This end of season 50km looped route covers some of the best of the Chilterns countryside. You can Walk, Jog, or Run along historic trails and over rolling hills.

Starting & finishing at our Base Camp in Henley-on-Thames, there's a Saturday night celebration BBQ & entertainment with camping options.

Passing through nature reserves, forests, and hills with great views - it's a route with real variety, and some wonderful scenery - and it's all easily accessible from London.

With 25km options also - there's a Chiltern Challenge here for everyone!

Join us for an unforgettable end of season celebration Challenge in the Chilterns.
What do you get from this event?
  • HENLEY BASECAMP
  • 50KM LOOP FULL CHALLENGE
  • 25KM CHALLENGE OPTIONS
  • 4 COVERED REST STOPS
  • FREE FOOD & DRINK
  • WALK AT YOUR PACE - 12 HRS+
  • RUN OR JOG - SET A NEW GOAL
  • JOIN AS INDIVIDUAL OR TEAM
  • FULLY SIGNED ROUTE
  • MEDICS, MARSHALS, MASSAGE
  • FRI / SAT CAMPING OPTIONS
  • CELEBRATION FINISH BBQ & BAR
  • SAT EVENING ENTERTAINMENT 
  • FOR CHARITY OR SELF FUND
  • MEDAL & T SHIRT
  • SHUTTLE BUSSES & TRANSFERS
  • CHALLENGE MOBILE APP

SIGN UP HERE

For more information on any of the Ultra Challenge Series please contact Clare Allen, our Events Manager on 01494 410 335 or [email protected]

Booking for this event has now closed.