All-time results of this event:
Naeba-Sanroku Geopark Tsunan Ultramarathon 48K
| Distance: | 48km | More details of this race. |
| Ranking eligible: | No (2024-2025) | Multiple Finishers |
| 1 to 89 of 89 search results. |
| Rank | Performance | Date | Name | Nat. | YOB | Rank | M/F | Rank M/F | Cat | Cat. Rank |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 3:58:42 h | 06.07.2025 | Takamura, Kazuki | JPN | 1 | M | 1 | #NA | ||
| 2 | 4:05:32 h | 29.09.2024 | Kuwabara, Yuu | JPN | 1 | M | 1 | #NA | ||
| 3 | 4:16:54 h | 06.07.2025 | Kuwabara, Yuu | JPN | 2 | M | 2 | #NA | ||
| 4 | 4:29:45 h | 06.07.2025 | Kadowaki, Kenji | JPN | 1974 | 3 | M | 3 | M50 | 1 |
| 5 | 4:32:45 h | 06.07.2025 | Harada, Mitsuo | JPN | 1973 | 4 | M | 4 | M50 | 2 |
| 6 | 4:36:31 h | 29.09.2024 | Minemura, Issei | JPN | 1981 | 2 | M | 2 | M40 | 1 |
| 7 | 4:38:20 h | 06.07.2025 | Yamamoto, Mamoru | JPN | 1977 | 5 | M | 5 | M45 | 1 |
| 8 | 4:42:33 h | 06.07.2025 | Ikeda, Takuto | JPN | 6 | M | 6 | #NA | ||
| 9 | 4:46:39 h | 29.09.2024 | Nakamura, Takayuki | JPN | 1969 | 3 | M | 3 | M55 | 1 |
| 10 | 4:50:00 h | 06.07.2025 | Ikeda, Yoichi | JPN | 1969 | 7 | M | 7 | M55 | 1 |
| 11 | 4:59:02 h | 06.07.2025 | Ubukata, Kenichiro | JPN | 8 | M | 8 | #NA | ||
| 12 | 4:59:52 h | 06.07.2025 | Suzuki, Maho | JPN | 1974 | 9 | F | 1 | W50 | 1 |
| 13 | 5:00:20 h | 06.07.2025 | Minemura, Issei | JPN | 1981 | 10 | M | 9 | M40 | 1 |
| 14 | 5:13:03 h | 06.07.2025 | Matsui, Hiroyuki | JPN | 1975 | 11 | M | 10 | M50 | 3 |
| 15 | 5:16:43 h | 06.07.2025 | Saito, Kaori | JPN | 12 | F | 2 | #NA | ||
| 16 | 5:18:12 h | 06.07.2025 | Higuchi, Yoshinori | JPN | 13 | M | 11 | #NA | ||
| 17 | 5:22:58 h | 06.07.2025 | Yamamoto, Naoya | JPN | 1964 | 14 | M | 12 | M60 | 1 |
| 18 | 5:25:53 h | 06.07.2025 | Senzaki, Miyabi | JPN | 1973 | 15 | F | 3 | W50 | 2 |
| 19 | 5:29:41 h | 06.07.2025 | Ebihara, Takeshi | JPN | 1969 | 16 | M | 13 | M55 | 2 |
| 20 | 5:30:26 h | 06.07.2025 | Matsubara, Katsuaki | JPN | 1970 | 17 | M | 14 | M55 | 3 |
| 21 | 5:34:35 h | 06.07.2025 | Mizukoshi, Hanako | JPN | 1972 | 18 | F | 4 | W50 | 3 |
| 22 | 5:36:26 h | 29.09.2024 | Takou, Manabu | JPN | 4 | M | 4 | #NA | ||
| 23 | 5:43:18 h | 06.07.2025 | Takou, Manabu | JPN | 19 | M | 15 | #NA | ||
| 24 | 5:44:06 h | 06.07.2025 | Ohashi, Toshio | JPN | 1958 | 20 | M | 16 | M65 | 1 |
| 25 | 5:44:31 h | 06.07.2025 | Onuma, Satoshi | JPN | 21 | M | 17 | #NA | ||
| 26 | 5:47:00 h | 29.09.2024 | Ohashi, Toshio | JPN | 1958 | 5 | M | 5 | M65 | 1 |
| 27 | 5:49:42 h | 06.07.2025 | Ogasawara, Yuuka | JPN | 1986 | 22 | F | 5 | W35 | 1 |
