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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Grotenhuis, John   Submit Personal Website Send Link 
Club: Estes Valley Trail Runners 
Residence: Breckenridge, CO
Year of birth: 1993 (Cat. german: M30)
Date of birth: 00.00.0000 (Cat. internat.: M23)
Nationality: USA USA United States
RunnerID: 846380
 

35 search results (35 Events, 3358.498 km).  (More)

2025 2 Events, 420.037 km  (More)
13.-17.06.2025 Tahoe 200 Mile Endurance Run (USA) 206mi
3d 17:56:42 h Grotenhuis, John *Estes Park, CO  Overall: 75 M: 65 Cat M23: 21
22.02.2025 Moab Red Hot 55Mile (USA) 55mi
12:08:49 h Grotenhuis, John *Estes Park, CO  Overall: 29 M: 26 Cat M23: 13
2024 5 Events, 409.691 km  (More)
05.-06.10.2024 Rocky’s Backyard Ultra Colorado (USA) 29h
60.354 km Grotenhuis, John *Estes Park, CO  Overall: 30 M: 26 Cat M23: 12
17.-18.08.2024 Leadville Trail 100 Mile (USA) 100mi
28:44:14 h Grotenhuis, John *Estes Park, CO  Overall: 233 M: 199 Cat M23: 69
06.07.2024 Leadville Silver Rush 50 Mile Run (USA) 50mi
10:38:30 h Grotenhuis, John   Overall: 152 M: 115 Cat M23: 44
10.05.2024 Cocodona 36 Mile Race (USA) 36mi
9:12:58 h Grotenhuis, John *Durango, CO  Overall: 47 M: 34 Cat M23: 6
13.04.2024 Rattler Trail Race 50K (USA) 50km
6:24:44 h Grotenhuis, John *Durango, CO  Overall: 20 M: 17 Cat M23: 8
2023 2 Events, 130.467 km  (More)
08.07.2023 Leadville Silver Rush 50 Mile Run (USA) 50mi
10:22:08 h Grotenhuis, John *Durango, CO  Overall: 132 M: 106 Cat M23: 45
28.01.2023 Arches Ultra 50 km Race (USA) 50km
5:12:58 h Grotenhuis, John *Durango, CO  Overall: 21 M: 17 Cat M23: 13
2022 4 Events, 392.401 km  (More)
19.11.2022 Dead Horse 50 km Race (USA) 50km
4:34:44 h Grotenhuis, John *Durango, CO  Overall: 22 M: 14 Cat M23: 4
26.08.2022 Courmayeur-Champex-Chamonix (CCC) (ITA) 101km
19:40:36 h Grotenhuis, John Estes Valley Trail Runners  Overall: 725 M: 629 Cat M23: 197
17.-18.06.2022 Bighorn Mountain Wild & Scenic 100 Mile Trail Run (USA) 100mi
26:32:20 h Grotenhuis, John *Estes Park, CO  Overall: 17 M: 14 Cat M23: 5
26.03.2022 Behind the Rocks 50 Mile Race (USA) 50mi
9:41:06 h Grotenhuis, John *Estes Park, CO  Overall: 17 M: 15 Cat M23: 7
2021 4 Events, 680.33 km  (More)
04.-05.12.2021 Brazos Bend 100 (USA) 100mi
22:59:41 h Grotenhuis, John *Estes Park, CO  Overall: 37 M: 28 Cat M23: 2
05.09.2021 Breck Crest 50 km Race (USA) 50km
7:04:03 h Grotenhuis, John *Estes Park, CO  Overall: 5 M: 4 Cat M23: 1
05.06.2021 Last Runner Standing Run (USA) 16h
67.060 km Grotenhuis, John *Estes Park, CO  Overall: 10 M: 7 Cat M23: 4
03.-08.05.2021 Cocodona 250 Mile Race (USA) 250mi
4d 08:15:32 h Grotenhuis, John *Estes Park, CO  Overall: 30 M: 23 Cat M23: 4
2020 2 Events, 150 km  (More)
15.02.2020 Black Canyon Trail 100 Km Run (USA) 100km
