All-Japan Corporate Ekiden Championships
The corporate ekiden competition is a series of races contested between Japan's corporate ''',The structure involves regional qualifying races and a national championship for women and for men.
Women's Championship
The All-Japan Women’s Corporate Ekiden Championship is held in mid December after 3 regional qualifying ekiden events, narrowing the field to 24 to 27 teams, although new qualification standards in 2011 increased the field to 33 teams. In addition to teams coming from the East Japan qualifying meet, there are teams from the Central Japan and Western Japan qualifying meets.Men's Championship
The All-Japan Men's Corporate Ekiden Championship, also called the New Year Ekiden, takes place in Japan's Gunma Prefecture on 1 January.Qualification Structure
Teams gain qualification into the final ekiden race through a series of preliminaries which are principally conducted on a district-by-district basis. The Eastern Japan Corporate Ekiden Championship qualifies men's and women's teams. Two other qualifying meets for the women are held for Central Japan and Western Japan, . The Western Japan women's qualifying race begins in Munakata, Fukuoka; .The men have a slightly different pattern . One of the men's qualifying races is the Kyushu men's qualifying race, which begins in Fukuoka City and ends in Kita Kyushu city; . Other regionals include Kansai Jitsugyodan Ekiden, Chubu Jitsugyodan Ekiden, Hokuriku Jitsugyodan Ekiden, and Chugoku Jitsugyodan Ekiden.
Qualification Round - Eastern Japan Corporate Ekiden Championships
, has hosted for several years the men's and women's Eastern Japan Corporate Ekiden Championships. The meet site is Kumagaya Sports Culture Park. This meet is a regional qualifier for the December women's and January 1 men's national championships. The women run a 6-stage 42.195 kilometer race and the men run a 7-stage 77.5 km race. The 2011 race was the meet's 22nd women's championship and the men's 52nd. ; .Men
| First stage 11.6 km | Second stage 15.3 km | Third stage 9.2 km | Fourth stage 9.9 km | Fifth stage 7.4 km | Sixth stage 10.6 km | Seventh stage 13.5 km | |
| 2011 52nd Cup | Yuki Sato Team Nissin Shokuhin 33:00 CR | Tsuyoshi Ugachi Team Konica Minolta 44:28 CR | Josephat Ndambiri Team Komori Corp. 25:20 CR | Masato Kihara Team Kanebo 28:43 CR | Yoshihiro Wakamatsu Team Nissin Shokuhin 21:19 CR | Yuki Nakamura Team Kanebo 30:41 | Masakazu Fujiwara Team Honda 39:31 |
Women
| First stage 6.795 km | Second stage 3.1 km | Third stage 12.2 km | Fourth stage 3.8 km | Fifth stage 10.0 km | Sixth stage 6.3 km | |
| 2011 22nd Cup | Yurie Doi Team Starts 21:44 | Grace Kimanzi Kenya/Team Starts 9:28 CR | Misaki Katsumata Team Daiichi Seimei 39:07 CR | Miku Yamamoto Team Sekisui Kagaku 11:58 CR | Asami Kato Team Panasonic 32:49 | Yoshimi Ozaki Team Daiichi Seimei 20:41 CR |