Sections follow the 2026 race map and times the 2027 plan. The detailed closure map comes out around December; we will update this page then.
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On Sunday, January 31, 2027, from about 7:30 AM to 2:45 PM (planned). Times differ by section: Shinjuku-dori (Shinjuku Ogado East to Shinjuku 2-chome) and Meiji-dori 8:00–10:00, Kagurazaka-dori and Okubo-dori 8:15–10:15, Sotobori-dori 8:15–10:30, Shinjuku-dori (Shinjuku 2-chome to Yotsuya 3-chome), Yasukuni-dori, Gyoen-odori and the Koshu-kaido Gyoen Tunnel (westbound) 8:00–11:00, Gaien-nishi-dori and around the National Stadium 8:00 AM–1:00 PM, and around the Meiji Jingu Gaien 7:30 AM–2:45 PM. Sections follow the 2026 race map; the detailed map comes out around December.
During the closures you cannot drive across the course. Organizers advise detouring via Koshu-kaido (the Gyoen Tunnel toward Shinjuku is closed), Aoyama-dori or Okubo-dori for east–west trips, and Gaien-higashi-dori or Yamate-dori for north–south trips. On the Shuto Expressway Route 4 (Shinjuku Line), the inbound Gaien exit is closed. Street parking along the course is unavailable from 7:00 PM the day before, and parked cars will be towed.
During the closures pedestrians cannot enter or cross the course either. Use footbridges or underpasses. Along the course, get off bicycles and kick scooters and walk them.
Routes Shiro 61, Ii 62, Hashi 63, Taka 71, Juku 75, Kuro 77, Waseda 81, Ike 86 and Shina 97 are suspended, detoured or shortened. Check the Toei Bus notices before the day.
The half marathon starts at 8:30 AM and finishes at MUFG Stadium (Japan National Stadium), with a 2 h 30 min limit (race ends at 11:00 AM). It runs north through the Gaien, Shinanomachi and Gaien-nishi-dori, west on Shinjuku-dori from Yotsuya 4-chome, and turns in front of Shinjuku Station East Exit (Shinjuku Ogado East). From Shinjuku 2-chome it goes via Gyoen-odori, Yasukuni-dori and Sotobori-dori to Kagurazaka and Iidabashi, then comes back the same way. Cut-off points include Yotsuya 4-chome (9:10 out, 10:43 back), Shinjuku 2-chome (9:28, 10:33), Kagurazaka-shita (10:05) and Ichigaya-Hachimancho (10:15).
The Shinjuku City Half Marathon Organizing Committee office (Shinjuku Mirai Sozo Foundation, 03-3232-7701). On the day, follow police and staff directions for closures and detours.
Roads around the Meiji Jingu Gaien close from 7:30 AM; around the National Stadium, Gaien-nishi-dori, Shinjuku-dori, Yasukuni-dori and the Koshu-kaido Gyoen Tunnel (westbound) from 8:00; and Sotobori-dori, Kagurazaka-dori and Okubo-dori from 8:15. You cannot cross the course on foot either — use footbridges or underpasses.
The half marathon starts at 8:30 AM from MUFG Stadium (Japan National Stadium), with a 2 h 30 min limit. Runners head west via Gaien-nishi-dori and Shinjuku-dori, turn in front of Shinjuku Station East Exit, then run Yasukuni-dori and Sotobori-dori to Kagurazaka and Iidabashi and back. The 10 km starts at 11:15 AM and laps the Meiji Jingu Gaien; the 3 km, 2 km and family runs also start and finish at the stadium.
Shinjuku-dori (Shinjuku Ogado East to Shinjuku 2-chome) and Meiji-dori (Shinjuku 3-chome) reopen around 10:00 AM, Kagurazaka-dori and Okubo-dori around 10:15, and Sotobori-dori around 10:30. Times are estimates and depend on the race.
Around 11:00 AM Shinjuku-dori (Shinjuku 2-chome to Yotsuya 3-chome), Yasukuni-dori, Gyoen-odori, the Sendagaya Gyoen Tunnel and the Koshu-kaido Gyoen Tunnel (westbound) reopen. From then on only roads around the National Stadium and the Gaien stay closed.
Gaien-nishi-dori, the roads around the National Stadium and the ward road south of Keio Hospital reopen around 1:00 PM, and the roads around the Meiji Jingu Gaien (Ginkgo Avenue, Stadium-dori) around 2:45 PM. The 2 km and family runs take place in the Gaien in the afternoon.
Areas and positions are approximate, based on the official venue and traffic maps. On the day, follow on-site signs and restrictions.
MUFG Stadium (Japan National Stadium). The half marathon starts at 8:30 AM with a 2 h 30 min limit (ends 11:00 AM). The 10 km, 3 km, 2 km and family runs also start here.
The half marathon turnaround, at the west end of Shinjuku-dori in front of Shinjuku Station East Exit.
The Gaien loop road, the Ginkgo Avenue and Stadium-dori are closed (the 10 km and shorter races run here). On the Shuto Expressway Route 4, the inbound Gaien exit is closed; the inbound Gaien entrance (from Kita-sando), the outbound Gaien entrance (from Senjuin) and the outbound Gaien exit stay open. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours7:30 AM–2:45 PM (approx.)
Roads around the stadium are closed. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–1:00 PM (approx.)
Closed southbound from Yotsuya 4-chome to Senjuin. The Yotsuya 4-chome intersection is also closed, so northbound traffic is stopped from Senjuin. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–1:00 PM (approx.)
Closed in both directions between Daikyocho and Shinanomachi Station. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–1:00 PM (approx.)
The westbound tunnel from Yotsuya 4-chome toward Shinjuku is closed. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–11:00 AM (approx.)
The Shinjuku 2-chome intersection is closed; traffic is stopped from Yotsuya 3-chome. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–11:00 AM (approx.)
Closed southbound from Shinjuku 5-chome-higashi to Shinjuku 2-chome-minami. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–11:00 AM (approx.)
Closed northbound from Sendagaya 5-chome to Shinjuku 2-chome-minami. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–11:00 AM (approx.)
Eastbound is closed from Sumiyoshicho to Ichigaya-hachimancho; westbound from Ichigaya-hachimancho to Shinjuku 5-chome-higashi. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–11:00 AM (approx.)
Closed in both directions between Shinjuku Ogado-higashi and Shinjuku 2-chome. Runners turn around in front of Shinjuku Station East Exit. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–10:00 AM (approx.)
The Shinjuku 3-chome intersection is closed; traffic is stopped from Shinjuku 4-chome and Shinjuku 5-chome. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:00 AM–10:00 AM (approx.)
Closed from Ichigaya-mitsuke toward Iidabashi. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:15 AM–10:30 AM (approx.)
Closed in both directions between Kagurazaka-shita and Kagurazaka-ue. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:15 AM–10:15 AM (approx.)
Closed from Iidabashi toward Kagurazaka-ue; traffic is stopped from Shin-Ryukeibashi-nishizume. You cannot enter or cross the course — use footbridges or underpasses. Times are approximate.
Restricted hours8:15 AM–10:15 AM (approx.)
