August 22, 2026 | Katashina Village, Tone District, Gunma Prefecture

XTERRA Japan Marunuma

Relay

Swim

1500m

Bike

25K

Run

10K

Event Overview

Due to unforeseen circumstances, this event has been canceled for 2026. We appreciate your understanding and look forward to welcoming you at future events.

XTERRA Japan Marunuma Relay is the classic XTERRA race. Whether is is battling for slots for the World Championship, clashing with elites, or aiming to conquer the full-distance off-road triathlon, this race has something to offer all athletes with a sense of adventure.

Course Maps

This courses below are not yet confirmed, and subject to change.

SWIM - 1500ｍ

3-lap 500m clockwise at Lake Marunuma

BIKE - 25K

1-lap 15K + 1-lap 10K loop

RUN - 10K

2-lap 5K

Schedule

This schedule is not yet confirmed, and subject to change.

1

Fri 2026.08.21

+

13:00-16:00

Receive the race kit (All categories)

Marunuma (map)

13:00-16:00

MTB, Run course inspection / Swim inspection

Marunuma (map)

13:00-16:00

XTERRA EXPO

Marunuma (map)

Prizes

This information is not yet confirmed, and subject to change.

🎁 Participation prize

All participants

🏅 Medal

All Finishers

Prizes

Division Top 3

Fees

The fees below have not yet been confirmed, and are subject to change.

Registration from Nov 1st, 2025 - Jun 22nd, 2026.

Race Fees

DescriptionFee
Relay (Early Bird)37,800 JPY
Relay (Regular)42,000 JPY
Relay (Late)50,400 JPY

Registration notes:

  • A system registration fee will be added at the time of entry according to the rules of the entry system.

  • You will be required to submit a "Participation Pledge" when you receive your race kit.

  • Cancellation after payment is not accepted for any reason. (Including cancellation due to organizer's convenience)

  • We do not accept applications on the day of the event, so please enter the event within the application period.

  • Late entry：Please contact XTERRA JAPAN Management Office via email during the registration period.
    📧 [email protected]