
Race Date
Apr 18, 2026
Location
Seattle, WA
BE PART OF THE LEGION OF BLOOM!
Come run, walk, stroll, or crawl with us through Seward Park and along South Lake Washington Boulevard, surrounded by the breathtaking beauty of cherry blossoms. APRIL 18, 2026: 5K, 10K, & HALF-MARATHON 2026 will offer 5K, 10K, and Half-Marathon runs! All runs will extend onto Lake Washington Blvd to take in the blossoms along the outer stretch of the park. We are happy to announce this year we will have parking options available within the park! Cross the finish line under our signature inflatable arch and celebrate spring in full bloom! Follow us on Facebook and Instagram, and don’t forget to tag #CherryBlossomRun in your photos and videos. Let’s bloom together in this exciting new chapter. We can’t wait to see you there!
Race Day
Saturday, April 18, 2026
Start Time
7:30 AM
Giveaway
Premium Unisex Race Top
Start Location
5900 Lake Washington Blvd S, Seattle, WA, 98118
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Net Drop/km
-2.61 m
Separation
4.6%
Also Offers
USATF Certified Course
WA22002RMB · Expires 2032 · Seattle Cherry Blossom Half Marathon
Net downhill course — fast finishing times are common. Loop course — start and finish are close together.
View Course Map
Download gpx file
Median Finish
2:05:49
9:36/mi
Winning Time
1:08:26
5:13/mi
Finishers (2025)
1,659
States Represented
38 / 50
Gender Split
FASTER 25%
1:51:04
MEDIAN
2:05:49
SLOWER 25%
2:22:34
Start (Low)
41°
Afternoon (High)
58°
Ideal racing weather — cool and comfortable
0.1"
Precipitation
13 mph
Wind
72%
Humidity
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