Trail Running calendar near Olympia 2026-2027

We have found 56 Trailruns within 80 miles of Olympia. See below where and when you can find the races.

Bigfoot 200 is a point to point ultramarathon through Mount St. Helens country, spanning roughly 200 miles of lava fields, ridgelines, old growth forest and river crossings. Expect rugged volcanic scenery and nonstop endurance.

Take on a 20 mile single track trail run around Mount St. Helens near Cougar, Washington, winding through lava fields, stream crossings and old growth forest. Rugged, scenic and unforgettable for trail lovers.

Experience Olympic Mountains Trail Races near Quilcene, Washington on August 15 and 16, 2026, with distances from 10K to 100K and new ruck divisions for 50K and 25K. Tackle rugged single track, big climbs and riverside views.

An evening 5k, 10k and half marathon on the paved Chambers Bay Loop Trail in University Place, WA, featuring multi-loop courses, aid stations, race-day packet pick-up, and a strict no-litter policy.

Run rugged singletrack around Mount St. Helens on August 29, 2026, choosing 50K, 20 Miler, or Half Marathon from the Science and Learning Center at Coldwater Lake. Camping, aid stations, chip timing, and epic volcanic views await.

September 2026

Experience rugged singletrack and subalpine ridgelines at the Dark Divide Trail Races near Randle, Washington, Sept 4 to 6, 2026. Distances from a 15 Miler to a 100 Miler challenge runners with steep, technical trails and remote scenery.

Run the scenic Adventure Trail from Port Angeles to Lake Crescent in Olympic National Park, with half marathon, marathon or 50K options. Expect single track forest trails, challenging climbs, aid stations and a festive finish at Log Cabin R..

Run the Cascade Express Marathon or Half Marathon in Snoqualmie Pass with USATF certified courses and a Boston qualifier marathon. Revel in gradual downhill gravel trails, a Snoqualmie Tunnel section, and a custom medal.

Join the quirky Beat the Blerch run created by The Oatmeal, with distances from 5K to marathon. Enjoy a flat out and back course through mossy evergreen forests along the Snoqualmie Valley Trail near Carnation.

Run the scenic Tunnel Light Marathon or half marathon from Snoqualmie Pass to North Bend on September 13, 2026, celebrating the route's tunnel heritage and mountain views. Registration is paused as organizers work with agencies to finalize..

Run a stunning 7.7 mile mountain course with 2,544 feet of climbing at Crystal Mountain, WA, featuring summit ridgeline views and technical single track. Limited to 700 entries and part of the Cirque Series with season points and buckle awa..

A themed 5K on September 19, 2026 at Magnuson Park in Seattle that invites participants to walk or run in costume. The trail route includes mild inclines and mixed surfaces and welcomes leashed dogs and suitable strollers.

October 2026

North Bend Trail Fest, October 3 to 4, 2026 in North Bend, WA, showcases the Skyline 30k Vert Running Series Championship with 6,300 feet of climbing, the Mt Si Vertical Kilometer, and the Little Si 10k. Try the two day North Bend Double fo..

November 2026

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.

December 2026

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.