Secret City Half Marathon
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Secret City Half Marathon and 5K
The Secret City Half Marathon and 5K take place in Oak Ridge, Tennessee, centered at Melton Lake Park peninsula (697 Melton Lake Drive, Oak Ridge, TN 37830). The event includes in-person and virtual options across a multi-day window in November 2026.
Course details:
- Half marathon, USATF certified TN15066MS
- 5K, USATF certified TN15077MS
- Virtual half marathon, complete Nov 14 to Nov 28, 2026
- Virtual 5K, complete Nov 14 to Nov 28, 2026
The half marathon route begins at the Melton Lake Park peninsula and runs along Melton Lake, passes an operational quarry, continues on a tree lined private road, weaves through Oak Ridge, and finishes along the water at the peninsula. The 5K route starts and finishes at the peninsula, follows the lake edge to Elza Gate Park, and returns along the walking trail to the peninsula.
Packet pickup is scheduled the week before the race at the Oak Ridge Chamber of Commerce. Virtual participants complete their runs between Nov 14 and Nov 28, and event swag for virtual entries is mailed after Nov 28. The event supports the Keystone Adult Day Program; at the time of this listing $1,482 has been raised toward a $3,000 goal. Refunds are not offered, but registrations may be deferred up until race morning. Visit the organization's website for the most recent information.
