Trail Running calendar near Federal Way 2026-2027

Trail races at Grand Ridge Park in Issaquah, WA offering 5 Mile, half marathon, full marathon and 50K on two loop courses through forested Cascade foothills. Aid stations are stocked and the event is a cupless race.

A low cost, low key set of long-distance races in Maple Valley, WA on Dec 12, 2026, with 50K, marathon, and half marathon options and limited on-course support in a grassroots atmosphere.