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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Oikawa, Koki 及川光紀   Submit Personal Website Send Link 
Club:  
Residence: Chiba Pref.
Year of birth: 1965 (Cat. german: M60)
Date of birth: 00.00.0000 (Cat. internat.: M60)
Nationality: JPN JPN Japan
RunnerID: 735571
 

38 search results (32 Events, 7023 km).  (More)

2025 4 Events, 904 km  (More)
01.-02.11.2025 Mito Kaido Journey run (JPN) 130km/2stages
19:39:14 h Oikawa, Koki *Chiba Pref.  Overall: 43 M: 36 Cat M55: 8
02.11.2025 Mito Kaido Journey run - Stage 2 (JPN) 68.1km
10:36:56 h Oikawa, Koki *Chiba Pref.  Overall: 52 M: 45 Cat M55: 9
01.11.2025 Mito Kaido Journey run - Stage 1 (JPN) 62.2km
9:02:18 h Oikawa, Koki *Chiba Pref.  Overall: 36 M: 30 Cat M55: 6
14.-15.09.2025 Utsukushima Fukushima Journey Run 122K (JPN) 122km
22:25:22 h Oikawa, Koki *Chiba Pref.  Overall: 46 M: 35 Cat M55: 9
30.04.-05.05.2025 River Road Foot Race 514 Km (JPN) 516km
5d 11:42:46 h Oikawa, Koki *Chiba Pref.  Overall: 85 M: 68 Cat M55: 19
15.-16.03.2025 Arakawa Riverside Journey Stage Race (JPN) 136km/2stages
19:50:16 h Oikawa, Koki *Chiba Pref.  Overall: 35 M: 25 Cat M55: 4
16.03.2025 Arakawa Riverside Journey Stage Race - Stage 2 (JPN) 54.2km
8:10:23 h Oikawa, Koki *Chiba Pref.  Overall: 49 M: 39 Cat M55: 8
15.03.2025 Arakawa Riverside Journey Stage Race - Stage 1 (JPN) 82km
11:39:53 h Oikawa, Koki *Chiba Pref.  Overall: 57 M: 43 Cat M55: 8
2024 3 Events, 780 km  (More)
16.-17.11.2024 Mito Kaido Journey run (JPN) 130km
21:55:51 h Oikawa, Koki *Chiba Pref.  Overall: 58 M: 51 Cat M55: 9
30.04.-05.05.2024 River Road Foot Race 514 Km (JPN) 514km
5d 09:36:56 h Oikawa, Koki *Chiba Pref.  Overall: 63 M: 50 Cat M55: 17
16.-17.03.2024 Arakawa Riverside Journey Stage Race (JPN) 136km/2stages
20:05:06 h Oikawa, Koki *Chiba Pref.  Overall: 52 M: 35 Cat M55: 8
17.03.2024 Arakawa Riverside Journey Stage Race - Stage 2 (JPN) 54.2km
8:06:09 h Oikawa, Koki *Chiba Pref.  Overall: 75 M: 56 Cat M55: 10
16.03.2024 Arakawa Riverside Journey Stage Race - Stage 1 (JPN) 82km
11:58:57 h Oikawa, Koki *Chiba Pref.  Overall: 94 M: 67 Cat M55: 15
2023 4 Events, 925 km  (More)
18.-19.11.2023 Mito Kaido Journey run (JPN) 130km
22:24:58 h Oikawa, Koki *Chiba Pref.  Overall: 82 M: 65 Cat M55: 10
17.-18.09.2023 Utsukushima Fukushima Journey Run 127K (JPN) 127km
23:50:52 h Oikawa, Koki *Chiba Pref.  Overall: 34 M: 26 Cat M55: 7
30.04.-05.05.2023 River Road Foot Race 513 Km (JPN) 513km
5d 11:52:54 h Oikawa, Koki   Overall: 83 M: 70 Cat M55: 24
01.-02.04.2023 Tone River Run Up Journey Run Downstream (JPN) 155km
24:46:09 h Oikawa, Koki *Chiba Pref.  Overall: 14 M: 13 Cat M55: 4
2022 4 Events, 686 km  (More)
03.-04.09.2022 Tone River Run Up Journey Run Upstream (JPN) 121km
22:24:51 h Oikawa, Koki   Overall: 42 M: 35 Cat M55: 8
18.-19.06.2022 Nikko Sennin Concentric Highway Journey Run (JPN) 159km
29:51:00 h Oikawa, Koki *Chiba Pref.  Overall: 65 M: 49 Cat M55: 17
03.-05.05.2022 River Road Foot Race 254 Km (JPN) 251km
2d 04:51:48 h Oikawa, Koki *Chiba Pref.  Overall: 31 M: 26 Cat M55: 3
02.-03.04.2022 Tone River Run Up Journey Run Downstream (JPN) 155km
24:59:00 h Oikawa, Koki *Chiba Pref.  Overall: 40 M: 34 Cat M55: 10
2021 1 Event, 155 km  (More)
