Great Columbia Crossing 10K

Great Columbia Crossing 10K

The Great Columbia Crossing 10K is an annual October run and walk that crosses the Astoria-Megler Bridge between Washington and Oregon. Pedestrians are allowed on the bridge only during this event. The course is primarily a fairly flat road with one steep incline to the bridge peak. The Astoria-Megler Bridge is the longest continuous truss bridge in North America. The event began in 1982 and is organized by the Astoria-Warrenton Area Chamber of Commerce as a fundraiser.

Distances

• 10 km in-person on the Astoria-Megler Bridge
• 10 km virtual option, includes T-shirt and shipping, no bridge access

The in-person 2026 event reached capacity at 3,500 registered participants; registration for that year opened June 1 and sold out on June 7. Standard registration is $60 per person and includes chip timing; late registration is $65 if space is available. Youth under 10 may register free with no chip timing. Virtual registration is listed at $50 and virtual entries do not include bridge access. Long-sleeve event shirts are an additional $25 each with a pre-order discount before July 1.

The event issues five Clam Bucks with each race bib and provides an additional five Clam Bucks for mailed packets or early pickup. Clam Bucks are wooden tokens worth $1 each and are valid at participating Chamber member businesses from packet pick-up Thursday through the Wednesday after the race. Volunteer shifts offer a long-sleeve shirt, five Clam Bucks, and entry into a volunteer prize drawing. Visit the organization's website for the most recent information.

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