GOSH charity places
Take on one of these events to help seriously ill children get life-changing treatments.

- Sat 2 Aug
- £20 + £375 fundraising
- Entries close soon
South West Coast 50 Ultra Challenge | Full 50km
Great Ormond Street Hospital Children's Charity
The 50km ultra option from Dunster Castle, along the South West Coastal Path to a picnic in Exmoor National Park with awesome views over the Bristol Channel to finish back at Minehead with a medal!
- Entries close soon
- 50 km trail running + 1600 m ascent

- Sat 2 Aug
- £15 + £275 fundraising
- Entries close soon
South West Coast 50 Ultra Challenge | 1st Half
Great Ormond Street Hospital Children's Charity
Starting from Dunster Castle it’s down to the coast to pick up the official start of the South West Coastal path in Minehead and head west with ups and downs towards Porlock, with fantastic views!
- Entries close soon
- 25 km trail running + 600 m ascent

- Sat 2 Aug
- £15 + £275 fundraising
- Entries close soon
South West Coast 50 Ultra Challenge | 25km Loop
Great Ormond Street Hospital Children's Charity
From the iconic Dunster Castle to the coast, along the South West Coast path with fantastic views over the Bristol Channel, then into Exmoor National Park to the finish line for your medal!
- Entries close soon
- 25 km trail running + 600 m ascent

- Sat 2 Aug
- £15 + £275 fundraising
- Entries close soon
South West Coast 50 Ultra Challenge | 2nd Half
Great Ormond Street Hospital Children's Charity
Starting in Porlock, it’s a truly magnificent route into Exmoor National Park and a climb up to Dunkery Beacon, down and back towards Minehead to the welcome finish line at Dunster basecamp.
- Entries close soon
- 25 km trail running + 1000 m ascent

- Sat 2 Aug
- £10 + £100 fundraising
- Entries close soon
The Dunster 10K
Great Ormond Street Hospital Children's Charity
This fantastic trail route explores stunning views of Dunster Castle, ancient hill forts and wonderful trails through the estate woodlands and hills with magnificent views at the top and great medal!
- Entries close soon
- 10 km trail running + 300 m ascent

- Sat 23 Aug
- £20 + £375 fundraising
London Summer Walk | Marathon
Great Ormond Street Hospital Children's Charity
Get your walking shoes on and explore some of the capital’s less-known historic areas and along the Thames’s eastern section to finish with a big cheer, medal, glass of fizz, t-shirt and BBQ!
- 42 km walking

- Sat 23 Aug
- £15 + £275 fundraising
London Summer Walk | 25km
Great Ormond Street Hospital Children's Charity
Get your walking shoes on and explore some of the capital’s less-known historic areas and along the Thames’s eastern section to finish with a big cheer, glass of fizz, t-shirt and BBQ meal!
- 25 km walking

- Sat 23 Aug
- £10 + £150 fundraising
London Summer Walk | 10km
Great Ormond Street Hospital Children's Charity
Get your walking shoes on and explore some of the capital’s River Thames to the Thames Barrier, through Maryon Wilson Animal Park and Charlton Park to finish a big cheer, medal, fizz and a t-shirt!
- 10 km walking

- Sat 6 - Sun 7 Sep
- £25 + £575 fundraising
South Coast Ultra Challenge | Full 100km continuous
Great Ormond Street Hospital Children's Charity
The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.
- 100 km trail running + 2100 m ascent

- Sat 6 - Sun 7 Sep
- £25 + £575 fundraising
South Coast Ultra Challenge | Full 100km over 2 days
Great Ormond Street Hospital Children's Charity
The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
- 100 km trail running + 2100 m ascent

- Sat 6 Sep
- £20 + £375 fundraising
South Coast Ultra Challenge | 1st Half
Great Ormond Street Hospital Children's Charity
The first half option of the South Coast Challenge from Eastbourne to the coastline, over the Seven Sisters to Cuckemere Haven, over the South Downs to finish via Brighton's promenade.
- 57 km trail running + 1250 m ascent

- Sat 6 Sep
- £15 + £275 fundraising
South Coast Ultra Challenge | 1st Quarter
Great Ormond Street Hospital Children's Charity
The first quarter option of the South Coast Ultra Challenge from Eastbourne to the coastline, over the Seven Sisters to Cuckmere Haven, over the South Downs to finish at Alfriston for a celebration!
- 25 km trail running + 660 m ascent

