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Atomic Kids Fall Triathlons

Overview

Triathlon · 5K · 1 mi · 1.5 mi · 5 mi · 75 mi

Sep 26, 2026 · Oak Ridge, Tennessee, US

Annual tradition since 2026

Perks & Swag
Swag included

The read

Run Vibes summary

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Original listingRegistration & details — Full description from sourceExpand the official listing text (unchanged)

Come join this youth event of triathlon hosted by National Fitness Center for kids ages 2-14! Register for a choice of 3 races:

Long Sprint - 8:00 am start - 100 yard swim/3.0 mile bike/1 mile run

Mid Sprint - 8:45 am start - 50 yard swm/1.5 mile bike/.5 mile run

Tadpole Sprint - 9:20 am start - 25 yard swim/.75 mile bike/.5 mile run

 

Ages 2 to 14, can do any race based on distance and start time. For the tadpole sprint, the kids can watch the first race to get an example of how it's done. They are allowed to make use of water wings or a floatation device to help them "get their feet wet" in the sport of triathlon. The smaller kids may also use training wheels in the shorter distance.

Finisher medal for each participant, age group awards for Long and Mid sprint.

The swim will take place in the pool at the National Fitness Center in Oak Ridge at 750 Briarcliff Ave. The bike route will go out to Fairbanks road turn left, to Jefferson Middle School and turn around in the looped parking lot and then head back to transition. The sprint race does 2 laps. Run course goes out to Laboratory Dr and loops back around for sidewalk route back to Home Depot entrance back to finish line at National Fitness Center Parking lot. 2 loops for longer distance. The tadpole bike course will remain solely in the parking lot in a blocked-off section for safety and parental support. The run will follow the same course as the longer race, only with an escort if needed. 

 

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