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100K ultra runs in Europe

Find 100k ultra runs near me in Europe for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.

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This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.
  • Sat 26 Apr
  • £84.50
  • Sat 26 Apr
  • £84.50
Prestatyn, Clwyd, UK

North Wales 100K

This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.

  • Chip timing
  • Enter online
  • GPS tracking
  • Age 18 & over
  • 100 km trail running
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.
  • Sat 3 May
  • £199
  • Sat 3 May
  • £199
Ventnor, Isle of Wight, UK

Isle of Wight Ultra Challenge | Full Continuous

Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Hilly
  • Age 18 & over
  • 106 km multi terrain running + 1800 m ascent
The full 106km circumnavigation of the Isle of Wight, in daylight hours. Overnight at Cowes for a well-earned rest on this wonderful exploration of the coastal routes around the island.
  • Sat 3 - Sun 4 May
  • £199
  • Sat 3 - Sun 4 May
  • £199
Ventnor, Isle of Wight, UK

Isle of Wight Ultra Challenge | Full 2 Day Daylight

The full 106km circumnavigation of the Isle of Wight, in daylight hours. Overnight at Cowes for a well-earned rest on this wonderful exploration of the coastal routes around the island.

  • Chip timing
  • Enter online
  • Undulating
  • Hilly
  • Age 18 & over
  • 106 km multi terrain running + 1960 m ascent
Get ready for the challenge of a lifetime at the Mallory Park 100K race! A unique and thrilling chance to race on the same legendary motor racing circuit that once hosted a Formula 1 event!
  • Sat 3 May
  • £75-£77
  • Sat 3 May
  • £75-£77
Kirkby Mallory, Leicestershire, UK

ATW Mallory Race Circuit 100K

Get ready for the challenge of a lifetime at the Mallory Park 100K race! A unique and thrilling chance to race on the same legendary motor racing circuit that once hosted a Formula 1 event!

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 100 km multi terrain running
A demanding challenge, taking on 100km along the UNESCO World Heritage Jurassic Coast, starting from Corfe Castle on a fully-supported challenge visiting the highlights of the region.
  • Sat 17 - Sun 18 May
  • £199
  • Sat 17 - Sun 18 May
  • £199
Wareham, Dorset, UK

Jurassic Coast Ultra Challenge | Full 100km continuous

A demanding challenge, taking on 100km along the UNESCO World Heritage Jurassic Coast, starting from Corfe Castle on a fully-supported challenge visiting the highlights of the region.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2300 m ascent
Walk, jog or run along the spectacular UNESCO World Heritage coastline from Corfe Castle past Lulworth Cove and Durdle Door, with full support, welcoming base camp and finish line celebration!
  • Sat 17 - Sun 18 May
  • £199
  • Sat 17 - Sun 18 May
  • £199
Wareham, Dorset, UK

Jurassic Coast Ultra Challenge | Full 100km over 2 days

Walk, jog or run along the spectacular UNESCO World Heritage coastline from Corfe Castle past Lulworth Cove and Durdle Door, with full support, welcoming base camp and finish line celebration!

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2300 m ascent
Entries close today
Leafy Richmond to sunny Brighton – over the North Downs and the South Downs, with some wonderful Surrey and Sussex countryside in between, fully supported all the way with a huge celebratory finish!
  • Sat 24 May
  • £199
  • Entries close today
  • Sat 24 May
  • £199
  • Entries close today
Richmond, UK

London 2 Brighton Ultra Challenge | Full 100km Continuous

Leafy Richmond to sunny Brighton – over the North Downs and the South Downs, with some wonderful Surrey and Sussex countryside in between, fully supported all the way with a huge celebratory finish!

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 1500 m ascent
Entries close today
Leafy Richmond to sunny Brighton, over the North and South Downs, with some wonderful Surrey and Sussex countryside - all in daylight hours and with a good nights' sleep mid-way!
  • Sat 24 - Sun 25 May
  • £199
  • Entries close today
  • Sat 24 - Sun 25 May
  • £199
  • Entries close today
Richmond, UK

London 2 Brighton Ultra Challenge | Full 100km over 2 days

Leafy Richmond to sunny Brighton, over the North and South Downs, with some wonderful Surrey and Sussex countryside - all in daylight hours and with a good nights' sleep mid-way!

