Firewater Ultra
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Firewater Ultra : Greenback, TN
Firewater Ultra is a trail event on the East Lakeshore Trail along the east coast of the Tellico Reservoir in Greenback, Tennessee. The races use the trail system end-to-end and return to the same southern finish at the Wildcat Pointe Trailhead (Trailhead #10). The northern turnaround is at the Canal Branch Trailhead (Trailhead #1).
Distances and formats:
- 100K out-and-back covering the entire trail.
- 50K Sunrise bus to the northern end, then run back to the finish.
- 50K Sunset later bus to the northern end, then run back to the finish; headlamps recommended.
- 50K - 2 Per Relay two runners split the 50K course into two legs.
- 25K Ruck roughly 22.5K, covers the second half of the 50K course.
Ruck specific rules: backpack weights are measured dry; weight classes are male/non-binary 30 lb, female 15 lb, boys under 15 20 lb, girls under 15 10 lb. Weigh-ins occur about 30 to 60 minutes before the start. Weight must be in stamped plates or equivalent and may not be reduced during the event. Each ruck finisher receives a custom patch and will weigh in at the finish to receive it.
Additional notes: organizers will provide hoodie sweatshirts and will place the shirt order on October 16. Optional live tracking is available for each race via Webscorer. Entry fees in 2026 range from USD 87.50 to USD 147.27. Registration closes on October 24, 2026. Visit the organization's website for the most recent information.