Cinco de Mayo – Negative Split

Two Days. Two Marathons. One Weekend. 🏅

Two Days. Two Marathons. One Weekend. 🏅

Find a Race
Washington Races
SWAG RUN

SHAMROCK SHUFFLE

THE SPLIT

WINDERMERE MARATHON

SPOKENYA RUN

RUN THE NIGHT GLOW 5K

MT. SPOKANE TRAIL RUN

THE SPOKANE MARATHON

WILD MOOSE CHASE

HUFFIN’ FOR THE STUFFIN’

Idaho Races
SPRING DASH

CDA MARATHON

HIAWATHA SPRING TRAIL RUN

HIAWATHA FALL TRAIL RUN

HAYDEN LAKE MARATHON

HALLOWEEN HUSTLE

SANTA RUN

Oregon Races
CINCO DE MAYO

TIMBERLINE MARATHON

GRATEFUL DAD

THE GREAT PUMPKIN RUN

VIEW ALL RACES
About Us
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Who is Negative Split?
We’re a team of fitness junkies working our butts off to make sure you have a killer experience on event day.

shop
What We Do
We organize unforgettable races and events throughout the Pacific Northwest. Year over year, we have shown increases in participation and revenue.

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NEGATIVE SPLIT NEWS FEED
Check out what’s happening in the running & fitness community throughout the Pacific Northwest.

Meet the team
What We Do
News Feed
Get Involved
For Race Planners
shop
Chip Timing Services
Our services deliver accurate results and live updates to keep runners and spectators connected every step of the way.

shop
Race & Event Production
We provide anywhere from complete start-to-finish organization to managing just the smaller details for your events.

shop
Equipment Rentals
We have a full warehouse of equipment ready to meet all of your event needs.

Learn More
Learn More
Learn More

About Us
shop
Who is Negative Split?
We’re a team of fitness junkies working our butts off to make sure you have a killer experience on event day.

shop
What We Do
We organize unforgettable races and events throughout the Pacific Northwest. Year over year, we have shown increases in participation and revenue.

shop
NEGATIVE SPLIT NEWS FEED
Check out what’s happening in the running & fitness community throughout the Pacific Northwest.

Meet the team
What We Do
News Feed
News Feed
Get Involved
For Race Planners
shop
Chip Timing Services
Our services deliver accurate results and live updates to keep runners and spectators connected every step of the way.

shop
Race & Event Production
We provide anywhere from complete start-to-finish organization to managing just the smaller details for your events.

shop
Equipment Rentals
We have a full warehouse of equipment ready to meet all of your event needs.

Learn More
Learn More
Learn More

About Us
shop
Who is Negative Split?
We’re a team of fitness junkies working our butts off to make sure you have a killer experience on event day.

shop
What We Do
We organize unforgettable races and events throughout the Pacific Northwest. Year over year, we have shown increases in participation and revenue.

shop
NEGATIVE SPLIT NEWS FEED
Check out what’s happening in the running & fitness community throughout the Pacific Northwest.

Meet the team
What We Do
News Feed
News Feed
Get Involved
For Race Planners
shop
Chip Timing Services
Our services deliver accurate results and live updates to keep runners and spectators connected every step of the way.

shop
Race & Event Production
We provide anywhere from complete start-to-finish organization to managing just the smaller details for your events.

shop
Equipment Rentals
We have a full warehouse of equipment ready to meet all of your event needs.

Learn More
Learn More
Learn More

Cinco de MayonsplitWP2026-08-03T16:06:23-07:00

eventsq-cinco

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MAY 2, 2027

MAY 2, 2027

HALF MARATHON • 10K • 5K

HALF MARATHON • 10K • 5K

HALF MARATHON • 10K • 5K

RACE DETAILS

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LOCATION

PORTLAND, OR

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RACE TYPE

ROAD

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ATHLETE GUIDE

Check out the official Athlete Guide for all the important race details, such as packet pickup location and times, race schedule, race village location, and more runner information.

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COURSE DETAILS

Celebrate Cinco de Mayo with a energetic weekend run through Portland! Starting and finishing at Sellwood Park, you’ll cruise the scenic Springwater Corridor with festive runners before crossing the finish line for a fiesta with some well-earned quesadillas!

COUNTDOWN TO RACE DAY

WHY I RUN THE CINCO DE MAYO

“Great course that was clean and well maintained with so many wonderful volunteers!”

CINCO DE MAYO PARTICIPANT

OFFICIAL RACE CHARITY PARTNER

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GO THE DISTANCE

Go The Distance (GTD) is a 501(c)(3) nonprofit organization that, through partnerships with local rehabilitation centers, advocates for sobriety through fitness and unity. We promote recovery through fitness, community, and compassion.

MORE INFO

RACE SPONSORS

Check out the incredible sponsors who make this race possible with their generous support and help make the event possible for our running community.

VOLUNTEER

Find volunteer opportunities such as packet pickup, race check-in, course monitor, and more.

Sign Up to Volunteer

RESULTS & PHOTOS

Search for your live or virtual race results, view past winners, and view your race photos.

Find My Results

Have a Question About The Cinco de Mayo?