Challenging Events race calendar.

Challenging Events 2026.

October 4, 2026

Adult, Duathlon, Run, Triathlon

Spread out from Feb to Oct, check out the Challenging Events race calendar –  including the Winchester 10k, Southampton Fast Twitch, Hampshire Hilly 100, New Forest Tri, Bournemouth Tri, and Winchester Half, there is bound to be a ‘Challenging’ event ideal for you. 

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