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Races · Japan

Osaka Half Marathon 2027

Osaka Half Marathon 2027 is on Sunday 31 January 2027 (Japan). That is 15 weeks from today.

See the training planOfficial race site

15 weeks to go

Race day
31 January 2027
Where
Japan
Distances
Half Marathon
Countdown
105 days · 15 weeks

Organisers sometimes move a date. Check the official site before you book travel.

Training plan

Training for Osaka Half Marathon

Counted back from race day. These are the dates the plan would run on if you started it now.

half marathon

There is time for the full 14-week half marathon plan. It starts on 25 October 2026; until then, easy running keeps the base.

  1. Base · 6 weeksEasy running. Weekly distance climbs and the long run grows.from 25 Oct
  2. Build · 4 weeksThreshold and tempo sessions come in next to the long run.from 6 Dec
  3. Peak · 2 weeksThe biggest weeks and the longest long run.from 3 Jan
  4. Taper · 2 weeksDistance drops, pace stays. You arrive rested.from 17 Jan
  5. Race day31 Jan
How the half marathon plan works

Train for it with Runapt

Pick Osaka Half Marathon as the goal in the app. The plan counts back from race day and moves when you miss a run.

Download on theApp StoreGet it onGoogle Play

This is the layout the plan builder starts from. In the app it shifts with how long you have been running, and the week moves when you miss a run.

Can you be ready for Osaka Half Marathon?

Fill in your weekly distance and your longest recent run. The check runs on the same engine that builds the plan and says whether this race fits, before you pay for an entry.

Is your goal race realistic?

Free · no signup

Goal finish time (optional)

Computed by the same engine that builds Runapt plans — so this can never clear a race the plan builder would block.

Pace

The pace behind a goal time

Even pace from start to finish, without stops. Training paces are slower than this on most days.

half marathon
Finish timePer kmPer mile
1:30:004:166:52
1:45:004:598:01
2:00:005:419:09
2:15:006:2410:18
2:30:007:0711:27
2:45:007:4912:35
Get training paces from a recent race time

Questions about Osaka Half Marathon

When is Osaka Half Marathon 2027?

Osaka Half Marathon 2027 is on Sunday 31 January 2027 (Japan). That is 15 weeks from today.

Which distances can you run at Osaka Half Marathon?

Osaka Half Marathon offers these distances: Half Marathon.

How many weeks do you need to train for Osaka Half Marathon?

The Runapt half marathon plan runs 14 weeks as standard and 8 weeks at the shortest. That assumes you already run a few times a week. Starting from zero takes longer.

Is it too late to start training for Osaka Half Marathon?

There is time for the full 14-week half marathon plan. It starts on 25 October 2026; until then, easy running keeps the base.

How do you enter Osaka Half Marathon?

Entries are handled by the organiser at half.osaka-marathon.jp. Runapt does not sell race entries; it builds the training plan.

More races

Other races in Japan

Kanazawa Marathon25 October 2026 · Kanazawa City, Japanmarathon1 week to goKobe Marathon15 November 2026 · Japanmarathon4 weeks to goHofu Yomiuri Marathon6 December 2026 · Japanmarathon7 weeks to goFukuoka International Marathon6 December 2026 · Japanmarathon7 weeks to goNara Marathon13 December 2026 · Japanmarathon8 weeks to goOsaka Women’s Marathon31 January 2027 · Japanmarathon15 weeks to go

Races around the same date

Funchal Marathon31 January 2027 · Funchal, Portugalhalf marathon · marathon15 weeks to goMG Vadodara International Marathon31 January 2027 · Indiahalf marathon · marathon15 weeks to goMarathon & Semi-marathon International de Marrakech31 January 2027 · Moroccohalf marathon · marathon15 weeks to goThai Sikh Run31 January 2027 · Khet Phra, Thailandhalf marathon15 weeks to goJohannesbad Thermen-Marathon31 January 2027 · Germanyhalf marathon · marathon15 weeks to goMuscat Marathon29 – 30 January 2027 · Ruwi Muscat, Omanhalf marathon · marathon14 weeks to go
All races

Start with a free plan.

Download Runapt and build your first training week. The free plan has no time limit.

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