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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Koivumäki, Kaj   Submit Personal Website Send Link 
Club: Tammisaari 
Residence: Tampere
Year of birth: 1968 (Cat. german: M55)
Date of birth: 26.01.1968 (Cat. internat.: M55)
Nationality: FIN FIN Finland
RunnerID: 232259
 

40 search results (20 Events, 2073.824 km).  (More)

2025 1 Event, 106.196 km  (More)
22.-23.02.2025 Endurance 24 h Ultrarun Espoo (FIN) 24h
106.196 km Koivumäki, Kaj Team Rahola  Overall: 78 M: 44 Cat M55: 9
22.-23.02.2025 Endurance 24 h Ultrarun Espoo - 50km Split (FIN) 50km
7:47:54 h Koivumäki, Kaj Team Rahola  Overall: 107 M: 67 Cat M55: 12
22.-23.02.2025 Endurance 24 h Ultrarun Espoo - 100km Split (FIN) 100km
21:20:59 h Koivumäki, Kaj Team Rahola  Overall: 84 M: 49 Cat M55: 8
22.-23.02.2025 Endurance 24 h Ultrarun Espoo - 50mi Split (FIN) 50mi
14:22:26 h Koivumäki, Kaj Team Rahola  Overall: 96 M: 58 Cat M55: 9
22.02.2025 Endurance 24 h Ultrarun Espoo - 12h Split (FIN) 12h
71.093 km Koivumäki, Kaj Team Rahola  Overall: 101 M: 61 Cat M55: 10
2023 1 Event, 110.917 km  (More)
25.-26.02.2023 Endurance 24 h Ultrarun Espoo - 50km Split (FIN) 50km
7:50:50 h Koivumäki, Kaj Team Rahola  Overall: 91 M: 59 Cat M55: 7
25.-26.02.2023 Endurance 24 h Ultrarun Espoo - 50mi Split (FIN) 50mi
13:56:47 h Koivumäki, Kaj Team Rahola  Overall: 75 M: 47 Cat M55: 6
25.-26.02.2023 Endurance 24 h Ultrarun Espoo - 100km Split (FIN) 100km
20:17:19 h Koivumäki, Kaj Team Rahola  Overall: 72 M: 46 Cat M55: 6
25.-26.02.2023 Endurance 24 h Ultrarun Espoo (FIN) 24h
110.917 km Koivumäki, Kaj Team Rahola  Overall: 66 M: 42 Cat M55: 6
25.02.2023 Endurance 24 h Ultrarun Espoo - 12h Split (FIN) 12h
72.547 km Koivumäki, Kaj Team Rahola  Overall: 82 M: 51 Cat M55: 6
2020 1 Event, 101.02 km  (More)
22.-23.02.2020 Endurance 24 h Ultrarun Espoo (FIN) 24h
101.020 km Koivumäki, Kaj Team Rahola  Overall: 105 M: 74 Cat M50: 14
2019 3 Events, 251.908 km  (More)
15.06.2019 EcoTrail Stockholm 80 km (SWE) 80km
11:20:39 h Koivumäki, Kaj Team Rahola  Overall: 73 M: 64 Cat M50: 10
25.05.2019 NUTS Karhunkierros 55km Trail Ultra (FIN) 55km
10:05:25 h Koivumäki, Kaj Team Rahola  Overall: 572 M: 356 Cat M50: 19
23.-24.02.2019 Endurance 24 h Ultrarun Espoo - 100km Split (FIN) 100km
16:07:18 h Koivumäki, Kaj   Overall: 89 M: 62 Cat M50: 11
23.-24.02.2019 Endurance 24 h Ultrarun Espoo (FIN) 24h
116.908 km Koivumäki, Kaj Team Rahola  Overall: 81 M: 53 Cat M50: 9
23.-24.02.2019 Endurance 24 h Ultrarun Espoo - 12h Split (FIN) 12h
83.078 km Koivumäki, Kaj   Overall: 90 M: 62 Cat M50: 10
2018 2 Events, 228.856 km  (More)
17.-18.11.2018 Joensuu Night Run 12h - 6h Split (FIN) 6h
47.075 km Koivumäki, Kaj Team Rahola  Overall: 37 M: 25 Cat M50: 5
17.-18.11.2018 Joensuu Night Run 12h (FIN) 12h
78.376 km Koivumäki, Kaj Team Rahola  Overall: 42 M: 27 Cat M50: 6
06.-08.07.2018 Kauhajoki Ultra Running Festival 48h (FIN) 48h
150.480 km Koivumäki, Kaj Team Rahola  Overall: 6 M: 6 Cat M50: 1
2017 3 Events, 273.406 km  (More)
04.-05.11.2017 Joensuu Night Run 12h - 6h Split (FIN) 6h
49.677 km Koivumäki, Kaj Team Rahola  Overall: 28 M: 13 Cat M45: 5
04.-05.11.2017 Joensuu Night Run 12h (FIN) 12h
96.849 km Koivumäki, Kaj Team Rahola  Overall: 16 M: 8 Cat M45: 4
20.05.2017 Kokkola Ultra Run 12h (FIN) 12h
70.856 km Koivumäki, Kaj Team Rahola  Overall: 13 M: 9 Cat M45: 3
25.-26.02.2017 Endurance 24 h Ultrarun Helsinki - 50mi Split (FIN) 50mi
11:56:30 h Koivumäki, Kaj   Overall: 88 M: 58 Cat M45: 11
25.-26.02.2017 Endurance 24 h Ultrarun Helsinki - 100km Split (FIN) 100km
16:01:47 h Koivumäki, Kaj   Overall: 83 M: 57 Cat M45: 10
25.-26.02.2017 Endurance 24 h Ultrarun Helsinki (FIN) 24h
105.701 km Koivumäki, Kaj Team Rahola  Overall: 95 M: 65 Cat M45: 10
25.02.2017 Endurance 24 h Ultrarun Helsinki - 6h Split (FIN) 6h
46.804 km Koivumäki, Kaj   Overall: 89 M: 58 Cat M45: 12
25.02.2017 Endurance 24 h Ultrarun Helsinki - 12h Split (FIN) 12h
80.738 km Koivumäki, Kaj   Overall: 90 M: 59 Cat M45: 11
2016 1 Event, 164.474 km  (More)
27.-28.02.2016 Endurance 24 h Ultrarun Helsinki (FIN) 24h
164.474 km Koivumäki, Kaj Team Rahola  Overall: 47 M: 32 Cat M45: 8
2015 1 Event, 100 km  (More)
24.10.2015 Wihan kilometrit 100km (FIN) 100km
10:59:20 h Koivumäki, Kaj Team Rahola  Overall: 30 M: 24 Cat M45: 5
2014 1 Event, 140.024 km  (More)
22.-23.02.2014 Endurance 24 h Ultrarun Helsinki (FIN) 24h
140.024 km Koivumäki, Kaj *Tampere  Overall: 67 M: 49 Cat M45: 9
22.-23.02.2014 Endurance 24 h Ultrarun Helsinki - 100km Split (FIN) 100km
12:59:54 h Koivumäki, Kaj   Overall: 70 M: 56 Cat M45: 10
22.-23.02.2014 Endurance 24 h Ultrarun Helsinki - 6h Split (FIN) 6h
48.364 km Koivumäki, Kaj   Overall: 91 M: 73 Cat M45: 11
22.-23.02.2014 Endurance 24 h Ultrarun Helsinki - 12h Split (FIN) 12h
93.610 km Koivumäki, Kaj   Overall: 71 M: 56 Cat M45: 10
2013 2 Events, 235.731 km  (More)
20.-21.09.2013 Vierumäki 24h juoksu (FIN) 24h
120.670 km Koivumäki, Kaj *Tampere  Overall: 5 M: 5 Cat M45: 4
23.-24.02.2013 Endurance 24 h Ultrarun Helsinki (FIN) 24h
115.061 km Koivumäki, Kaj *Tammisaari  Overall: 73 M: 56 Cat M45: 11
2012 2 Events, 200 km  (More)
25.08.2012 Masokistin Unelma 100 km (FIN) 100km
11:17:07 h Koivumäki, Kaj Tammisaari  Overall: 18 M: 15 Cat M40: 2
09.-10.06.2012 Suomi-juoksu 100 km, Perniö - 50km Split (FIN) 50km
5:39:25 h Koivumäki, Kaj Tammisaari  Overall: 31 M: 24 Cat M40: 6
09.-10.06.2012 Suomi-juoksu 100 km, Perniö (FIN) 100km
11:46:58 h Koivumäki, Kaj Tammisaari  Overall: 27 M: 22 Cat M40: 6
2011 2 Events, 161.292 km  (More)
17.09.2011 Ossin Unelma 12H Juoksu Nurmo (FIN) 12h
92.492 km Koivumäki, Kaj Tammisaari  Overall: 8 M: 7 Cat M40: 1
06.08.2011 Kivitippu Ultra (FIN) 68.8km
7:56:43 h Koivumäki, Kaj   Overall: 7 M: 6 Cat M40: 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 2023 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
50km 5:39:25 7:47:54
(16361/54) 		7:50:50
(13561/46) 		 
 
