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| Name: | Iosa, Jeffrey |
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| Club: | |||
| Residence: | Dunedin, FL | ||
| Year of birth: | 1977 | (Cat. german: M45) | |
| Date of birth: | 21.03.1977 | (Cat. internat.: M45) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 793562 | ||
61 search results (58 Events, 5574.756 km). (More)
| 2026 | 1 Event, 50 km (More) | ||||
|---|---|---|---|---|---|
| 25.01.2026 | This ain't yo Momma's 50k (USA) | 50km | |||
| 5:02:41 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 4 | M: 4 | Cat M45: 2 |
| 2025 | 5 Events, 884.433 km (More) | ||||
| 12.-16.11.2025 | Across Florida 200 (USA) | 200mi | |||
| 2d 12:55:10 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 2 | M: 2 | Cat M45: 1 |
| 04.-05.10.2025 | Arkansas Traveller 100 (USA) | 100mi | |||
| 26:08:20 h | Iosa, Jeffrey | *FL | Overall: 55 | M: 42 | Cat M45: 7 |
| 09.05.2025 | Cocodonan Flagstaff Crest (USA) | 38mi | |||
| 7:09:02 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 14 | M: 11 | Cat M45: 1 |
| 07.-09.03.2025 | Save the Daylight 48 Hour Race (USA) | 48h | |||
| 179.542 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 7 | M: 5 | Cat M45: 1 |
| 18.-19.01.2025 | Long Haul 100 Mile Ultra-Marathons (USA) | 100mi | |||
| 19:41:06 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 12 | M: 10 | Cat M45: 1 |
| 2024 | 6 Events, 717.911 km (More) | ||||
| 13.-14.09.2024 | Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run (USA) | 100mi | |||
| 35:01:25 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 211 | M: 164 | Cat M45: 22 |
| 31.08.2024 | Pinellas Trail Challenge (USA) | 46mi | |||
| 7:04:28 h | Iosa, Jeffrey | Overall: 7 | M: 5 | Cat M45: 1 | |
| 03.08.2024 | DURTY B-EE-RR-UN 6hr St. Pete Fat Ass (USA) | 6h | |||
| 57.936 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 4 | M: 3 | Cat M45: 1 |
| 15.-23.06.2024 | Six Days in the Dome - The Redux 24h - 100km Split (USA) | 100km | |||
| 10:54:26 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 16 | M: 11 | Cat M45: 2 |
| 15.-23.06.2024 | Six Days in the Dome - The Redux 24h (USA) | 24h | |||
| 164.078 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 21 | M: 14 | Cat M45: 1 |
| 15.-23.06.2024 | Six Days in the Dome - The Redux 24h - 50mi Split (USA) | 50mi | |||
| 8:30:49 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 22 | M: 15 | Cat M45: 2 |
| 15.-23.06.2024 | Six Days in the Dome - The Redux 24h - 100mi Split (USA) | 100mi | |||
| 21:55:01 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 23 | M: 15 | Cat M45: 2 |
| 13.04.2024 | Gorge Waterfalls 100k (USA) | 100km | |||
| 13:44:50 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 102 | M: 82 | Cat M45: 8 |
| 13.-14.01.2024 | Long Haul 100 Mile Ultra-Marathons (USA) | 100mi | |||
| 20:00:18 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 8 | M: 7 | Cat M45: 1 |
| 2023 | 6 Events, 432.548 km (More) | ||||
| 30.09.2023 | Tick Tock 12 Hour Ultra Florida (USA) | 12h | |||
| 100.551 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 3 | M: 3 | Cat M45: 1 |
| 02.09.2023 | Pinellas Trail Challenge (USA) | 46mi | |||
| 6:43:03 h | Iosa, Jeffrey | *Dunedin | Overall: 2 | M: 2 | Cat M45: 1 |
| 12.08.2023 | DURTY B-EE-RR-UN 6hr St. Pete Fat Ass (USA) | 6h | |||
| 57.968 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 2 | M: 1 | Cat M45: 1 |
| 28.05.2023 | Sweat, Swat 'n Swear! 50 Km Run (USA) | 50km | |||
| 3:59:17 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 2 | M: 2 | Cat M45: 1 |
| 18.02.2023 | Black Canyon Trail 100 Km Run (USA) | 100km | |||
| 13:35:58 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 256 | M: 191 | Cat M45: 15 |
| 07.01.2023 | Croom Zoom 50 km Run (USA) | 50km | |||
| 4:28:53 h | Iosa, Jeffrey | *Dunedin | Overall: 1 | M: 1 | Cat M45: 1 |
| 2022 | 5 Events, 655.222 km (More) | ||||
| 19.11.2022 | Colt 45 Mile Trail Run (USA) | 45mi | |||
| 7:24:56 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 2 | M: 2 | Cat M45: 1 |
