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Ultra Challenge Series 2026
Save 25% on registration fees!
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Thames Path Ultra challenge
Take on the Thames Path Challenge following England's greatest river.
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Thames Bridges Trek
Follow a 10km or 25km route, crossing 16 of London's most iconic bridges.
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Chiltern 50 Ultra Challenge
Chilterns finest countryside, with historic trails, rolling hills, nature reserves, with…
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Halloween Walk
Choose your distance, gather your bravest guys & ghouls to make up a team.