Spring Greetings! The 2021 UW Cherry Blossom Run heads to Seward Park and Lake Washington Blvd Trail! Let your running come to life as the sun returns and the landscape starts to bloom!

2021 Half Marathon Long Sleeve Shirt and 5K Tshirt

100% Polyester tech shirts with tagless soft collar.

2021 Finisher Medals

Large round medal with a movable cloud to cover or reveal the sun!

Self Massage and Bathe with Mad Ritual!

Sore from life? We're under a double amount of stress, aren't we!?

During registration you'll see optional DISCOUNTED Mad Ritual add-on items to enhance your post race experience.

Discover self massage with a CBD balm in a tin or relax with CBD infused bath bombs, or get BOTH for double the post race rejuvenation!

These make excellent GIFTS for that special someone too. Try 'em out! We'll have them ready for pick up at the Start/Finish line.

Cross the finish line with Mad Ritual! It's TLC in a tin and you can recover your body like a champ!

Explore the Benefits of CBD Balms!

Looking for another way to relax? Get naked (Ahem! At home.) and bathe in the new CBD infused bath bombs!

Explore the Benefits of Bath Bombs!


Seward Park near entrance, Saturday April 17th & Sunday April 18th.

Pick up your race bib at the race start / finish line at Seward Park no sooner than 5 minutes before your scheduled race wave start.

If you deferred from last year’s race and have not picked up your 2020 medal or shirt, you can come get those items at Seward Park near the Finish Area after the race as well as pick up this year's swag!


Neighborhood street parking is available directly across from the Seward Park main entrance.

There is minimal parking inside Seward Park near the entrance.



Is the live race happening in 2021?

Yes! April 17th and 18th starting at Seward Park.

Is there half marathon pacing?

No not this year, due to wave starts.

Can I pick up bibs/swag for friends or family?

Yes! It helps us with social distancing.

Are dogs allowed?

Yes fur babies are allowed, on leash or course.

What will the races be like?

Small waves of runners every 10 minutes.
Courses are out and back along the picturesque Lake Washington. Consider dressing in layers as it could be chilly.

Are the races chip timed?

Yes, by Rainier Timing. All results scored by chip time.

If I signed up for last year's canceled race and haven't gotten my swag how do I get it?

You can pick up your 2020 & 2021 swag at the Finish Area!


  • Saturday April 17th and/or Sunday April 18th, from 8 AM to 4 PM!

  • The 5K distance is scheduled on both weekend days and small waves of runners will go every 10 minutes between the hours of 8 AM and 4 PM!

  • Currently, the half marathon start times are scheduled for Sunday every ten minutes between the hours of 8 AM and 12 PM. If we get enough half marathon registrations we will expand waves into the afternoon as well.

  • Please don't arrive to the green check-in tent for your bib any sooner than 5 minutes before your schedule race wave time.


Please review the COVID-19 Safety Plan link below to learn in detail what to expect on race day regarding Covid-19 precautions. We'll also be emailing the Safety Plan to all registrants the week of the race.

In summary, expect small waves of runners every 10 minutes, 6 feet social distancing from others outside your family, and face coverings throughout the event.

COVID-19 Safety Plan

UW Cherry Blossom Run 2019 Recap

Interested in More?!

Receive periodic Rainier Running & Rainier Timing updates about upcoming races we organize or chip time!

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