Great Columbia Crossing 10K is an iconic annual run/walk held each October in Astoria, drawing participants from across the Pacific Northwest and beyond. Scheduled for Sunday, October 11, 2026 (the second Sunday in October), this chip-timed 10 K (6.2 mile) race offers a rare opportunity to cross the Astoria-Megler Bridge on foot — the longest continuous truss bridge in North America — while enjoying unmatched views of the Columbia River and surrounding landscape.

The course begins at the Dismal Nitch Rest Area in Washington and travels southwest along SR-401 before ascending the bridge’s gentle rise to its peak, then descending into Astoria, Oregon, where runners and walkers finish near Basin Street. The bridge is closed to vehicle traffic for a limited window on race morning, and all participants must complete the course within designated time limits.

Participants are shuttled from Astoria or the Port of Chinook to the start, and finish line amenities include water stations, post-race refreshments, and a custom finisher medal. The event welcomes runners and walkers of all abilities, families, and even offers a virtual 10K option for those who can’t attend in person. Registration typically opens in the summer before the race and the event caps at around 3,500 participants, often selling out.

Whether you’re chasing a personal best, walking with friends, or simply soaking in the views and community spirit, the Great Columbia Crossing 10K celebrates fitness, scenery, and historic infrastructure in a truly memorable setting.