Cinco de Mayo Half Marathon, 10K & 5K | Fun Run Atlas | RMN
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Cinco de Mayo Half Marathon, 10K & 5K

Every finisher gets a hot quesadilla at a Cinco de Mayo fiesta finish along the Willamette.

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Fun Run Atlas · Oregon

Holiday and seasonal · Portland, OR

Cinco de Mayo Half Marathon, 10K & 5K is a holiday fun run in Portland, Oregon, with no upcoming dates listed.

Season completedFamily friendly
When
Last held Sun, May 3, 2026; next date TBA
Start 9:00 AM (half)
Weekend nearest May 5
Where
Sellwood Riverfront Park
SE Spokane St & SE Oaks Park Way
Portland, OR 97202 · Multnomah
Directions
Entry
$20-$125
Register
Organized by
Negative Split

What to expect

  • quesadilla at finish
  • kids dash
  • chip timed
  • river path

2026 Season completed

May 3, 2026

  • Sun, May 3, 2026

2027 Not announced

2027 not announced

Date TBA

About the run

A Negative Split race weekend on the Springwater Corridor from Sellwood Riverfront Park, with finisher shirt, medal and quesadilla.

The run

Distances
Half marathon, 10K, 5K, Kids fun run
Occasion
Cinco de Mayo
Season
Spring
Swag
Quesadilla, shirt, medal
Benefits
Go The Distance

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.