TYathlon Sprint Triathlon & 5K
About this race
Swim, bike and run around beautiful Lake Mahopac in support of childhood cancer research. If a sprint triathlon is not your speed, join us for our 5K! The 5K is family-friendly, and allows for strollers on the course. The sprint triathlon brings together a combination of seasoned pros (our elite field is fierce!) as well as many beginners who are just getting their start in the triathlon world. It is typically a gorgeous morning with perfect fall-like weather in the Hudson Valley.
This is our 14th year of celebrating the important work being done to help change the landscape for children diagnosed with cancer. All proceeds support the Ty Louis Campbell Young Investigator Fund at New York-Presbyterian Weill Cornell.
The TYathlon Sprint Triathlon & 5K brings an exciting Sprint Triathlon, Sprint Triathlon Relay, 4.3K to Mahopac, New York on September 19, 2026. Don't miss this beautiful event!
Pick your distance
Triathlon
Sprint Triathlon
.25 mile swim in Lake Mahopac (in-water start) 10.5 mile bike (two loops) around Lake Mahopac 2.7 mile run *this distance is to prioritize the safety of our participants
Sprint Triathlon Relay
.25 mile swim in Lake Mahopac (in-water start) 10.5 mile bike (two loops) around Lake Mahopac 2.7 mile run *this distance is to prioritize the safety of our participants A minimum of two and maximum of three participants are allowed.
Running
Family-Friendly 5K
The 5K brings together a mix of experienced runners and those looking to take a stroll around gorgeous Lake Mahopac. Strollers are welcome, you can walk, jog, or run it. All participants receive an event t-shirt and finisher medal.
Weather Overview
These values represent the 1-year monthly averages for September in Mahopac.
About Mahopac
TYathlon Sprint Triathlon & 5K takes place in Mahopac, New York, United States. The local timezone is America/New_York.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
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