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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   Dolomiti Extreme Trail  
Name: Kobayashi, Yoshiaki 小林義明   Submit Personal Website Send Link 
Club: 横瀬陸協 
Residence: Saitama Pref.
Year of birth: 1972 (Cat. german: M50)
Date of birth: 07.11.1972 (Cat. internat.: M50)
Nationality: JPN JPN Japan
RunnerID: 9636
 

28 search results (23 Events, 2244 km).  (More)

2025 1 Event, 102 km  (More)
17.-18.05.2025 Kobe Akashi Ultra Marathon (JPN) 102km
27:38:08 h Kobayashi, Yoshiaki   Overall: 174 M: 125 Cat M50: 6
2022 1 Event, 100 km  (More)
09.10.2022 Echigo Kubikino 100km Ultramarathon (JPN) 100km
12:26:49 h Kobayashi, Yoshiaki *Niigata Pref.  Overall: 420 M: 361 Cat M45: 70
2018 2 Events, 200 km  (More)
09.09.2018 100 km Ultramarathon Hakusan-Shirakawago (JPN) 100km
12:47:07 h Kobayashi, Yoshiaki *Tsubata  Overall: 321 M: 291 Cat M45: 38
24.06.2018 Lake Saroma 100 Km Ultramarathon (JPN) 100km
10:32:13 h Kobayashi, Yoshiaki   Overall: 607 M: 546 Cat M45: 125
2017 2 Events, 170 km  (More)
10.09.2017 70 km Ultramarathon Hakusan-Shirakawago (JPN) 70km
9:53:06 h Kobayashi, Yoshiaki *Tsubata  Overall: 193 M: 150 Cat M40: 10
25.06.2017 Lake Saroma 100 Km Ultramarathon (JPN) 100km
10:46:33 h Kobayashi, Yoshiaki 横瀬陸協  Overall: 591 M: 540 Cat M40: 117
2016 1 Event, 100 km  (More)
26.06.2016 Lake Saroma 100 Km Ultramarathon (JPN) 100km
12:29:48 h Kobayashi, Yoshiaki 秩父陸協  Overall: 1988 M: 1730 Cat M40: 327
2014 1 Event, 100 km  (More)
29.06.2014 Lake Saroma 100 Km Ultramarathon (JPN) 100km
11:25:33 h Kobayashi, Yoshiaki 秩父市陸上競技協会  Overall: 596 M: 521 Cat M40: 103
2013 1 Event, 100 km  (More)
30.06.2013 Lake Saroma 100 Km Ultramarathon (JPN) 100km
9:48:49 h Kobayashi, Yoshiaki 秩父市陸上競技協会  Overall: 274 M: 254 Cat M40: 55
2012 1 Event, 100 km  (More)
24.06.2012 Lake Saroma 100 Km Ultramarathon (JPN) 100km
9:37:34 h Kobayashi, Yoshiaki *Saitama Pref.  Overall: 255 M: 228 Cat M35: 42
2011 1 Event, 100 km  (More)
26.06.2011 Lake Saroma 100 Km Ultramarathon (JPN) 100km
9:20:52 h Kobayashi, Yoshiaki *Saitama Pref.  Overall: 161 M: 143 Cat M35: 29
2010 1 Event, 100 km  (More)
27.06.2010 Lake Saroma 100 Km Ultramarathon (JPN) 100km
9:10:40 h Kobayashi, Yoshiaki Yokoze Town Athletic Association  Overall: 97 M: 88 Cat M35: 22
2009 2 Events, 172 km  (More)
28.06.2009 Lake Saroma 100 Km Ultramarathon (JPN) 100km
8:38:07 h Kobayashi, Yoshiaki Yokoze Town Athletic Association  Overall: 71 M: 65 Cat M35: 13
26.04.2009 Fuji 5 Lakes 72 km Challenge (JPN) 72km
5:32:46 h Kobayashi, Yoshiaki 横瀬町陸協  Overall: 6 M: 6 Cat M35: 2
2007 2 Events, 200 km  (More)
08.09.2007 RUN Winschoten 100 km - 50km Split (NED) 50km
3:16:53 h Kobayashi, Yoshiaki Nationalteam Japan  Overall: 10 M: 10 Cat M23: 4
08.09.2007 RUN Winschoten 100 km (NED) 100km
7:12:08 h Kobayashi, Yoshiaki Nationalteam Japan  Overall: 25 M: 24 Cat M23: 9
08.09.2007 IAU 100km WC (RUN Winschoten 100 km) (NED) 100km
7:12:08 h Kobayashi, Yoshiaki Nationalteam Japan  Overall: 24 M: 23 Cat M23: 8
24.06.2007 Lake Saroma 100 Km Ultramarathon (JPN) 100km
7:06:04 h Kobayashi, Yoshiaki   Overall: 7 M: 7 Cat M23: 4
2006 2 Events, 200 km  (More)
08.10.2006 IAU 100km WC Misari/Seoul (KOR) 100km
7:13:34 h Kobayashi, Yoshiaki National team Japan  Overall: 19 M: 19 Cat M23: 7
08.10.2006 IAU 100km WC Misari/Seoul - 50km Split (KOR) 50km
3:13:55 h Kobayashi, Yoshiaki Nationalteam Japan  Overall: 5 M: 5 Cat M23: 3
25.06.2006 Lake Saroma 100 Km Ultramarathon (JPN) 100km
6:49:15 h Kobayashi, Yoshiaki Nationalteam Japan  Overall: 1 M: 1 Cat M23: 1
2005 1 Event, 100 km  (More)
26.06.2005 IAU 100km WC Yubetsu (20. Lake Saroma 100 Km Ultramarathon) (JPN) 100km
6:49:43 h Kobayashi, Yoshiaki Nationalteam Japan  Overall: 5 M: 5 Cat M23: 2
26.06.2005 IAU 100km WC Yubetsu (20. Lake Saroma 100 Km Ultramarathon) - 50 km Split (JPN) 50km
3:12:42 h Kobayashi, Yoshiaki   Overall: 7 M: 7 Cat M23: 2
2004 2 Events, 200 km  (More)
11.09.2004 IAU 100km WC Winschoten (NED) 100km
6:46:16 h Kobayashi, Yoshiaki Nationalteam Japan  Overall: 9 M: 9 Cat M23: 2
11.09.2004 IAU 100km WC Winschoten - 50mi split (NED) 50mi
6:02:31 h Kobayashi, Yoshiaki   Overall: 8 M: 8 Cat M23: 2
27.06.2004 Lake Saroma 100 Km Ultramarathon (JPN) 100km
6:57:55 h Kobayashi, Yoshiaki   Overall: 3 M: 3 Cat M23: 3
2003 2 Events, 200 km  (More)
16.11.2003 IAU 100km WC Taipei (TPE) 100km
9:00:13 h Kobayashi, Yoshiaki   Overall: 47 M: 37 Cat M23: 8
29.06.2003 Lake Saroma 100 Km Ultramarathon (JPN) 100km
6:38:06 h Kobayashi, Yoshiaki 新電元工業(株)  Overall: 1 M: 1 Cat M23: 1

