Flat 50K ultra runs
Find flat 50k 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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- Sat 11 Jul
- £23-£35
Ooops I Ran It Again | 50K
Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
- 50 km road running
- Sun 9 Aug
- £23-£35
Great British Bake Run | 50K
Who doesn't like cake?! The Great British Bake 50K Run is back for another year! The medal is a fantastic cupcake which doubles up as a magnet to go on your fridge!
- 50 km road running
- Sun 30 Aug
- £17-£29
GNR & Time Turner | Durham | 50K
Whether you're looking to get some miles under your belt before The Great North Run or you just fancy a run along the beautiful River Wear, then this is the ultra for you!
- 50 km 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 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
- Sun 6 Dec
- £22-£34
The Snow Globe Gallop Bobble Hat Run | North | 50K
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!
- 50 km trail running
- Sat 26 Dec
- £33-£35
Boxing Day Challenge | Ultra Marathon
Come and join the day of running and aim to complete an ultra marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
- 32 miles trail running
- Sat 7 Mar
- £65
Harrold-Odell Country Park Trail Run | 50K
- 50 km trail running
- Sun 22 Mar
- £60
Canalathon-Ultra Running Festival | 50K
- 50 km road running + 189 m ascent
- Fri 11 - Sun 13 Sep
- £39-£199
Thames Path Ultra Challenge
- 100K ultra run 2
- 50K ultra run 2
- Trail run 4
- Charity walk 4
- Ultra run
- + 1 more race