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Brought to you by the Cal Poly Triathlon Club, a race open to all.
The March Triathlon Series is the longest-running collegiate triathlon on the West Coast. The event started as a senior project in 1998 and was held on campus at Cal Poly. Race participants joined from Cal Poly, Santa Barbara, and Cal Berkeley with a total of 15 racers.
MTS is proudly hosted by the Cal Poly Triathlon Team. All proceeds from the event help provide our athletes low-cost club team membership, affordable gear, as well as discounted race entries and travel fees to collegiate races throughout California and to Collegiate Nationals.
Race day is Sunday, March 9th, 2025, at the Lopez Lake Marina.
Registration closes Thursday, March 6th at 11:59pm
IRONMAN 70.3 California
Oceanside, California offers triathletes a chance to race in the city that birthed the sport in the early 1970's in Mission Bay. Oceanside is located at the northern end of San Diego's North County, which includes the beach communities of Del Mar, Cardiff, Encinitas, and Carlsbad—home to a mixture of surf, triathlon, and beach culture. Just half an hour south lies the city of San Diego, with its world-famous zoo, parks, and other attractions to fill a spring break vacation. Just two hours away from the local mountains, skiing and snowboarding are other options.
Lake San Antonio Triathlon
Saturday, April 26, 2025
Alpha Win is proud to announce that it will be adding a new race to its California lineup: the Alpha Win Lake San Antonio Triathlon! Standing by the motto, “A Distance For Everyone,” Alpha Win Lake San Antonio features Sprint, Olympic and Long Course triathlon distances, coupled with aqua bike and duathlon. Just a short drive from Paso Robles, come swim, bike, and run through the rolling hills and beautiful scenery that is Lake San Antonio!
Alpha Sprint: 750 meter swim; 12.4 mile bike; 3.1 mile run
Alpha Olympic: 1,500 meter swim; 24.8 mile bike; 6.2 mile run
Alpha Long Course: 1.2 mile swim; 52 mile bike; 13.1 mile run
2025
The race starts with a swim in beautiful Lake Mission Viejo for the triathletes and a quick 2k run on Aliso Creek Bike Path for the duathletes.
The bike courses make their way up El Toro Road and into Santiago Canyon where the turnaround is in sight of Irvine Lake. Athletes will fly back to T2 located at ithe ntersection of El Toro Road and Marguerite.
The run course starts off downhill but don't be fooled. What goes down has to go up. Athletes will make their way back to Lake Mission Viejo via a mixture of road, trails, and walking paths. Hills for sure.
Finish downhill into the parking lot at Lake Mission Viejo and sprint it out along the beach to the finish line!