| 16.-18.07.2022 | Vermont 100 Mile Endurance Race (USA) | 100mi | |||
| 25:33:59 h | Iosa, Jeffrey | Overall: 91 | M: 75 | Cat M45: 12 | |
| 04.-05.06.2022 | Old Dominion 100 Mile Endurance Run (USA) | 100mi | |||
| 25:40:46 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 43 | M: 36 | Cat M45: 7 |
| 12.02.2022 | Black Canyon Trail 100 Km Run (USA) | 100km | |||
| 11:36:36 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 81 | M: 57 | Cat M40: 9 |
| 15.-16.01.2022 | Long Haul 100 Mile Ultra-Marathons (USA) | 100mi | |||
| 17:35:48 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 3 | M: 3 | Cat M40: 1 |
| 2021 | 8 Events, 673.466 km (More) | ||||
| 20.11.2021 | Colt 45 Mile Trail Run (USA) | 45mi | |||
| 6:19:39 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 1 | M: 1 | Cat M40: 1 |
| 09.10.2021 | John Holmes 50k Trail Run (USA) | 50km | |||
| 4:35:43 h | Iosa, Jeffrey | *Tampa | Overall: 2 | M: 2 | Cat M40: 1 |
| 04.09.2021 | Pinellas Trail Challenge (USA) | 46mi | |||
| 6:34:00 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 2 | M: 2 | Cat M40: 1 |
| 14.08.2021 | DURTY B-EE-RR-UN 6hr St. Pete Fat Ass (USA) | 6h | |||
| 57.936 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 2 | M: 2 | Cat M40: 1 |
| 30.05.2021 | Sweat, Swat 'n Swear! 50 Km Run (USA) | 50km | |||
| 4:17:59 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 2 | M: 2 | Cat M40: 2 |
| 10.-11.04.2021 | Endurance Hunter 100 Trail Run (USA) | 100mi | |||
| 27:22:27 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 7 | M: 6 | Cat M40: 2 |
| 14.02.2021 | Whispering Pines 12 Hours (USA) | 12h | |||
| 108.147 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 1 | M: 1 | Cat M40: 1 |
| 09.01.2021 | Bandera 100 km Endurance Run (USA) | 100km | |||
| 11:47:49 h | Iosa, Jeffrey | Overall: 43 | M: 31 | Cat M40: 5 | |
| 2020 | 4 Events, 474.976 km (More) | ||||
| 07.-08.11.2020 | Rim to River 100 Mile Race (USA) | 100mi | |||
| 24:19:51 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 23 | M: 20 | Cat M40: 5 |
| 07.03.2020 | Long Play Trail Race (USA) | 33mi | |||
| 4:44:04 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 1 | M: 1 | Cat M40: 1 |
| 15.02.2020 | Black Canyon Trail 100 Km Run (USA) | 100km | |||
| 12:42:42 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 130 | M: 97 | Cat M40: 17 |
| 18.-19.01.2020 | Long Haul 100 Mile Ultra-Marathons (USA) | 100mi | |||
| 23:25:11 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 26 | M: 22 | Cat M40: 6 |
| 2019 | 7 Events, 601.711 km (More) | ||||
| 02.-03.11.2019 | Save the Daylight 12 Hour Race (USA) | 12h | |||
| 49.487 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 17 | M: 8 | Cat M40: 3 |
| 05.10.2019 | John Holmes 50k Trail Run (USA) | 50km | |||
| 4:38:07 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 1 | M: 1 | Cat M40: 1 |
| 31.08.2019 | Pinellas Trail Challenge (USA) | 46mi | |||
| 7:01:46 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 3 | M: 3 | Cat M40: 1 |
| 27.-28.07.2019 | Burning River 100 Mile Endurance Run (USA) | 102mi | |||
| 26:32:10 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 65 | M: 55 | Cat M40: 9 |
| 26.05.2019 | Sweat, Swat 'n Swear! 50 Km Run (USA) | 50km | |||
| 4:25:41 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 1 | M: 1 | Cat M40: 1 |
| 02.03.2019 | Long Play Trail Race (USA) | 33mi | |||
| 5:03:54 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 4 | M: 3 | Cat M40: 2 |
| 19.-20.01.2019 | Long Haul 100 Mile Ultra-Marathons (USA) | 100mi | |||
| 23:34:16 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 21 | M: 21 | Cat M40: 5 |
| 2018 | 6 Events, 446.007 km (More) | ||||
| 03.-04.11.2018 | Pinhoti 100 Mile (USA) | 100mi | |||
| 27:21:33 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 94 | M: 83 | Cat M40: 14 |
| 06.10.2018 | John Holmes 50k Trail Run (USA) | 50km | |||
| 4:34:29 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 1 | M: 1 | Cat M40: 1 |
