The Royal Marsden Cancer Charity

A world-leading innovation centre who pioneers new treatments that save lives. Invest in a future beyond cancer. (Reg no: 1095197)

Imagine a future beyond cancer. At The Royal Marsden we’re dedicated to making this happen. We’re a world-leading innovation centre who pioneer new treatments that save lives. We use our research every day to provide the very best in diagnosis, treatment and care for our patients. The revolutionary way we treat people in our hospitals has far-reaching impact, nationally and internationally. This kind of pioneering work costs money. By supporting us, you are helping doctors provide the latest cancer treatments to more than 50,000 cancer patients and their families every year.

Selected overseas challenges...

Road cycling 6 days Road cycling
Paris to Geneva, Switzerland
| Sign up for £149
After watching the Tour de France finale live from Paris, cycle to Geneva, crossing the border with a tough TdF climb in the beautiful Jura Mountains.
Leisure cycling 5 days Leisure cycling
London, Amsterdam & Brussels, Belgium
| Sign up for £99
Join this European charity challenge extravaganza! Covering 270 miles in 4 days, taking in the rolling countryside of Essex, the plains of Holland & the sleepy lanes of Belgium.
Road cycling 10 days Road cycling
London to Geneva, Switzerland
| Sign up for £199
Cycle 640 miles from London to Geneva, with a free day in Paris in the middle. Also take on the popular Col de la Faucille and the Jura Mountains for a tough but exhilarating trip.
Road cycling 15 days Road cycling
London to Nice, France
| Sign up for £349
Take in all the beauty of the Alps, the famous cities, the French vineyards and English countryside on this once-in-a-lifetime challenge from London to Nice.
Road cycling 9 days Road cycling
Biarritz, France
| Sign up for £199
This extremely tough cycling challenge sees us biking the length of the Pyrenees from the Atlantic to the Mediterranean, taking on the famous Tour de France climbs in between!
Road cycling 6 days Road cycling
Paris to Geneva, Switzerland
| Sign up for £149
Cycle from one classic city to the other, Paris to Geneva, crossing the border with a tough Tour de France climb in the beautiful Jura Mountains.
Mountain biking 5 days Mountain biking
Hella, Iceland
| Sign up for £275
This tough biking challenge will take you through the rugged & stunning terrain of Iceland, leading you past volcanoes such as Mount Heckla, & the icecapped Katla on the Myrdallsjökull.
Road cycling 6 days Road cycling
Geneva to Nice, France
| Sign up for £149
Ride to the sun! This demanding yet spectacular cycle challenge takes us from lakeside Geneva south to the Mediterranean city of Nice, following part of the historic Route Napoleon.
Road cycling 11 days Road cycling
Cuzco, Peru
| Sign up for £399
From the legendary Machu Picchu to the lush vegetation of the Amazon rainforest, you will see some of the most stunning natural wonders of this world on this amazing cycle challenge.
Mountain biking 12 days Mountain biking
Hanoi, Vietnam
| Sign up for £395
This ride takes us through Vietnam, a country full of natural beauty and traditional village life. You will cover 450km, visiting some of the most amazing places the country has to offer.
Road cycling 6 days Road cycling
Nice to Carcassonne, France
| Sign up for £149
Cycle 80 -85 miles per day, through the picturesque south of France past vineyards, Roman towns and traditional villages.
Road cycling 5 days Road cycling
Alps, France
| Sign up for £149
Short but very challenging route through the heart of the French Alps, tackling tough climbs made famous by the Tour de France and finishing on the renowned Alpe D’Huez.
Road cycling 11 days Road cycling
Sao Paulo to Rio de Janeiro, Brazil
| Sign up for £499
We ride past fishing villages & hidden bays on undulating roads, with blue sea, sandy beaches, and mountain slopes covered in lush rainforest on this stunning cycle ride!
Mountain biking 10 days Mountain biking
Lusaka to Victoria Falls , Zambia
| Sign up for £399
This adventurous cycle takes us on & off-road finishing at the spectacular Victoria Falls, one of the largest waterfalls in the world & one of the seven natural wonders of the world!
Mountain biking 10 days Mountain biking
Mandalay to Inle lake, Myanmar
| Sign up for £499
Explore Burma’s beautiful landscapes, unique culture and magnificent temples on a six day challenge covering 350km through this secretive and beautiful land.
