Ironman Japan South Hokkaido, all editions

Ironman Japan South Hokkaido 2026

13 Sep 2026. 1,094 finishers, median finish time 13:32:08, 7% of starters did not finish.

Top 10 men

1. Grigorii Navrotskii (Unknown), M35-39: 8:41:58
2. Kohei Umeda (Japan), M30-34: 8:54:12
3. Florian Mestdagh (France), M30-34: 8:57:35
4. Yusuke Watanabe (Japan), M40-44: 9:02:26
5. Evgenii Ushakov (Unknown), M40-44: 9:05:14
6. Ken Naganuma (Japan), M30-34: 9:16:54
7. Yosuke Yamashita (Japan), M30-34: 9:19:19
8. John Bardenheier (Germany), M40-44: 9:20:16
9. Ittetsu Matsumoto (Japan), M18-24: 9:25:08
10. Jansen Her (Singapore), M35-39: 9:30:59

Top 10 women

1. NORIKO ICHIKAWA (Japan), F40-44: 9:52:37
2. Hikari Tamura (Japan), F25-29: 10:09:15
3. Christina Case (United States), F45-49: 10:12:22
4. Marino Fujisaki (Japan), F25-29: 10:44:40
5. Mayu Nakamura (Japan), F30-34: 10:45:47
6. Mary Swayze (United States), F40-44: 11:08:08
7. Chiho Miura (Japan), F50-54: 11:11:11
8. Nana Otsu (Japan), F50-54: 11:14:42
9. Yui Sasaki (Japan), F40-44: 11:33:27
10. Sara Scheffmann (Germany), F35-39: 11:40:51

Age group winners

• F18-24: Alessia Catullo, 12:05:50
• F25-29: Hikari Tamura, 10:09:15
• F30-34: Mayu Nakamura, 10:45:47
• F35-39: Sara Scheffmann, 11:40:51
• F40-44: NORIKO ICHIKAWA, 9:52:37
• F45-49: Christina Case, 10:12:22
• F50-54: Chiho Miura, 11:11:11
• F55-59: Mami Nakamura, 13:07:27
• F60-64: Yumiko Watanabe, 12:31:46
• F65-69: 操 坪川, 15:25:55
• F70-74: Sachiko Sasaki, 16:14:22
• M18-24: Ittetsu Matsumoto, 9:25:08
• M25-29: Jeremy Keirn, 9:39:34
• M30-34: Kohei Umeda, 8:54:12
• M35-39: Grigorii Navrotskii, 8:41:58
• M40-44: Yusuke Watanabe, 9:02:26
• M45-49: Jesse Ripper, 9:43:44
• M50-54: Kojiro Hamano, 10:06:13
• M55-59: Masayoshi Nara, 9:59:08
• M60-64: Masayuki Onishi, 11:03:46
• M65-69: Ken Fujishiro, 11:08:10
• M70-74: Tomomi Maru, 12:49:15
• M75-79: 兼義 奈良, 14:51:29
• M80-84: Hiroshi Nakata, 15:19:11
• PC/ID: Seiji Tanaka, 12:19:20