Event Description Get dirty with a trail duathlon (sprint distance). Register with a partner or go solo. 5k run, 15k mountain bike, 5k run. http://www.ocdirtyduathlon.com Event Location & Accomodations Trending Events Dr. John Seaman Memorial 5k Run/Walk/Bike Medal Madness 5K, 10K, & 13.1M at Highland, UT (38) Moonlight 5K