Garmin Olathe Marathon

Olathe, KS, USA · April 24, 2027

53°·65° high·Breezy·Dry

Weather

Race Day Weather

53°at start

68° high

Breezy

Dry

Mild start, warming trend ahead

Runners will face a temperature rise from 53°F at the start to 63°F by race end, with humidity at 66%. A tailwind will assist from miles 2-12, but a headwind will challenge runners from miles 13-27. To optimize performance, pacing should be conservative in the early miles, especially with potential humidity effects.

Race day forecast available in 167 days

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Distance: 26.2mi

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Race Info

Join us for a marathon, half marathon, 10k, Munchkin Marathon or Senior Walk through the beautiful streets and trails of Olathe. This year marks the 22nd anniversary of the event (click here to learn more about the history!) The city of Olathe is 20 minutes southwest of downtown Kansas City, located in Johnson County, Kansas. Come experience our Midwest charm in the Land of Oz. Source

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FAQ

When is the 2027 Garmin Olathe Marathon?

The 2027 Garmin Olathe Marathon will be held on Saturday April 24, 2027.

Is the Garmin Olathe Marathon a Boston Marathon Qualifier?

Yes, the Garmin Olathe Marathon is an official Boston Marathon qualifier.

What is the time limit for the Garmin Olathe Marathon?

The time limit for the Garmin Olathe Marathon is 6.5 hours.

What will the weather be like for the 2027 Garmin Olathe Marathon?

The forecast calls for a high of 70°F and a low of 50°F with a 13% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 21 years of data

Avg Temp

61°F

L:49° H:62°

RunScore

Conditions

Rain Freq

19%

4 of 21 yrs

Wind13mph

Dew44°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Garmin Olathe Marathon Clear conditions throughout the day. 2026	54°/73°	-	53°
2025 Garmin Olathe Marathon Cloudy skies throughout the day. 2025	53°/55°	-	47°
2024 Garmin Olathe Marathon Partly cloudy throughout the day. 2024	43°/52°	-	23°
2023 Garmin Olathe Marathon Partly cloudy throughout the day. 2023	35°/45°	-	26°
2019 Garmin Olathe Marathon Clear conditions throughout the day. 2019	35°/53°	-	24°
2018 Garmin Olathe Marathon Partly cloudy throughout the day. 2018	48°/53°	Light	31°
2017 Garmin Olathe Marathon Clearing in the afternoon with early morning rain. 2017	47°/60°	-	36°
2016 Garmin Olathe Marathon Partly cloudy throughout the day. 2016	56°/68°	-	54°
2015 Garmin Olathe Marathon Partly cloudy throughout the day with rain in the morning and afternoon. 2015	61°/62°	Light	59°
2014 Garmin Olathe Marathon Partly cloudy throughout the day with morning rain. 2014	53°/71°	Light	47°
2013 Garmin Olathe Marathon Partly cloudy throughout the day. 2013	33°/49°	-	25°
2012 Garmin Olathe Marathon Clear conditions throughout the day. 2012	38°/60°	-	37°
2011 Garmin Olathe Marathon Partly cloudy throughout the day with early morning rain. 2011	38°/51°	-	31°
2010 Garmin Olathe Marathon Clear conditions throughout the day. 2010	47°/71°	-	39°
2009 Garmin Olathe Marathon Clear conditions throughout the day. 2009	44°/61°	-	37°
2008 Garmin Olathe Marathon Partly cloudy throughout the day. 2008	38°/48°	-	32°
2007 Garmin Olathe Marathon Partly cloudy throughout the day with early morning rain. 2007	58°/64°	-	54°
2006 Garmin Olathe Marathon Clear conditions throughout the day. 2006	62°/69°	-	53°
2005 Garmin Olathe Marathon Clear conditions throughout the day. 2005	56°/77°	-	56°
2004 Garmin Olathe Marathon Partly cloudy throughout the day with late afternoon rain. 2004	70°/79°	-	67°
2003 Garmin Olathe Marathon Partly cloudy throughout the day with morning rain. 2003	59°/70°	Light	58°

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