46th Gunma Safari Tomioka Marathon [3km]

Tomioka, Japan

Sunday, December 13, 2026

Choose your distance

Half Marathon· €11

Distance

21.1km

Start Time

09:00

Cutoff

02:30 (checkpoint at 15.7km must be passed within 01:45)

Terrain

Road

Difficulty

Beginner

Max Runners

1,200

Overview

Open to general men and women from high school age upwards, divided into age classes. The course must be completed within 2 hours 30 minutes, and runners must pass the checkpoint at 15.7km within 1 hour 45 minutes. The start is scheduled for 09:00.

Start and finish on the grounds of Tomioka City Takase Elementary School
Five races from half marathon down to 3km on one race day
Runs in Tomioka, home of the World Heritage Tomioka Silk Mill

The practical side

Start / Finish

Start

Tomioka City Takase Elementary School Grounds

Finish

Tomioka City Takase Elementary School Grounds

Getting There

By car: about 1.5 km (5 minutes) from Tomioka I.C. on the Joshin-Etsu Expressway to Takase Elementary School. By train: from JR Takasaki Station take the Joshin Electric Railway to Joshin-Tomioka Station, then 2.5 km to Takase Elementary School.

Race Day

The event is held on Sunday 13 December 2026. There is no athlete reception desk, so runners go straight to the venue with the participation notice, athlete bib and RC chip posted to them about two weeks before race day. Starts run from 09:00 through to 09:50.

Good to know

What you get

Finisher certificate

Chip timing

Participation prize: local specialities, Gunma Safari Park invitation ticket, Tomioka Silk Mill invitation ticket, hospitality ticket (500 yen), towel and more (planned)

Water stations on course

Massage booth

Live results displayed for all runners

Sign language volunteers stationed at the venue

Food after the finishA food and drink booth area is set up at the venue, and participants receive a hospitality ticket worth 500 yen to use there.

On the day

Food vendors

Merchandise

Parking10 km category: Tomioka City Minami Junior High School grounds (no entry or exit between 9:30 and 11:00). Half, 5 km and 3 km categories (including parent-child pairs): Gunma Safari Park car park. Those wishing to use parking must check the 'parking requested' box when entering; parking tickets are sent with the participation notification. As congestion around the venue is expected on race day, Tomioka residents are asked to come on foot or be dropped off where possible.

ShuttleA free shuttle bus runs from Gunma Safari Park to the venue.

Public transportBy car: about 1.5 km (5 minutes) from Tomioka I.C. on the Joshin-Etsu Expressway to Takase Elementary School. By train: from JR Takasaki Station take the Joshin Electric Railway to Joshin-Tomioka Station, then 2.5 km to Takase Elementary School.

AccessibilitySign language volunteers are stationed around the venue. Anyone who would like support at the event should indicate this when entering.

Bag dropYes, baggage can be left at the venue, but valuables should not be deposited.

Aid stationsHalf: water stations near the 6 km, 12 km, 15 km, 18 km and 20 km points · 10km: water station near the 5 km point · All participants receive a participation prize on the day; parent-child pair entries receive one prize per pair · All participants receive a 500-yen hospitality ticket usable at the food booths in the venue; use of the ticket inside the booths is permitted · Participants are invited to Gunma Safari Park (parent-child pair entries receive a pair ticket)

Before you enter

RefundsEntries are non-refundable after application. If the event is cancelled due to earthquake, storm or flood damage, incident, accident or other unavoidable circumstances, entry fees are in principle not refunded.

TransfersRunning places can be transferred through the RUNNET Yuzureru scheme. Transfer entry opens on 3 September 2026 at 00:00 and closes on 18 October 2026 at 23:59, starting after the main entry deadline or once the race fills.

Time limitThe half marathon has a 2 hour 30 minute limit, with a checkpoint at 15.7km that must be passed within 1 hour 45 minutes. The 10km, 5km, 3km and parent and child races have no time limit.

Collecting your numberNo. There is no athlete reception at this event. Your participation notice, athlete bib and RC chip are posted to you roughly two weeks before the race, so you can come straight to the venue on the day.

€11

per person · entry fee

Tomioka, Japan

Sunday, December 13, 2026

Tomioka City Sports Association

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46th Gunma Safari Tomioka Marathon [3km]

Overview

The practical side

Good to know

When and where is the 46th Gunma Safari Tomioka Marathon held?

What is the entry period?

Can I enter together with family members or friends?

What do participants receive?

What facilities are available at the venue?

€11

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