Races Marathon · Olathe, USA
Garmin Olathe Marathon
Garmin Olathe Marathon is a rolling marathon in Olathe, USA, held each April. The route runs through residential streets, commercial areas and paved suburban trails near Garmin's headquarters. It rolls throughout, with the biggest climb or drop around 24 km (mile 15). Late April in eastern Kansas is mild and can be wet, with typical race-morning temperatures of 4 to 16°C. The rises around Olathe are small but relentless — train on similar terrain and race by effort, not pace.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
April
next: Saturday 24 April 2027
Course
rolling
Marathon
Conditions
Late April in eastern Kansas is mild and can be wet, with typical race-morning temperatures of 4 to 16°C.
Racing this course well
The route runs through residential streets, commercial areas and paved suburban trails near Garmin's headquarters. It rolls throughout, with the biggest climb or drop around 24 km (mile 15).
The rises around Olathe are small but relentless — train on similar terrain and race by effort, not pace.
Getting a place
- How you get in
- Open entry: first come, first served
- Price
- $95 (2027 race)
Official Garmin Olathe Marathon site →Checked November 2026
Race day
- Next race
- Saturday 24 April 2027
- Start time
- 06:45
- Time limit
- 6.5 hours
- Pacers
- Garmin SmartPacer groups, flagged by finish time
- Also on the day
- half-marathon, 10k
The course in numbers
The largest climb or drop comes around 24 km (mile 15). A checkpoint at 29 km (mile 18) sits on the trail towards Northwood Trails.
- Layout
- Mostly out-and-back
- Surface
- Paved streets and suburban trails
- Total climb
- 270 m (890 ft)
- Total descent
- 270 m (890 ft)
- Course status
- USATF certified
- Boston qualifier
- Yes
Worth knowing
- First run in 2003.
- The race has a Land of Oz theme, with costumed volunteers and themed aid stations.
- Runners start in waves by estimated finish time.
- The course support time runs from when the last corral is released.
Pick your goal for Olathe
Pace charts, weekly structure and timelines for the most common marathon goals:
The date shown is the one the organiser has announced. Change it if yours differs.
Build your training around Garmin Olathe Marathon.
RunV works backwards from race day to today. Your plan adapts when life interrupts, and you approve every change. It does not adapt to this specific course — the pacing guidance above is where the course knowledge is.
Everything above stays free and complete — this is an optional next step, not a paywall.
Asked often
- When is the Garmin Olathe Marathon?
- The next Garmin Olathe Marathon is on Saturday 24 April 2027 in Olathe, USA. It is held each April.
- Is the Garmin Olathe Marathon course flat?
- The route runs through residential streets, commercial areas and paved suburban trails near Garmin's headquarters. It rolls throughout, with the biggest climb or drop around 24 km (mile 15).
- How do I enter the Garmin Olathe Marathon?
- Open entry: first come, first served. Price: $95 (2027 race).
- Is the Garmin Olathe Marathon a Boston qualifier?
- Yes. The Garmin Olathe Marathon is run on a certified course, so a time set here can be used to apply for the Boston Marathon.
- How should I train for the Garmin Olathe Marathon?
- Build for the course you'll actually race at the Garmin Olathe Marathon: rolling terrain, April conditions. RunV Premium builds a training plan around your goal time and race date, and lets you adapt it when life interrupts the Olathe build.
Not sure what to target? Predict your marathon time from a recent race →
More marathon races
Supplements research for this distance
Build for Olathe — around your actual life
RunV engineers your block backwards from race day in April — and adapts it when training doesn't go to script. You approve every change.

