Garmin Olathe Marathon

Olathe, KS, USA · April 24, 2027
partly-cloudy-day53°·61° high·Breezy·Dry
8
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Race Day Weather

partly-cloudy-day
53°at start
68° high
Breezy
Dry
Your goal
0:00:00

Steady temps, mixed winds

Runners will face temperatures starting at 53°F and peaking at 67°F. Winds will vary, with tailwinds from miles 2-12 benefiting runners, while headwinds from miles 13-27 will challenge their pace. Humidity is at 66%, so adjusting pace to conserve energy is advised, especially during the later stages. With a light chance of rain, staying hydrated will be essential for optimal performance.

Race day forecast available in 195 days
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Pace Calculator

Distance: 26.2mi
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Race Plan

Get your personalized Garmin Olathe Marathon race plan

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

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

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

Race weekend

Saturday, April 24
6:45 AMMarathon (26.2 mi)
Half Marathon (13.1 mi)
10K (6.2 mi)

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
51°F
L:49° H:55°
RunScore
8
Conditions
Rain Freq
14%
3 of 21 yrs
Wind11mph
Dew41°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-night
54°/65°-
7
2025
cloudy
53°/54°-
9
2024
partly-cloudy-night
43°/46°-
9
2023
clear-night
35°/41°-
9
2019
clear-night
35°/46°-
10
2018
partly-cloudy-night
48°/50°-
10
2017
partly-cloudy-night
47°/53°-
9
2016
clear-night
56°/63°-
7
2015
partly-cloudy-night
61°/62°Light
6
2014
clear-night
53°/56°Light
9
2013
clear-night
33°/43°-
10
2012
clear-night
37°/52°-
10
2011
cloudy
38°/39°-
8
2010
clear-night
47°/62°-
9
2009
clear-night
44°/53°-
9
2008
partly-cloudy-night
38°/41°-
9
2007
partly-cloudy-night
58°/62°-
7
2006
clear-night
62°/64°-
7
2005
clear-night
55°/67°-
7
2004
clear-day
68°/75°-
4
2003
clear-night
59°/62°Light
6