Weekend Track and Road Roundup

The Gifu Seiryu Half Marathon aside, a quick roundup of results from this past weekend:

At the Nittai University Time Trials, aka the Nittaidai Challenge Games, Shadrack Kipkemei (Nihon Univ.) led a great men's 10000 m A-heat in 27:20.05, with the top six men all going under 27:28. James Mutuku (Yamanashi Gakuin Univ.) was the only other collegiate runner among them at 3rd in 27:23.09, with 2:06 marathoner Hidekazu Hijikata (Asahi Kasei) the top Japanese finisher at 8th in 28:23.27.

Mutuku's YGU teammate Brian Kipyegon won the 5000 m A-heat in 13:30.88, James Karuri (Aomori Yamada H.S.) next in 13:33.67 and Kaisei Okada (Chuo Univ.) 3rd in 13:48.44. Soya Katayama (Aoyama Gakuin Univ.) had the fastest 1500 m with a 3:46.19 to win the A-heat.

In the women's races at Nittai, Tabitha Njeri Kamau (Mitsui Sumitomo Kaijo) was the only one to clear 16 minutes in the 5000 m A-heat, running 15:27.12 for the win. Lucy Nduta (Aomori Yamada H.S.) was likewise the only one under 9 minutes in the 3000 m A-heat at 8:57.59, Runa Shoji (Kantaiheiyo Univ.) taking the 1500 m A-heat in 4:19.30 by 0.12 over Yuma Yamamoto (Sekisui Kagaku). Yamamoto was also 2nd behind Nduta in the 3000 m, running 9:08.38.

Like last year, heavy rain hit Hiroshima's Oda Memorial Meet on Monday, but there were still a lot of good performances. Shunsuke Yoshii (Chuo Univ.) led the top six under 13:30 in the men's 5000 m A-heat in 13:24.06, with Taishi Ito (Waseda Univ.) running in the 13:20s for the first time at 13:28.67 for 5th.

Just-graduated 3000 mSC NR holder Ryuji Miura (Subaru) and perpetual rival Philemon Kiplagat (Aisan Kogyo) both went under Kiplagat's meet record from 2021, Miura winning in 8:22.07 and Kiplagat 2nd in 8:23.35. On the way up this season, Yutaro Niinae (Aisan Kogyo) was 3rd in 8:28.54, his first time under 8:30. Three men broke the MR in the 1500 m, all under 3:40, led by Abraham Guem (Ami AC) in 3:39.17. Ryoji Tatezawa (DeNA) was 2nd in 3:39.55 and Masato Saiki (Fujisan no Meisui) 3rd in 3:39.88.

Agnes Mwikali (Kyocera) was less than a second off the MR in the women's 5000 m, winning by over 20 seconds in 15:04.71. Wakana Kabasawa (Mitsui Sumitomo Kaijo) was 2nd in 15:25.30, with Ireland's Jodie McCann 4th in a PB 15:30.20. Tomoka Kimura (Sekisui Kagaku) shaved 0.19 off the women's 1500 m MR dating way back to 1994, winning 4:10.75 over Rose Wangui (Sera H.S.), 2nd in 4:12.85. Overseas, NR holder Nozomi Tanaka (New Balance) was slightly faster at the Penn Relays, running 4:08.32 for 3rd.

Also overseas, a massive crew of nine Adidas-sponsored Japanese men ran the 5 km at the adizero Road to Records in Germany, where they duly filled up the back half of the field, jogging in a pack and finishing 15th through 22nd and 24th of 24. Kosei Atomura (Koku Gakuin Univ.) was the only one to run relatively seriously, clocking 14:00 for 15th. The 16th through 21st-placers all ran between 14:30 and 14:38, 14:38 being the time run by women's winner Medina Eisa.

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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