| 01.09.2018 | Pinellas Trail Challenge (USA) | 46mi | |||
| 7:46:52 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 5 | M: 5 | Cat M40: 1 |
| 11.08.2018 | DURTY B-EE-RR-UN 6hr St. Pete Fat Ass (USA) | 6h | |||
| 57.936 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 2 | M: 2 | Cat M40: 1 |
| 04.03.2018 | Long Play Trail Race (USA) | 33mi | |||
| 6:12:40 h | Iosa, Jeffrey | Overall: 18 | M: 15 | Cat M40: 6 | |
| 06.01.2018 | Croom Zoom 50 km Run (USA) | 50km | |||
| 5:45:39 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 24 | M: 20 | Cat M40: 6 |
| 2017 | 4 Events, 260.712 km (More) | ||||
| 02.09.2017 | Pinellas Trail Challenge (USA) | 46mi | |||
| 7:53:58 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 10 | M: 9 | Cat M40: 4 |
| 05.08.2017 | DURTY B-EE-RR-UN 6hr St. Pete Fat Ass (USA) | 6h | |||
| 53.108 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 1 | M: 1 | Cat M40: 1 |
| 01.-02.04.2017 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 10:58:36 h | Iosa, Jeffrey | *FL | Overall: 29 | M: 21 | Cat M40: 6 |
| 05.03.2017 | Long Play Trail Race (USA) | 33mi | |||
| 5:13:30 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 6 | M: 6 | Cat M35: 1 |
| 2016 | 4 Events, 253.741 km (More) | ||||
| 08.10.2016 | John Holmes 50k Trail Run (USA) | 50km | |||
| 5:37:15 h | Iosa, Jeffrey | Overall: 6 | M: 4 | Cat M35: 1 | |
| 03.09.2016 | Pinellas Trail Challenge (USA) | 46mi | |||
| 9:30:44 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 33 | M: 24 | Cat M35: 7 |
| 13.08.2016 | DURTY B-EE-RR-UN 6hr St. Pete Fat Ass (USA) | 6h | |||
| 49.245 km | Iosa, Jeffrey | *Dunedin, FL | Overall: 16 | M: 6 | Cat M35: 2 |
| 02.04.2016 | Croom Trail 50 Mile Fools Run (USA) | 50mi | |||
| 12:13:39 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 31 | M: 24 | Cat M35: 4 |
| 2015 | 2 Events, 124.029 km (More) | ||||
| 10.10.2015 | John Holmes 50k Trail Run (USA) | 50km | |||
| 6:14:05 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 28 | M: 21 | Cat M35: 3 |
| 05.09.2015 | Pinellas Trail Challenge (USA) | 46mi | |||
| 10:47:31 h | Iosa, Jeffrey | *Dunedin, FL | Overall: 40 | M: 29 | Cat M35: 8 |
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 | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
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| 50mi | 8:30:49 |
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8:30:49
(359/115) |
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| 100km | 10:54:26 |
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10:54:26
(2529/42) |
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| 100mi | 21:55:01 |
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21:55:01
(419/83) |
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| 24h | 164.078 |
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164.078
(902/93) |
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| 48h | 179.542 |
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179.542
(447/53) |
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Comparison table
Comparison of performances in races with multiple participations
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | ||
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| Pinellas Trail Challenge | 8 | 7:04:28 | 6:43:03 | 6:34:00 | 7:01:46 | 7:46:52 | 7:53:58 | 9:30:44 | 10:47:31 | ||||
| DURTY B-EE-RR-UN 6hr St. Pete Fat Ass | 6 | 57.936 | 57.968 | 57.936 | 57.936 | 53.108 | 49.245 | ||||||
| John Holmes 50k Trail Run | 5 | 4:35:43 | 4:38:07 | 4:34:29 | 5:37:15 | 6:14:05 | |||||||
| Long Haul 100 Mile Ultra-Marathons | 5 | 19:41:06 | 20:00:18 | 17:35:48 | 23:25:11 | 23:34:16 | |||||||
| Long Play Trail Race | 4 | 4:44:04 | 5:03:54 | 6:12:40 | 5:13:30 | ||||||||
| Sweat, Swat 'n Swear! 50 Km Run | 3 | 3:59:17 | 4:17:59 | 4:25:41 | |||||||||
| Black Canyon Trail 100 Km Run | 3 | 13:35:58 | 11:36:36 | 12:42:42 | |||||||||
| Colt 45 Mile Trail Run | 2 | 7:24:56 | 6:19:39 | ||||||||||
| Croom Zoom 50 km Run | 2 | 4:28:53 | 5:45:39 |