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| Name: | Guptill, Byron |
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| Club: | |||
| Residence: | Waterloo, ON | ||
| Year of birth: | 1978 | (Cat. german: M45) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M45) | |
| Nationality: | CAN  |
Canada | |
| RunnerID: | 440399 | ||
35 search results (35 Events, 3107.4 km). (More)
| 2025 | 3 Events, 297.401 km (More) | ||||
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| 24.-25.10.2025 | No Business 100 (USA) | 100mi | |||
| 33:00:00 h | Guptill, Byron | *Waterloo, ON | Overall: 161 | M: 129 | Cat M45: 29 |
| 05.-06.09.2025 | Haliburton Forest 50 Mile Race (CAN) | 50mi | |||
| 14:02:47 h | Guptill, Byron | *Waterloo | Overall: 35 | M: 29 | Cat M45: 1 |
| 05.07.2025 | Limberlost 56 km Challenge (CAN) | 56km | |||
| 8:05:42 h | Guptill, Byron | *Waterloo | Overall: 23 | M: 20 | Cat M45: 1 |
| 2024 | 1 Event, 50 km (More) | ||||
| 26.10.2024 | The Bad Thing 50km Trail Race (CAN) | 50km | |||
| 7:40:19 h | Guptill, Byron | Overall: 69 | M: 44 | Cat M45: 5 | |
| 2023 | 1 Event, 160.934 km (More) | ||||
| 03.-04.06.2023 | Mohican Trail 100 Mile (USA) | 100mi | |||
| 27:43:00 h | Guptill, Byron | *Waterloo, ON | Overall: 67 | M: 60 | Cat M40: 12 |
| 2022 | 3 Events, 370.934 km (More) | ||||
| 31.12.2022-03.01.2023 | Across The Years, 100mi (USA) | 100mi | |||
| 2d 02:51:19 h | Guptill, Byron | *Waterloo, ON | Overall: 26 | M: 15 | Cat M40: 1 |
| 22.10.2022 | The Bad Thing 50km Trail Race (CAN) | 50km | |||
| 5:41:55 h | Guptill, Byron | *Waterloo, ON | Overall: 10 | M: 9 | Cat M40: 3 |
| 28.-29.05.2022 | Sulphur Springs Trail Run 100 Mile (CAN) | 100mi | |||
| 23:57:32 h | Guptill, Byron | *Waterloo | Overall: 8 | M: 7 | Cat M40: 4 |
| 2020 | 2 Events, 219.414 km (More) | ||||
| 18.-19.01.2020 | HURT 100 Endurance Run 100 Mile (USA) | 100mi | |||
| 33:03:03 h | Guptill, Byron | *Waterloo, ON | Overall: 31 | M: 26 | Cat M40: 6 |
| 04.01.2020 | Stride Inside Indoor Track Race (CAN) | 6h | |||
| 58.480 km | Guptill, Byron | Overall: 7 | M: 7 | Cat M40: 2 | |
| 2019 | 1 Event, 160.934 km (More) | ||||
| 17.-18.08.2019 | Capes 100 Miles (CAN) | 100mi | |||
| 24:32:51 h | Guptill, Byron | Overall: 8 | M: 8 | Cat M40: 2 | |
| 2018 | 7 Events, 466.934 km (More) | ||||
| 18.11.2018 | Fat Ass Trail Run (CAN) | 50km | |||
| 6:49:58 h | Guptill, Byron | Overall: 24 | M: 16 | Cat M35: 4 | |
| 10.11.2018 | The Beav Trail Race (CAN) | 50km | |||
| 5:08:59 h | Guptill, Byron | *Waterloo | Overall: 13 | M: 12 | Cat M35: 3 |
| 06.10.2018 | Sticks'n'Stones Trail Race (CAN) | 50km | |||
| 6:23:36 h | Guptill, Byron | *Waterloo | Overall: 39 | M: 25 | Cat M35: 2 |
| 07.07.2018 | Limberlost 56 km Challenge (CAN) | 56km | |||
| 9:11:19 h | Guptill, Byron | *Waterloo | Overall: 61 | M: 46 | Cat M35: 9 |
| 12.05.2018 | Seaton Trail Run 50 km (CAN) | 50km | |||
| 7:01:02 h | Guptill, Byron | *Waterloo | Overall: 71 | M: 50 | Cat M35: 6 |
| 28.04.2018 | Pick Your Poison 50K Trail Run (CAN) | 50km | |||
| 7:06:45 h | Guptill, Byron | *Waterloo, ON | Overall: 47 | M: 38 | Cat M35: 4 |
| 24.-25.02.2018 | Antelope Canyon 100 Mile Race (USA) | 100mi | |||
| 27:16:33 h | Guptill, Byron | *Waterloo, ON | Overall: 9 | M: 8 | Cat M35: 3 |
| 2017 | 2 Events, 100 km (More) | ||||
