Challenging participants to push their limits
Threshold Sports organise epic endurance events across the UK, focusing on challenging participants to push their limits - their moto is 'We believe More Is In You'. Their main events include:
- Threshold Trail Series - weekend-long ultramarathons in spectacular British landscapes with distances from 50km to 100km.
- Endure24 - 24-hour trail races held in Reading and Leeds where participants complete as many 8km laps as possible within the time limit.
Events cater to a wide range of participants, from first-timers to experienced athletes, emphasising inclusivity and personal achievement.
Threshold Trail Series
Looking for an ultra run in epic scenery? You've come to exactly the right place!
- Sat 12 - Sun 13 Jul
- £85-£270
Race to the Stones
Conquer Britain's oldest trail, the ancient Ridgeway, at the UK's biggest ultramarathon as you race towards the 5000-year-old Avebury Standing Stones. Back for the 12th Year Running!
- 50K ultra run 2
- 100K ultra run 3
Fixed time runs
How far can you run in 24 hours? It's time to find out.
- Sat 28 - Sun 29 Jun
- £85-£120
Endure24 | Leeds
The north's favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
- 24 hrs multi terrain running + 102 m ascent
- Sat 6 - Sun 7 Jun 2026
- £80
Endure24 | Reading
The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
- 24 hrs multi terrain running