Road cycling 3 days Road cycling
London to Amsterdam, Netherlands
| Sign up for £99
This classic and picturesque cycling challenge takes you from London, through typical English countryside and a coastal route to Amsterdam, the bike capital of the world.
Road cycling 9 days Road cycling
Bordeaux to Barcelona, Spain
| Sign up for £325
The cycle from Bordeaux to Barcelona is a truly classic ride that takes you from France across the Pyrenees to Spain. With 13,303m of climbing to do, this is not for the faint-hearted.
Road cycling 6 days Road cycling
Venice to Rome, Italy
| Sign up for £149
Take on this diverse, challenging bike ride through beautiful Italy, cycling from the stunning city of Venice to the Italian capital of Rome, steeped in ancient history.
Road cycling 11 days Road cycling
Negombo, Sri Lanka
| Sign up for £299
We take a diverse and stunning route through the Indian Ocean island of Sri Lanka, renowned for its spectacular beaches, fascinating culture and natural beauty.
Leisure cycling 8 days Leisure cycling
Maasi, Masai Mara, Tanzania
| Sign up for £475
On this remarkable adventure you will be cycling in the incredible backdrop of Africa's largest mountain, Mount Kilimanjaro, across 350 kilometres of stunning African Savannah.
Mountain biking 12 days Mountain biking
Vietnam to Cambodia, Cambodia
| Sign up for £399
Cycle from Vietnam’s capital Ho Chi Minh City to the Royal Temples of Angkor Wat, Cambodia. Passing through rice-paddies and waterways as you go, this is truly a trip of a lifetime.
Road cycling 12 days Road cycling
Himalaya Region, India
| Sign up for £299
Cycle through the colourful, scenic landscape of Northern India & experience their fascinating culture, nature & history on this unique & unmissable cycling challenge!
Mountain biking 8 days Mountain biking
Grand Canyon to Las Vegas, United States (ex states)
| Sign up for £499
Cycle the iconic Route 66 and West Rim Road enjoying spectacular views of the Grand Canyon as you make your way to the entertainment capital of the world - Las Vegas.
Mountain biking 10 days Mountain biking
Rajasthan, India
| Sign up for £350
Visit the Taj Mahal, experience the hustle & bustle of Delhi & cycle through some of the most un-explored parts of this beautiful region of India.
Mountain biking 10 days Mountain biking
Pacific to Caribbean, Costa Rica
| Sign up for £399
The ultimate charity bike ride... pedal 500 kilometres from the Pacific to the Caribbean! Bike from the aquamarine waters of the ocean to the lush, tropical rainforest.
Mountain biking 10 days Mountain biking
Rajasthan, India
| Sign up for £299
Cycle through historic Rajasthan. Trip highlights include the Ramthambore National Park & the abandoned city of Fatehpur Sikri, before celebrating at the iconic Taj Mahal.
Road cycling 10 days Road cycling
Mandalay, Myanmar
| Sign up for £299
Burma, in South East Asia, is a diverse country full of jungles, mountains & paddy fields, almost untouched by tourism. Cycle Burma is the perfect way to explore this beautiful country by bike.
Leisure cycling 11 days Leisure cycling
Mekong Delta, Vietnam
| Sign up for £475
This challenge involves takes you cycling through villages, across waterways & past plantations, deep in the Vietnam's lush Mekong Delta, to the contrasting dry lands of ancient Cambodia.
Road cycling 11 days Road cycling
Vientiane, Laos
| Sign up for £299
Cycle through the beautiful Mekong Valley, see the stunning mountain scenery, and experience traditional local life in the friendly villages we pass on this unforgettable journey.
Leisure cycling 10 days Leisure cycling
Havana, Cuba
| Sign up for £475
Cycle past villages separated by colourful fruit orchards, sugar plantations & tree-lined avenues on this Cuban adventure from capital city Havana to Trinidad.
Mountain biking 11 days Mountain biking
Ho Chi Minh to Angkor Wat, Cambodia
| Sign up for £399
This fantastic cycle challenge will show us the un-spoilt Vietnam & Cambodia, passing lush paddy fields, beautiful rivers, rural villages & magnificent mountains as you pedal to Angkor Wat.
Mountain biking 11 days Mountain biking
Panama City, Panama
| Sign up for £399
Cycling through 3 Central American countries, take in the stunning Caribbean coastal scenery, pass smoking volcanoes & climb though dense rainforest. This is an adventure you'll never forget!
Mountain biking 11 days Mountain biking
