JapanFixed distance
Chiba Ultra Marathon 100km Run
2–3 Aug2025
Distance
100km
Finishers
3830 men8 women
Winning time
10:33:42h
Median pace
5.94km/h
Pace distribution
38 finishers · 5.56–9.47 km/h · mean 6.39
Every finisher ran the same 100 km course, so these paces are directly comparable.
Histogram of finisher pace. 38 finishers ranged from 5.56 to 9.47 kilometres per hour, with a mean of 6.39 and a median of 5.94. The busiest band is 5.5 to 6.0 kilometres per hour, with 19 finishers.
Results
Ranks 1–38 of 38
| Rank | Runner | Time | Pace | Cat. | Placing |
|---|---|---|---|---|---|
| 1 | Nakagawa, SatoshiJapanMan 足柄男塾 | 10:33:42h | 9.47 | M50 | 1st M · 1st M50 |
| 2 | Kadowaki, KenjiJapanMan 見沼の風 | 12:05:46h | 8.27 | M50 | 2nd M · 2nd M50 |
| 3 | Haga, MamoruJapanMan Src西船橋 | 12:09:37h | 8.22 | M40 | 3rd M · 1st M40 |
| 4 | Mitani, AkiraJapanMan 弘前公園rc | 12:25:20h | 8.05 | M50 | 4th M · 3rd M50 |
| 5 | Ishihara, KojiJapanMan 木更津夜走 | 12:43:48h | 7.86 | — | 5th M |
| 6 | Unuma, TakumiJapanMan | 13:46:00h | 7.26 | M40 | 6th M · 2nd M40 |
| 7 | Yano, ShiyoushiJapanMan 竜太練rtrt | 14:07:55h | 7.08 | — | 7th M |
| 8 | Haga, ShoichiJapanMan サニエスリンク | 14:16:49h | 7.00 | — | 8th M |
| 9 | Negoro, NaokiJapanMan | 14:26:36h | 6.92 | M50 | 9th M · 4th M50 |
| 10 | Tajima, TakuyaJapanMan | 14:52:32h | 6.72 | M50 | 10th M · 5th M50 |
| 11 | Shigeta, KazuhideJapanMan 新三郷楽走会 | 15:01:08h | 6.66 | — | 11th M |
| 12 | Abo, JunJapanMan マルマンrc | 15:15:39h | 6.55 | M45 | 12th M · 1st M45 |
| 13 | Takahashi, MasayoJapanWoman Gmrc幕張 | 15:29:30h | 6.46 | — | 1st F |
| 14 | Takehiro, NobuyukiJapanMan たけちよ | 15:29:39h | 6.45 | M45 | 13th M · 2nd M45 |
| 15 | Watanabe, TakaoJapanMan 木更津夜走 | 15:49:00h | 6.32 | M35 | 14th M · 1st M35 |
| 16 | Uehara, KensukeJapanMan チームのじ | 15:53:47h | 6.29 | M40 | 15th M · 3rd M40 |
| 17 | Usawa, MayumiJapanWoman | 16:08:12h | 6.20 | — | 2nd F |
| 18 | Onuma, HiromiJapanWoman | 16:25:15h | 6.09 | W60 | 3rd F · 1st W60 |
| 19 | Kobayashi, HirotoJapanMan | 16:25:25h | 6.09 | M50 | 16th M · 6th M50 |
| 20 | Oshima, ToshitakaJapanMan | 16:50:44h | 5.94 | — | 17th M |
| 21 | Umezawa, YasuhiroJapanMan | 16:52:25h | 5.93 | M50 | 18th M · 7th M50 |
| 22 | Yamamoto, AkihiroJapanMan サニエスリンク | 16:55:53h | 5.91 | M40 | 19th M · 4th M40 |
| 23 | Yamamoto, HiroshiJapanMan | 17:10:19h | 5.82 | M60 | 20th M · 1st M60 |
| 24 | Takizawa, MikaJapanWoman | 17:10:30h | 5.82 | W50 | 4th F · 1st W50 |
| 25 | Takano, HisashiJapanMan CR.M | 17:20:05h | 5.77 | M50 | 21st M · 8th M50 |
| 26 | Hirohata, KiyomiJapanMan ナイスおっさん | 17:20:37h | 5.77 | M55 | 22nd M · 1st M55 |
| 27 | Motoyoshi, HideyukiJapanMan 木更津夜走 | 17:28:04h | 5.72 | M45 | 23rd M · 3rd M45 |
| 28 | Fuse, YukikoJapanWoman チームあろ~は | 17:29:31h | 5.72 | W40 | 5th F · 1st W40 |
| 29 | Fuse, MitsuhiroJapanMan チームあろ~は | 17:29:38h | 5.72 | M50 | 24th M · 9th M50 |
| 30 | Koyama, YumiJapanWoman Ktハマー | 17:33:15h | 5.70 | W55 | 6th F · 1st W55 |
| 31 | Kawauchi, YoshihiroJapanMan | 17:34:25h | 5.69 | M55 | 25th M · 2nd M55 |
| 32 | Sato, ToshioJapanMan | 17:37:06h | 5.68 | M60 | 26th M · 2nd M60 |
