OneAmerica 500 Festival Mini-Marathon

Indianapolis, IN, USA · May 2, 2026
partly-cloudy-day41°·47° high·Light·Dry
8
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Race Day Weather

partly-cloudy-day
41°at start
52° high
Light
Dry

Cool start, mild finish

Runners will face a temperature increase from 42°F at the start to 52°F by the finish, with a mild average humidity of 62%. Winds will shift from headwinds in the early miles to tailwinds from Mile 8 to 12, providing an advantageous boost. Adjust pacing during the headwind sections, particularly in Miles 2, 4, and 7, and take advantage of the tailwind to maintain speed in the later stages.

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Pace Calculator

Distance: 13.1mi
0:00:00
HH:MM:SS
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Common Goals:

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Race Plan

Get your personalized OneAmerica 500 Festival Mini-Marathon race plan

Weather-adjusted pacing, per-mile terrain splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.

Race Conditions
Terrain Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

Race Info

The OneAmerica 500 Festival Mini-Marathon, which takes place in Indianapolis, Indiana, is the largest half marathon in the United States, and the seventh-largest running event in America. As of the 37th running in 2013, it had sold out the entire running field of 35,000 for twelve consecutive years. Wikipedia

FAQ

When is the 2026 OneAmerica 500 Festival Mini-Marathon?

The 2026 OneAmerica 500 Festival Mini-Marathon will be held on Saturday May 2, 2026.

What is the time limit for the OneAmerica 500 Festival Mini-Marathon?

The time limit for the OneAmerica 500 Festival Mini-Marathon is 3 hours.

What will the weather be like for the 2026 OneAmerica 500 Festival Mini-Marathon?

The forecast calls for a high of 57°F and a low of 41°F with a 7% chance of rain.

Historical Weather

Based on 30 years of data
Avg Temp
60°F
L:53° H:60°
RunScore
8
Conditions
Rain Freq
13%
4 of 30 yrs
Wind9mph
Dew48°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
rain
57°/58°Light
9
2024
cloudy
63°/68°-
9
2023
cloudy
57°/62°-
9
2022
cloudy
52°/56°-
7
2020
cloudy
55°/67°-
9
2019
partly-cloudy-day
54°/67°-
8
2018
partly-cloudy-day
56°/65°-
8
2017
cloudy
45°/51°Light
8
2016
partly-cloudy-day
58°/66°-
8
2015
partly-cloudy-day
50°/63°-
8
2014
partly-cloudy-day
46°/56°-
8
2013
partly-cloudy-day
60°/61°-
8
2012
partly-cloudy-day
63°/70°-
9
2011
partly-cloudy-day
53°/56°Light
9
2010
cloudy
47°/48°-
5
2009
partly-cloudy-day
48°/53°-
8
2008
partly-cloudy-day
55°/63°-
8
2007
cloudy
62°/65°-
9
2006
clear-day
46°/53°-
8
2005
partly-cloudy-day
52°/68°-
9
2004
clear-day
52°/64°-
9
2003
partly-cloudy-day
46°/53°-
8
2002
partly-cloudy-day
48°/54°-
9
2001
partly-cloudy-day
64°/66°-
8
2000
partly-cloudy-day
61°/73°-
8
1999
clear-day
47°/61°-
9
1998
cloudy
55°/59°-
9
1997
partly-cloudy-day
51°/52°-
6
1995
partly-cloudy-day
48°/59°-
9
1994
cloudy
50°/51°Light
6