The Best Races - Seattle

DEC
13
2025
Run Against Breast Cancer in Seattle on Dec 13 at Magnuson Park features 5K, 10K, half marathon, family mile and virtual options. Small capped waves, shipped swag and community fundraising make it a welcoming, meaningful run for all.
Sat 13 Dec 2025
13 miles 10 kilometers 5 kilometers

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Event

Run Against Breast Cancer 5K/10K/13.1 SEATTLE takes place on Saturday, December 13, 2025, at Magnuson Park, 7400 Sand Point Way Northeast, Seattle, WA 98115. Online registration is listed as closed. The event includes an in-person edition and a virtual run option.

Race details

The event uses capped wave starts and is described as a smaller, private group run with a cap per wave. Participants of all paces and ages may take part; minors must be accompanied by a guardian. Timing is optional and there are no timing chips; participants may track times with apps or request coordinator assistance. Race bibs are provided on race day. Swag items are shipped to the registrant’s US mailing address; packet pickup is not required. Swag includes a running shirt, a finisher’s towel or giveaway, a finisher’s medal, and a digital training pack. A technical running shirt upgrade is available for an additional fee. The organizer will email a final update the Wednesday before the race with course details and maps.

Distances and fees

  • 5K - $41.48 (registration closed)
  • 10K - $46.92 (registration closed)
  • Half-Marathon 13.1 - $50.17 (registration closed)
  • Virtual Run - $41.48 (registration closed)
  • Family 1 Mile Fun Run - $39.31 (registration closed)

Prices are inclusive of mandatory charges, items, and fees. The organizer states that each mile logged after the race will result in a $1 donation to a partner charity; fundraising is optional. Visit the organization's website for the most recent information.