Ancient Lakes Trail Run
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Event
The Ancient Lakes Trail Run takes place April 11-12, 2026 in Quincy, Washington, with the start/finish at the Bishop Recreation Area / Ancient Lakes trailhead. Distances offered include:
- 50 Mile (runs the 25k loop three times; actual course listed at about 51.5 miles)
- 50K (runs the 25k loop twice; actual course listed at about 34 miles)
- Marathon (multi-loop format)
- 25K (three sub-loops; actual course listed at about 17 miles)
- 10K (one loop)
The event is USATF sanctioned. The race operates under permit limits and does not maintain a waitlist.
Course and race services
The course uses a cloverleaf design built from a larger 25k loop that contains three sub-loops (red, green, blue). Trails are primarily single track with rolling terrain and no single climb or descent over 400 feet. The red loop passes a waterfall and basalt outcrops, the green loop passes another lake and canyon-like terrain, and the blue loop drops into the Columbia River Gorge and runs along the river before climbing back to the finish.
A single central aid station is used repeatedly during the races. Participants must carry their own hydration system capable of holding at least 16 oz. of fluid; the aid stations are cupless. Drop bags are stored at the start/finish and are accessible after each loop. Pacers are allowed only in the 50 Mile race. Parking and packet pick-up are at the Bishop Recreation Area. Refunds and deferrals are not offered. Visit the organization's website for the most recent information.