| 28 | 5:59:57 h | 06.07.2025 | Imura, Kazuo | JPN | 23 | M | 18 | #NA | ||
| 29 | 6:01:49 h | 29.09.2024 | Matsumoto, Tomoko | JPN | 1961 | 6 | F | 1 | W60 | 1 |
| 30 | 6:02:44 h | 06.07.2025 | Iida, Koji | JPN | 1967 | 24 | M | 19 | M55 | 4 |
| 31 | 6:06:50 h | 06.07.2025 | Yoshida, Takuhiro | JPN | 1984 | 25 | M | 20 | M40 | 2 |
| 32 | 6:12:36 h | 29.09.2024 | Komiyama, Hiroshi | JPN | 1958 | 7 | M | 6 | M65 | 2 |
| 33 | 6:17:20 h | 29.09.2024 | Abe, Takayuki | JPN | 8 | M | 7 | #NA | ||
| 34 | 6:22:53 h | 06.07.2025 | Ishikawa, Hirokazu | JPN | 26 | M | 21 | #NA | ||
| 35 | 6:25:05 h | 06.07.2025 | Shimada, Toshio | JPN | 1959 | 27 | M | 22 | M65 | 2 |
| 36 | 6:32:17 h | 06.07.2025 | Sakai, Kazuyuki | JPN | 28 | M | 23 | #NA | ||
| 37 | 6:36:32 h | 29.09.2024 | Shimada, Toshio | JPN | 1959 | 9 | M | 8 | M65 | 3 |
| 38 | 6:39:39 h | 06.07.2025 | Kouda, Ikue | JPN | 29 | F | 6 | #NA | ||
| 39 | 6:43:18 h | 06.07.2025 | Nakagawa, Hiroaki | JPN | 30 | M | 24 | #NA | ||
| 40 | 6:44:22 h | 06.07.2025 | Seishi, Yuuki | JPN | 31 | M | 25 | #NA | ||
| 41 | 6:44:33 h | 06.07.2025 | Sakai, Yasutoshi | JPN | 1959 | 32 | M | 26 | M65 | 3 |
| 42 | 6:44:49 h | 06.07.2025 | Uchihata, Mamiko | JPN | 33 | F | 7 | #NA | ||
| 43 | 6:47:30 h | 06.07.2025 | Nakazawa, Mika | JPN | 34 | F | 8 | #NA | ||
| 44 | 6:50:16 h | 29.09.2024 | Kajizuka, Yuka | JPN | 10 | F | 2 | #NA | ||
| 45 | 6:53:08 h | 06.07.2025 | Sekino, Nobuhiro | JPN | 35 | M | 27 | #NA | ||
| 46 | 7:00:51 h | 29.09.2024 | Saijou, Yoshiyuki | JPN | 11 | M | 9 | #NA | ||
| 47 | 7:01:48 h | 06.07.2025 | Suzuki, Kuaifei | JPN | 36 | M | 28 | #NA | ||
| 48 | 7:03:51 h | 29.09.2024 | Iwashita, Ichiro | JPN | 1951 | 12 | M | 10 | M70 | 1 |
| 49 | 7:07:25 h | 29.09.2024 | Kobayashi, Takashi | JPN | 13 | F | 3 | #NA | ||
| 50 | 7:11:52 h | 29.09.2024 | Hiroki, Chie | JPN | 1969 | 14 | F | 4 | W55 | 1 |
| 51 | 7:12:22 h | 29.09.2024 | Uchida, Hideaki | JPN | 1955 | 15 | M | 11 | M65 | 4 |
| 52 | 7:12:39 h | 06.07.2025 | Nakamura, Akira | JPN | 1970 | 37 | M | 29 | M55 | 5 |
| 53 | 7:16:17 h | 29.09.2024 | Takei, Satoshi | JPN | 1972 | 16 | M | 12 | M50 | 1 |
| 54 | 7:19:36 h | 29.09.2024 | Abe, Shigeaki | JPN | 1969 | 17 | M | 13 | M55 | 2 |
| 55 | 7:20:43 h | 06.07.2025 | Yamagishi, Yukiko | JPN | 38 | F | 9 | #NA | ||
| 56 | 7:24:50 h | 06.07.2025 | Usui, Hiromi | JPN | 39 | F | 10 | #NA | ||
| 57 | 7:26:50 h | 06.07.2025 | Takei, Satoshi | JPN | 1972 | 40 | M | 30 | M50 | 4 |
| 58 | 7:27:06 h | 06.07.2025 | Susa, Masato | JPN | 41 | M | 31 | #NA | ||
