Regional Corporate Track Championships Highlights

Regional corporate league track and field championship meets are split between two weekends, with this weekend seeing meets in the Kansai, Chubu and Chugoku regions.

At the 67th Kansai Region Corporate Track and Field Championships in Naruto, Tokushima, Yuki Ishii (NTT Nishi Nihon) and Sodai Shimizu (Otsuka Seiyaku) both went under the men's 5000 m meet record from 2007, Ishii getting the win in a new MR of 13:36.94 and Shimizu 2nd in 13:38.96. Takuya Kitasaki (NTT Nishi Nihon) took the men's 10000 m in 28:42.99 and Tomohiro Chimori (Otsuka Seiyaku) the men's 1500 m in 3:46.43. Yuta Koga (Otsuka Seiyaku) broke his own MR in the men's 5000 m RW, going over 19 seconds under his record from last year to win in 18:55.71.

Marathoner Yuka Ando (Wacoal) and steepler Yuno Yamanaka (Ehime Ginko) went 1-2 in both the women's 10000 m and 5000 m, Ando running 32:53.12 to win the 10000 m on Friday and 15:44.99 to take the 5000 m on Sunday, and Yamanaka 32:56.28 and 15:48.65 for 2nd in both. Yamanaka also ran the 1500 m on Saturday, running 4:23.22 for 4th behind winner Jerusha Yuri Mayaka (Otsuka Seiyaku), 4:20.63 for the win. Complete video of all three days of the meet is on the KJR Youtube channel.

At the 67th Chubu Region Track and Field Championships in Gifu, men's 1500 m NR holder Kazuki Kawamura (Toenec) won the 1500 m final in an easy 3:47.36, on Saturday, then was back Sunday to win the open men's 5000 m in 13:45.18. Emmanuel Maru (Toyota Boshoku) won the competitive men's 5000 m in a new MR of 13:29.24, with Tomoki Ota (Toyota) running the fastest Japanese time at 13:38.77. The top four went under 28 minutes in the men's 10000 m, Joseph Karanja (Aichi Seiko) getting the win in 27:47.35.

Akane Yabushita (Toyota Jidoshokki) duplicated Yamanaka's triple on an even more limited time scale, winning the women's 1500 m in 4:18.93 at 17:00 Saturday, then the 10000 m 20 minutes later in 34:19.19. Sunday she was back for the 5000 m where she was the top Japanese finisher at 3rd in 15:52.58. Hellen Ekarare (Toyota Jidoshokki) won in 15:32.87, Desta Burka (Denso) taking 2nd in 15:38.92.

In other events, Taiji Hongo (Onotech) and Yoshikazu Sakakura (TGK) both broke the men's 100 m MR, Hongo clocking 10.37 (-0.1) in the semifinals and Sakakura 10.37 (+1.3) to win the final. Masateru Yugami (Toyota) broke his own MR in the men's discus throw by almost two meters, throwing 58.76 m on his third attempt. Akane Minamisawa (Matsumoto Doken) set a MR of 58.97 to win the women's 400 mH. Complete video of both days of the meet is on the CJR Youtube channel.

The 62nd Chugoku Region Corporate Track and Field Championships are split between this weekend and next, with the men's 10000 m and women's 5000 m having happened Saturday and everything else scheduled for next weekend. Both graduates of local ekiden superpower Sera High School, Cosmas Mwangi (Chugoku Denryoku) won the men's 10000 m in 28:18.26, with Rebecca Mwangi (Daiso) taking the women's 5000 m in 15:24.28.

2026 Tokyo Marathon Elite Field

The Mar. 1 Tokyo Marathon has great fields this year, so let's get right to it. The women's field has 3 of last year's top 10, winner for the 2nd year in a row and Tokyo CR holder Sutume Asefa Kebede , 3rd-placer and 2025 Chicago winner Hawi Feysa , and 5th-placer and 2025 Berlin winner Rosemary Wanjiru , plus 2024 Valencia winner Megertu Alemu , 2025 Prague winner Bertukan Welde , 2024 Paris winner Mestawut Fikir , 2024 Osaka winner Waganesh Mekasha , former WR holder Brigid Kosgei , and a lot more. Japanese hopes pretty much go to all-time #7 Ai Hosoda , 2:20:31 in Berlin 2024 but who announced this month that she is retiring after Tokyo despite having qualified for the 2028 Olympic marathon trials with her 2:23:27 for 6th in Sydney last year. Other internationals include Canadian Malindi Elmore , American Sara Hall , a big Chinese group led by Yuyu Xia , Poland's Aleksandra Brzezińska and Australian Vanessa Wilson . The men's race has 5 of last year's top 1...

Measuring Marathon Courses by Bicycle

http://news.searchina.ne.jp/disp.cgi?y=2013&d=0110&f=column_0110_034.shtml translated by Brett Larner The full marathon is a sport where you compete over 42.195 km, but how do they go about measuring that distance? Today we're going to look a little bit at how they go about certifying the distance of a marathon. The reality is that major international marathons use a bicycle to measure the distance. This rule is an international standard, and the same method of measurement is used everywhere. It was put into place in 1986. In order to ensure that the same method is used everywhere, a bicycle that meets IAAF specifications must be used for measurement. In the case of Japan's major marathons, to be certain that the distance is correct a provisional measurement is first made. Before the course is certified using a bicycle the course is measured using a 50 m-long length of wire to determine that it is in fact 42.195 km. When a bicycle is u...

Ai Hosoda Announces Retirement

photo © 2025 Victah Sailer/Photo Run, all rights reserved On Jan. 8 the Edion women's corporate team announced that Ai Hosoda , 30, will retire at the end of March this year. The Tokyo Marathon will be her last race. At Nagano Higashi H.S. Hosoda ran in the National High School Ekiden her 2nd and 3rd years. During her 3rd year at Nittai University she won both the 5000 m and 10000 m at the Kanto Region University Track and Field Championships, going on to win the bronze medal in the 10000 m at the World University Games in her 4th year at Nittai. After graduating she joined the Daihatsu corporate team, debuting at the 2019 Nagoya Women's Marathon in 2:29:27. 2 years later she transferred to Edion. She qualified for the Paris Olympics marathon trials at the 2022 Nagoya Women's Marathon and finished 3rd in the trials in the fall of 2023, but was later bumped down to Olympic alternate after another athlete ran a faster time. Instead of the Olympics, Hosoda ran the 2024 Ber...

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