| 33 | Horiike, KazutoshiJapanMan | 17:41:46h | 5.65 | M65 | 27th M · 1st M65 |
| 34 | Takayama, YokoJapanWoman | 17:46:10h | 5.63 | W35 | 7th F · 1st W35 |
| 35 | Saito, ToshiharuJapanMan | 17:52:09h | 5.60 | — | 28th M |
| 36 | Kagawa, YoshiakiJapanMan | 17:52:09h | 5.60 | M55 | 28th M · 3rd M55 |
| 37 | Murakami, FumikiJapanMan | 17:54:54h | 5.58 | M50 | 30th M · 10th M50 |
| 38 | Morioka, YoshikoJapanWoman 木更津夜走 | 17:59:45h | 5.56 | — | 8th F |
- 1Nakagawa, SatoshiJapanMan足柄男塾1st M · 1st M50Time10:33:42hPace9.47Cat.M50
- 2Kadowaki, KenjiJapanMan見沼の風2nd M · 2nd M50Time12:05:46hPace8.27Cat.M50
- 3Haga, MamoruJapanManSrc西船橋3rd M · 1st M40Time12:09:37hPace8.22Cat.M40
- 4Mitani, AkiraJapanMan弘前公園rc4th M · 3rd M50Time12:25:20hPace8.05Cat.M50
- 5Ishihara, KojiJapanMan木更津夜走5th MTime12:43:48hPace7.86
- 6Unuma, TakumiJapanMan6th M · 2nd M40Time13:46:00hPace7.26Cat.M40
- 7Yano, ShiyoushiJapanMan竜太練rtrt7th MTime14:07:55hPace7.08
- 8Haga, ShoichiJapanManサニエスリンク8th MTime14:16:49hPace7.00
- 9Negoro, NaokiJapanMan9th M · 4th M50Time14:26:36hPace6.92Cat.M50
- 10Tajima, TakuyaJapanMan10th M · 5th M50Time14:52:32hPace6.72Cat.M50
- 11Shigeta, KazuhideJapanMan新三郷楽走会11th MTime15:01:08hPace6.66
- 12Abo, JunJapanManマルマンrc12th M · 1st M45Time15:15:39hPace6.55Cat.M45
- 13Takahashi, MasayoJapanWomanGmrc幕張1st FTime15:29:30hPace6.46
- 14Takehiro, NobuyukiJapanManたけちよ13th M · 2nd M45Time15:29:39hPace6.45Cat.M45
- 15Watanabe, TakaoJapanMan木更津夜走14th M · 1st M35Time15:49:00hPace6.32Cat.M35
- 16Uehara, KensukeJapanManチームのじ15th M · 3rd M40Time15:53:47hPace6.29Cat.M40
- 17Usawa, MayumiJapanWoman2nd FTime16:08:12hPace6.20
- 18Onuma, HiromiJapanWoman3rd F · 1st W60Time16:25:15hPace6.09Cat.W60
- 19Kobayashi, HirotoJapanMan16th M · 6th M50Time16:25:25hPace6.09Cat.M50
- 20Oshima, ToshitakaJapanMan17th MTime16:50:44hPace5.94
- 21Umezawa, YasuhiroJapanMan18th M · 7th M50Time16:52:25hPace5.93Cat.M50
- 22Yamamoto, AkihiroJapanManサニエスリンク19th M · 4th M40Time16:55:53hPace5.91Cat.M40
- 23Yamamoto, HiroshiJapanMan20th M · 1st M60Time17:10:19hPace5.82Cat.M60
- 24Takizawa, MikaJapanWoman4th F · 1st W50Time17:10:30hPace5.82Cat.W50
- 25Takano, HisashiJapanManCR.M21st M · 8th M50Time17:20:05hPace5.77Cat.M50
- 26Hirohata, KiyomiJapanManナイスおっさん22nd M · 1st M55Time17:20:37hPace5.77Cat.M55
- 27Motoyoshi, HideyukiJapanMan木更津夜走23rd M · 3rd M45Time17:28:04hPace5.72Cat.M45
- 28Fuse, YukikoJapanWomanチームあろ~は5th F · 1st W40Time17:29:31hPace5.72Cat.W40
- 29Fuse, MitsuhiroJapanManチームあろ~は24th M · 9th M50Time17:29:38hPace5.72Cat.M50
- 30Koyama, YumiJapanWomanKtハマー6th F · 1st W55Time17:33:15hPace5.70Cat.W55
- 31Kawauchi, YoshihiroJapanMan25th M · 2nd M55Time17:34:25hPace5.69Cat.M55
- 32Sato, ToshioJapanMan26th M · 2nd M60Time17:37:06hPace5.68Cat.M60
- 33Horiike, KazutoshiJapanMan27th M · 1st M65Time17:41:46hPace5.65Cat.M65
- 34Takayama, YokoJapanWoman7th F · 1st W35Time17:46:10hPace5.63Cat.W35
- 35Saito, ToshiharuJapanMan28th MTime17:52:09hPace5.60
- 36Kagawa, YoshiakiJapanMan28th M · 3rd M55Time17:52:09hPace5.60Cat.M55
- 37Murakami, FumikiJapanMan30th M · 10th M50Time17:54:54hPace5.58Cat.M50
- 38Morioka, YoshikoJapanWoman木更津夜走8th FTime17:59:45hPace5.56