Olympic Mountains Trail Races

AUG
15-16
2026
Set in Washington's Olympic National Forest, this August weekend offers trail races from a 10K to a 100K, including ruck divisions. Courses feature significant elevation on scenic single-track trails. Registration opens in January with discounts available.
15-16 Aug 2026
100 kilometers 50 kilometers 25 kilometers 10 kilometers

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Event Details

The Olympic Mountains Trail Races take place on August 15 and 16, 2026, in the Olympic National Forest near Quilcene, Washington. The event offers several trail running distances. A ruck division, where participants must carry a weighted pack, is available for the 50K and 25K distances.

Distances

The available race distances are:

  • 100K
  • 50K and 50K Ruck
  • 25K and 25K Ruck
  • 10K

Course Information

The 100K course is described as a continuous, single-loop route with over 14,200 feet of elevation gain and runs on approximately 80% single-track trail. It passes Gold Creek, the Dungeness River, and Royal Creek, reaching a high point of 5,820 feet at the Buckhorn Wilderness boundary.

The 50K course is a single loop with 8,600 feet of climbing, of which 74% is on single-track trail. It travels toward Mount Townsend and Mount Zion.

The 25K course includes almost 4,000 feet of elevation gain, featuring a 2,250-foot climb over 3.7 miles to the summit of Mount Zion.

The 10K course is 6.56 miles long with 1,117 feet of climbing, split between single-track trail and fire road.

Registration

Registration opens on January 23, 2026. Entry fees increase on July 13, 2026. Discounts are offered for tribal members and active duty or veteran military personnel via a code request. Participants racing on Saturday who add a Sunday race receive a 20% discount on the Sunday event.

The event has a no-refund policy but offers credits toward the following year's races if participants withdraw by specified dates. Registered runners may drop to a shorter distance until August 13, 2026.

Logistics

Race headquarters is located on Forest Service roads. Organizers advise against relying on navigation apps due to poor cell service and recommend following provided turn-by-turn directions. Free camping details are to be announced. Volunteers are needed for the event. Visit the organization's website for the most recent information.

100 km
100k
50 km
50k Ruck
50 km
50k
25 km
25k
25 km
25k Ruck
10 km
10k