This race has finished.

The next edition is undecided. Please check the official site.

Status updated: June 18, 2026

← Back to results

Tochigi

Full Marathon

2025 Watarase Flood Control Reservoir Autumn Marathon

2025渡良瀬遊水地オータムマラソン

Date
November 24, 2025
Location
Tochigi
Venue
下宮橋を渡って左手広場
Distance
Full Marathon
EventEntry FeeTime LimitCapacity
Full Marathon¥5,0005h—
Half Marathon¥4,0003h—
10.8km¥3,500——
5.4km¥3,000——
Family (Parent & Child)——1,000 runners
Finish Rate
—
Last updatedJune 18, 2026·14 days agoOfficial site checkedJune 18, 2026
Suggest a correction →

AI summary

COURSE

Course profile

Flat (PB-friendly)A flat, easy-to-run course (5.4 km per lap)

Cutoffs & time limit

Full Marathon: 5.5 hours; Half Marathon: 3 hours; Half Relay: 3 hours; 10.8 km, 5.4 km, and Parent-Child Races: No time limit

Water stations

There will be two water stations per 5.4 km lap. We plan to provide water and sports drinks, as well as snacks such as bananas and chocolate.

Pacers

No

Start method

Full Marathon starts at 10:00 a.m., Half Marathon and Relay start at 10:30 a.m., and the 10.8 km, 5.4 km, and Parent-Child races start at 11:00 a.m.

Finisher rewards

Commemorative prizes will be awarded to the top three finishers in each event. Certificates of completion will be issued on the spot. Special perks are available based on the number of times you’ve participated.

Changing & baggage

Changing tents are available. Luggage storage is provided under blue tarps (valuables only; 500 yen per item). Free parking (1,500 spaces)

Summary for guidance. Always confirm details on the official site. Last verified: June 22, 2026

AI summary

RELAY

Team format & legs

Half Marathon Relay Division: Teams of 2 to 4 runners pass a single sash and run a total of 4 laps (approximately 21 km). Each lap of the circuit is 5.4 km. The running order and number of laps are flexible. Only the first runner runs approximately 524 meters less.

Team composition rules

Teams of 2 to 4 players. Open to male and female middle school students and older.

Solo / small team

Not allowed

Course format

Looped (relay-style)

Venue & setup

Changing tents are available. Luggage storage area (blue tarp) is available. Valuables storage: 500 yen.

Time limit

Time limit: 3 hours (Competition scheduled to end at 4:00 p.m.)

Summary for guidance. Always confirm team rules on the official site. Last verified: June 22, 2026

Access

ACCESS

Note: the map shows the approximate area. Check the official site for the exact start/venue.

Score

RATINGSAuto-calculated from market research, official data, and online voicesSome scores unavailable（3/6）

Course Appeal

コースの魅力

N/A

Organization & Support

運営・サポート

N/A

Finishability

完走しやすさ

1.4

Atmosphere

大会の盛り上がり

N/A

Access

アクセス

3.0

Value for Money

コスパ

5.0
Course AppealN/AOrganization & SupportN/AFinishability1.4AtmosphereN/AAccess3.0Value for Money5.0

Entering from overseas

INBOUND

Overseas entry not available

Bib pickup

Bibs are collected at the venue on race day. There is no advance postal delivery of bibs or entry notifications.

Notes

Bib pickup is in-person on race day only, making this race impractical for overseas runners who cannot attend in person. The entry platform is UP RUN / Sports Mate Run; no mention of overseas entry support.

Summary for guidance. Always confirm details on the official site. Last verified: June 22, 2026

Runner Reviews

REVIEWS
Write a review

No runner reviews for this race yet.

Overall Score

3.1

/ 5.0 · 6-axis avg

Official site →

Overseas entry not available