6
100K ultra runs in Spring
Find 100k ultra runs near me in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 25 Apr 2026
- £90.50
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 + 8000 ft ascent
- Sat 16 - Sun 17 May 2026
- £39-£199
Wareham, Dorset, UK
Jurassic Coast Ultra Challenge
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!
- Families
- Newcomers
- Entertainment
- Music
- Event village
- Rural
- Coast
- Age 14 & over
- Trail run 2
- 50K ultra run 2
- 100K ultra run 2
- Marathon
- Ultra run
- + 1 more race
- Sun 22 Mar 2026
Sowerby Bridge, West Yorkshire, UK
Canalathon-Ultra Running Festival | 100K
- 100 km road running + 377 m ascent
- Sun 3 May 2026
Shipston-on-Stour, Warwickshire, UK
Tempo Trail Races | 100K Ultra
- 100 km trail running + 6682 ft ascent