Trail Running calendar near Olympia 2026-2027

We have found 82 Trailruns within 80 miles of Olympia. See below where and when you can find the races.

A self-supported, choose-your-own-adventure trail event at Camp Sheppard near Mount Rainier offering 24-hour solo, 24-hour team, and a 100-mile option, six marked trails, camping included, and points-based main and side quests.

A ruck style trail event at Crystal Mountain Resort on June 27, 2026, offering three distances with a 20 lb dry load and elevation gains listed up to 5,629 ft.

A trail race near Issaquah, WA offering 50K, half marathon, 5 mile and kids races across Tiger Mountain trails with steep climbs, ridge running, aid stations and finish‑area food.

July 2026

Trail out and back on the Sammamish River Trail from Bothell Landing offering a half marathon, a full marathon and a 50K. Water and snacks are available and finishers receive a wooden medal.

Choose a 5K or the 8K Hill Challenge on trails that cross Mossyrock Dam, with Riffe Lake views and a short cross-country section. Family pricing and youth rates are available; partial refunds permitted before June 13.

An evening trail run at Seward Park on July 7, 2026, with **4.2 mile** and 10k loop options through old growth forest, an aid station on course, post-race food and awards, and participation in a youth trail series.

Experience the lush forests and rolling hills of Cougar Mountain Regional Wildland Park at this trail event near Seattle. Choose between 5k, 10.8 mile, and 19.5 mile distances on varied terrain ranging from technical to groomed trails.

Mud Mountain Trail Fest is a trail running event at Mud Mountain Dam in Enumclaw, Washington on July 11, 2026. It offers a 4 Miler and a 10K on forested trails described as moderately challenging.

An all-ages glow run through the Snoqualmie Tunnel on the Palouse to Cascades trail with LED lighting, two participant waves, onsite merch options, and a post-race outdoor block party with food, games and drinks.

A 5K trail run and walk at Tiger Mountain Family Nudist Park on July 12, 2026. Clothing is optional and the event includes on-site camping, pool facilities, awards and supervised storage for clothing.

A weekend of mountain trail races at Crystal Mountain near Mount Rainier with a half marathon, downhill 10K, and uphill 5K. Registration includes an all day gondola pass and on site expo, camping, and sustainability policies.

A roughly 3-mile obstacle trail run at Joint Base Lewis-McChord on 18 July 2026, with waves of 25 released every five minutes and entry capped at 1,500. Packet pick-up includes a shirt, medal, bib and a post-race beverage ticket.

Trail races at St. Edward State Park near Lake Washington offering 4 mile and 8 mile looped courses on mixed single track and wider trails, with an aid station at the start/finish. Part of the Tuesday Night Trail to Grill series.

A one day community running festival in Seattle on July 22, 2026, with a social run offering 4 mile and 6.5 mile options, an expo with vendors and a raffle, and onsite giveaways and activities at Seven Hills Running.

A trail ultramarathon near Greenwater, WA with 50M, 50K and 25K options on mostly single track. Routes start and finish at Ranger Creek Campground with significant elevation gain and multiple aid stations.

August 2026

A trail race circling Mt St Helens with 50K and 25K options over lava, boulder and forest terrain. The 50K requires prior 50K completion and specific mandatory safety gear.

A mountain skyrace in Hoodsport, Washington that climbs to Mount Ellinor's summit and a shorter forest loop through Pacific Northwest rainforest. Both races start and finish at Big Creek Campground with limited weekend camping.

Stair races and walks at Stadium Bowl in Tacoma with one lap and two lap options, a Heroes Race with weighted vests, and proceeds supporting Kindred Souls Foundation. Open to participants aged eight and up with guardian supervision for mino..

Trail races of 5k, 14.5 miles and 26.2 miles take place in King County's Cougar Mountain Regional Wildland Park near Seattle. The event includes aid stations on course, supports King County Parks, and participates in a youth trail series.

A USATF-certified marathon and half marathon on August 9, 2026 near Hyak and Snoqualmie Pass. The rail-trail course runs through the Snoqualmie Tunnel, has about 1,000 feet of net elevation loss, aid stations every 2 to 3 miles, and shuttle..

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