5Ks in Seattle, WA

Relive the 90s with a fun 5K around Seattle's Green Lake, featuring classic tunes and a chance to dress in your favorite throwback attire.

• Fun
• Scenic
• Festive

Sat, Apr 18, 2026, 10:00 AM PDT·3.1 Miles·Seattle, WA

EasygoingRUN

Course · Hilly · Timed race

Seattle's one-of-a-kind 5K where delicious doughnuts are part of the experience.

• Fun
• Quirky

Sun, Apr 19, 2026, 8:30 AM PDT·5K·Seattle, WA

EasygoingRUN

Course · Hilly · Timed race

Channel your inner Jedi or Sith for a galactic 5K adventure celebrating Star Wars Day. Costumes encouraged for maximum fun.

• Fun
• Competitive
• Quirky
• Festive

Sat, May 2, 2026, 10:00 AM PDT·3.1 Miles·Seattle, WA

EasygoingRUN

Course · Hilly · Timed race

Run or walk a 5K in Seattle with Gamma Alpha Omega and Sigma Lambda Beta to support a scholarship and a special cause.

• For a Cause

Sun, May 3, 2026, 10:00 AM PDT·5K·Seattle, WA

Steady EffortRUN

Course · Hilly · Timed race

Run through Seattle's urban core, celebrating the countdown to the FIFA World Cup at this unique 5K.

• Festive

Sat, May 16, 2026, 9:00 AM PDT·5K·Seattle, WA

Steady EffortRUN

Course · Hilly · Timed race

Celebrate unity and legacy on a scenic 5K or 10K run, honoring Mustafa Kemal Atatürk and connecting with the Seattle community.

• Inaugural
• Fun
• Scenic
• Festive

Sun, May 17, 2026, 9:30 AM PDT·5K·Seattle, WA

Steady EffortWALK

Course · Hilly · Walk-focused

Run a 5K in Seattle, WA, and support the West Seattle High School PTSA, connecting with the community in a meaningful way.

• For a Cause

Sun, May 17, 2026, 9:30 AM PDT·5K·Seattle, WA

Steady EffortRUN

Course · Hilly · Timed race

Run or walk a scenic 5K on the UW campus, supporting the One Health Clinic's vital work for youth experiencing homelessness and their animals.

• Scenic
• For a Cause

Sat, May 23, 2026, 10:00 AM PDT·3.16 Miles·Seattle, WA

Steady EffortRUN

Course · Hilly · Timed race

Tackle Seattle's only obstacle course race, enjoy a festive after-party, and support local community outreach.

• Fun
• Competitive
• Quirky
• Festive
• For a Cause

Sat, Jun 6, 2026, 11:00 AM PDT·5K·Seattle, WA

Steady EffortOBSTACLE

Course · Hilly · Walkers welcome

Run or walk for a heartwarming cause at Magnuson Park, supporting children with cancer and their families.

• Fun
• Competitive
• For a Cause

Sun, Jun 7, 2026, 9:00 AM PDT·5K·Seattle, WA

EasygoingRUN

Course · Hilly · Walkers welcome

Run or walk to support multiple myeloma cancer research with a welcoming, family-friendly event in Seattle or virtually.

• Fun
• For a Cause

Sun, Jun 28, 2026, 9:30 AM PDT·5K·Seattle, WA

EasygoingRUN

Course · Hilly · Walkers welcome

Run alongside vibrant parade floats, soak in the cheers, and enjoy a root beer float finish, all while supporting the West Seattle Food Bank.

• Fun
• Quirky
• Festive
• For a Cause

Sat, Jul 18, 2026, 9:30 AM PDT·5K·Seattle, WA

Steady EffortRUN

Course · Hilly · Timed race

Experience a festive twist on summer running with Santa on vacation at this unique Christmas in July 5K.

• Fun
• Quirky
• Festive

Sun, Jul 19, 2026, 10:00 AM PDT·3.1 Miles·Seattle, WA

Steady EffortRUN

Course · Hilly · Timed race

Walk or run a scenic 5K in Seattle's Warren G Magnesun Park to support Ocular Melanoma research and connect with community.

• Fun
• Scenic
• Competitive
• For a Cause

Sat, Jul 25, 2026, 9:00 AM PDT·5K·Seattle, WA

Steady EffortRUN

Course · Hilly · Walkers welcome

Experience a 3.14-mile run with some hills in Seattle's Magnuson Park, offering a straightforward running challenge.

Sat, Jul 25, 2026, 9:00 AM PDT·3.14 Miles·Seattle, WA

Steady EffortRUN

Course · Hilly · Timed race

Run through downtown Seattle at dusk, then celebrate with the iconic Seafair Torchlight Parade and vibrant city festivities.

• Fun
• Scenic
• Festive

Sat, Jul 25, 2026, 6:00 PM PDT·5K·Seattle, WA

Steady EffortRUN

Course · Hilly · Family-oriented

Celebrate Seattle's unique spirit and stunning greenery on this 5K course, designed for city lovers, rain or shine.

• Fun
• Scenic

Sun, Aug 16, 2026, 9:00 AM PDT·3.1 Miles·Seattle, WA

Steady EffortRUN

Course · Hilly · Timed race

Run or walk to raise vital funds and awareness for pediatric cancer research at Seattle Children's, fostering hope and community.

• Fun
• For a Cause

Sun, Sep 20, 2026, 10:00 AM PDT·5K·Seattle, WA

Steady EffortRUN

Course · Hilly · Family-oriented

Kick off the Kraken season with a fun 5K at Green Lake, featuring special guests, a costume contest, and supporting Hockey Fights Cancer.

• Fun
• Competitive
• Quirky
• Festive
• For a Cause

Sat, Oct 3, 2026, 9:30 AM PDT·5K·Seattle, WA

EasygoingRUN

Course · Hilly · Walkers welcome

Run, dance, and celebrate at this electrifying 5K music festival, featuring DJs, light shows, and an after-party, all supporting cancer research.

• Fun
• Quirky
• Festive
• For a Cause

Sat, Oct 10, 2026, 7:00 PM PDT·5K·Seattle, WA

Steady EffortRUN

Course · Hilly · Timed race

Embrace the mystery of the 4th annual Where's Bigfoot 5k, a uniquely themed run on a hilly course in Seattle.

• Quirky

Sat, Oct 17, 2026, 10:00 AM PDT·3.1 Miles·Seattle, WA

EasygoingRUN

Course · Hilly · Timed race

Embrace the Halloween spirit at this ghoulishly fun 5k in Seattle's Green Lake Park, perfect for all ages and fitness levels.

• Fun
• Quirky
• Festive

Sat, Oct 31, 2026, 10:00 AM PDT·3.1 Miles·Seattle, WA

EasygoingRUN

Course · Hilly · Family-oriented

Strut your stuff in your most outrageous holiday sweater at this hilariously festive 5K around Seattle's Green Lake Park.

• Fun
• Quirky
• Festive

Sun, Nov 22, 2026, 10:00 AM PST·3.1 Miles·Seattle, WA

EasygoingRUN

Course · Hilly · Timed race

A festive Thanksgiving 5K at Green Lake, perfect for a PR, team spirit, and giving back to the community.

• Fun
• Scenic
• Competitive
• Quirky
• Festive

Thu, Nov 26, 2026, 9:30 AM PST·5K·Seattle, WA

Steady EffortRUN

Course · Road · Hilly · Timed race