Fiery Gizzard Run

NOV
28
2026
Trail race on the Fiery Gizzard Trail between Grundy Forest and Foster Falls with marathon, half and ruck options, capped at 175 entrants.
Sat 28 Nov 2026
26 miles 13 miles

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Fiery Gizzard Run

The Fiery Gizzard Run is a trail event on the Fiery Gizzard Trail in South Cumberland State Park, Tennessee, running from Grundy Forest to Foster Falls on the Cumberland Plateau. It takes place on the Saturday of Thanksgiving weekend and is limited to 175 entrants by park policy.

The route combines long, runnable plateau miles with steep, technical descents and climbs through gorges. Notable features along the course include waterfalls, large boulders, two-hundred-year-old hemlocks, the Blue Hole, Sycamore Falls, Black Canyon, and the Raven’s Point overlook. Stone steps cut by the Civilian Conservation Corps appear in sections near the Fruit Bowl.

Aid stations are placed about 6 to 8 miles apart because vehicle access is limited; participants should carry their own water and nutrition between stations. The race is cupless and provides gels, water, electrolytes, and snacks at aid stations. Timing is electronic with an RFID chip. Dogs on leash are permitted on course and on the race shuttle.

Three distances are offered:

  • Marathon full traverse there and back, roughly 3,800 feet of gain
  • Half Marathon one full traverse, slightly over 13.1 miles
  • 13 Mile Ruck loaded pack division, weight rules apply

A portion of the event proceeds supports park and trail maintenance. Visit the organization's website for the most recent information.

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