Marathons in Tokyo
12 upcoming marathons in Tokyo, Japan.
8 cities
Busiest: March
From €11
Upcoming races
![Tokyo Challenge Marathon 2027 [JAAF Certified] - Marathon (42.195 km)](/_next/image/?url=https%3A%2F%2Fmedia.finndu.app%2Fassets%2Fimg%2F20640cb236e3ec74577933c56c1bd7a969d507b39c252d5b34b59afa209f51e0.jpg&w=3840&q=70)
![Shinjuku City Half Marathon / Kochi Ryoma Marathon [Collaboration Agreement Slot]](/_next/image/?url=https%3A%2F%2Fmedia.finndu.app%2Fassets%2Fimg%2Fa1b25f7e833ab5450d8194f5a220af7b24c0fdd77f452fe009848105cd736493.jpg&w=3840&q=70)
![2027 Itabashi City Marathon [First Full Marathon Finish Support Slot]](/_next/image/?url=https%3A%2F%2Fmedia.finndu.app%2Fassets%2Fimg%2Fd96fc9e8b4f6bf9248f61648074a651c1e48b7e23c5d387958b0d8a7710e610c.jpg&w=3840&q=70)
Your guide to marathons in Tokyo, Japan
There are 12 upcoming marathons in Tokyo, Japan, spread across 8 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.
Most take place in March, January and February. Next up is 5th Asakusa Riverside Relay Marathon - Relay Marathon 42.195 km in Taito City on 7 November 2026.
Questions runners ask
How many marathons in Tokyo, Japan are there?
Finndu lists 12 upcoming marathons in Tokyo, Japan, across 8 towns and cities. The list is updated twice a day as organisers announce new races.
When is the next one?
5th Asakusa Riverside Relay Marathon in Taito City, on 7 November 2026.
Which month has the most marathons in Tokyo, Japan?
March, followed by January and February.
How much does it cost to enter?
Entry starts from JP¥2,000. Fees vary from race to race, so check each race page for its current price.