Dick Collins Firetrails

SEP
26
2026
Experience challenging trails around Lake Chabot on September 26, 2026 with races from a 100k to a marathon, including a 50 mile USATF Grand Prix event. Enjoy scenic singletrack, supportive aid stations, and memorable finishers awards.
Sat 26 Sep 2026
100 kilometers 50 miles Marathon

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Event overview

Dick Collins Firetrails takes place on September 26, 2026 at Lake Chabot Regional Park, Castro Valley, California. The event is presented by Scena Performance and includes multiple trail race distances starting and finishing at Lake Chabot Marina. All races are part of the UTMB Index, and the 50-mile race is included in the Pacific USATF Grand Prix. Course maps and full race information are scheduled for a Course Reveal in early January 2026.

Races and logistics

  • Bay Ridge 100k
  • Firetrails 50-mile
  • Golden Hills Marathon

Time limits are set for each distance: Bay Ridge 100k 16.5 hours, Firetrails 50 15.5 hours, Golden Hills Marathon 13.5 hours. Cutoffs are firm due to East Bay Regional Parks permits and curfew rules. Pacers are allowed for the 100k and 50-mile races with advance registration; pacers are not allowed for the marathon. Drop bags are supported and will be transported to aid stations such as Big Bear. Most aid stations are vehicle accessible and open to crew unless marked "No Crew." Age-group awards are given by 10-year groups. Finishers receive event apparel, a finisher hoodie, a wine glass, a custom bib, a woodallion, and race photos; 100k finishers also receive a rhino belt buckle. Parking at Lake Chabot is subject to a fee. Refunds are generally not offered; deferral options exist outside 30 days and may be available inside 30 days in exchange for volunteering. Visit the organization's website for the most recent information.

100 km
Bay Ridge 100k
50 mi
Firetrails 50
Marathon
Golden Hills Marathon