Threshold Trail Series
2 iconic trails. 2 epic finish lines. The UK’s multi award-winning ultramarathon series.
Experience a multi award-winning ultra!
Be part of a race that’s helped thousands of runners realise their ultra dreams. Choose from one of two beautiful routes from across the country; Chichester, the Cotswolds or Wiltshire.
🏆 Running Awards 5x Winner (Endurance Event and Ultramarathon)
🏆 Women’s Running Awards: Best Ultramarathon
🏆 Trail Running Magazine: Regional event of the year
Raise money for a cause you love with JustGiving, the event’s official fundraising partner.
Get started
Choose your event
Are you ready to raise money for an amazing charity and clock up those miles? Choose an event, smash your finish time, and reach your fundraising goal with JustGiving.
19 JUNE 2027
Race to the King
Beginning and ending at Goodwood Race Course, participants will complete a loop across the Chichester countryside.
10 JULY 2027
Race to the Stones
Cover 100km from Lewknor to Avebury! It’s the original trail series event and also the flattest.