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Bimblers Bluff 50k

Guilford, United States • 19 Oct 2025

Bimblers Bluff 50K is an off-road ultramarathon in southern Connecticut, starting at Guilford Lakes School in Guilford. The 50-kilometer course weaves through interconnected woodland preserves, using rolling forest roads and rocky single-track. The route is notable for not requiring repeated loops, offering an adventurous, non-traditional challenge that tests fitness and mental stamina.

Entrants receive a goodie bag with bib and race shirt; finishers within a 10-hour limit earn a finisher award, with separate awards for the top male and female. The event is 100% not-for-profit, with proceeds donated to local land-conservation groups; volunteers welcome. Registration runs May 18 through race day or until full. Visit the organization's website for the most recent information.

United States Connecticut Guilford

Race information

Website
50 km
50k
Visit the organization's website for the most recent information.
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