50K ultra runs in South East
Find 50k ultra runs in South East 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.
- Sun 14 Jun
- £23-£35
Labyrinth 40th Anniversary Run | 50K
Come and celebrate the 40th anniversary of the iconic film released in 1986! A cult classic from the 80s, one of Charlotte's favourite films, and who doesn't love David Bowie as the Goblin King!
- 50 km road running
- Sat 20 Jun
- £60-£185
Race to the King
Take on a challenge fit for royalty in this epic ultramarathon taking in the South coast, South Downs Way, and Monarch’s Way over your choice of distance from a 30km loop up to a non-stop 100km!
- 100K ultra run
- 50K ultra run 2
- Trail run
- Charity ultra
- Sun 5 Jul
- £23-£35
Will Run For Ice Cream | 50K
A run that you don't want to miss! The medal is incredible, and you can celebrate your achievements with some well-deserved ice cream!
- 50 km road running
- Sat 11 - Sun 12 Jul
- £90-£275
Race to the Stones
Travel across the Ridgeway, the UK’s oldest footpath, pass through ancient landscapes, and end at the iconic Avebury Standing Stones. This is a journey on foot through 5,000 years of history.
- 50K ultra run 2
- 100K ultra run 3
- 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
- Sat 12 Sep
- £60-£62
Bewl Water Autumn | Ultra
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.
- 50 km trail running + 1500 ft 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
- 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
- Sun 22 Feb
- £62
BigMud Trails (EARTH) | 50K Ultramarathon
- 50 km trail running
- Sat 7 Mar
- £69
Humanity Direct Amersham Ultra | Ultra
- 50 km trail running
- Mon 4 May
- £56
BigWayRound - Winchester | 50K Ultra Marathon
- 50 km trail running
- Fri 29 May
- £20-£27
Midweek Medal Madness | Leons Birthday Run | 50K
- 50 km road running
- Sat 1 Aug
- £139
North Downs 50 Ultra Challenge | 50km
- 50 km trail running + 830 m ascent
- Sat 12 - Sun 13 Sep
- £139
Thames Path Ultra Challenge | 2nd Half Challenge 50K
- 50 km trail running + 150 m ascent