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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Klaasse, Martijn   Submit Personal Website Send Link 
Club: Av Gouda 
Residence: Gouda
Year of birth: 1985 (Cat. german: M40)
Date of birth: 29.11.1985 (Cat. internat.: M40)
Nationality: NED NED Netherlands
RunnerID: 926450
 

23 search results (19 Events, 1309.314 km).  (More)

2025 1 Event, 50 km  (More)
01.-02.02.2025 HoHo100 - 50km (NED) 50km
3:04:10 h Klaasse, Martijn   Overall: 1 M: 1 Cat M35: 1
2024 2 Events, 160 km  (More)
14.09.2024 RUN Winschoten 100 km - Nederlands Kampioenschap (NED) 100km
6:53:43 h Klaasse, Martijn   Overall: 3 M: 3 Cat M35: 3
14.09.2024 RUN Winschoten 100 km - open race (NED) 100km
6:53:43 h Klaasse, Martijn   Overall: 3 M: 3 Cat M35: 3
24.03.2024 De Zestig van Texel (NED) 60km
4:03:04 h Klaasse, Martijn *Av Gouda  Overall: 2 M: 2 Cat M35: 1
2023 2 Events, 150 km  (More)
14.10.2023 Indian Summer Ultra 100 km (NED) 100km
8:07:59 h Klaasse, Martijn   Overall: 1 M: 1 Cat M35: 1
13.05.2023 Eemlake Run (Eemmeerloop) (NED) 50km
3:14:10 h Klaasse, Martijn *Gouda  Overall: 1 M: 1 Cat M35: 1
2022 6 Events, 404.414 km  (More)
08.10.2022 IAU 50k European Championships (ESP) 50km
3:12:08 h Klaasse, Martijn Team Netherlands MEN  Overall: 27 M: 27 Cat M35: 12
27.08.2022 100 km Berlin Bernau, combined IAU & WMA race - 50km split (GER) 50km
3:25:46 h Klaasse, Martijn   Overall: 47 M: 47 Cat M35: 9
27.08.2022 100 km Berlin Bernau, combined IAU & WMA race - 50mi split (GER) 50mi
5:53:03 h Klaasse, Martijn   Overall: 45 M: 44 Cat M35: 10
27.08.2022 100 km Berlin Bernau, IAU 100 km WC (GER) 100km
7:20:37 h Klaasse, Martijn National team Netherlands  Overall: 53 M: 47 Cat M35: 10
10.07.2022 Veluwezoomtrail Ultra60 (NED) 58km
4:30:40 h Klaasse, Martijn *Gouda  Overall: 1 M: 1 Cat M35: 1
25.06.2022 6 uren van de Haarlemmermeer (NED) 6h
86.414 km Klaasse, Martijn   Overall: 1 M: 1 Cat M35: 1
14.05.2022 50 km UltraRun van Gieten (NED) 50km
3:10:49 h Klaasse, Martijn *Gouda  Overall: 1 M: 1 Cat M35: 1
27.03.2022 De Zestig van Texel (NED) 60km
4:01:35 h Klaasse, Martijn Av Gouda  Overall: 2 M: 2 Cat M35: 1
2021 1 Event, 60 km  (More)
04.07.2021 Veluwezoomtrail Ultra60 (NED) 60km
4:47:19 h Klaasse, Martijn *Gouda  Overall: 2 M: 2 Cat M35: 1
2019 3 Events, 225 km  (More)
19.10.2019 Indian Summer Ultra 120km (NED) 120km
10:42:00 h Klaasse, Martijn   Overall: 1 M: 1 Cat M23: 1
30.03.2019 Trail des Crêtes de Spa (BEL) 55km
4:32:15 h Klaasse, Martijn *Gouda  Overall: 7 M: 7 Cat M23: 4
09.03.2019 SallandTrail 50 km (NED) 50km
3:36:10 h Klaasse, Martijn *Gouda  Overall: 1 M: 1 Cat M23: 1
2018 2 Events, 156.9 km  (More)
20.10.2018 Indian Summer Ultra 102km (NED) 102.9km
8:28:53 h Klaasse, Martijn   Overall: 1 M: 1 Cat M23: 1
02.09.2018 Wisenttrail (NED) 54km
4:14:00 h Klaasse, Martijn *Gouda  Overall: 1 M: 1 Cat M23: 1
2017 2 Events, 103 km  (More)
03.09.2017 Wisenttrail (NED) 53km
4:13:12 h Klaasse, Martijn   Overall: 1 M: 1 Cat M23: 1
11.03.2017 SallandTrail 50 km (NED) 50km
5:00:16 h Klaasse, Martijn *Gouda  Overall: 60 M: 55 Cat M23: 11

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 2019 2018 2017
50km 3:04:10 3:04:10
(76/2) 		 
 
3:12:08
(162/5) 		 
 
 
50mi 5:53:03  
 
 
5:53:03
(56/2) 		 
 
 
100km 6:53:43  
6:53:43
(49/3) 		 
7:20:37
(91/2) 		 
 
 
6h 86.414  
 
 
86.414
(11/1) 		 
 
 

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2019 2018 2017
Indian Summer Ultra 102km 2     8:07:59     8:28:53  
Wisenttrail 2           4:14:00 4:13:12
SallandTrail 50 km 2         3:36:10   5:00:16
De Zestig van Texel 2   4:03:04   4:01:35