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Osaka Marathon 2027

✓ Verified date — February 28, 2027
Date
February 28, 2027
Location
Osaka, Japan
Distance
42.2 km
Difficulty
Not rated
Field
30,680 finishers

The 2027 Osaka Marathon takes place on Sunday, February 28, 2027 in Osaka, Japan. A flat, fast urban course starting in front of the Osaka Prefectural Government Building and finishing inside Osaka Castle Park. Race-week weather is typically 3°C to 11°C.

Training for the Osaka Marathon?

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The course

A flat, fast urban course starting in front of the Osaka Prefectural Government Building and finishing inside Osaka Castle Park. It runs through central Osaka past landmarks including Tenjinbashi-suji shopping street, Midosuji Boulevard, Osaka City Hall, the Central Public Hall, Namba, and Kyocera Dome Osaka. The 2024 redesign reduced turnaround points from five to three, making it faster and smoother. Total elevation change is only about 20-30 m; the surface is road and the course is WA/JAAF/AIMS certified.

Course summary source: osaka-marathon.com

Course map & elevation

Distance

42.4 km

Elevation gain

29 m

Elevation loss

33 m

High / low

25 / 3 m

0 km3 m – 25 m42.4 km

🛰️ Community-sourced GPX with DEM-corrected elevation — not an organizer-verified course.

Race-week weather

Typical high

11°C

Typical low

3°C

Year-to-year swing

±1.3°C

Rain

2.7 mm/day

Based on 2020-2025 of race-week history, with peak gusts around 22 km/h.

Difficulty

ClimbingNot rated
DownhillNot rated
Heat1/3
Altitude0/3

Race facts

Official race site
osaka-marathon.com ↗
Start time
09:15
Field size
30,680 finishers (2026)
Boston qualifier
Yes

Distances: 42.2 km

When is the Osaka Marathon 2027?

The 2027 Osaka Marathon takes place on Sunday, February 28, 2027.

Training for the Osaka Marathon?

Coach Icarus builds your plan around your fitness and your schedule.

Download on the App StoreGet it on Google PlayTrain on the web →

Predict your finish time

Enter one recent race result and get predicted finish times across 5K, 10K, half marathon, and marathon.

Race Time Predictor
Enter a recent race result to predict your finish time at another distance, using Riegel's formula.
Hours
Minutes
Seconds

Predicted Finish Time

52:07

Pace / km

5:13

Pace / mile

8:23

DistancePredicted Time
5K25:00
10K52:07
Half Marathon1:55:00
Marathon3:59:47

Predictions assume similar fitness, course, and conditions — they are a starting point for goal setting, not a guarantee.

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