Ho Chi Minh to Angkor Wat, Cambodia
| Sign up for £399
This fantastic cycle challenge will show us the un-spoilt Vietnam & Cambodia, passing lush paddy fields, beautiful rivers, rural villages & magnificent mountains as you pedal to Angkor Wat.
Leisure cycling 9 days Leisure cycling
Cambodia to Thailand, Thailand
| Sign up for £375
Starting at the astonishing UNESCO World Heritage site Angkor Wat, pedal from the depths of Cambodia into Thailand, passing countless temples & colourful Pagoda's on your way.
Leisure cycling 11 days Leisure cycling
Vietnam to Cambodia, Cambodia
| Sign up for £475
This challenge involves takes you cycling through villages, across waterways & past plantations, deep in the Vietnam's lush Mekong Delta, to the contrasting dry lands of ancient Cambodia.
Leisure cycling 11 days Leisure cycling
Vietnam to Cambodia, Cambodia
| Sign up for £425
This challenge involves takes you cycling through villages, across waterways & past plantations, deep in the Vietnam's lush Mekong Delta, to the contrasting dry lands of ancient Cambodia.
Mountain biking 12 days Mountain biking
Vietnam to Cambodia, Cambodia
| Sign up for £399
Ride from Vietnam’s capital Saigon (now Ho Chi Minh City) through the heart of the Mekong Delta to Cambodia and the famed temple complex of Angkor Wat.
Leisure cycling 9 days Leisure cycling
Cambodia to Thailand, Thailand
| Sign up for £375
Starting at the astonishing UNESCO World Heritage site Angkor Wat, pedal from the depths of Cambodia into Thailand, passing countless temples & colourful Pagoda's on your way.
Mountain biking 10 days Mountain biking
Rajasthan, India
| Sign up for £365
Visit the Taj Mahal, experience the hustle & bustle of Delhi & cycle through some of the most un-explored parts of this beautiful region of India.
Leisure cycling 11 days Leisure cycling
Vietnam to Cambodia, Cambodia
| Sign up for £425
This challenge involves takes you cycling through villages, across waterways & past plantations, deep in the Vietnam's lush Mekong Delta, to the contrasting dry lands of ancient Cambodia.
Mountain biking 10 days Mountain biking
Rasjasthan, India
| Sign up for £349
Cycle through historic Rajasthan. Trip highlights include the Ramthambore National Park & the abandoned city of Fatehpur Sikri, before celebrating at the iconic Taj Mahal.
Road cycling 12 days Road cycling
Himalaya Region, India
| Sign up for £349
Cycle through the colourful, scenic landscape of Northern India & experience their fascinating culture, nature & history on this unique & unmissable cycling challenge!
Mountain biking 11 days Mountain biking
Saigon to Angkor Wat, Cambodia
| Sign up for £399
This fantastic cycle challenge will show us the un-spoilt Vietnam & Cambodia, passing lush paddy fields, beautiful rivers, rural villages & magnificent mountains as you pedal to Angkor Wat.
Road cycling 10 days Road cycling
Mandalay, Myanmar
| Sign up for £299
Burma, in South East Asia, is a diverse country full of jungles, mountains & paddy fields, almost untouched by tourism. Cycle Burma is the perfect way to explore this beautiful country by bike.
Mountain biking 8 days Mountain biking
Grand Canyon to Las Vegas, United States (ex states)
| Sign up for £499
Cycle the iconic Route 66 and West Rim Road enjoying spectacular views of the Grand Canyon as you make your way to the entertainment capital of the world - Las Vegas.
Road cycling 11 days Road cycling
Negombo, Sri Lanka
| Sign up for £299
We take a stunning and diverse route through the Indian Ocean island of Sri Lanka, renowned for its spectacular beaches, fascinating culture and natural beauty.
Road cycling 11 days Road cycling
Cuzco, Peru
| Sign up for £449
From the legendary Machu Picchu to the lush vegetation of the Amazon rainforest, you will see some of the most stunning natural wonders of this world on this amazing cycle challenge.
Road cycling 6 days Road cycling
Venice to Rome, Italy
| Sign up for £149
Take on this diverse, challenging bike ride through beautiful Italy, cycling from the stunning city of Venice to the Italian capital of Rome, steeped in ancient history.
Road cycling 11 days Road cycling
Sao Paulo to Rio de Janeiro, Brazil
| Sign up for £499
We ride past fishing villages & hidden bays on undulating roads, with blue sea, sandy beaches, and mountain slopes covered in lush rainforest on this stunning cycle ride!
Leisure cycling 5 days Leisure cycling
London, Amsterdam & Brussels, Belgium
| Sign up for £99
