Green Lakes Endurance Runs

Fayetteville, United States • 23 Aug 2025

The Green Lakes Endurance Runs, held at Tulip Hill Picnic Area in Green Lakes State Park, Fayetteville, NY, offer ultrarunning events including 100K, 50K, 25K, and a new 12-hour timed race called GLER GALEFORCE. The main course loops are about 8 miles long, featuring varied terrain such as single and double track trails, grassy paths, dirt roads, and some asphalt. The course includes shaded upland forest trails with ascents and descents, open meadows known as the Serengeti, and flat lakeside trails, making it runnable yet challenging, especially in summer heat. The 12-hour race uses a separate 3-mile loop around Green and Round Lakes. The event provides strong support with aid stations, race swag, and awards across multiple age groups. Visit the organization's website for the most recent information.

Race information

12 km
Gler Galeforce 12 Hour Race
100 km
100k
50 km
50k
25 km
25k
Visit the organization's website for the most recent information.
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