Secret City Half Marathon
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Secret City Half Marathon and 5K - Oak Ridge, TN
The Secret City Half Marathon and 5K is offered in person on November 14, 2026, with virtual options available November 14 to November 28, 2026. The event is based at Melton Lake Park peninsula in Oak Ridge, Tennessee, with the listed address 697 Melton Lake Drive, Oak Ridge, TN 37830.
The half marathon route begins and ends at the Melton Lake Park peninsula, runs along Melton Lake, passes an operational quarry, follows a tree-lined private road, and continues through Oak Ridge before finishing by the water. The half marathon course is USATF certified with certification number TN15066MS.
The 5K also starts and finishes at the Melton Lake Park peninsula. The 5K course follows the lake edge to Elza Gate Park, then returns along the walking trail. The 5K course is USATF certified with certification number TN15077MS.
Packet pick up is scheduled the days before and on race morning, with Thursday pick up at the Oak Ridge Chamber of Commerce and race morning pick up on site. Virtual participants have until November 28 to complete their distance and will receive race items by mail after that date. Refunds are not offered; registrations may be deferred up to race morning.
Distances Visit the organization's website for the most recent information.
- Half marathon - USATF certified course starting and finishing at Melton Lake Park peninsula.
- 5K - out-and-back route to Elza Gate Park along Melton Lake.
- Virtual half marathon - complete between November 14 and November 28.
- Virtual 5K - complete between November 14 and November 28.
