Olathe Marathon
Race snapshot
Race Day
48–70°F · Feels mild
Total elevation gain
Relatively flat course · Net elevation change +0 ft
Crowd Rating
Moderate spectator support
The Lowdown
The Garmin Olathe Marathon starts at 6:45 am on Saturday, April 24, 2027, at Garmin World Headquarters in Olathe, Kansas, and finishes there. The course is USATF certified, so the marathon counts as a Boston Marathon qualifier. The event began in 2003 as the Olathe Marathon and is now hosted by Garmin; it runs alongside a half marathon and a 10K. Runners start in waves by estimated finish time, with aid stations about every 1.5 to 2.5 miles. Entries are final: no refunds, no deferrals and no transfers.
Questions about the Olathe Marathon 2027
When is the Olathe Marathon 2027?
Saturday, April 24, 2027.
Where is the Olathe Marathon?
Olathe, Kansas, United States.
What time does the Olathe Marathon start?
The race starts at 6:45 AM, local time.
What is the Olathe Marathon time limit?
6.5 hours from the last corral's release.
How do I enter the Olathe Marathon 2027?
Registration is open. Apr 23, 2027: Online registration closes.
How much does the Olathe Marathon 2027 cost?
Marathon: $95.
What is the Olathe Marathon elevation gain?
150 m (492 ft) of total elevation gain. Net elevation change: +0 m (0 ft). Relatively flat course.
What is the weather like at the Olathe Marathon?
Race-day temperatures are usually 9–21 °C (48–70 °F). Feels mild.
Where are the Olathe Marathon results?
The official 2026 results are on the organizer's site. Official results
Is the Olathe Marathon a Boston qualifier?
Yes. This race is a certified Boston Marathon qualifying event.
Prepare for This Race
Running this race?
MarathonOS puts your race countdown on your Lock Screen and keeps every race-week checklist on your phone. Checklists and your race report are free for your first race.

Scan to download
Community
Race Day Photos
Share the scenery, finish-line celebrations, and behind-the-scenes snapshots.