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| Name: | Lai, John |
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| Club: | |||
| Residence: | Irving, TX | ||
| Year of birth: | 1973 | (Cat. german: M50) | |
| Date of birth: | 13.06.1973 | (Cat. internat.: M50) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 921087 | ||
44 search results (44 Events, 3255.662 km). (More)
| 2025 | 3 Events, 154 km (More) | ||||
|---|---|---|---|---|---|
| 14.12.2025 | Dallas 50 km Race (USA) | 50km | |||
| 4:51:24 h | Lai, John | *Irving, TX | Overall: 75 | M: 60 | Cat M50: 3 |
| 23.02.2025 | The Cowtown Marathon (USA) | 50km | |||
| 4:34:40 h | Lai, John | *Irving, TX | Overall: 36 | M: 31 | Cat M50: 3 |
| 25.01.2025 | Running the Rose 54k (USA) | 54km | |||
| 7:36:37 h | Lai, John | *Irving, TX | Overall: 23 | M: 17 | Cat M50: 2 |
| 2024 | 1 Event, 54 km (More) | ||||
| 27.01.2024 | Running the Rose 54k (USA) | 54km | |||
| 7:04:01 h | Lai, John | *Irving, TX | Overall: 28 | M: 23 | Cat M50: 3 |
| 2023 | 3 Events, 235.467 km (More) | ||||
| 01.-02.09.2023 | The Kerry Way UltraNite (IRL) | 101km | |||
| 18:31:50 h | Lai, John | Overall: 61 | M: 46 | Cat M50: 6 | |
| 11.02.2023 | Rocky 50 Mile Trail Run (USA) | 50mi | |||
| 10:58:32 h | Lai, John | *Irving, TX | Overall: 61 | M: 48 | Cat M45: 6 |
| 28.01.2023 | Running the Rose 54k (USA) | 54km | |||
| 6:59:37 h | Lai, John | *Irving, TX | Overall: 16 | M: 9 | Cat M45: 3 |
| 2022 | 6 Events, 494.388 km (More) | ||||
| 11.12.2022 | Dallas 50 km Race (USA) | 50km | |||
| 4:43:44 h | Lai, John | *Irving, TX | Overall: 26 | M: 19 | Cat M45: 3 |
| 06.08.2022 | Blazin' Summer Sufferfest 54 km Race (USA) | 54km | |||
| 9:39:30 h | Lai, John | *Irving, TX | Overall: 25 | M: 21 | Cat M45: 5 |
| 22.-23.07.2022 | La Nuit 9 Hour Trail Run (USA) | 9h | |||
| 61.798 km | Lai, John | *Irving, TX | Overall: 5 | M: 3 | Cat M45: 1 |
| 13.-15.05.2022 | Cruel Jewel 100 Mile (USA) | 106mi | |||
| 40:55:10 h | Lai, John | *Irving, TX | Overall: 82 | M: 73 | Cat M45: 11 |
| 26.03.2022 | Cross Timbers Trail Run (USA) | 50km | |||
| 8:12:00 h | Lai, John | *Irving, TX | Overall: 5 | M: 4 | Cat M45: 2 |
| 22.01.2022 | Running The Rose 108k (USA) | 108km | |||
| 18:05:09 h | Lai, John | *Irving, TX | Overall: 15 | M: 12 | Cat M45: 2 |
| 2021 | 6 Events, 467.774 km (More) | ||||
| 11.12.2021 | Bridgeport 54 km Trail Run (USA) | 54km | |||
| 7:07:06 h | Lai, John | Overall: 11 | M: 8 | Cat M45: 3 | |
| 02.-03.10.2021 | Arkansas Traveller 100 (USA) | 100mi | |||
| 27:59:48 h | Lai, John | *TX | Overall: 54 | M: 45 | Cat M45: 6 |
| 18.09.2021 | Rough Creek Trail Run (USA) | 40mi | |||
| 10:07:03 h | Lai, John | *Irving, TX | Overall: 3 | M: 1 | Cat M45: 1 |
| 07.08.2021 | Blazin' Summer Sufferfest 54 km Race (USA) | 54km | |||
| 9:19:15 h | Lai, John | *Irving, TX | Overall: 13 | M: 9 | Cat M45: 2 |
| 17.04.2021 | Coyote 50 Mile Trail Run (USA) | 50mi | |||
| 11:44:56 h | Lai, John | *Irving, TX | Overall: 12 | M: 10 | Cat M45: 1 |
| 23.01.2021 | Running the Rose 54k (USA) | 54km | |||
| 6:43:09 h | Lai, John | *Irving, TX | Overall: 26 | M: 20 | Cat M45: 4 |
| 2020 | 4 Events, 364.934 km (More) | ||||
| 21.-22.11.2020 | Dinosaur Valley Endurance Run 100 Mile (USA) | 100mi | |||
| 26:55:15 h | Lai, John | *Irving, TX | Overall: 6 | M: 5 | Cat M45: 1 |
| 22.02.2020 | Cross Timbers Trail Run (USA) | 50km | |||
| 7:05:48 h | Lai, John | Overall: 9 | M: 8 | Cat M45: 1 | |
| 25.01.2020 | Running the Rose 54k (USA) | 54km | |||
| 6:50:45 h | Lai, John | *Irving, TX | Overall: 17 | M: 13 | Cat M45: 1 |
| 11.01.2020 | Bandera 100 km Endurance Run (USA) | 100km | |||
| 16:20:25 h | Lai, John | *Irving, TX | Overall: 197 | M: 164 | Cat M45: 17 |
| 2019 | 8 Events, 597.265 km (More) | ||||
