
Cinco de Mayo
Portland, OR • April 25, 2026
13.1M10K5K
The Cinco de Mayo Run kicks off in Portland’s scenic Sellwood Riverfront Park, where runners can take in views of the Willamette River, tree-lined paths, and the city’s lively spring atmosphere. Offering a Half Marathon, 10K, and 5K, the course blends urban charm with riverside beauty. Finishers are greeted with warm, cheesy quesadillas—because every great run deserves a delicious fiesta at the finish line!
Loading registration info...
Other Races by Negative Split

Santa Run
December 13, 2025
Coeur d'Alene, ID

Swag Run
February 21, 2026
Spokane, WA

Shamrock Shuffle
March 7, 2026
Spokane, WA

The Split
April 4, 2026
Spokane, WA

Windermere Marathon
May 9, 2026
Spokane, WA

CDA Marathon
May 24, 2026
Coeur D'Alene, ID

Hiawatha Spring Trail Run
May 30, 2026
Taft, MT

Grateful Dad
June 13, 2026
Oak Grove, OR

Mt. Spokane Trail Run
September 13, 2026
Mead, WA

Hayden Lake Marathon
October 10, 2026
Hayden Lake, ID

The Spokane Marathon
October 11, 2026
Spokane, WA
Please visit the official race website and registration page to confirm all details, as information may change.