 
 
 
 
 
 
5:39:25
(9817/57) 		 
50mi 11:56:30 14:22:26
(1087/41) 		13:56:47
(1082/36) 		 
 
 
11:56:30
(822/43) 		 
 
 
 
 
 
100km 10:59:20 21:20:59
(10066/82) 		20:17:19
(7901/83) 		 
16:07:18
(10944/85) 		 
16:01:47
(9792/92) 		 
10:59:20
(3464/57) 		12:59:54
(7144/93) 		 
11:17:07
(3320/57) 		 
6h 49.677  
 
 
 
47.075
(3143/62) 		49.677
(3144/57) 		 
 
48.364
(3155/97) 		 
 
 
12h 96.849 71.093
(2262/95) 		72.547
(2193/79) 		 
83.078
(1687/63) 		78.376
(1745/44) 		96.849
(1021/44) 		 
 
93.610
(982/48) 		 
 
92.492
(901/32)
24h 164.474 106.196
(2863/41) 		110.917
(2618/36) 		101.020
(1359/52) 		116.908
(2318/43) 		 
105.701
(2709/62) 		164.474
(847/34) 		 
140.024
(1490/30) 		115.061
(2327/37) 		 
 
48h 150.480  
 
 
 
150.480
(380/7) 		 
 
 
 
 
 
 

Comparison table

Comparison of performances in races with multiple participations

   2025 2023 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
Endurance 24 h Ultrarun Helsinki 8 106.196 110.917 101.020 116.908   105.701 164.474   140.024 115.061    
Joensuu Night Run 12h 2         78.376 96.849