09.-10.10.2021 Tone River Run Up Journey Run Downstream (JPN) 155km
26:18:00 h Oikawa, Koki *Chiba Pref.  Overall: 42 M: 36 Cat M55: 9
2019 3 Events, 721 km  (More)
13.-15.07.2019 Michinoku Tsugaru Journey Run 263K (JPN) 263km
2d 01:38:36 h Oikawa, Koki *Chiba Pref.  Overall: 86 M: 76 Cat M50: 14
03.-05.05.2019 River Road Foot Race 254 Km (JPN) 254km
2d 01:20:44 h Oikawa, Koki   Overall: 29 M: 27 Cat M50: 7
23.-24.02.2019 Little Edo Oedo 200k (JPN) 204km
33:32:24 h Oikawa, Koki *Chiba Pref.  Overall: 138 M: 131 Cat M50: 28
2017 2 Events, 724 km  (More)
30.04.-05.05.2017 River Road Foot Race 520 Km (JPN) 520km
5d 09:25:29 h Oikawa, Koki   Overall: 61 M: 58 Cat M50: 19
04.-05.03.2017 Little Edo Oedo 200k (JPN) 204km
32:47:08 h Oikawa, Koki   Overall: 118 M: 105 Cat M50: 24
2016 2 Events, 633 km  (More)
30.04.-05.05.2016 River Road Foot Race 520 Km (JPN) 520km
5d 11:44:00 h Oikawa, Koki   Overall: 84 M: 73 Cat M50: 20
05.-06.03.2016 Oedo Night run 113k (JPN) 113km
14:55:37 h Oikawa, Koki *Kashiwa, Chiba  Overall: 16 M: 14 Cat M50: 6
2015 1 Event, 255 km  (More)
03.-05.05.2015 River Road Foot Race 255 Km (JPN) 255km
47:30:33 h Oikawa, Koki   Overall: 9 M: 7 Cat M45: 1
2014 1 Event, 112 km  (More)
01.-02.03.2014 Oedo Night run 112k (JPN) 112km
14:12:41 h Oikawa, Koki *Chiba Pref.  Overall: 5 M: 5 Cat M45: 1
2012 1 Event, 265 km  (More)
30.04.-02.05.2012 River Road Foot Race 265 Km (JPN) 265km
2d 05:55:00 h Oikawa, Koki   Overall: 12 M: 12 Cat M45: 6
2010 2 Events, 408 km  (More)
17.-18.09.2010 Karisakatoge beyond Chichibu Run (JPN) 143km
22:46:44 h Oikawa, Koki *Chiba Pref.  Overall: 53 M: 46 Cat M40: 11
30.04.-02.05.2010 River Road Foot Race 265 Km (JPN) 265km
2d 08:35:10 h Oikawa, Koki *Chiba Pref.  Overall: 9 M: 7 Cat M40: 2
2009 1 Event, 112 km  (More)
26.04.2009 Fuji 5 Lakes 112 km Challenge (JPN) 112km
11:11:30 h Oikawa, Koki   Overall: 25 M: 22 Cat M40: 4
2008 2 Events, 243 km  (More)
14.-15.09.2008 Karisakatoge beyond Chichibu Run (JPN) 143km
20:45:39 h Oikawa, Koki *Kashiwa, Chiba Pref.  Overall: 29 M: 27 Cat M40: 7
08.06.2008 Iwate Ginga 100km Marathon Challenge (JPN) 100km
9:50:23 h Oikawa, Koki *Chiba Pref.  Overall: 36 M: 33 Cat M40: 10
2007 1 Event, 100 km  (More)
20.05.2007 Yatsugatake Nobeyama 100 km (JPN) 100km
11:07:04 h Oikawa, Koki   Overall: 99 M: 90 Cat M40: 19

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 2024 2023 2022 2021 2019 2017 2016 2015 2014 2012 2010 2009 2008 2007

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2019 2017 2016 2015 2014 2012 2010 2009 2008 2007
River Road Foot Race 520 Km 5 131:42:46 129:36:56 131:52:54       129:25:29 131:44:00              
Mito Kaido Journey run 3 19:39:14 21:55:51 22:24:58                        
Tone River Run Up Journey Run Downstream 3     24:46:09 24:59:00 26:18:00                    
River Road Foot Race 255 Km 3       52:51:48   49:20:44     47:30:33            
Arakawa Riverside Journey Stage Race 2 19:50:16 20:05:06                          
River Road Foot Race 265 Km 2                     53:55:00 56:35:10      
Karisakatoge beyond Chichibu Run 2                       22:46:44   20:45:39  
Oedo Night run 112k 2               14:55:37   14:12:41          
Little Edo Oedo 200k 2           33:32:24 32:47:08