| 59 | 7:32:17 h | 06.07.2025 | Urakami, Hiroyuki | JPN | 1970 | 42 | M | 32 | M55 | 6 |
| 60 | 7:37:39 h | 29.09.2024 | Watanabe, Yuka | JPN | 1964 | 18 | F | 5 | W60 | 2 |
| 61 | 7:37:50 h | 29.09.2024 | Kashima, Asako | JPN | 19 | F | 6 | #NA | ||
| 62 | 7:39:16 h | 06.07.2025 | Teraoka, Yoshimitsu | JPN | 43 | M | 33 | #NA | ||
| 63 | 7:42:11 h | 29.09.2024 | Honda, Manabu | JPN | 1964 | 20 | M | 14 | M60 | 1 |
| 64 | 7:43:22 h | 29.09.2024 | Hosoya, Shino | JPN | 1976 | 21 | M | 15 | M45 | 1 |
| 65 | 7:44:12 h | 06.07.2025 | Kumagai, Yousuke | JPN | 1981 | 44 | M | 34 | M40 | 3 |
| 66 | 7:52:25 h | 29.09.2024 | Tanaka, Kazuo | JPN | 1947 | 22 | M | 16 | M75 | 1 |
| 67 | 7:53:46 h | 06.07.2025 | Ito, Shinsuke | JPN | 1953 | 45 | M | 35 | M70 | 1 |
| 68 | 8:02:13 h | 06.07.2025 | Tanaka, Kazuo | JPN | 1947 | 46 | M | 36 | M75 | 1 |
| 69 | 8:02:30 h | 06.07.2025 | Sato, Chikako | JPN | 1965 | 47 | F | 11 | W60 | 1 |
| 70 | 8:06:02 h | 06.07.2025 | Nishida, Kiyoe | JPN | 1961 | 48 | F | 12 | W60 | 2 |
| 71 | 8:09:40 h | 06.07.2025 | Ohi, Tomoko | JPN | 49 | F | 13 | #NA | ||
| 72 | 8:09:41 h | 06.07.2025 | Iwashita, Ichiro | JPN | 1951 | 50 | M | 37 | M70 | 2 |
| 73 | 8:10:59 h | 06.07.2025 | Tanaka, Shoko | JPN | 1978 | 51 | F | 14 | W45 | 1 |
| 74 | 8:11:53 h | 29.09.2024 | Hayashi, Naho | JPN | 23 | F | 7 | #NA | ||
| 75 | 8:13:23 h | 06.07.2025 | Muto, Yumiko | JPN | 1954 | 52 | F | 15 | W70 | 1 |
| 76 | 8:16:33 h | 29.09.2024 | Furusawa, Tomoko | JPN | 24 | F | 8 | #NA | ||
| 77 | 8:22:01 h | 29.09.2024 | Ebisawa, Hideaki | JPN | 25 | M | 17 | #NA | ||
| 78 | 8:24:55 h | 06.07.2025 | Inagaki, Itsuro | JPN | 1960 | 53 | M | 38 | M65 | 4 |
| 79 | 8:24:56 h | 06.07.2025 | Ishiyama, Tomoshi | JPN | 1967 | 55 | M | 39 | M55 | 7 |
| 80 | 8:24:56 h | 06.07.2025 | Kobayashi, Takashi | JPN | 54 | F | 16 | #NA | ||
| 81 | 8:37:48 h | 29.09.2024 | Nishioka, Toshiko | JPN | 26 | F | 9 | #NA | ||
| 82 | 8:39:00 h | 29.09.2024 | Takebayashi, Daiki | JPN | 27 | M | 18 | #NA | ||
| 83 | 8:40:26 h | 06.07.2025 | Matsuda, Hiromi | JPN | 1973 | 56 | F | 17 | W50 | 4 |
| 84 | 8:40:27 h | 06.07.2025 | Imai, Masaki | JPN | 1978 | 57 | F | 18 | W45 | 2 |
| 85 | 8:43:57 h | 06.07.2025 | Ueno, Tatsuo | JPN | 1952 | 58 | M | 40 | M70 | 3 |
| 86 | 8:48:45 h | 06.07.2025 | Watanabe, Yuka | JPN | 1964 | 59 | F | 19 | W60 | 3 |
| 87 | 8:48:45 h | 06.07.2025 | Honda, Manabu | JPN | 1964 | 60 | M | 41 | M60 | 2 |
| 88 | 9:35:58 h | 29.09.2024 | Nishizawa, Satomi | JPN | 28 | F | 10 | #NA | ||
| 89 | 9:43:40 h | 29.09.2024 | Sakomoto, Naoko | JPN | 1943 | 29 | F | 11 | W80 | 1 |




