Another Fast U20 10000 m at Nittai

Another Fast U20 10000 m at Nittai - Weekend Results

Fukuoka and Hofu were the big races of the weekend in Japan, but there was a lot of other action going on across the country. Saturday at a special one-day edition of the rebranded Nittai University Time Trials series in Yokohama, 19-year-old Sonata Nagashima (Asahi Kasei) followed up Keita Sato's 27:28.50 U20 10000 m national record last weekend with the second-fastest time ever by a Japanese U20 man, winning the fast heat in 27:44.86. 21-year-old Reishi Yoshida (Chuo Gakuin Univ.) was just back in 27:47.01 for 2nd, with 3rd through 5th all getting under 28 minutes. The 10000 m National Championships are still coming Dec. 10, but as of this race Japan has 30 men sub-28 this year. By comparison, Kenya has 58, 49 of them done in Japan, Ethiopia has 11, and the U.S.A. has 8.

The winner at last month's Fst in Fukuoka road 5 km, Edwin Kisalsak (Fujisan no Meisui) took the men's 5000 m fast heat at Nittai in 13:19.97. Yusuke Tamura (Kurosaki Harima) was the top Japanese man at 13:32.99 for 4th. First-year corporate leaguer Susan Kamotho (Yamada Holdings) went under 15 minutes for the first time to win the women's 5000 m fast heat in 14:59.63, beating current and former 5000 m NR holders Nozomi Tanaka (New Balance) and Ririka Hironaka (Japan Post) in the process. Lucy Nduta (Aomori Yamada H.S.) won the 3000 m fast heat in an easy 9:13.51. Results from all the fast heats here.

The world's premier 10 miler happened Sunday at the Kumamoto Kosa 10-Mile Road Race, where Benard Koech (Kyudenko) set a world best 44:04 last year. This time Patrick Kamau (Jobu University) took the top spot, winning a close finish in 45:46 by 1 second over Cleophas Kandie (Mitsubishi Juko). Koki Asai (Juntendo University) was 3rd in 46:05 for top Japanese honors, a solid performance on the all-time Japanese lists that saw him outback Kiyoshi Koga (Yasukawa Denki) by 3 seconds in the home straight. Local Isshin Masunaga (Kaishin H.S.) won the high school boys' 10 km in 30:08, and Shiori Nagumo (Higo Ginko) took the women's 5 km in 16:24. Complete results here.

In western Tokyo, the Comodi Iida corporate team tuned up for the New Year Ekiden national championships with a win at one of the oldest ekidens in Japan, the 85th Okutama Keikoku Ekiden. Comodi Iida covered the tough 6-stage, 44.8 km course along the same route as the Ome 30 km Road Race in 2:13:06 for the win, beating top collegiate team Tokyo University by 1:36. Collegiate division runner-up Chuo University's Sota Yamasaki broke the stage record for the mostly uphill 3rd leg. Tokyo Jitsugyo H.S. was the top team in the high school boys' division in 2:24:44.

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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