Join this European charity challenge extravaganza! Covering 270 miles in 4 days, taking in the rolling countryside of Essex, the plains of Holland & the sleepy lanes of Belgium.
Road cycling 3 days Road cycling
London to Amsterdam, Netherlands
| Sign up for £99
This classic and picturesque cycling challenge takes you from London, through typical English countryside and a coastal route to Amsterdam, the bike capital of the world.
Mountain biking 10 days Mountain biking
Lusaka to Victoria Falls , Zambia
| Sign up for £399
This adventurous cycle takes us on & off-road finishing at the spectacular Victoria Falls, one of the largest waterfalls in the world & one of the seven natural wonders of the world!
Road cycling 6 days Road cycling
Nice to Carcassonne, France
| Sign up for £149
Cycle from Nice to Carcassonne, through the picturesque south of France past vineyards, Roman towns and traditional villages.
Road cycling 6 days Road cycling
Paris to Geneva, Switzerland
| Sign up for £149
After watching the Tour de France finale live from Paris, cycle to Geneva, crossing the border with a tough TdF climb in the beautiful Jura Mountains.
Road cycling 6 days Road cycling
Paris to Geneva, Switzerland
| Sign up for £149
Watch the Tour de France live in Paris before taking on the same mountains in this classic cycle between 2 cities, with a fabulous Tour de France climb in the beautiful Jura Mountains.
Road cycling 6 days Road cycling
Geneva to Nice, France
| Sign up for £149
Ride to the sun! This demanding yet spectacular cycle challenge takes us from lakeside Geneva south to the Mediterranean city of Nice, following part of the historic Route Napoleon.
Leisure cycling 5 days Leisure cycling
London, Amsterdam & Brussels, Belgium
| Sign up for £99
Join this European charity challenge extravaganza! Covering 270 miles in 4 days, taking in the rolling countryside of Essex, the plains of Holland & the sleepy lanes of Belgium.
Road cycling 9 days Road cycling
Biarritz, France
| Sign up for £199
This extremely tough cycling challenge sees us biking the length of the Pyrenees from the Atlantic to the Mediterranean, taking on the famous Tour de France climbs in between!
Road cycling 6 days Road cycling
Paris to Geneva, Switzerland
| Sign up for £149
Cycle from one classic city to the other, Paris to Geneva, crossing the border with a tough Tour de France climb in the beautiful Jura Mountains.
Road cycling 6 days Road cycling
Geneva to Nice, France
| Sign up for £149
Ride to the sun! This demanding yet spectacular cycle challenge takes us from lakeside Geneva south to the Mediterranean city of Nice, following part of the historic Route Napoleon.
Road cycling 11 days Road cycling
Cuzco, Peru
| Sign up for £449
From the legendary Machu Picchu to the lush vegetation of the Amazon rainforest, you will see some of the most stunning natural wonders of this world on this amazing cycle challenge.
Road cycling 6 days Road cycling
Nice to Carcassonne, France
| Sign up for £149
Cycle 80 -85 miles per day, through the picturesque south of France past vineyards, Roman towns and traditional villages.
Road cycling 11 days Road cycling
Sao Paulo to Rio de Janeiro, Brazil
| Sign up for £499
We ride past fishing villages & hidden bays on undulating roads, with blue sea, sandy beaches, and mountain slopes covered in lush rainforest on this stunning cycle ride!
Mountain biking 10 days Mountain biking
Lusaka to Victoria Falls , Zambia
| Sign up for £399
This adventurous cycle takes us on & off-road finishing at the spectacular Victoria Falls, one of the largest waterfalls in the world & one of the seven natural wonders of the world!
Leisure cycling 5 days Leisure cycling
Milan to Monaco, Monaco
| Sign up for £99
A tough 240 mile cycle from the splendour of Milan, taking in breathtaking mountain climbs and stunning coastal vistas, all the way to the magnificence of Monaco.
Road cycling 3 days Road cycling
London to Amsterdam, Netherlands
| Sign up for £99
This classic and picturesque cycling challenge takes you from London, through typical English countryside and a coastal route to Amsterdam, the bike capital of the world.
Road cycling 6 days Road cycling
Venice to Rome, Italy
| Sign up for £149
Take on this diverse, challenging bike ride through beautiful Italy, cycling from the stunning city of Venice to the Italian capital of Rome, steeped in ancient history.
Road cycling 11 days Road cycling
Negombo, Sri Lanka
