In 83 days · Sat, Oct 17, 2026
Don't let race day sneak up
One email during race week. That's it.
Saturday, October 17th, 2026
775 Yellowwood Lake Rd, Nashville IN
Ultra · Marathon · Half
48–67°F · some rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
49–72°F
dry
2024
36–62°F
dry
2023
47–62°F
dry
2022
38–49°F
dry
2021
44–65°F
dry
2020
38–62°F
dry
2019
39–58°F
dry
2018
40–57°F
dry
2017
44–66°F
dry
2016
66–82°F
dry
Best months to race in Indiana →
About this race
RACE DATE
October 17th, 2026.
DISTANCE
8 Mile, 13.1, 26.2, 50k, 50k (2-4p Relay)
GUIDEBOOK
CLICK HERE or see below
CAMPING
Festival-Style camping available at the race site (Right by Start/Finish)
- Accommodation: Tent Only, no amenities, pit toilets & porta potties
- Cost: $5 per person, pay at registration or RunSignUp (store).
- Sites: There are 74 primitive sites 1 mile south of the event site
- Registration: Register upon arrival at Forest Service Office.
Additional Lodging: Brown County State Park, Nashville IN Hotels, Story Inn, Explore Brown County.
START/FINISH
DOUBLE FEATURE SAVINGS
- Discount: Run the 50K and receive 10% off ultra distance for Jackson County Ultras & Tecumseh 50k!
- Email us: for 20% off code if you have already registered. You may use the bundle option during registration.
- Members: ITR Members get 25% off. (Discount should auto apply with Member info at Check-out!)
POST-RACE EXPERIENCE (Food for 2026 pending, will delete when official)
- Awards: Finisher Medals & Age Group Awards (Top 3 M/F in each AG)
- Engravings: On-site custom finish engravings "FREE" by RTB awards
- Food: Mashed potato bar with choice of Chicken Noodle or Veggie (Vegan) Soup (Officially pending)
- Activities: Fire pit, SMORES BUFFET, live music, yard games (Cornhole, KanJam, etc)
HOODIES/T-SHIRTS
Optional to keep entry fees lower.
EVENT COMMITMENT
DINO and Indiana Trail Running are committed to providing another excellent experience in the 25th running of this fall classic trail run race! We have worked hard at keeping true to its name "Tecumseh Trail Challenge" redesigning the race around the railroad closure to provide a more nostalgic course we know runners will be excited about! Come run with us through demanding, challenging, yet beautifully rewarding terrain during the autumn colors this fall as we create something special together!
TECUMSEH HIKING TRAIL
Learn about the entire 42-mile Tecumseh Hiking Trail here! Visit the link for training run schedules & other events.
RESULTS UPDATE
As we have swapped from Ultrasignup to Runsignup we will be slowly working to post previous year results on Runsignup. Results are not gone, it's just a time-consuming process.
Course map
Train with a club
Run clubs near Nashville to train with before race day.
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