Yamanaka Runs Steeplechase World Leader in Hyogo

Yamanaka Runs Steeplechase World Leader in Hyogo - Weekend Track Roundup

Even as several big races and meets canceled amid new states of emergency being declared across the country, two big two-day meets went off as planned this weekend.

At Kobe's Hyogo Relay Carnival, Yuno Yamanaka (Ehime Ginko) ran a world-leading 6:19.55 to win the women's 2000 m steeplechase. Both Yamanaka and runner-up Yui Yabuta (Otsuka Seiyaku) bettered Yabuta's old national best in the little-raced distance, Yabuta more than 7 seconds under her old mark in 6:20.37. The national best mark also fell in the men's 2000 m steeplechase, with 2019's 3000 mSC national champion Ryohei Sakaguchi (SGH Group) clipping almost 2 seconds off the old mark in 5:29.89.

In the women's 5000 m, 2021 national university half marathon champion Narumi Kobayashi (Meijo Univ.) the only woman to break 16 minutes at 15:57.87. Aoyama Gakuin University runners took the top three spots in the men's 5000 m, new recruits Masaya Tsurekawa and Aoi Ota going 1-2 in 13:55.77 and 13:59.71.

In a windy women's 10000 m with only 8 people on the starting line, Kenyan Joan Kipkemoi (Kyudenko) paced teammate Wakana Itsuki through 8000 m before pulling away to take the top spot in 32:31.19, her debut over the distance. Itsuki was next in 32:48.43, with club runner Shiho Kaneshige (GRlab Kanto) just missing out on a sub-33 mark but still managing a PB of 33:02.64 for 3rd. Olympic marathon trials winner Honami Maeda (Tenmaya) was 4th in 33:25.85, far off her pre-race target.

All three men's 10000 m heats saw winning times under 28 minutes. Kiprono Sitonik (Komori Corp.) was the fastest, taking Saturday's B-heat in 27:42.74. Sunday's A-heat winner Richard Kimunyan (Hitachi Butsuryu) was next in 27:52.92. A-heat runner-up Tomoki Ota (Toyota) broke 28 for the first time in 27:56.49, just 0.90 off what his younger brother Naoki Ota (Waseda Univ.) ran at last December's National Championships. C-heat winner Rodgers Kwemoi (Aisan Kogyo) rounded out the count with a 27:54.03 for the win.

But the fastest men's 10000 m time of the weekend came at Kanagawa's Nittai University Time Trials meet. There Stanley Waithaka (Yakult) soloed a 27:19.16 to take the top spot in Saturday's A-heat. Ryota Natori (Konica Minolta) had the fastest 5000 m mark, winning the A-heat in 13:44.39. In the B-heat three members of Hakone Ekiden champ Komazawa University's new lineup broke 14 minutes, bringing the total number of Komazawa runners this year with sub-14 bests up to 16. Shunsuke Yoshii (Sendai Ikuei H.S.), younger brother of 5000 m U20 NR holder Yamato Yoshii (Chuo Univ.), won the 1500 m A-heat in 3:47.35.

Newcomer Judy Jepngetich (Shiseido) made a splash with an 8:59.58 win in the women's 3000 m A-heat, almost 9 seconds up on runner-up Ai Hosoda (Edion). Another Japan-based Kenyan, Dorphine Nyaboke Omare (U.S.E.), won the 5000 m A-heat in 15:54.05, with club runner Haruka Yamaguchi (AC Kita) 2nd in a season best 16:07.16.

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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