Windsor 50 Ultra Challenge
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About the race
Windsor 50 Ultra Challenge, formerly The Easter 50, is staged from Windsor Racecourse and offers 50 km, 25 km, or 10 km loop options. Participants traverse looped routes from the basecamp through Windsor Great Park with castle views, to Runnymede and along the Thames Path into surrounding countryside. The Ultra Challenge experience features fully signed routes, GPS tracking, marque rest stops roughly every 12.5 km, a 25 km picnic for the 50 km option, and finish-line celebrations with a hot meal and a finisher medal.
New for 2026 are Ultra Trailblazerz for fast runners and Ultra March for walkers, plus transfers and parking. Visit the organization's website for the most recent information.