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Let UltraBritain run registration for your event
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Featured Events
XNRG run 3 50km races each year over stunning trails. All proceeds go to Humanity Direct to fund life-transforming operations for children. Enjoy some of the best-organised races in the country while helping out a great cause.

Amersham 50k
9th March
Chiltern Challenge 50k
13th July
Tring 50k
21st September