2 triathlon events in Madera County, California
From big races to Saturday morning group runs—find triathlon events and connect with the local endurance sports community.
Madera County
2 events in Madera County-
Sun, Apr 19, 2026 at 7:00 AMSee full details
What will you find at the "Crows Nest" Triathlon?
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Finisher's Medal
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Prizes and Giveaways
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Free Race Photos
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Get an Event T-Shirt included in the price of the triathlon
The Millerton Lake Sprint Triathlon has long been known as a great "first lake swim" triathlon, and a warm up for the upcoming season. But don't let the bike and run distances fool you, there are a few steep hills on the ride, and the trail portion of run is a challenge.
More of a good thing... The Olympic Distance has a more challenging swim, two loops of the bike course, and two loops of the run course with a trail run heading out, a paved road coming back and beautiful Millerton Lake as the backdrop.
Note:
A USAT membership is required for the Triathlon, (but not the 5k/10k) If you do not have one, you can purchase one during the registration process. Per USAT rules, multisport participants must present ID and USAT membership card at packet pickup.
Total participation at this event is capped at 200. Register before it is sold out.
There is a $10 vehicle entrance fee.
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Sun, Aug 23, 2026 at 7:00 AMSee full details
USAT Sanctioned Super Sprint Triathlon.
Perfect for beginners, or a tune-up before your next big race.
400 yd swim | 5.4 mile bike | 2.2 mile run
Swim: Starting in the water at Millerton, athletes will utilize Millerton Lake Boat Launch. Athletes will swim 400 yards around buoys, back to the boat ramp, exit the water and proceed to the Transition Area.
Bike: Starting at the Transition Area, athletes will make their way north towards the Millerton park entrance, to the turnaround at the top Millerton Lake SRA sign. The bike is out and back with rolling hills. Returning to the transition area.
Run: Run is all asphalt road. Starting at the Transition Area, athletes head north from the parking lot along the street for approximately 1.1 miles towards the Millerton park entrance to the turn around, (at the crosswalk), and back to the finish line.