Logo

Cottontail 6 & 12 Hour

Seattle, United States • 12 Apr 2025

The Cottontail 6 & 12 Hour event, taking place in Seattle's Carkeek Park, offers participants a unique running experience on a scenic 1.93-mile loop. Scheduled for April 12, 2025, this event allows runners to choose between a 6-hour or 12-hour challenge, with the option to complete as many laps as they desire. The course features varied terrain, including steep stairs and rolling trails, providing both a fun and challenging atmosphere. This race also emphasizes sustainability, with minimal waste and support for local businesses. Proceeds from the event benefit trail work and advocacy in the Northwest region. Visit the organization's website for the most recent information.

United States Washington Seattle

Race information

Website Registration
12 km
436 m+
12 Hour
6 km
436 m+
6 Hour
Visit the organization's website for the most recent information.
Trail runs nearby

SpiritWalk & Warrior Run

Seattle

The SpiritWalk & Warrior Run will take place in Seattle on Saturday 18 October 2025. You can run 5 kilometers.

Run with the Kokanee

Issaquah - 15 mi from Seattle

Event overview Run With The Kokanee is scheduled for Saturday, October 18, 2025, at Lake Sammamish State Park in Issaquah, WA. The event offers the following distances: 5k 10k (two laps of the 5k loop) Entry fees vary by registration peri..

Cougar Mountain Trail Run Series

Bellevue - 6 mi from Seattle

Event overview The Cougar Mountain Trail Run Series (October) is scheduled for October 25, 2025, at Sky Country Trailhead in Bellevue, Washington, within King County’s Cougar Mountain Regional Wildland Park. The series is organized by Seatt..

Carkeek 12 Hour

Seattle

Run for trails at Carkeek 12 hour, a scenic loop fundraiser at Carkeek Park in Seattle on October 25 with a virtual option in October. Limited to 50 runners, costume friendly with pet prizes and proceeds fund Endless Trails.

West Seattle Monster Dash

Seattle

Dress up and run or walk the West Seattle Monster Dash, a family friendly costumed 5K and kids dash through scenic Lincoln Park to benefit South Seattle College Cooperative Preschools. Registration includes a new design shirt, kids zone and..

Carkeek Cooler Trail Run

Seattle

Carkeek Cooler Trail Run The event takes place on Saturday, November 1, 2025, at Carkeek Park in Seattle, Washington. Distances offered: 5k 10k The run is part of the 2025-26 Winter Trail Series. Course and aid The course starts and finis..