Husky vs Cougar Rivalry Clash 5K & 10K

5K, 10K

Event Date

Sun, Oct 5, 2014


Redmond, WA

About This Activity

Be a loyal fan and take an active part in Washington's largest in-state rivalry! Settle the score with your fellow fans and runners in this epic event!

The second annual Husky vs Cougar Rivalry Clash 5K and 10K at Marymoor Park is part of the Rivalry Clash Race Series, the largest rivalry run series in the nation!

Celebrate Washington's rivalry tradition in this scenic & chip-timed 5K and 10K race and after party.

The event supports Team Challenge Crohn's & Colitis FoundationSeattle Children's Hospital, InterConnection, and Give Your Sole.

Please visit our Facebook page at "Rivalry Clash Race Series" for awesome photos to get you fired up! Be sure to "like" us for exclusive offers, updates, and photos. Help grow this tradition of Washington rivalry!

You'll enjoy lots of free goodies: everything from Speed Stick deoderant samples, Kind energy bars, Vita Coco water, free chiropractic adjustments and massages, Oh Boy Oberto jerky, food trucks, Muscle Milk, prizes and more!


* Finisher shirt and medal included with registration. 

* Two separate starting areas where fans will face off for a rivalry "clash."

* More volunteers and more course markings for a great race experience.

* We will start the 10K first at 8:30 AM and the 5K around 9 AM. 

* Runners stay to the right half of the cones on the Sammamish River Trail at all times to allow for people to pass on the left safely. Also watch for bikers and other pedestrians as we cannot close down the Sammamish River Trail.

Event details and schedule

1. Packet Pick-Up/Mini Expo, 1 location, 2 days:

Friday, Oct. 3rd, Road Runner Sports, Seattle / Green Lake, WA from 3 PM to 7 PM.

Saturday, Oct. 4th, Road Runner Sports, Seattle/Green Lake, WA from 10 AM to 5 PM.

2. The Course:

Chip timed, flat, fast, and beautiful! Over 90% of the course is paved trail winding around Marymoor Park as well as the Sammamish River Trail. Strollers and dogs on leash are welcome! But will start near the back.

3. Arrival Info:

Enter through the West Marymoor Park entrance  by 8 AM. The course traverses the East entrance twice so if you drive in late you may be very late.

4. Parking Info:

$1 per car towards King County Parks. Carpooling is obviously best. Marmoor Park staff will guide you as you enter. Biking is always encouraged.

5. What to Bring:

Bring your school spirit! Also bring any tailgating items you might want such as a tent and chairs (no cooking equipment please).

Bring your dog(s) on leash if you can. Marymoor Park boasts the largest off leash dog park in King County where you can bring them after the race and tailgate party.

6. What to Wear:

Wear your school gear and colors. Wear school colored running costumes if you can. We won't judge! Or will we???

7. Gear Check & Same Day Registration:

We will have a secure and staffed Gear Check enclosed truck near the start line where you can place clothes, purses, wallets, etc. Look for the Gear Check sign.

8. FAQ

Is the course stroller friendly?


Are chilren 12 and under free?

Yes, email us at for your code. We even have a bouncy house for those young 'uns.

Are walkers welcome?

Yes, but we ask that walkers register for the 5K and start near the back of the crowd.

Any other questions email

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