Charity challenge events
From runs to walks. Cycles to skydives. Sign up for an event now and help change the future of breast cancer.
Royal Parks Half Marathon 2026
Run the Royal Parks Half Marathon 2026 for Breast Cancer Now. Sign up for a charity place and help fund life-saving science and life-changing support.
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Swimming
Great North Swim
Take part in the UK’s biggest open water swim. There’s a range of distances to suit you, from 250 metres to 10k challenges.
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Walking | Running | Ultra Challenges
Cotswold Way Ultra Challenge
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Walking
National Three Peaks Challenge
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Ultra Challenges | Walking | Running
North Yorks Ultra Challenge
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Thrill seekers
Big Pink Jump June
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Walking | Running | Ultra Challenges
Peak District Ultra Challenge
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Walking
Lake District 5 Peaks Challenge
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Walking
Yorkshire Three Peaks
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Ultra Challenges | Walking | Running
Gower Peninsula Ultra Challenge
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Triathlons and duathlons
London T100