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Multi-terrain runs in UK in May 2026

Find multi-terrain runs near me in UK in May 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
  • Sat 9 May 2026
  • Sat 9 May 2026
Henley-on-Thames, Buckinghamshire, UK

Tough Mudder London West | 15K - Saturday

Secure your charity place in Tough Mudder London West 15K Saturday today. Run for charity in a muddy obstacle course while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Age 14 & over
  • 15 km multi terrain running
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
  • Sat 9 May 2026
  • Sat 9 May 2026
Henley-on-Thames, Buckinghamshire, UK

Tough Mudder London West | 5K - Saturday

Secure your charity place in Tough Mudder London West 5K Saturday today. Run for charity in a muddy obstacle course while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Age 14 & over
  • 5 km multi terrain running
The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.
  • Sat 9 - Sun 10 May 2026
  • £95.50-£155.50
  • Sat 9 - Sun 10 May 2026
  • £95.50-£155.50
Prestatyn, Clwyd, UK

24 Hours South | The Offa's Dyke Ultra

The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.

  • Newcomers
  • Chip timing
  • Enter online
  • GPS tracking
  • Event village
  • Rural
  • Age 18 & over
  • 24 hrs trail running + 8561 ft ascent
The multi-terrain half marathon is mostly on road and covers a section of the longer distance routes.
  • Sun 10 May 2026
  • £35
  • Sun 10 May 2026
  • £35
Naseby, Northamptonshire, UK

Shires and Spires | Half Marathon

The multi-terrain half marathon is mostly on road and covers a section of the longer distance routes.

  • Chip timing
  • Enter online
  • Undulating
  • Age 18 & over
  • 13.4 miles multi terrain running + 897 ft ascent
The multi-terrain marathon is 12.9 miles on road and 13.7 miles of trails and covers a large part of the ultra distance route.
  • Sun 10 May 2026
  • £45
  • Sun 10 May 2026
  • £45
Naseby, Northamptonshire, UK

Shires and Spires | Marathon

The multi-terrain marathon is 12.9 miles on road and 13.7 miles of trails and covers a large part of the ultra distance route.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 26.6 miles multi terrain running + 1743 ft ascent
The multi-terrain 3/4 marathon is 11.1 miles on road and 8 miles of trails and covers a section of the longer distance routes through beautiful Northamptonshire countryside.
  • Sun 10 May 2026
  • £40
  • Sun 10 May 2026
  • £40
Naseby, Northamptonshire, UK

Shires and Spires | Three Quarter Marathon

The multi-terrain 3/4 marathon is 11.1 miles on road and 8 miles of trails and covers a section of the longer distance routes through beautiful Northamptonshire countryside.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 19.1 miles trail running + 1334 ft ascent
The circular 35 mile ultra is a registered UTMB index race with 20.2 miles of cross country trails and 14.3 miles on road through wonderful countryside. Fully tracked and interactive
  • Sun 10 May 2026
  • £60
  • Sun 10 May 2026
  • £60
Naseby, Northamptonshire, UK

Shires and Spires | Ultra

The circular 35 mile ultra is a registered UTMB index race with 20.2 miles of cross country trails and 14.3 miles on road through wonderful countryside. Fully tracked and interactive

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 35 miles multi terrain running + 2052 ft ascent
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
  • Sun 10 May 2026
  • Sun 10 May 2026
Henley-on-Thames, Buckinghamshire, UK

Tough Mudder London West | 15K - Sunday

Secure your charity place in Tough Mudder London West 15K Sunday today. Run for charity in a muddy obstacle course while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 15 km multi terrain running
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
  • Sun 10 May 2026
  • Sun 10 May 2026
Henley-on-Thames, Buckinghamshire, UK

Tough Mudder London West | 5K - Sunday

Secure your charity place in Tough Mudder London West 5K Sunday today. Run for charity in a muddy obstacle course while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running
Taking in the two Munro summits of Cairn a Chlamain and Ben Dearg along with Glen Tilt and the vast forests of Blairuachdair, the Full Tilt Ultra has it all. Are you up to the challenge?
  • Sat 30 May 2026
  • £79
  • Sat 30 May 2026
  • £79
Pitlochry, Perth and Kinross, UK

Blair Castle Trail Weekender | Full Tilt Ultra 58K

Taking in the two Munro summits of Cairn a Chlamain and Ben Dearg along with Glen Tilt and the vast forests of Blairuachdair, the Full Tilt Ultra has it all. Are you up to the challenge?