- Sat 6 - Sun 7 Sep
- £20 + £375 fundraising
South Coast Ultra Challenge | 2nd Half
Great Ormond Street Hospital Children's Charity
The second half option of the South Coast Ultra Challenge is a scenic ‘marathon plus’ adventure across the South Downs towards Arundel with wonderful coastal views and a celebratory finish!
- 43 km trail running + 850 m ascent

- Fri 12 Sep
- £10 + £150 fundraising
Thames Moonlight 10 Mile
Great Ormond Street Hospital Children's Charity
Kicking off the famous Thames Path Challenge weekend, experience London in a different light, passing famous landmarks including St Paul’s, Westminster Abbey, Tower Bridge, the London Eye and more!
- 10 miles walking

- Fri 12 Sep
- £10 + £150 fundraising
Thames Moonlight 10km
Great Ormond Street Hospital Children's Charity
Kicking off the famous Thames Path Challenge weekend, experience London in a different light, passing famous landmarks including St Paul’s, Westminster Abbey, Somerset House and more!
- 10 km walking

- Sat 13 - Sun 14 Sep
- £25 + £575 fundraising
Thames Path Ultra Challenge | Full 100km Continuous
Great Ormond Street Hospital Children's Charity
The full, non-stop option of the epic Thames Path Challenge from leafy South West London following the river to Hampton Court, Runnymede to finish at Henley-on-Thames for a celebratory finish and BBQ!
- 100 km trail running + 350 m ascent

- Sat 13 - Sun 14 Sep
- £25 + £575 fundraising
Thames Path Ultra Challenge | Full 100km over 2 days
Great Ormond Street Hospital Children's Charity
An epic challenge from leafy South West London on the River Thames featuring Hampton Court, Runnymede of Magna Carta Fame, Henley-on-Thames and a fabulous celebration finish - all in daylight.
- 100 km trail running + 350 m ascent

- Sat 13 Sep
- £20 + £375 fundraising
Thames Path Ultra Challenge | 1st Half
Great Ormond Street Hospital Children's Charity
The first half option of the Thames Path Challenge from leafy South West London on the River Thames along the river to Hampton Court to finish at Runnymede for a big celebration finish and hot meal!
- 50 km trail running + 200 m ascent

- Sat 13 Sep
- £15 + £275 fundraising
Thames Path Ultra Challenge | 1st Quarter
Great Ormond Street Hospital Children's Charity
Start this epic challenge in leafy South West London on the River Thames. This route follows the meandering waterway to Hampton Court for a big celebration finish and picnic!
- 28 km trail running + 20 m ascent

- Sat 13 Sep
- £22.50 + £475 fundraising
Thames Path Ultra Challenge | 3/4 Challenge
Great Ormond Street Hospital Children's Charity
Start this epic 3/4 distance of the Thames Path Challenge near Hampton Court and follow the meandering waterway to Runnymede for a big celebration finish and hot meal at Henley on Thames.
- 72 km trail running + 60 m ascent

- Sat 13 Sep
- £15 + £275 fundraising
Thames Bridges Trek 25km
Great Ormond Street Hospital Children's Charity
Join 2500 walkers and trek 25km across the capital with unrivalled views of the skyline and landmarks as you zig-zag over 16 historic bridges to a party-style finish line celebration!
- 25 km walking

- Sat 13 - Sun 14 Sep
- £20 + £375 fundraising
Thames Path Ultra Challenge | 2nd Half
Great Ormond Street Hospital Children's Charity
The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ!
- 50 km trail running + 150 m ascent

- Sat 13 Sep
- £10 + £150 fundraising
Thames Bridges Trek 10km
Great Ormond Street Hospital Children's Charity
From the Oval Cricket Ground, 100s of walkers will cross many of the capital's historic bridges for some of the best vantage points over the London skyline and famous landmarks, with a celebration!
- 10 km walking

- Sat 13 Sep
- £15 + £275 fundraising
Thames Path Ultra Challenge | 2nd Quarter
Great Ormond Street Hospital Children's Charity
The second quarter event of the Thames Path Challenge takes a route from near Hampton Court and follows the meandering waterway to Runnymede of Magna Carta Fame, for a celebratory finish and hot meal!
- 22 km trail running + 20 m ascent

- Sat 13 - Sun 14 Sep
- £15 + £275 fundraising
Thames Path Ultra Challenge | 3rd Quarter
Great Ormond Street Hospital Children's Charity
The epic third quarter option of the Thames Path Challenge starts from Runnymede of Magna Carta Fame following the meandering waterway to finish at Cookham to finish with a celebration and fizz at the
- 28 km trail running + 20 m ascent

