東京マラソン takes place on Sun, Mar 7, 2027 in Tokyo, Japan. The main route is 42.2 km.
- Date
- Sun, Mar 7, 2027
- Start
- Tokyo 🇯🇵
- Distance
- 42.2 km
- Level
- Open to all
Your 22-week plan to 東京マラソン
The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
Build my planFree to start · No credit card
The Tokyo Marathon is a world-class Abbott World Marathon Majors race starting at the Tokyo Metropolitan Government Building and finishing at the Tokyo Station/Gyoko-dori avenue.
What this race demands
The Tokyo Marathon demands sustained aerobic endurance and pacing discipline over a standard 42.2-kilometer road racing distance.
Aerobic Endurance
Covering 42.2 kilometers requires a high capacity to sustain continuous forward motion and efficiently manage glycogen stores over several hours.
Musculoskeletal Durability
The repetitive impact of road running over the full marathon distance demands high resistance to muscular fatigue and joint stress.
Athletes should target 60 to 90 grams of carbohydrates per hour to sustain energy output across the full duration of the marathon.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
3:45–4:30
Peak-week training
5–7 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Your road to race day
Race day at 東京マラソン is 22 weeks away. This is how a coach divides that time. The first phase starts now.
01Base10 weeks · Oct 5, 2026 – Dec 13, 2026
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Dec 14, 2026 – Jan 24, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Jan 25, 2027 – Feb 14, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Feb 15, 2027 – Feb 28, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Mar 1, 2027 – Mar 7, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is 東京マラソン?
東京マラソン takes place on Sun, Mar 7, 2027 in Tokyo, Japan.
How long is 東京マラソン?
The main route is 42.2 km.
What does 東京マラソン demand?
The Tokyo Marathon demands sustained aerobic endurance and pacing discipline over a standard 42.2-kilometer road racing distance.
Who is 東京マラソン for?
東京マラソン is open to all participants.
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