Flat Ultra runs
Find flat ultra runs near me in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Wed 30 Sep
- £34.20-£40
Kingfisher Challenge
Mature woodland, waterways and open grassland - it’s simply trail running perfection! Run as many 5K laps as you wish in the time limit, then receive your well-deserved medal, flapjack and beer.
- 6 hrs trail running
- Sun 18 Oct
- £51.50
Brenig Way 50K Trail
This regional marked footpath of 32 miles winds it's way through some beautifully remote upland scenery. Start at the town of Corwen in the Dee Valley, and follow the signage up the Dee Valley.
- 50 km trail running + 1450 m ascent
- Sun 25 Oct
- £37.50-£39.50
Wight Lines
Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.
- 7 hrs trail running + 47 ft ascent
- Sun 25 Oct
- £35-£55
Stort30
A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.
- 30 miles trail running + 188 ft ascent
- Sat 31 Oct
- £54-£56
Hubble Bubble & Ghostly 1 Mile | Ultra Marathon
A Halloween-themed ultra run you won't want to miss, bringing together runners of all abilities to share memories in what they love to do. Reach the finish to enjoy tasty Halloween treats.
- 32 miles trail running
- Sun 8 Nov
- £20-£37
Remembrance Run | South
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 14 Nov
- £61.50
The Anglesey 3 Peaks Run Challenge
Run the three peaks of Anglesey: a guided 55km ultra linking the island’s highest summits on spectacular coastal and inland trails, finishing at beautiful Lligwy Beach.
- 55 km trail running
- Fri 20 Nov
- £34
Dart Challenge | Dart Challenge
Take on a scenic trail challenge on a weekday along the River Dart, with rolling hills, woodland paths and breathtaking views through some of Devon’s most beautiful countryside.
- 6 hrs multi terrain running
- Sun 13 Dec
- £20-£34
The Snow Globe Gallop Bobble Hat Run | North
Come and join in the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in plus you will get a bobble hat for all your effort!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 13 Dec
- £37.50-£39.50
Step into Christmas
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
- 7 hrs road running
- Sat 26 Dec
- £16-£35
Boxing Day Challenge
Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- + 1 more race
- Sun 7 Feb 2027
- £70
Peddars Way Ultra
A 48-mile route through historical Suffolk and Norfolk, starting from Knettishall Heath Nature reserve and running north to Holme-next-the-Sea on the Norfolk Coast.
- 48 miles trail running + 1923 ft ascent
- Sat 9 May
- £60
Westcountry Ultra Flat 50 Miler
- 50 miles trail running + 2128 ft ascent
- Sat 9 May
- £60
Westcountry Ultra Hilly 50 Miler
- 50 miles fell running + 7337 ft ascent
- Sun 28 Jun
- £65
Tarka Trail 50K, Marathon, Half, 10K & Colourburst Races | 50K
- 50 km trail running