Races

🍀 St. Patrick’s Day Virtual Run – Run Bold. Run Lucky. Run Strong. 🍀 Celebrate the spirit of St. Patrick’s Day with more than just luck — celebrate it with Pride! Choose one of two T-shirt Designs:- St. Patrick with Beer: Our exclusive Kelly Green performance tee features an intricate, art-inspired design that commands attention. Ornate gold detailing, dynamic movement, and bold St. Patrick’s Day elements come together in a rich, eye-catching composition that stands out against the vibrant green backdrop. It’s more than a race shirt — it’s a statement piece. - Leprechaun with Clover: The shamrocks, Celtic design, and bold green-and-gold palette instantly scream St. Patrick’s Day!Our St. Patrick’s Day Virtual Run is your chance to chase your goals, conquer your miles, and earn your pot of gold the only way that matters: one determined step at a time. Whether you're running your fastest 5K yet or simply getting out there to move, this run is about heart, resilience, a

The race to support kids & families with Autism Spectrum Disorder (ASD) Our cause is to raise awareness and funds to support children with Autism Spectrum Disorder (ASD), their families, and caregivers with the ultimate goal of raising their quality of life. Come join us for a morning of fun and a great cause! 5K Run/Walk course with fun for the whole family. Dogs welcome! Kid’s Run! Bring the kiddos for a full family event!

Welcome to the 2026 edition of the Cougar Mountain Trail Run Series, put on by Seattle Running Club and Northwest Trail Runs. Our events support King County Parks, with $15 of every entry going to KC Parks.    Events May 9: 5.1 Miles & 10.8 Miles 9 AM start for all races, 12:00 PM cut-off (~16:40 pace for 10.8 miles)June 13: 5K, 8.2 Miles & 14.5 Miles9 AM start for all races, 1:00 PM cut-off (~16:35 pace for 14.5 miles)July 11: 5K, 10.8 Miles & 19.5 Miles9 AM start for all race, 2:30 PM cut-off (~16:55 pace for 19.5 miles)August 8: 5K, 14.5 Miles & 26.2 Miles8:30 AM start for the 14.5 and 26.2, 9 AM start for the 5K, 4 PM cut-off (~17:10 pace for the marathon)October 24: 5K, 7.6 Mile Cross Country, 19.5 Miles & 50K8 AM start for the 19.5 and 50K (7 AM early start will be available), 9 AM start for 7.6 Miles and Cross Country event, 9:30 AM start for 5K, 5 PM Cut-off (~17:25 pace for 50K, ~19:30 pace for early start) Series  (BEST 3 OUT OF 4 RACES is eligible for awa

Welcome to the 2026 edition of the Cougar Mountain Trail Run Series, put on by Seattle Running Club and Northwest Trail Runs. Our events support King County Parks, with $15 of every entry going to KC Parks.    Events May 9: 5.1 Miles & 10.8 Miles 9 AM start for all races, 12:00 PM cut-off (~16:40 pace for 10.8 miles) June 13: 5K, 8.2 Miles & 14.5 Miles9 AM start for all races, 1:00 PM cut-off (~16:35 pace for 14.5 miles) July 11: 5K, 10.8 Miles & 19.5 Miles9 AM start for all race, 2:30 PM cut-off (~16:55 pace for 19.5 miles) August 8: 5K, 14.5 Miles & 26.2 Miles8:30 AM start for the 14.5 and 26.2, 9 AM start for the 5K, 4 PM cut-off (~17:10 pace for the marathon) October 24: 5K, 7.6 Mile Cross Country, 19.5 Miles & 50K8 AM start for the 19.5 and 50K (7 AM early start will be available), 9 AM start for 7.6 Miles and Cross Country event, 9:30 AM start for 5K, 5 PM Cut-off (~17:25 pace for 50K, ~19:30 pace for early start)   Series  (BEST 3 OUT OF 4 RACES is eligible f

Welcome to the 2026 edition of the Cougar Mountain Trail Run Series, put on by Seattle Running Club and Northwest Trail Runs. Our events support King County Parks, with $15 of every entry going to KC Parks.    Events May 9: 5.1 Miles & 10.8 Miles 9 AM start for all races, 12:00 PM cut-off (~16:40 pace for 10.8 miles) June 13: 5K, 8.2 Miles & 14.5 Miles9 AM start for all races, 1:00 PM cut-off (~16:35 pace for 14.5 miles) July 11: 5K, 10.8 Miles & 19.5 Miles9 AM start for all race, 2:30 PM cut-off (~16:55 pace for 19.5 miles) August 8: 5K, 14.5 Miles & 26.2 Miles8:30 AM start for the 14.5 and 26.2, 9 AM start for the 5K, 4 PM cut-off (~17:10 pace for the marathon) October 24: 5K, 7.6 Mile Cross Country, 19.5 Miles & 50K8 AM start for the 19.5 and 50K (7 AM early start will be available), 9 AM start for 7.6 Miles and Cross Country event, 9:30 AM start for 5K, 5 PM Cut-off (~17:25 pace for 50K, ~19:30 pace for early start)   Series  (BEST 3 OUT OF 4 RACES is eligible f

Welcome to the 2026 edition of the Cougar Mountain Trail Run Series, put on by Seattle Running Club and Northwest Trail Runs. Our events support King County Parks, with $15 of every entry going to KC Parks.    Events May 9: 5.1 Miles & 10.8 Miles 9 AM start for all races, 12:00 PM cut-off (~16:40 pace for 10.8 miles) June 13: 5K, 8.2 Miles & 14.5 Miles9 AM start for all races, 1:00 PM cut-off (~16:35 pace for 14.5 miles) July 11: 5K, 10.8 Miles & 19.5 Miles9 AM start for all race, 2:30 PM cut-off (~16:55 pace for 19.5 miles) August 8: 5K, 14.5 Miles & 26.2 Miles8:30 AM start for the 14.5 and 26.2, 9 AM start for the 5K, 4 PM cut-off (~17:10 pace for the marathon) October 24: 5K, 7.6 Mile Cross Country, 19.5 Miles & 50K8 AM start for the 19.5 and 50K (7 AM early start will be available), 9 AM start for 7.6 Miles and Cross Country event, 9:30 AM start for 5K, 5 PM Cut-off (~17:25 pace for 50K, ~19:30 pace for early start)   Series  (BEST 3 OUT OF 4 RACES is eligible f