The 46th Tateyama Wakashio Marathon is scheduled to take place on Sunday, January 25, 2026, in Tateyama City, Chiba Prefecture, Japan. Participants can expect a mid-winter running environment, as January in Tateyama typically features cool to cold temperatures with average highs around 9°C (48°F) and lows near 1°C (34°F), making for fast conditions if the weather is clear. The event offers three distinct race categories: a full marathon covering 42.195km, a 10km run, and a 2km fun run, catering to a wide range of fitness levels. The course is set within the scenic coastal city of Tateyama, providing a unique backdrop for runners.
What is the official name and date of the event?
→Official Name: 46th Tateyama Wakashio Marathon
→Date: January 25, 2026 (Sunday)
What distances are available for this event?
→Full Marathon (42.195km)
→10km race
→Fun run (2km)
What are the start times for each race?
→Marathon: 10:00 AM
→10km: 10:50 AM
→Fun run 2km: 11:00 AM
What are the eligibility requirements for each race?
→Marathon: Age 15 or older
→10km: Age 15 or older
→Fun run 2km: Teams of up to 4 members. The team must include 1 participant aged 15 or older, and other participants must be aged 6 or older.
How much does registration cost?
→Marathon: 9,000 yen
→10km: 5,000 yen
→Fun run 2km: 4,000 yen
→Note: A handling fee and other fees will be charged separately.
When is the entry period?
→Entry Period: September 14, 2025 – November 13, 2025
→Note: Entries will close once maximum capacity is reached.
What are the time limits for the races?
→Marathon: 6 Hours
→10km: 1 hour 30 minutes
→Fun run 2km: 20 minutes
What are the checkpoint times for the marathon?
→10km: 11:25
→21km: 12:50
→27km: 13:40
→33km: 14:30
What is the race schedule for the marathon?
→Start: 10:00
→End of race: 16:00
What is the race schedule for the 10km?
→Start: 10:50
→End of race: 12:20
What is the race schedule for the 2km fun run?
→Start: 11:00
→End of race: 11:20
What awards are available?
→General Category: 1st to 3rd place for men and women.
→Age Categories: 1st to 8th place for men and women in the following age groups: 15-19, 20-29, 30-39, 40-49, 50-59, 60-69, and over 70.
→Participation Awards:
• Marathon Finishers: Finisher's Medal.
• Fun Run: Original towel and a participation gift (one per group) provided by Shiseido Japan Co., Ltd., and a Finisher's Medal (one per group).
Is the event postponed for rain?
→No, the event will take place regardless of rain; there is no postponement.
How do participants receive their race bibs?
→Race bibs can be picked up at the Tateyama Marathon race venue on January 25, 2026.
→An email with further instructions will be sent in mid-January 2026.
→Participants must print out the email or show it on their smartphone screen to receive their bib.
Is baggage storage available?
→Yes, but baggage must be placed in the "baggage tag" provided on the day of the event.
→The organizer bears no responsibility for theft or loss of valuables.
