National Corporate Track and Field Championships Preview and Streaming

The National Corporate Track and Field Championships happen in Gifu over the next three days, a late-season meetup for non-distance runners in Japan’s corporate leagues and a chance for distance runners to see where they’re at after summer base training just before ekiden season kicks off. The entry lists always promise a lot that the start lists can’t deliver, and especially with the Asian Games starting next week it’s inevitable that a lot of the big names won’t really be there. Complete meet schedule here.

As of this writing only the distance event start lists have been released. The junior women’s 3000 m at 17:00 Friday is pretty much a head-to-head between Janet Nyiva (Panasonic), 8:49.32, and Esther Wangui (Starts), 8:53.21, the main question being whether they can hit Tokyo Marathon winner Rosemary Wanjiru’s 8:48.44 meet record from 2014.

The women’s 10000 m starts at 18:45 Friday and features Pauline Kamulu (Route Inn Hotels) as its top seed at 30:20.97. All sub-31:30, Rina Goshima (Shiseido), Hellen Ekarare (Toyota Jidoshokki) and Eva Cherono (Toto) are her main competition, with sub-32 women Dolphine Omare (U.S.E.), Hina Yanagitani (Wacoal), Wakana Itsuki (Kyudenko), Momoka Kawaguchi (Uniqlo) and Yuka Takashima (Shiseido) also on the list.

In the women’s 3000 mSC, 16:15 Saturday, Olympian Yuno Yamanaka (Ehime Ginko) makes a return to her specialty event after focusing on other distances this season. Her 9:38.19 puts her in direct competition with Manami Nishiyama (Mitsui Sumitomo Kaijo), 9:39.28, to go for NR holder Minori Hayakari’s meet record of 9:48.55 from way back in 2010.

The men’s 3000 mSC 20 minutes later has Philemon Kiplagat (Aisan Kogyo) as its top seed at 8:22.79, his top competition coming from Taisei Ogino (Asahi Kasei), 8:31.02, and Yutaro Niinae (Aisan Kogyo), 8:34.92. Kiplagat would need a PB to hit the 8:21.36 MR set by Nahom Mesfin in 2010.

The men’s 10000 m happens at 19:00 Saturday. Emmanuel Kiplagat (Mitsubishi Juko) leads the field at 27:07.59, followed closely by Benson Kiplangat (Subaru), 27:09.83, Evans Keitany (Toyota Boshoku), 27:11.88, Jonathan Ndiku (Logisteed), 27:12.84, Sitonik Kiprono (Kurosaki Harima), 27:14.76, Stanley Waithaka (Yakult), 27:19.86, and another five men under 27:30. Ayumu Kobayashi (NTT Nishi Nihon) is the top Japanese seed at 27:57.99.

Sunday the women’s 5000 m fast heat goes off at 16:20. Judy Jepngetich (Shiseido) and Rebecca Mwangi (Denso) are the only ones under 15 minutes at 14:50.20 and 14:57.79, but Nyiva, Ekarare, Esther Muthoni (Nitori) and Joan Kipkemoi (Kyudenko) all have recent times under 15:10. Wakana Kabasawa (Mitsui Sumitomo Kaijo) is the top Japanese entrant at 15:19.98.

The men’s 5000 m fast heat happens at 17:40 Sunday. Kiplangat is the favorite at 13:02.74 if he can handle the double from the 10000 m the day before, the only runner in the field under 13:10. Justus Soget (Honda), Joseph Karanja (Aichi Seiko) and Cosmas Mwangi (Chugoku Denryoku) all have recent times under 13:20, with the fastest Japanese man being Nagiya Mori (Honda) at 13:28.35.

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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