| Sign up for £299
We take a diverse and stunning route through the Indian Ocean island of Sri Lanka, renowned for its spectacular beaches, fascinating culture and natural beauty.
Leisure cycling 8 days Leisure cycling
Maasi, Masai Mara, Tanzania
| Sign up for £475
On this remarkable adventure you will be cycling in the incredible backdrop of Africa's largest mountain, Mount Kilimanjaro, across 350 kilometres of stunning African Savannah.
Mountain biking 12 days Mountain biking
Vietnam to Cambodia, Cambodia
| Sign up for £399
Cycle from Vietnam’s capital Ho Chi Minh City to the Royal Temples of Angkor Wat, Cambodia. Passing through rice-paddies and waterways as you go, this is truly a trip of a lifetime.
Leisure cycling 9 days Leisure cycling
Cambodia to Thailand, Thailand
| Sign up for £375
Starting at the astonishing UNESCO World Heritage site Angkor Wat, pedal from the depths of Cambodia into Thailand, passing countless temples & colourful Pagoda's on your way.
Road cycling 12 days Road cycling
Himalaya Region, India
| Sign up for £349
Cycle through the colourful, scenic landscape of Northern India & experience their fascinating culture, nature & history on this unique & unmissable cycling challenge!
Mountain biking 8 days Mountain biking
Grand Canyon to Las Vegas, United States (ex states)
| Sign up for £499
Cycle the iconic Route 66 and West Rim Road enjoying spectacular views of the Grand Canyon as you make your way to the entertainment capital of the world - Las Vegas.
Leisure cycling 11 days Leisure cycling
Vietnam to Cambodia, Cambodia
| Sign up for £425
This challenge involves takes you cycling through villages, across waterways & past plantations, deep in the Vietnam's lush Mekong Delta, to the contrasting dry lands of ancient Cambodia.
Mountain biking 10 days Mountain biking
Rajasthan, India
| Sign up for £349
Cycle through historic Rajasthan. Trip highlights include the Ramthambore National Park & the abandoned city of Fatehpur Sikri, before celebrating at the iconic Taj Mahal.
Mountain biking 10 days Mountain biking
Pacific to Caribbean, Costa Rica
| Sign up for £399
The ultimate charity bike ride... pedal 500 kilometres from the Pacific to the Caribbean! Bike from the aquamarine waters of the ocean to the lush, tropical rainforest.
Road cycling 10 days Road cycling
Mandalay, Myanmar
| Sign up for £299
Burma, in South East Asia, is a diverse country full of jungles, mountains & paddy fields, almost untouched by tourism. Cycle Burma is the perfect way to explore this beautiful country by bike.
Leisure cycling 11 days Leisure cycling
Vietnam to Cambodia, Cambodia
| Sign up for £425
This challenge involves takes you cycling through villages, across waterways & past plantations, deep in the Vietnam's lush Mekong Delta, to the contrasting dry lands of ancient Cambodia.
Mountain biking 11 days Mountain biking
Saigon to Angkor Wat, Cambodia
| Sign up for £399
This fantastic cycle challenge will show us the un-spoilt Vietnam & Cambodia, passing lush paddy fields, beautiful rivers, rural villages & magnificent mountains as you pedal to Angkor Wat.
Mountain biking 11 days Mountain biking
Saigon to Angkor Wat, Cambodia
| Sign up for £399
This fantastic cycle challenge will show us the un-spoilt Vietnam & Cambodia, passing lush paddy fields, beautiful rivers, rural villages & magnificent mountains as you pedal to Angkor Wat.
Leisure cycling 9 days Leisure cycling
Cambodia to Thailand, Thailand
| Sign up for £375
Starting at the astonishing UNESCO World Heritage site Angkor Wat, pedal from the depths of Cambodia into Thailand, passing countless temples & colourful Pagoda's on your way.
Mountain biking 10 days Mountain biking
Rajasthan, India
| Sign up for £365
Visit the Taj Mahal, experience the hustle & bustle of Delhi & cycle through some of the most un-explored parts of this beautiful region of India.

Search challenges

Recent newsletters
29 May
Overseas treks

The best treks from around the world, plus activity trips in Europe.

22 May
Fun runs to marathons

How to make running fun!

15 May
Going the distance

The ultra and endurance issue - walks, runs, rides, open water swimming and more.

08 May
Cycling for all

The summer's best rides - and a feature on Global Cycle to Work Day on May 10th.

01 May
May Day inspiration

Challenges and events for all activities as the month starts with a Bank Holiday weekend.

Advertisement

Advertisement

Let's socialise