2026 Tateyama Wakashio Marathon

📍 Tateyama, Japan
🏃 Road
📏 2 km, 10 km, 42 km

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.
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