Trail Running calendar near Renton 2026-2027

Races on the flat, mostly packed gravel Willapa Hills Trail in Chehalis offering 100 mile, 50 mile, 50K, 25K and 5K options with multiple aid stations, drop bags, pacer allowances and on site parking and camping.

A 5k and 10k trail run at Carkeek Park in Seattle on November 7, 2026, featuring forested singletrack, steep climbs and rolling downhills. Routes start and finish in the Lower Meadow beside Piper’s Creek.

Trail races at Deception Pass State Park offering 50K and 25K routes on technical single track trails that cross the Deception Pass Bridge twice, with multiple aid stations, drop bag support, and park parking rules.

Trail runs of 4k, 8k and 12k on a 4.1 km forested loop in Ravenna Park, Seattle, with a staffed aid station and a 230 foot climb per loop. Youth runners under 20 receive a $10 discount.

A winter trail event at Redmond Watershed Preserve on December 5, 2026 offering 5 mile and half marathon routes on well groomed, mostly smooth trails. Offsite parking with shuttle, aid stations for the half marathon, and a Winter Wonderland..

Experience a low key and community focused running event in Maple Valley. This flat course offers half marathon, marathon, and 50K distances for runners seeking a grassroots atmosphere and personal challenge.

A festive roughly 10K trail run in Squaxin Park that starts and finishes at Reeves Middle School. Holiday aid station, a hand crafted finisher keepsake and a tree planted for each finisher highlight the community focused event.

A winter trail run at Seward Park offering 4.2 mile and 10k loops through old growth forest as part of the 2026-27 Winter Trail Series. An aid station is on course and dogs are not allowed.

A 4-mile or 8-mile trail run at St. Edward State Park in Kenmore, WA, featuring single-track and shoreline sections. The event is part of the 2026-27 Winter Trail Series and includes an aid station and on-site apparel sales.

A 5 mile and a half marathon take place at Soaring Eagle Regional Park on January 16, 2027. Courses use narrow technical singletrack and a figure eight layout with multiple aid stations and a short groomed gravel section.

Interlaken Icicle Dash on January 30, 2027 at Interlaken Park in Seattle features 5k and 10k trail loops on paved boulevard and dirt trails. It is the final race of the 2026 to 2027 Winter Trail Series.

Trail races in Deception Pass State Park featuring 50K and 25K courses over single track, coastal bluffs and forest, with aid stations, drop bags, marked trails and free official photos available for participants.

Celebrate Valentine's Day with a community 5k in Black Diamond featuring unique two person team categories and a cross country style scoring system.