🇯🇵 Japan: running races in December 2026
24 races scheduled in December 2026. Every race lists dates, locations, distances and official links; the list is updated daily.
12DEC 26MARATHON10KRegistration open
Nara MarathonNara · Japan · in 52 days · 42K · JP¥14,250
05DEC 26HALF10K4.2K
坊っちゃんランランランMatsuyama · Japan · in 45 days
13DEC 26HALF10K2K
東海ハーフマラソンTokai · Japan · in 53 days13DEC 26
10K6K2K1.5K
鈴鹿シティマラソンSuzuka · Japan · in 53 days
13DEC 26MARATHON10K3K
青島太平洋マラソンMiyazaki · Japan · in 53 days
19DEC 26HALF30K10K5K
尾シティマラソンYao · Japan · in 59 days
20DEC 26HALF10K5K3K
和歌山ジャズマラソンWakayama · Japan · in 60 days20DEC 26
10K4K2K
豊田マラソン大会Toyota · Japan · in 60 days
20DEC 26HALF10K
足立フレンドリーハーフマラソンTokyo · Japan · in 60 daysDEC 26
HALF10K5K
Ecomarathon of Saïko in DecemberSaitama · Japan