- Sun 14 Sep
- £55 + £150 fundraising
London to Brighton Cycle Ride
Great Ormond Street Hospital Children's Charity
Britain's best-known one-day cycle route! Wake up in London, get on your bike and end up on Brighton's pebbly beach plus conquer the mile-long climb of Ditchling Beacon on route.
- Charity bike ride

- Wed 17 Sep
- £15 + £275 fundraising
Thames Path Ultra Challenge | 4th Quarter
Great Ormond Street Hospital Children's Charity
The epic fourth quarter option of the Thames Path Challenge starts in gorgeous Cookham and follows the meandering waterway to Henley-on-Thames, home of the regatta, to a fabulous celebration finish!
- 22 km trail running + 10 m ascent

- Sat 27 Sep
- £20 + £375 fundraising
Chiltern 50 Ultra Challenge | Full 50km
Great Ormond Street Hospital Children's Charity
The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!
- 50 km trail running + 920 m ascent

- Sat 27 Sep
- £15 + £275 fundraising
Chiltern 50 Ultra Challenge | Henley 25km Loop
Great Ormond Street Hospital Children's Charity
An exciting 25km loop as part of the Chiltern 50 Ultra Challenge from Henley Showground past the River Thames, Greys Court and the pretty Hambleden Village to a celebratory finish!
- 25 km trail running + 500 m ascent

- Sat 27 Sep
- £10 + £100 fundraising
The Chiltern 10K
Great Ormond Street Hospital Children's Charity
A beautiful 10km loop from the basecamp at Henley Showground exploring public footpaths and wonderful woodlands within the Culden Faw estate to be rewarded with a medal and glass of fizz!
- 10 km trail running + 235 m ascent

- Sat 11 Oct
- £20 + £375 fundraising
Kent Downs 50 Ultra Challenge | 50km
Great Ormond Street Hospital Children's Charity
Set in an Area of Outstanding Natural Beauty offering dramatic views, vibrant communities, a rich historic heritage, and diverse wildlife and habitats – featuring the North Downs Way National Trail.
- 50 km trail running + 1000 m ascent

- Sat 11 Oct
- £15 + £275 fundraising
Kent Downs 50 Ultra Challenge | 25km
Great Ormond Street Hospital Children's Charity
The 25km loop sits within the 50km loop and splits off at the picturesque village of Aylesford - one of the River Medway’s hidden jewels heading east on Augustine Camino to Detling via Boxley.
- 25 km trail running + 450 m ascent

- Sat 11 Oct
- £10 + £100 fundraising
Kent Downs 50 Ultra Challenge | Maidstone 10K
Great Ormond Street Hospital Children's Charity
The 10km loop sits within the 50km and 25km events and splits off at the Pilgrim Way returning to Detling via Boxley and back to the Kent Showground. You’ll be rewarded with a medal and glass of fizz!
- 10 km trail running + 180 m ascent

- Sun 15 Mar 2026
- £25 + £300 fundraising
Hampton Court Palace Half Marathon
Great Ormond Street Hospital Children's Charity
Experience an unforgettable half marathon through the regal grounds of Hampton Court Palace.
- Half marathon

- Sun 15 Mar 2026
- £25 + £250 fundraising
GetPRO Bath Half
Great Ormond Street Hospital Children's Charity
Run through traffic-free streets in the heart of Bath and experience the electric atmosphere on the course through the UK's only World Heritage City!
- Half marathon

- Sun 12 Apr 2026
- £40 + £750 fundraising
Schneider Electric Paris Marathon
Great Ormond Street Hospital Children's Charity
One of the largest marathons on the planet over a flat course in one of the world's most iconic cities, the Paris Marathon boasts an incomparable backdrop.
- Marathon

- Sun 12 Apr 2026
- £30 + £500 fundraising
Brighton Marathon
Great Ormond Street Hospital Children's Charity
The UK's third largest marathon, boasting a new and beautiful seaside course with superb local support, making it a truly sensational running experience.
- 26.2 miles road running + 447 ft ascent

- Sun 19 Apr 2026
- £30 + £450 fundraising
adidas Manchester Marathon
Great Ormond Street Hospital Children's Charity
Experience the UK’s friendliest and flattest major marathon with huge crowd support on a route with PB potential plus chunky medals and relay options.
- Marathon