It looks like the 19th Ashiyahama Shiokaze Ultramarathon 2026 will be held at Miratap Park Ashiya (Ashiya City General Park) on Sunday, October 4.

A new full marathon division (42.195 km) has reportedly been added this year. It could be a great tune-up race before marathon season!
19th Ashiyahama Shiokaze Ultramarathon 2026
When is it?
Sunday, October 4, 2026 ※Held rain or shine
Start times vary by event: the 70 km race starts at 8:00, the 50 km at 9:00, the full marathon at 10:00, and the 30 km at 11:00. The races and closing ceremony will conclude at 16:30.
Where is it?

Miratap Park Ashiya (Ashiya City General Park) will serve as the race headquarters and check-in location.
Here it is on the map ↓
The address is 1-1 Yokocho, Ashiya, Hyogo.
What will happen at the event?
- A marathon held on the Ashiyahama Seaside Course (out-and-back course), a 5 km route each way (10 km round trip) 🌊
- There are 70 km and 50 km ultramarathon divisions—distances longer than a full marathon—as well as a shorter 30 km division.
- A new 42.195 km full marathon has been added this year, with a time limit of 6 hours and 30 minutes 🏃
- The much-talked-about “Taiwan sandals” will have a special exhibit. Ultrarunner Ami Nakano will also attend as an invited athlete 👡
- Finishers will receive a finisher’s certificate in a clear file folder 🏅
- A marathon course preview event with a canoeing experience will also be held on Saturday, August 29 🛶
How much does it cost?
70 km: ¥7,000 / 50 km: ¥6,000 / Full marathon (42.195 km): ¥6,000 / 30 km: ¥5,000
Accident insurance is included in the entry fee. Running guides may participate free of charge.
What is the capacity?
150 participants per division, accepted on a first-come, first-served basis
Who can participate?
Participants must be at least 18 years old. Entrants in the 70 km division must have previously completed a race of at least 20 km, while entrants in the 50 km, full marathon, and 30 km divisions must have completed a race of at least 10 km.
How to apply
Register through the external website “moshicom.” Applications will be accepted from Wednesday, June 17 through Monday, August 31.
For event details, see → here (Ashiyahama Athlete Club)
In closing
This year marks the 19th edition of the ultramarathon, and it looks like a full marathon division has been added for the first time. The application deadline is Monday, August 31, and entries are accepted on a first-come, first-served basis, so if you’d like to take part, be sure to sign up soon!
マラソン、走ったことある?


