Running Races in 99110 (Clayton, WA)

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more in or near 99110

See below for a frequently-updated, comprehensive list of upcoming running events in the local Clayton, WA area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.

Running-10K - Individual Age group/open

Organization: Franklin APPLE Parent's Committee Inc

Date of Race: 10-05-2025

Description: Save the date for Sunday, October 5, 2025! The Sekani trail ...

Running-5K - Individual Age group/open

Organization: Franklin APPLE Parent's Committee Inc

Date of Race: 10-05-2025

Description: Save the date for Sunday, October 5, 2025! The Sekani trail ...

Running-1K - Youth - Individual Age group/open

Organization: Franklin APPLE Parent's Committee Inc

Date of Race: 10-05-2025

Description: Save the date for Sunday, October 5, 2025! The Sekani trail ...

2025 Sekani Trail Run

Organization: Franklin APPLE Parent's Committee Inc

Date of Race: 10-05-2025

Description: Save the date for Sunday, October 5, 2025! The Sekani trail ...

Adventure-8 hours - Wait-listed team Registration

Organization: North American Educational Adventure Racing

Date of Race: 10-04-2025

Description: Northwest MedWAR MedWARis short for MedicalWildernessAdventureRace. It is a unique event ...