Date
Date TBA
Location
Tokyo
Distance
Full Marathon
Entry Fee
—
Time Limit
4h 45m
Capacity
—
Finish Rate
—
Official site checkedJune 18, 2026
AI summary
COURSECourse certification
Not certifiedNo mention of an Japan Association of Athletics Federations (JAAF)-certified course. Determined to be uncertified based on the round-trip course along the riverbank (2,500-meter loop).
Course profile
Flat (PB-friendly)A flat round-trip course along the Arakawa River embankment
Cutoffs & time limit
Full Marathon (42.195 km): 4 hours 45 minutes; 30 km: 3 hours 45 minutes; Half Marathon: 3 hours; 15 km: 2 hours; 10 km: 1 hour 30 minutes; 5 km: 45 minutes
Water stations
There are two stations at both ends of the course (water, snacks, and sports drinks). There is a table for placing your own water bottles near the starting line.
Pacers
No
Start method
Full Marathon (30 km): Starts at 9:00; Half Marathon: 9:30; 5 km, 10 km, and 15 km: 9:40
Finisher rewards
Participation Prizes: Sports drink, point card, and Sō sticker. Prize Winners (Top 3 men and women in each division): Certificate + free entry to the next tournament. Participate in 3 matches to receive a free entry bonus.
Changing & baggage
No changing rooms (please make your own arrangements). Valuables storage: 100 yen (20 cm square plastic bag). Temporary restrooms available. You may use the public bath (sento) after the race.
Summary for guidance. Always confirm details on the official site. Last verified: June 22, 2026
Access
ACCESSNote: 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（4/6）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
0.0
Atmosphere
大会の盛り上がり
N/A
Access
アクセス
3.0
Value for Money
コスパ
N/A
Entering from overseas
INBOUNDNotes
The entry page lists race dates and distances but provides no details on the entry process, platform, fees, or requirements. It is unclear whether overseas runners can enter.
Summary for guidance. Always confirm details on the official site. Last verified: June 22, 2026
Runner Reviews
REVIEWSNo runner reviews for this race yet.