| 09.11.2019 | Rockledge Rumble Trail Run (USA) | 50km | |||
| 7:18:51 h | Lai, John | *Irving, TX | Overall: 43 | M: 35 | Cat M45: 6 |
| 30.-31.08.2019 | Courmayeur-Champex-Chamonix (CCC) (ITA) | 101km | |||
| 23:13:34 h | Lai, John | Overall: 950 | M: 829 | Cat M45: 141 | |
| 26.-27.07.2019 | La Nuit 9 Hour Trail Run (USA) | 9h | |||
| 61.798 km | Lai, John | *Irving, TX | Overall: 5 | M: 3 | Cat M45: 2 |
| 25.05.2019 | Jemez Mountain 50km Trail Run (USA) | 50km | |||
| 9:40:47 h | Lai, John | *Irving, TX | Overall: 142 | M: 100 | Cat M45: 13 |
| 20.04.2019 | Coyote 50 Mile Trail Run (USA) | 50mi | |||
| 12:27:00 h | Lai, John | *Irving, TX | Overall: 8 | M: 6 | Cat M45: 2 |
| 09.03.2019 | Crazy Desert Trail Race 100 km Race (USA) | 100km | |||
| 11:57:02 h | Lai, John | *Irving, TX | Overall: 8 | M: 4 | Cat M45: 2 |
| 26.01.2019 | Running the Rose 54k (USA) | 54km | |||
| 6:22:32 h | Lai, John | *Irving, TX | Overall: 15 | M: 12 | Cat M45: 2 |
| 06.01.2019 | Bandera 100 km Endurance Run (USA) | 100km | |||
| 16:19:47 h | Lai, John | *Irving, TX | Overall: 151 | M: 120 | Cat M45: 19 |
| 2018 | 11 Events, 757.367 km (More) | ||||
| 09.12.2018 | Dallas 50 km Race (USA) | 50km | |||
| 4:38:07 h | Lai, John | *Irving, TX | Overall: 22 | M: 15 | Cat M45: 3 |
| 01.12.2018 | Isle du Bois Trail Run (USA) | 55km | |||
| 6:56:32 h | Lai, John | Overall: 11 | M: 10 | Cat M45: 4 | |
| 20.10.2018 | Palo Duro 50 Mile Trail Run (USA) | 50mi | |||
| 11:53:51 h | Lai, John | Overall: 12 | M: 6 | Cat M45: 2 | |
| 29.-30.09.2018 | Javelina Jangover Night Run 75K (USA) | 75km | |||
| 10:58:47 h | Lai, John | *Irving, TX | Overall: 22 | M: 17 | Cat M45: 2 |
| 27.-28.07.2018 | La Nuit 9 Hour Trail Run (USA) | 9h | |||
| 51.499 km | Lai, John | *Irving, TX | Overall: 15 | M: 3 | Cat M45: 1 |
| 02.-03.06.2018 | Kettle Moraine 100 Mile Endurance Run (USA) | 100mi | |||
| 26:48:55 h | Lai, John | *Irving, TX | Overall: 95 | M: 83 | Cat M40: 21 |
| 19.05.2018 | Jemez Mountain 50km Trail Run (USA) | 50km | |||
| 9:58:57 h | Lai, John | *Irving, TX | Overall: 189 | M: 129 | Cat M40: 15 |
| 21.04.2018 | Coyote 50 km Trail Run (USA) | 50km | |||
| 7:55:39 h | Lai, John | *Irving, TX | Overall: 20 | M: 15 | Cat M40: 3 |
| 17.03.2018 | Grasslands 50 Mile Trail Run (USA) | 50mi | |||
| 10:54:52 h | Lai, John | Overall: 28 | M: 24 | Cat M40: 8 | |
| 27.01.2018 | Running The Rose 54K (USA) | 54km | |||
| 6:45:22 h | Lai, John | *Irving, TX | Overall: 20 | M: 16 | Cat M40: 5 |
| 07.01.2018 | Bandera 50 km Endurance Run (USA) | 50km | |||
| 7:06:55 h | Lai, John | *Irving, TX | Overall: 96 | M: 75 | Cat M40: 15 |
| 2017 | 2 Events, 130.467 km (More) | ||||
| 21.10.2017 | Palo Duro 50 Mile Trail Run (USA) | 50mi | |||
| 11:33:36 h | Lai, John | *Irving, TX | Overall: 24 | M: 17 | Cat M40: 3 |
| 26.02.2017 | The Cowtown Marathon (USA) | 50km | |||
| 5:44:46 h | Lai, John | *Irving, TX | Overall: 163 | M: 116 | Cat M40: 20 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 50km | 4:34:40 |
4:34:40
(3795/131) |
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5:44:46
(11160/480) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Running The Rose 54K | 7 | 7:36:37 | 7:04:01 | 6:59:37 | 6:43:09 | 6:50:45 | 6:22:32 | 6:45:22 | ||
| Dallas 50 km Race | 3 | 4:51:24 | 4:43:44 | 4:38:07 | ||||||
| La Nuit 9 Hour Trail Run | 3 | 61.798 | 61.798 | 51.499 | ||||||
| Blazin' Summer Sufferfest 54 km Race | 2 | 9:39:30 | 9:19:15 | |||||||
| Cross Timbers Trail Run | 2 | 8:12:00 | 7:05:48 | |||||||
| Coyote 50 Mile Trail Run | 2 | 11:44:56 | 12:27:00 | |||||||
| Palo Duro 50 Mile Trail Run | 2 | 11:53:51 | 11:33:36 | |||||||
| Jemez Mountain 50km Trail Run | 2 | 9:40:47 | 9:58:57 | |||||||
| The Cowtown Marathon | 2 | 4:34:40 | 5:44:46 | |||||||
| Bandera 100 km Endurance Run | 2 | 16:20:25 | 16:19:47 |