OneAmerica 500 Festival Mini-Marathon

Indianapolis, IN, USA • May 2, 2026

Race Day Weather

53°

63° high

Breezy

Dry

Cool start, gradual warming

Runners will face a temperature rise from 53°F at the start to 62°F by the finish, with average humidity at 74%. Wind will start as a crosswind for the first five miles, shifting to a tailwind for miles 6-7, before becoming a headwind in mile 8. Runners should hydrate frequently and consider pacing conservatively, especially during the headwind stretch.

Race day forecast available in 11 days

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

Pre-raceRace windowPost-race

Pace Calculator

Distance: 13.1mi

Target Finish Time

0:00:00

HH:MM:SS

Pace

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Weather Adj.

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Common Goals:

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 66°F and a low of 53°F with a 0% chance of rain.

Historical Weather

Based on 30 years of data

Avg Temp

60°F

L:53° H:60°

RunScore

Conditions

Rain Freq

13%

4 of 30 yrs

Wind9mph

Dew48°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 OneAmerica 500 Festival Mini-Marathon Cloudy skies throughout the day with rain. 2025	57°/58°	Light	53°
2024 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2024	63°/68°	-	61°
2023 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2023	57°/62°	-	46°
2022 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day with early morning rain. 2022	52°/56°	-	42°
2020 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day with early morning rain. 2020	55°/67°	-	47°
2019 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2019	54°/67°	-	52°
2018 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2018	56°/65°	-	52°
2017 OneAmerica 500 Festival Mini-Marathon Clearing in the afternoon with morning rain. 2017	45°/51°	Light	38°
2016 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day with morning rain. 2016	58°/66°	-	50°
2015 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2015	50°/63°	-	45°
2014 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2014	46°/56°	-	40°
2013 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day with late afternoon rain. 2013	60°/61°	-	44°
2012 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2012	63°/70°	-	63°
2011 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day with rain. 2011	53°/56°	Light	46°
2010 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2010	47°/48°	-	35°
2009 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day with morning rain. 2009	48°/53°	-	45°
2008 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day with rain. 2008	55°/63°	-	52°
2007 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2007	62°/65°	-	59°
2006 OneAmerica 500 Festival Mini-Marathon Clear conditions throughout the day. 2006	46°/53°	-	38°
2005 OneAmerica 500 Festival Mini-Marathon Becoming cloudy in the afternoon with late afternoon rain. 2005	52°/68°	-	46°
2004 OneAmerica 500 Festival Mini-Marathon Clear conditions throughout the day. 2004	52°/64°	-	51°
2003 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2003	46°/53°	-	46°
2002 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2002	48°/54°	-	36°
2001 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 2001	64°/66°	-	56°
2000 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day with afternoon rain. 2000	61°/73°	-	62°
1999 OneAmerica 500 Festival Mini-Marathon Clear conditions throughout the day. 1999	47°/61°	-	36°
1998 OneAmerica 500 Festival Mini-Marathon Cloudy skies throughout the day. 1998	55°/59°	-	55°
1997 OneAmerica 500 Festival Mini-Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 1997	51°/52°	-	48°
1995 OneAmerica 500 Festival Mini-Marathon Partly cloudy throughout the day. 1995	48°/59°	-	43°
1994 OneAmerica 500 Festival Mini-Marathon Cloudy skies throughout the day with rain clearing later. 1994	50°/51°	Light	50°

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