This race has finished.

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

Status updated: September 21, 2026

Tokyo

Full Marathon

The 26th UPRUN Akabane-Arakawa Marathon ~All Categories Edition~

第26回UPRUN赤羽荒川マラソン～全種目ver～

Date

December 6, 2025

Location

Tokyo

Venue

Arakawa Riverbank: Under the Keihin-Tohoku Line elevated tracks or on the embankment in that area

Distance

Full Marathon

Event	Entry Fee	Time Limit	Capacity
Full Marathon	¥5,000	5h	—
30km	¥4,500	5h	—
Half Marathon	—	3h	—
10km	¥3,500	—	—
5km	¥3,000	—	—
3km	¥2,500	—	—
Family (Parent & Child)	—	—	500 runners

Finish Rate

—

Last updatedSeptember 21, 2026·8 days agoOfficial site checkedSeptember 21, 2026

Suggest a correction →

AI summary

COURSE

Course profile

Flat (PB-friendly)A flat course along the Arakawa River (5 km per lap)

Cutoffs & time limit

Full Marathon: 5.5 hours; 30 km: 5 hours; Half Marathon: 3 hours; 10 km, 5 km, 3 km, and Parent-Child Races: No time limit

Water stations

Two water stations (water and sports drinks) will be available, and snacks such as bananas and chocolate will be provided.

Pacers

Finisher rewards

Commemorative gifts will be presented to the top three finishers in each event, followed by a group photo; completion certificates will be issued on the day of the event; and there are special perks based on the number of times you’ve participated.

Changing & baggage

Baggage Storage: Blue tarps provided (plastic bags distributed in case of rain); changing tents available; lockers and changing facilities available at the nearby public bathhouse “Otama-yu” (600–700 yen, including admission fee)

Summary for guidance. Always confirm details 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

Entering from overseas

INBOUND

Overseas entry not available

Bib pickup

Bib pickup is on race day at the venue; there is no advance postal delivery of bibs or entry materials.

Notes

Bibs are collected in person on race day, and race details are sent by email two days before the event. No overseas-specific entry process is mentioned. Practically, overseas runners would need to be present in Japan on race day to participate.

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