Tecumseh Trail Marathon

Nashville, IN, USA · October 17, 2026

45°·64° high·Breezy·Dry

Weather

Race Day Weather

45°at start

64° high

Breezy

Dry

Cool start, warming trend

Runners will face a comfortable temperature rise from 45°F at the start to a peak of 63°F. A light SW wind at 8 mph will provide minimal resistance, while humidity sits at 65%. Given the conditions, runners should plan for gradual hydration and consider pacing conservatively as temperatures increase.

Race day forecast available in 27 days

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Distance: 26.2mi

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Race Info

The Tecumseh Trail Marathon runs through Yellowwood State Forest in Brown County, in south-central Indiana, on a mix of narrow forest trail, wide fire road, gravel, dirt, and short paved sections. The course has about 3,500 feet of total elevation gain. It runs in mid-to-late October, during peak fall foliage in the area. Aid stations are spaced every 2-3 miles along the route.

Website

FAQ

When is the 2026 Tecumseh Trail Marathon?

The 2026 Tecumseh Trail Marathon will be held on Saturday October 17, 2026.

What is the time limit for the Tecumseh Trail Marathon?

The time limit for the Tecumseh Trail Marathon is 10.25 hours.

What will the weather be like for the 2026 Tecumseh Trail Marathon?

The forecast calls for a high of 67°F and a low of 47°F with a 10% chance of rain.

Historical Weather

Based on 21 years of data

Avg Temp

53°F

L:41° H:56°

RunScore

Conditions

Rain Freq

24%

5 of 21 yrs

Wind9mph

Dew38°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Tecumseh Trail Marathon Partly cloudy throughout the day with late afternoon rain. 2025	61°/81°	Light	60°
2024 Tecumseh Trail Marathon Clear conditions throughout the day. 2024	40°/71°	-	40°
2023 Tecumseh Trail Marathon Clear conditions throughout the day. 2023	47°/74°	-	44°
2022 Tecumseh Trail Marathon Clear conditions throughout the day. 2022	52°/79°	-	51°
2020 Tecumseh Trail Marathon Partly cloudy throughout the day. 2020	46°/57°	-	35°
2019 Tecumseh Trail Marathon Partly cloudy throughout the day with rain. 2019	50°/63°	Moderate	53°
2018 Tecumseh Trail Marathon Cloudy skies throughout the day. 2018	43°/54°	-	42°
2017 Tecumseh Trail Marathon Cloudy skies throughout the day. 2017	36°/39°	-	28°
2016 Tecumseh Trail Marathon Clear conditions throughout the day. 2016	65°/80°	-	55°
2015 Tecumseh Trail Marathon Cloudy skies throughout the day with rain. 2015	65°/73°	Light	62°
2014 Tecumseh Trail Marathon Clearing in the afternoon. 2014	57°/76°	-	54°
2014 Tecumseh Trail Marathon Partly cloudy throughout the day with rain clearing later. 2014	36°/46°	-	35°
2012 Tecumseh Trail Marathon Partly cloudy throughout the day. 2012	48°/64°	-	44°
2011 Tecumseh Trail Marathon Clearing in the afternoon. 2011	42°/59°	-	35°
2010 Tecumseh Trail Marathon Cloudy skies throughout the day with afternoon rain or snow. 2010	30°/32°	Light	29°
2009 Tecumseh Trail Marathon Clear conditions throughout the day. 2009	13°/32°	-	13°
2008 Tecumseh Trail Marathon Partly cloudy throughout the day with snow in the morning and afternoon. 2008	25°/33°	Light	23°
2007 Tecumseh Trail Marathon Partly cloudy throughout the day. 2007	27°/36°	-	16°
2006 Tecumseh Trail Marathon Clear conditions throughout the day. 2006	21°/39°	-	19°
2004 Tecumseh Trail Marathon Clear conditions throughout the day. 2004	30°/54°	-	35°
2003 Tecumseh Trail Marathon Partly cloudy throughout the day. 2003	30°/45°	-	30°