Threshold Trail Series
2 iconic trails. 2 epic finish lines. The UK’s multi award-winning ultramarathon series.
Take on the ultimate challenge with an ultramarathon! If you’ve completed marathons in the past and are looking for your next adventure, the Threshold Trail Series is for you.
Walk, jog or run and raise money for a cause you care about. Choose from one of two beautiful routes from across the country; Chichester, the Cotswolds or Wiltshire!
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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.
Race to the King
20th June 2026
Beginning and ending at Goodwood Race Course, participants will complete a loop across the Chichester countryside.
Race to the Stones
11th – 12th July 2026
Cover 100km from Lewknor to Avebury! It’s the original trail series event and also the flattest.
READY TO GO?
Start making a difference
Raise money, clock up the miles, and make a real difference for the cause you love with JustGiving.