Atomic Kids Fall Triathlons logo
triathlon

Atomic Kids Fall Triathlons

Date
September 26, 2026
Distance
Triathlon Long Sprint · Triathlon Mid Sprint · Tadpole Triathlon

From the Organizer

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. 

 

Distances & Pricing

Triathlon Long Sprint8 AMRegister →
Triathlon Mid Sprint8 AMRegister →
Tadpole Triathlon8 AMRegister →

Race Location

About This Sport

From Endurance Grid's Founder

Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.

Three sports, one race — swim, bike, run in sequence, with transitions that are a discipline of their own.

Open water, open roads, and competition with yourself. Cross the finish line knowing what it took to get there.

Triathlon

Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think.

Frequently Asked Questions (FAQs)

What is the Atomic Kids Fall Triathlons?
Atomic Kids Fall Triathlons is a triathlon event held in Oak Ridge, TN. Learn more about the different endurance sports here.
When and where is the Atomic Kids Fall Triathlons?
Saturday, September 26, 2026 in Oak Ridge, TN at 750 Briarcliff Ave, Oak Ridge, TN. Check the official event page for exact start times and wave schedules.
How do I register for the Atomic Kids Fall Triathlons?
Registration is handled through their official registration page. Confirm pricing, distances available, and sign up there.

Atomic Kids Fall Triathlons

Sep 26, 2026

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