| 12.11.2017 | Fat Ass Trail Run (CAN) | 50km | |||
| 7:03:28 h | Guptill, Byron | Overall: 33 | M: 24 | Cat M35: 4 | |
| 29.04.2017 | Pick Your Poison 50K Trail Run (CAN) | 50km | |||
| 6:29:57 h | Guptill, Byron | Overall: 52 | M: 39 | Cat M35: 7 | |
| 2016 | 3 Events, 216.794 km (More) | ||||
| 23.-24.07.2016 | Dirty girls 24 hour Trail Race (CAN) | 24h | |||
| 80.000 km | Guptill, Byron | Overall: 28 | M: 19 | Cat M35: 5 | |
| 04.06.2016 | Cayuga Trails 50 Mile Race (USA) | 50mi | |||
| 9:54:44 h | Guptill, Byron | Overall: 45 | M: 37 | Cat M35: 15 | |
| 26.03.2016 | Santa Barbara Nine Trails 35 Mile Endurance Run (USA) | 35mi | |||
| 8:42:00 h | Guptill, Byron | *Waterloo, ON | Overall: 26 | M: 20 | Cat M35: 5 |
| 2015 | 4 Events, 452.055 km (More) | ||||
| 14.-16.08.2015 | Fat Dog 120 Mile Trail Race (CAN) | 120mi | |||
| 42:13:33 h | Guptill, Byron | *Waterloo, ON | Overall: 60 | M: 54 | Cat M35: 12 |
| 25.07.2015 | Dirty girls 6 hour Trail Race (CAN) | 6h | |||
| 48.000 km | Guptill, Byron | Overall: 3 | M: 3 | Cat M35: 1 | |
| 04.07.2015 | Laura Secord Memorial 50K (CAN) | 50km | |||
| 5:40:34 h | Guptill, Byron | Overall: 5 | M: 5 | Cat M35: 2 | |
| 10.-11.04.2015 | The Zion 100 Mile Run (USA) | 100mi | |||
| 29:40:10 h | Guptill, Byron | *Waterloo, ON | Overall: 84 | M: 66 | Cat M35: 13 |
| 2014 | 6 Events, 431 km (More) | ||||
| 02.-03.08.2014 | Canadian Death Race (CAN) | 125km | |||
| 17:36:29 h | Guptill, Byron | *Waterloo | Overall: 15 | M: 14 | Cat M35: 4 |
| 12.07.2014 | Limberlost 56 km Challenge (CAN) | 56km | |||
| 6:07:12 h | Guptill, Byron | *Waterloo | Overall: 2 | M: 2 | Cat M35: 1 |
| 05.07.2014 | Creemore Vertical Challenge 50 km Trail Run (CAN) | 50km | |||
| 4:55:09 h | Guptill, Byron | *Waterloo | Overall: 5 | M: 5 | Cat M35: 1 |
| 10.05.2014 | Seaton Trail Run 50 km (CAN) | 50km | |||
| 5:10:54 h | Guptill, Byron | *Waterloo | Overall: 5 | M: 5 | Cat M35: 1 |
| 26.04.2014 | Pick Your Poison 50K Trail Run (CAN) | 50km | |||
| 5:22:16 h | Guptill, Byron | Overall: 10 | M: 9 | Cat M35: 3 | |
| 05.04.2014 | Laura Secord Memorial 100K (CAN) | 100km | |||
| 13:52:00 h | Guptill, Byron | Overall: 6 | M: 6 | Cat M35: 2 | |
| 2013 | 2 Events, 181 km (More) | ||||
| 03.-04.08.2013 | Canadian Death Race (CAN) | 125km | |||
| 22:42:21 h | Guptill, Byron | *Waterloo | Overall: 114 | M: 99 | Cat M23: 32 |
| 13.07.2013 | Limberlost 56 km Challenge (CAN) | 56km | |||
| 8:46:29 h | Guptill, Byron | *Waterloo | Overall: 44 | M: 33 | Cat M23: 7 |
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 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | |
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| 100mi | 50:51:19 |
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50:51:19
(992/10) |
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| 6h | 58.480 |
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58.480
(444/8) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Limberlost 56 km Challenge | 4 | 8:05:42 | 9:11:19 | 6:07:12 | 8:46:29 | ||||||||
| Pick Your Poison 50K Trail Run | 3 | 7:06:45 | 6:29:57 | 5:22:16 | |||||||||
| Fat Ass Trail Run | 2 | 6:49:58 | 7:03:28 | ||||||||||
| The Bad Thing 50km Trail Race | 2 | 7:40:19 | 5:41:55 | ||||||||||
| Seaton Trail Run 50 km | 2 | 7:01:02 | 5:10:54 | ||||||||||
| Canadian Death Race | 2 | 17:36:29 | 22:42:21 |