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| Name: | Janzen, Isaiah |
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| Club: | |||
| Residence: | Dubuque, IA | ||
| Year of birth: | 1986 | (Cat. german: M40) | |
| Date of birth: | 05.09.1986 | (Cat. internat.: M35) | |
| Nationality: | USA  |
United States | |
| Homepage: | http://www.isaiahjanzen.com/ | ||
| RunnerID: | 589767 | ||
11 search results (8 Events, 1181.375 km). (More)
| 2025 | 1 Event, 67.199 km (More) | ||||
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| 20.-21.12.2025 | Desert Solstice 24 Hour Run (USA) | 24h | |||
| 67.199 km | Janzen, Isaiah | *Broomfield, CO | Overall: 13 | M: 11 | Cat M35: 4 |
| 2024 | 1 Event, 201.998 km (More) | ||||
| 23.-24.11.2024 | Fat Ox 24 Hour Run USATF NC (USA) | 24h | |||
| 201.998 km | Janzen, Isaiah | *Broomfield, CO | Overall: 6 | M: 3 | Cat M35: 2 |
| 2017 | 2 Events, 276 km (More) | ||||
| 09.-10.12.2017 | Desert Solstice 24 Hour Run (USA) | 24h | |||
| 176.000 km | Janzen, Isaiah | *Independence, KS | Overall: 6 | M: 4 | Cat M23: 1 |
| 09.-10.12.2017 | Desert Solstice 24 Hour Run - 100mi Split (USA) | 100mi | |||
| 15:15:18 h | Janzen, Isaiah | *Independence, KS | Overall: 3 | M: 3 | Cat M23: 2 |
| 08.04.2017 | Mad City 100K Road Race (USA) | 100km | |||
| 7:10:43 h | Janzen, Isaiah | *Independence, KS | Overall: 2 | M: 2 | Cat M23: 1 |
| 2016 | 1 Event, 162.35 km (More) | ||||
| 17.-18.09.2016 | North Coast 24 Hour Endurance Run (USA) | 24h | |||
| 162.350 km | Janzen, Isaiah | Overall: 26 | M: 19 | Cat M23: 4 | |
| 2015 | 2 Events, 225.044 km (More) | ||||
| 24.10.2015 | The Door County Fall 50 (USA) | 50mi | |||
| 5:54:33 h | Janzen, Isaiah | Overall: 5 | M: 4 | Cat M23: 3 | |
| 11.-12.04.2015 | IAU 24h WC (7^ 24 ore di Torino) (ITA) | 24h | |||
| 144.577 km | Janzen, Isaiah | National Team United States | Overall: 238 | M: 148 | Cat M23: 24 |
| 2014 | 1 Event, 248.784 km (More) | ||||
| 20.-21.09.2014 | North Coast 24 Hour Endurance Run - 12h Split (USA) | 12h | |||
| 131.994 km | Janzen, Isaiah | Overall: 1 | M: 1 | Cat M23: 1 | |
| 20.-21.09.2014 | North Coast 24 Hour Endurance Run - 100mi Split (USA) | 100mi | |||
| 14:41:59 h | Janzen, Isaiah | Overall: 1 | M: 1 | Cat M23: 1 | |
| 20.-21.09.2014 | North Coast 24 Hour Endurance Run (USA) | 24h | |||
| 248.784 km | Janzen, Isaiah | *Dubuque, IA | Overall: 1 | M: 1 | Cat M23: 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 | 2024 | 2017 | 2016 | 2015 | 2014 | |
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| 50mi | 5:54:33 |
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5:54:33
(7/4) |
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| 100km | 7:10:43 |
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7:10:43
(30/2) |
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| 100mi | 14:41:59 |
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15:15:18
(25/6) |
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14:41:59
(8/2) |
| 12h | 131.994 |
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131.994
(46/2) |
| 24h | 248.784 |
67.199
(4058/771) |
201.998
(293/18) |
176.000
(689/41) |
162.350
(922/102) |
144.577
(1504/212) |
248.784
(13/2) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2017 | 2016 | 2015 | 2014 | ||
|---|---|---|---|---|---|---|---|
| Desert Solstice 24 Hour Run | 2 | 67.199 | 176.000 | ||||
| North Coast 24 Hour Endurance Run | 2 | 162.350 | 248.784 |