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Hilly
  • Age 18 & over
  • 100 km trail running + 1500 m ascent
Entries close soon
100km of trails, high passes, stunning scenery, Ambleside, the magnificent Lake Windermere, nature reserves, forests and over 2,500m of ascent. Fully supported all the way with a celebratory finale!
  • Sun 1 - Sun 8 Jun
  • £199
  • Entries close soon
  • Sun 1 - Sun 8 Jun
  • £199
  • Entries close soon
Kendal, Cumbria, UK

Lake District Ultra Challenge | Full 100km continuous

100km of trails, high passes, stunning scenery, Ambleside, the magnificent Lake Windermere, nature reserves, forests and over 2,500m of ascent. Fully supported all the way with a celebratory finale!

  • Chip timing
  • Enter online
  • GPS tracking
  • Mountainous
  • Age 18 & over
  • 100 km trail running + 2500 m ascent
Entries close soon
100km of trails, high passes, stunning scenery, Ambleside, the magnificent Lake Windermere, nature reserves, forests and over 2,500m of ascent. Fully supported with a good night's sleep mid-way.
  • Sat 7 - Sun 8 Jun
  • £199
  • Entries close soon
  • Sat 7 - Sun 8 Jun
  • £199
  • Entries close soon
Kendal, Cumbria, UK

Lake District Ultra Challenge | Full 100km over 2 days

100km of trails, high passes, stunning scenery, Ambleside, the magnificent Lake Windermere, nature reserves, forests and over 2,500m of ascent. Fully supported with a good night's sleep mid-way.

  • Chip timing
  • Enter online
  • GPS tracking
  • Mountainous
  • Age 18 & over
  • 100 km trail running + 2500 m ascent
Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.
  • Sat 21 Jun
  • £170-£180
  • 4 charities
  • Sat 21 Jun
  • £170-£180
  • 4 charities
Chichester, West Sussex, UK

Race to the King | 100K

Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 4619 ft ascent
Head into the rolling green hills of the Cotswolds with leg-testing climbs and breathtaking views on your 100km mission, with stops every 12-13km and a halfway break in Wotton, you're fully supported.
  • Sat 21 - Sun 22 Jun
  • £199
  • 16 charities
  • Sat 21 - Sun 22 Jun
  • £199
  • 16 charities
Cirencester, Gloucestershire, UK

Cotswold Way Ultra Challenge | Full 100km continuous

Head into the rolling green hills of the Cotswolds with leg-testing climbs and breathtaking views on your 100km mission, with stops every 12-13km and a halfway break in Wotton, you're fully supported.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2250 m ascent
Head into the rolling green hills of the Cotswolds with leg-testing climbs and breathtaking views on your 100km mission in daylight only with the benefit of a mid-way break and good night's sleep.
  • Sat 21 - Sun 22 Jun
  • £199
  • 16 charities
  • Sat 21 - Sun 22 Jun
  • £199
  • 16 charities
Cirencester, Gloucestershire, UK

Cotswold Way Ultra Challenge | Full 100km over 2 days

Head into the rolling green hills of the Cotswolds with leg-testing climbs and breathtaking views on your 100km mission in daylight only with the benefit of a mid-way break and good night's sleep.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2250 m ascent
Take on the full 100km in a figure-of-eight route through the north and south of the Peak District with stops every 12-13km and whatever support you need to get you to the finish line celebration!
  • Sat 28 - Sun 29 Jun
  • £199
  • 16 charities
  • Sat 28 - Sun 29 Jun
  • £199
  • 16 charities
Bakewell, Derbyshire, UK

Peak District Ultra Challenge | Full 100km continuous

Take on the full 100km in a figure-of-eight route through the north and south of the Peak District with stops every 12-13km and whatever support you need to get you to the finish line celebration!

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 2150 m ascent
Take on the full 100km in a figure-of-eight route through the north and south of the Peak District in daylight with a good night's rest and full support to get you to the finish line celebration!
  • Sat 28 - Sun 29 Jun
  • £199
  • 16 charities
  • Sat 28 - Sun 29 Jun
  • £199
  • 16 charities
Bakewell, Derbyshire, UK

Peak District Ultra Challenge | Full 100km over 2 days

Take on the full 100km in a figure-of-eight route through the north and south of the Peak District in daylight with a good night's rest and full support to get you to the finish line celebration!

