Event Description The 2025 Bellingham Off-Road Triathlon will be USAT sanctioned! On August 17th, swim, mountain bike, and trail run in and around Lake Padden. This race can be done solo or as a relay team. We'll see you there! Event Location & Accomodations Trending Events US 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (7-12-2025) Homeward Bound Pet Sanctuary 5K & 1 Mile Walk Fundraiser International Sloth Day Run 5K/10K/13.1 LOS ANGELES