DUV ULTRA STATS

Grotenhuis, John

United StatesManBorn 19932013 – 2026Runner id 846380
Events
34
32 race dates
Best pace
10.926
km/h · 2020
Best finish
22nd
of 347 · 2022
Distance raced
3,279
km · splits not double-counted

Pace over time

32 of 34 results · km/h

2.74.97.19.311.520132026

Pace over time: 32 races from 2013 to 2026, ranging from 3.30 to 10.93 kilometres per hour, where higher is faster. A second, age-graded series is drawn above it; the gap between the two is the age credit.

  • Actual pace
  • Age-graded pace

2 results are not on this chart. They are counted in every statistic above and listed in full below — backyard ultras carry a lap count instead of a pace, which is the number that means something in that format.

Results

Every result for this runner in date order. Splits of a race are indented and are not counted again in the distance total.
DateEventDistanceResultPace km/hPlacing
2013-08-10
El Vaquero Loco 50K Mountain RaceUnited States*Breckenridge, CO
50km7:45:12 h6.44932/78
2016-08-20
Continental Divide Trail RunUnited States
30mi6:10:57 h7.80911/46
2016-09-10
Devil on the Divide UltraUnited States*Greeley, CO
50km7:14:49 h6.89929/76
2017-04-15
24 Hours of Palmer Lake Fun RunUnited States*Boulder, CO
24h85.778 km3.57440/97
2017-11-18
Dead Horse 50 Mile RaceUnited States*Boulder, CO
50mi8:35:10 h9.37218/117
2018-02-17
Moab Red Hot 55kUnited States*Boulder, CO
55km5:26:59 h10.09236/211
2018-04-28
Cheyenne Mountain Trail RaceUnited States*Estes Park, CO
50km5:15:39 h9.5045/64
2018-05-12
Quicksilver 100 km Endurance RunUnited States*Estes Park, CO
100km13:50:53 h7.22150/166
2018-07-28
Pikes Peak Ultra 50 KmUnited States*Estes Park, CO
50km6:20:52 h7.87711/97
2018-08-18
Leadville Trail 100 MileUnited States*Boulder, CO
100mi27:27:10 h5.862140/379
2018-09-01
Estes Epic 55km Trail RunUnited States*Breckenridge, CO
55km6:38:25 h8.2838/22
2019-01-26
Arches Ultra 50 km RaceUnited States*Breckenridge, CO
50km5:39:01 h8.84942/197
2019-03-23
Behind the Rocks 50Km RaceUnited States*Estes Park, CO
50km7:38:15 h6.547176/231
2019-04-13
24 Hours of Palmer Lake Fun RunUnited States*Estes Park, CO
24h79.179 km3.29949/95
2019-08-24
Continental Divide Trail RunUnited States*Estes Park, CO
50km5:06:51 h9.77714/127
2019-09-13
Run Rabbit Run 100 Mile UltraMarathon - Tortoises RunUnited States*Estes Park, CO
100mi27:13:36 h5.91117/178
2020-01-25
Arches Ultra 50 km RaceUnited States*Estes Park, CO
50km4:34:35 h10.92631/207
2020-02-15
Black Canyon Trail 100 Km RunUnited States*Estes Park, CO
100km13:45:45 h7.266214/541
2021-05-03
Cocodona 250 Mile RaceUnited States*Estes Park, CO
250mi4d 08:15:32 h3.85930/108
2021-06-05
Last Runner Standing RunUnited States*Estes Park, CO
16h67.060 km10laps10/16
2021-09-05
Breck Crest 50 km RaceUnited States*Estes Park, CO
50km7:04:03 h7.0755/8
2021-12-04
Brazos Bend 100United States*Estes Park, CO
100mi22:59:41 h6.99937/113
2022-03-26
Behind the Rocks 50 Mile RaceUnited States*Estes Park, CO
50mi9:41:06 h8.30817/82
2022-06-17
Bighorn Mountain Wild & Scenic 100 Mile Trail RunUnited States*Estes Park, CO
100mi26:32:20 h6.06417/134
2022-08-26
Courmayeur-Champex-Chamonix (CCC)ItalyEstes Valley Trail Run...
101km19:40:36 h5.133725/1727
2022-11-19
Dead Horse 50 km RaceUnited States*Durango, CO
50km4:34:44 h10.92022/347
2023-01-28
Arches Ultra 50 km RaceUnited States*Durango, CO
50km5:12:58 h9.58621/187
2024-04-13
Rattler Trail Race 50KUnited States*Durango, CO
50km6:24:44 h7.79820/67
2024-05-10
Cocodona 36 Mile RaceUnited States*Durango, CO
36mi9:12:58 h6.28647/158
2024-08-17
Leadville Trail 100 MileUnited States*Estes Park, CO
100mi28:44:14 h5.600233/404
2024-10-05
Rocky’s Backyard Ultra ColoradoUnited States*Estes Park, CO
29h60.354 km9laps30/40
2025-02-22
Moab Red Hot 55MileUnited States*Estes Park, CO
55mi12:08:49 h7.28729/46
2025-06-13
Tahoe 200 Mile Endurance RunUnited States*Estes Park, CO
206mi3d 17:56:42 h3.68675/166
2026-06-27
Chase the Moon 12 Hour Endurance RunUnited States*Estes Park, CO
12h81.865 km6.82213/79