Garmin Olathe Marathon

Olathe, KS, USA · April 24, 2027
partly-cloudy-day53°·65° high·Breezy·Dry
9
Register

Race Day Weather

partly-cloudy-day
53°at start
68° high
Breezy
Dry

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 189 days
partly-cloudy-night9
partly-cloudy-night9
partly-cloudy-night9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8

Pace Calculator

Distance: 26.2mi
0:00:00
HH:MM:SS
Pace
—
Weather Adj.
—
Common Goals:

Get forecast alerts for Garmin Olathe Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Plan

Get your personalized Garmin Olathe 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

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

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
7
Conditions
Rain Freq
19%
4 of 21 yrs
Wind13mph
Dew44°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-day
54°/73°-
8
2025
cloudy
53°/55°-
9
2024
partly-cloudy-day
43°/52°-
8
2023
clear-day
35°/45°-
6
2019
clear-day
35°/53°-
8
2018
cloudy
48°/53°Light
9
2017
cloudy
47°/60°-
7
2016
clear-day
56°/68°-
7
2015
clear-day
61°/62°Light
7
2014
partly-cloudy-day
53°/71°Light
7
2013
clear-day
33°/49°-
8
2012
clear-day
38°/60°-
8
2011
cloudy
38°/51°-
5
2010
clear-day
47°/71°-
7
2009
clear-day
44°/61°-
6
2008
partly-cloudy-night
38°/48°-
6
2007
partly-cloudy-night
58°/64°-
7
2006
clear-day
62°/69°-
8
2005
clear-day
56°/77°-
7
2004
clear-day
70°/79°-
6
2003
partly-cloudy-day
59°/70°Light
7