  • Chip timing
  • Enter online
  • Mountainous
  • Traffic free
  • Age 18 & over
  • 58 km trail running + 2026 m ascent
Looking to try higher altitude trail running? Reaching heights of over 1000m, runners will experience extensive views across the Cairngorm mountains and the remote beauty of the bothy.
  • Sat 30 May 2026
  • £59
  • Sat 30 May 2026
  • £59
Pitlochry, Perth and Kinross, UK

Blair Castle Trail Weekender | Dearg Up n' Doon 32K

Looking to try higher altitude trail running? Reaching heights of over 1000m, runners will experience extensive views across the Cairngorm mountains and the remote beauty of the bothy.

  • Chip timing
  • Enter online
  • Mountainous
  • Traffic free
  • Age 18 & over
  • 30 km trail running + 1000 m ascent
New! A weekend of inclusive trail races, camping, festival vibes, yoga workshops, guided runs, live music and outdoor cinema, all based in the grounds of the iconic Blair Castle in the Cairngorms.
  • Sun 31 May 2026
  • £55
  • Sun 31 May 2026
  • £55
Pitlochry, Perth and Kinross, UK

Blair Castle Trail Weekender | Atholl Trail Half Marathon 21.1K

New! A weekend of inclusive trail races, camping, festival vibes, yoga workshops, guided runs, live music and outdoor cinema, all based in the grounds of the iconic Blair Castle in the Cairngorms.

  • Chip timing
  • Enter online
  • Mountainous
  • Traffic free
  • Age 18 & over
  • 21.1 km trail running + 400 m ascent
Follow magical forest trails through Dianas Grove and venture down the Buluain Woods before joining Glen Tilt via the Blairuachdair forest before returning back down the Glen and onto the finish.
  • Sun 31 May 2026
  • £50
  • Sun 31 May 2026
  • £50
Pitlochry, Perth and Kinross, UK

Blair Castle Trail Weekender | Banvie Burn 13K

Follow magical forest trails through Dianas Grove and venture down the Buluain Woods before joining Glen Tilt via the Blairuachdair forest before returning back down the Glen and onto the finish.

  • Chip timing
  • Enter online
  • Hilly
  • Mountainous
  • Traffic free
  • Age 16 & over
  • 13 km trail running + 200 m ascent
A perfect introduction to the world of trail running, on a rolling route that winds through magical forests before reaching the return leg down the tail-end of Glen Tilt.
  • Sun 31 May 2026
  • £50
  • Sun 31 May 2026
  • £50
Pitlochry, Perth and Kinross, UK

Blair Castle Trail Weekender | Dianas Grove 7K

A perfect introduction to the world of trail running, on a rolling route that winds through magical forests before reaching the return leg down the tail-end of Glen Tilt.

  • Chip timing
  • Enter online
  • Hilly
  • Traffic free
  • Age 16 & over
  • 7 km trail running + 100 m ascent
  • Sun 3 May 2026
Lancing, West Sussex, UK

Three Forts Challenge | Marathon

  • 26.2 miles multi terrain running + 3195 ft ascent
  • Sun 3 May 2026
Lancing, West Sussex, UK

Three Forts Challenge | Half Marathon

  • 13.1 miles multi terrain running + 1455 ft ascent
  • Sat 9 May 2026
Henley-on-Thames, Buckinghamshire, UK

Tough Mudder London West | Tough Mudder Infinity

  • 8 hrs multi terrain running
  • Sat 16 May 2026
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend | Beast 21K

  • 21 km multi terrain running
  • Sat 16 May 2026
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend | Kids Race 3K - Saturday

  • 3 km multi terrain running
  • Sat 16 May 2026
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend | Kids Race 1.5K - Saturday

  • 1.5 km multi terrain running
  • Sat 16 May 2026
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend | Kids Race 1K - Saturday

  • 1 km multi terrain running
  • Sat 16 May 2026
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend | Sprint 5K - Saturday

  • 5 km multi terrain running
  • Sun 17 May 2026
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend | Super 10K

  • 10 km multi terrain running
  • Sun 17 May 2026
Keighley, West Yorkshire, UK

Sue Ryder Bronte Half Marathon

  • 13.1 miles multi terrain running + 1811 ft ascent
  • Sun 17 May 2026
Chester, Cheshire, UK

Essar Chester Fun Run

  • 1 mile road running

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