  • Chip timing
  • Enter online
  • Undulating
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2150 m ascent
Take on the full 100K ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route to finish at the 5000-year-old Avebury standing stones.
  • Sat 12 Jul
  • £180-£190
  • 8 charities
  • Sat 12 Jul
  • £180-£190
  • 8 charities
Watlington, Oxfordshire, UK

Race to the Stones | 100K Non-stop

Take on the full 100K ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route to finish at the 5000-year-old Avebury standing stones.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 3704 ft ascent
Take on the full 100K Race to the Stones ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.
  • Sat 12 Jul
  • £260-£270
  • 6 charities
  • Sat 12 Jul
  • £260-£270
  • 6 charities
Watlington, Oxfordshire, UK

Race to the Stones | 100K Two Days with camping

Take on the full 100K Race to the Stones ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 3704 ft ascent
Take on the full Race to the Stones 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point (ideal if you'd prefer not to camp).
  • Sat 12 Jul
  • £170-£180
  • Sat 12 Jul
  • £170-£180
Watlington, Oxfordshire, UK

Race to the Stones | 100K Two Days no camping

Take on the full Race to the Stones 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point (ideal if you'd prefer not to camp).

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 3704 ft ascent
Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.
  • Sat 12 - Sun 13 Jul
  • £121.99-£251.99
  • Sat 12 - Sun 13 Jul
  • £121.99-£251.99
Caernarfon, Gwynedd, UK

Black Diamond Yr Wyddfa Snowdon24

Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.

  • Chip timing
  • Enter online
  • Mountainous
  • Relay
  • Age 18 & over
  • 24 hrs trail running
A magnificent challenge from Penrice Castle featuring a figure-of-eight route, Oxwich Bay, the stunning Wales Coast Path, the Gower Way, Mumbles Head, Gowerton and a massive welcome celebration too!
  • Sat 19 - Sun 20 Jul
  • £199
  • 7 charities
  • Sat 19 - Sun 20 Jul
  • £199
  • 7 charities
Swansea, West Glamorgan, UK

Gower Peninsula Ultra Challenge | Full Continuous 100K

A magnificent challenge from Penrice Castle featuring a figure-of-eight route, Oxwich Bay, the stunning Wales Coast Path, the Gower Way, Mumbles Head, Gowerton and a massive welcome celebration too!

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km multi terrain running + 2200 m ascent
A magnificent challenge from Penrice Castle featuring a figure-of-eight route, Oxwich Bay, the stunning Wales Coast Path, the Gower Way, Mumbles Head, Gowerton with a good night's sleep mid-way.
  • Sat 19 - Sun 20 Jul
  • £199
  • 7 charities
  • Sat 19 - Sun 20 Jul
  • £199
  • 7 charities
Swansea, West Glamorgan, UK

Gower Peninsula Ultra Challenge | Full 2 Day Daylight 100K

A magnificent challenge from Penrice Castle featuring a figure-of-eight route, Oxwich Bay, the stunning Wales Coast Path, the Gower Way, Mumbles Head, Gowerton with a good night's sleep mid-way.

  • Chip timing
  • Enter online
  • Hilly
  • Age 18 & over
  • 100 km multi terrain running + 2200 m ascent
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.
  • Sat 6 - Sun 7 Sep
  • £199
  • 15 charities
  • Sat 6 - Sun 7 Sep
  • £199
  • 15 charities
Polegate, East Sussex, UK

South Coast Ultra Challenge | Full 100km continuous

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.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2100 m ascent
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.
  • Sat 6 - Sun 7 Sep
  • £199
  • 14 charities
  • Sat 6 - Sun 7 Sep
  • £199
  • 14 charities
Polegate, East Sussex, UK

South Coast Ultra Challenge | Full 100km over 2 days

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.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2100 m ascent
  • Sat 7 Jun
Castle Douglas, Dumfries and Galloway, UK

Ultra Scotland 50

  • 56 miles trail running + 2447 m ascent
  • Sat 23 Aug
Melrose, Scottish Borders, UK

Run the Borders | Full 109K

  • 109 km trail running

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