Big Rock Triathlon

Three great triathlons on the same day at the Lake Perris SRA!   You choose the one that’s right for you, Olympic, Sprint or Off-Road MTB.  Just ask anyone who has raced BIG ROCK and they will say it’s worth a TRI! 

Use the code “RaceShed” to take 10% OFF registration!

1.5 k. SWIM, 40 k. BIKE, 10k RUN

BR Olympic Triathlon is a road bike triathlon (paved roads). The Big Rock Triathlon is staged in an area that is only a short drive from Los Angeles, Orange County and San Diego. It is also close to the Ontario Airport for those athletes traveling from Northern California or other states and countries. The course will Be flat and fast with a calm lake swim, 2 short climbs on the bike and a flat out and back run. Limited to the first 800 entrants.

1/2mi SWIM,12mi BIKE,3mi RUN

The Big Rock Sprint Triathlon is a road bike tri on paved roads and is staged in an area that is only a short drive from Los Angeles, Orange County and San Diego. It is also close to the Ontario Airport for those athletes traveling from Northern California or other states and countries. The course will Be flat and fast with a calm lake swim, short climb on the bike and a flat out and back run. Limited to the first 800 entrants

1/2 Mile Swim, 10-15 mi Bike, 3 mi run
The In The Dirt MTB Tri is staged in an area that is only a short drive from Los Angeles, Orange County and San Diego. Lake Perris SRA is in Riverside County and is bordered by the City of Perris and the City of Moreno Valley. The course will feature a calm lake swim, a multi loop MTB course with fire road and single track. There will be some climbing with fun descents and rolling single track. Great for hard core and first timers alike (beginners may have to walk some sections), finish with a 3mi run, limited to the first 300 entrants.