10K Races in Seattle, WA
Seattle, WA is home to 28+ running events. Whether you are looking for a competitive race or a casual weekend event, the Seattle running scene has something for every level. Find and register below.
Running
National Chocolate Day: Run for Chocolates 5K/10K/13.1 SEATTLE
September 12, 2026
Seattle, WA
Frequently Asked Questions
How do I find running races in Seattle?▾
Use RACE to browse all upcoming running events in Seattle, WA. Filter by distance (5K, 10K, half marathon, marathon) and date to find the perfect race for your schedule.
What are the most popular race distances in Seattle?▾
Seattle hosts races at every distance, from 1-mile fun runs to full marathons. 5K and half marathon events are the most common, followed by 10Ks and marathons.
When is the best time to race in Seattle, WA?▾
Race season varies by region. Check the calendar on RACE to see Seattle's busiest months — spring and fall are typically peak season for road races in Washington.
Are there beginner-friendly races in Seattle?▾
Yes. Many 5K events in Seattle welcome first-time runners with open waves, no time cutoffs, and walk-friendly policies. Start with a local 5K and build from there.