Hamster Endurance Runs

Bellingham, United States • 2-3 Aug 2025

Hamster Endurance Runs is a multi-distance ultrarunning event held annually at Lake Padden in Bellingham, Washington. Established in 2013, the race offers 6, 12, 24, and 32-hour endurance challenges on a well-marked 2.6-mile loop trail around the lake, featuring compact dirt and crushed gravel with minimal elevation gain. The course is illuminated with glow lights for night running, and runners must bring headlamps.

The event supports local causes, including the Whatcom Family YMCA Girls on The Run program. Amenities include varied food and hydration options, drop bags, and awards such as custom wood keepsakes and belt buckles for 100-mile finishers. Spectators and pacers are welcome, and camping is nearby. Visit the organization's website for the most recent information.

Race information

32 hr
150 m+
32 Hour
24 hr
150 m+
24 Hour
12 hr
150 m+
12 Hour
6 hr
150 m+
6 Hour
Visit the organization's website for the most recent information.
Trail runs nearby

Kill Bill’s Oyster Dome Challenge is a challenging trail running event held at Lower Blanchard Mountain, near Alger, Washington. Offering two distances, 25k and 50k (two loops of the 25k course), the race features a demanding elevation gain of 3,500 feet per loop with steep climbs, long downhills, a..

Larrabee Lakes is a trail running event held in Bellingham, Washington, starting and finishing at Fairhaven Park. The race offers three distances: 12K, 25K, and 50K, winding through lush green forests and past picturesque lakes within Larrabee State Park. Runners experience a mix of smooth singletra..

The Moran Constitutional Relay is a demanding 70-mile trail relay held at Moran State Park on Orcas Island, Washington. Teams of two to six runners complete 12 legs ranging from 3 to 9 miles, featuring diverse terrain including lowland forests, rocky balds, lakeshores, wetlands, and the summit of 2,..

The Fidalgo Trail Run is a scenic trail running event held at Deception Pass State Park in Anacortes, Washington, the state's most-visited park. Participants can choose from 5-mile, half marathon, and full marathon distances, all starting and finishing at Bowman’s Bay, a picturesque area with a sand..

The Run for Water Trail Race, held on Sumas Mountain in British Columbia, offers challenging trail running events with distances of 10K, 25K, and 50K. Scheduled for May 30, 2026, the race features rugged, technical single-track trails with significant elevation gains—500m for the 10K, nearly 1,500m..