13:45:45 h Grotenhuis, John *Estes Park, CO  Overall: 214 M: 160 Cat M23: 64
25.01.2020 Arches Ultra 50 km Race (USA) 50km
4:34:35 h Grotenhuis, John *Estes Park, CO  Overall: 31 M: 27 Cat M23: 16
2019 5 Events, 390.113 km  (More)
13.-14.09.2019 Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run (USA) 100mi
27:13:36 h Grotenhuis, John *Estes Park, CO  Overall: 17 M: 16 Cat M23: 5
24.08.2019 Continental Divide Trail Run (USA) 50km
5:06:51 h Grotenhuis, John *Estes Park, CO  Overall: 14 M: 12 Cat M23: 10
13.-14.04.2019 24 Hours of Palmer Lake Fun Run (USA) 24h
79.179 km Grotenhuis, John *Estes Park, CO  Overall: 49 M: 32 Cat M23: 9
23.03.2019 Behind the Rocks 50Km Race (USA) 50km
7:38:15 h Grotenhuis, John *Estes Park, CO  Overall: 176 M: 121 Cat M23: 59
26.01.2019 Arches Ultra 50 km Race (USA) 50km
5:39:01 h Grotenhuis, John *Breckenridge, CO  Overall: 42 M: 33 Cat M23: 16
2018 6 Events, 470.934 km  (More)
01.09.2018 Estes Epic 55km Trail Run (USA) 55km
6:38:25 h Grotenhuis, John *Breckenridge, CO  Overall: 8 M: 8 Cat M23: 4
18.-19.08.2018 Leadville Trail 100 Mile (USA) 100mi
27:27:10 h Grotenhuis, John *Boulder, CO  Overall: 140 M: 127 Cat M23: 40
28.07.2018 Pikes Peak Ultra 50 Km (USA) 50km
6:20:52 h Grotenhuis, John *Estes Park, CO  Overall: 11 M: 8 Cat M23: 6
12.05.2018 Quicksilver 100 km Endurance Run (USA) 100km
13:50:53 h Grotenhuis, John *Estes Park, CO  Overall: 50 M: 40 Cat M23: 10
28.04.2018 Cheyenne Mountain Trail Race (USA) 50km
5:15:39 h Grotenhuis, John *Estes Park, CO  Overall: 5 M: 5 Cat M23: 4
17.02.2018 Moab Red Hot 55k (USA) 55km
5:26:59 h Grotenhuis, John *Boulder, CO  Overall: 36 M: 33 Cat M23: 20
2017 2 Events, 166.245 km  (More)
18.11.2017 Dead Horse 50 Mile Race (USA) 50mi
8:35:10 h Grotenhuis, John *Boulder, CO  Overall: 18 M: 13 Cat M23: 6
15.-16.04.2017 24 Hours of Palmer Lake Fun Run (USA) 24h
85.778 km Grotenhuis, John *Boulder, CO  Overall: 40 M: 25 Cat M23: 8
2016 2 Events, 98.28 km  (More)
10.09.2016 Devil on the Divide Ultra (USA) 50km
7:14:49 h Grotenhuis, John *Greeley, CO  Overall: 29 M: 23 Cat MU23: 2
20.08.2016 Continental Divide Trail Run (USA) 30mi
6:10:57 h Grotenhuis, John   Overall: 11 M: 8 Cat MU23: 2
2013 1 Event, 50 km  (More)
10.08.2013 El Vaquero Loco 50K Mountain Race (USA) 50km
7:45:12 h Grotenhuis, John *Breckenridge, CO  Overall: 32 M: 23 Cat MU23: 3

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 2020 2019 2018 2017 2016 2013

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2013
Arches Ultra 50 km Race 3     5:12:58     4:34:35 5:39:01        
Continental Divide Trail Run 2             5:06:51     6:10:57  
24 Hours of Palmer Lake Fun Run 2             79.179   85.778    
Leadville Silver Rush 50 Mile Run 2   10:38:30 10:22:08                
Leadville Trail 100 Mile 2   28:44:14           27:27:10