Running Races in Oak Ridge, Tennessee 2026 | Browse All Races

There are 9 running races in Oak Ridge, Tennessee in 2026. The next is the ORCMA Spring Classic 5K & Fun Run on April 18. Distances include 5K races, half marathons, trail runs.

ORCMA Spring Classic 5K & Fun Run

Sat, Apr 18 · Oak Ridge, TN Oak Ridge

Road Fun Run Mile5K Run/Walk

From $10 Open Closing Soon

Atomic Kids Summer Splash Triathlons

Sat, May 30 · Oak Ridge, TN Oak Ridge

Triathlon Triathlon Long SprintTadpole TriathlonTriathlon Mid Sprint

From $20 Open

Secret City Sprint Triathlon

Sat, Jun 27 · Oak Ridge, TN Oak Ridge

Triathlon Sprint Triathlon Mixed RelaySprint Triathlon ClydesdaleSprint Triathlon Aquabike +2

From $70 Open

Haw Ridge Trail Race

Sat, Jul 11 · Oak Ridge, TN Oak Ridge

Trail Kids Trail MileKids Trail Mile (Bundle)8 Mile (Student 14 and under) +2

From $9 Open

Oak Ridge Fall Classic 5k

Sat, Aug 29 · Oak Ridge, TN Oak Ridge

Virtual Oak Ridge Fall Classic 5KOak Ridge Fall Classic Sleep-In VIRTUAL 5k

From $25 Open

Bootleg Marathon

Sun, Sep 6 · Oak Ridge, TN Oak Ridge

Road Half MarathonMarathon

From $45 Open

Atomic Kids Fall Triathlons

Sat, Sep 26 · Oak Ridge, TN Oak Ridge

Triathlon Tadpole TriathlonTriathlon Long SprintTriathlon Mid Sprint

From $25 Open

Secret City Half Marathon and 5K

Sat, Nov 14 · Oak Ridge, TN Oak Ridge

Virtual Virtual Secret City 5kSecret City 5KSecret City Half Marathon +1

From $25 Open 14 spots left

Oak Ridge to Kingston Express Marathon & Half Marathon

Sun, Feb 28 · Oak Ridge, TN Oak Ridge

Road O2K Half Marathon- MARCHO2K Half MarathonO2K Marathon +1

From $40 Closed 49 spots left

Running Races in Oak Ridge, Tennessee — 2026

All Tennessee Races