The Best Races - Seattle

Run Against Breast Cancer 5K/10K/13.1 Seattle is staged at Magnuson Park in Seattle (7400 Sand Point Way NE, 98115). The event offers 5K, 10K, and half-marathon distances and emphasizes a spirited, supportive atmosphere focused on community and fundraising for breast cancer. The Best Races notes a smaller, private-group setup with per-wave caps.

There are no timing chips; timing is optional with participants using their own apps and submitting results online. Course maps are provided before the race. Swag includes a mailed running shirt (US addresses only), a finisher medal and towel or giveaway, plus a digital training pack and online results.

A virtual option is available if waves sell out. Visit the organization's website for the most recent information.