Bare Buns Fun Run

King County, Washington, United States

Jul 12, 2026 - Sunday

5k, Fun Run

Race Information

Bare Buns Furn Run is a 5K (3.1 mile) Trail Run/Walk on beautiful Tiger Mountain, starting and finishing in the park. The challenging course runs over unpaved roads, with a short section of cross country, uphill to the turnaround, and back downhill. If you find the risk of sunburn challenging enough, the course is a serene walk through the forest.

Tiger Mountain Family Nudist Park sponsors this race, but that doesn’t mean you have to leave your clothes at the gate. “Clothing Optional” means just that; it’s your option. You don’t have to run nude; however, this race will have many nude participants and officials.

Guests can cheer you on from the sidelines and stay to enjoy the incredible facilities the entire day with you! After the race, take an opportunity to go skinny-dipping in the resort's crystal clear, heated pool, while race results are tabulated. The top three runners in each age/gender category will be presented with an award.

Downhill Super Series 🪽

3 of the Fastest Boston Qualifier Courses in the U.S.
#22 Fastest | #35 Fastest | #5 Fastest 🇺🇸

Boston Marathon qualifying eligible with no downhill penalty! Marathon and half marathon distances un through the iconic Snoqualmie Tunnel. 

💸 SAVE 10% | Choose Your Event | Use Code: RG10

🪽 Super Hyak Marathon & Half - June 13th
🌲 Jack & Jill Marathon & Half - July 25 & 26th
⛰️ Cascade Express Marathon & Half - Sept. 12th

Learn More

These smooth rail-trail courses feature sustained net downhill profiles designed to help runners chase personal bests and Boston Qualifying times. Located along the Palouse to Cascades Trail, this historic rail tunnel offers cool temperatures and a unique running experience before the course continues downhill toward the finish.

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Race Facts

Race Size: 100 - 500

Course Type: Trail

Boston Qualifier: No

Kids Run: No

Where to Stay

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