Personal bests

Your list of personal best performances only contains performances of races which can be included into rankings.

In brackets rank in yearly international/national rankings.

 PB 2025 2022 2018 2017 2016 2014 2013 2012 2011 2010 2009 2007 2006 2005 2004 2003
50km 3:12:42  
 
 
 
 
 
 
 
 
 
 
3:16:53
(85/7) 		3:13:55
(60/1) 		3:12:42
(49/3) 		 
 
50mi 6:02:31  
 
 
 
 
 
 
 
 
 
 
 
 
 
6:02:31
(11/1) 		 
100km 6:38:06  
 
10:32:13
(2392/975) 		10:46:33
(2586/1046) 		12:29:48
(6206/3262) 		11:25:33
(3592/1123) 		9:48:49
(1409/414) 		9:37:34
(1137/289) 		9:20:52
(842/193) 		9:10:40
(672/125) 		8:38:07
(394/87) 		7:06:04
(34/9) 		6:49:15
(17/1) 		6:49:43
(13/3) 		6:46:16
(11/2) 		6:38:06
(8/1)

Comparison table

Comparison of performances in races with multiple participations

   2025 2022 2018 2017 2016 2014 2013 2012 2011 2010 2009 2007 2006 2005 2004 2003
Lake Saroma 100 Km Ultramarathon 14     10:32:13 10:46:33 12:29:48 11:25:33 9:48:49 9:37:34 9:20:52 9:10:40 8:38:07 7:06:04 6:49:15 6:49:43 6:57:55 6:38:06
IAU 100km WC Winschoten 2                       7:12:08     6:46:16