Kansas City Marathon
Race Day Weather
Cool start, warming up, wind shifts
Runners will face a temperature increase from 48°F at the start to 65°F by the finish, with a maximum wind of 9 mph shifting from headwind to tailwind throughout the race. With average humidity at 62%, maintaining hydration and adjusting pace will be crucial, especially as temperatures rise. The toughest conditions will occur between miles 8 and 21 with persistent headwinds, while tailwinds will provide relief from miles 2-7 and 18-26.
Pace Calculator
Get forecast alerts for Kansas City Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized Kansas City 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 Info
The Kansas City Marathon offers marathon, half marathon, 10K, and 5K distances through Kansas City, Missouri, starting and finishing near the Nelson-Atkins Museum of Art. The course passes the National WWI Museum and Memorial, Country Club Plaza, Waldo, Westport, and the 18th & Vine Jazz District. Held annually in mid-October, the marathon and half marathon are USATF certified and the marathon is a Boston Marathon qualifier. First run in 1979 as the Macy's Marathon, it was renamed the Kansas City Marathon in 1984.