In an official 5-km road race on the certified course at Meiji Jingu Gaien in Tokyo, Tameike Ichita (溜池一太) set a Japanese national record. Soka University's Koike Riki (小池莉希) also surpassed the previous Japanese record.
The athletics road race Adizero 5K Tokyo Challenge was held on the 27th. In the official 5-km race, Nihon University's fourth-year student Shadrack Kipkemey (シャドラック・キップケメイ) won, while Tameike Ichita (溜池一太) of SGH finished fifth in a Japanese national-record time of 13 minutes 25 seconds. The previous Japanese record was 13 minutes 30 seconds, set by Ota Tomoki (太田智樹) in May 2025.
Soka University's Koike Riki (小池莉希) also competed in the race and was reported to have recorded a time surpassing the previous Japanese record. Photographs show finishers in the official race and the record-breaking performance.
The result has been reported as the official event result and a record-breaking performance, and additional information may be provided in subsequent reports. The article focuses on reporting facts about the result of the race.