| Name: | Koo, Thomas |
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| Club: | |||
| Residence: | |||
| Year of birth: | 1971 | (Cat. german: M55) | |
| Date of birth: | 06.11.1971 | (Cat. internat.: M50) | |
| Nationality: | SGP ![]() |
Singapore | |
| RunnerID: | 1184287 | ||
4 search results (4 Events, 350.567 km). (More)
| 2026 | 1 Event, 100.567 km (More) | ||||
|---|---|---|---|---|---|
| 09.-10.05.2026 | Melaka 24H Ultramarathon (MAS) | 24h | |||
| 100.567 km | Koo, Thomas | Overall: 47 | M: 28 | Cat M50: 2 | |
| 2019 | 1 Event, 100 km (More) | ||||
| 12.-13.10.2019 | SG-Ultra Marathon - 100 km (SGP) | 100km | |||
| 21:27:47 h | Koo, Thomas | Overall: 51 | M: 42 | Cat M45: 5 | |
| 2018 | 2 Events, 150 km (More) | ||||
| 06.-07.10.2018 | SG-Ultra Marathon - 100 km (SGP) | 100km | |||
| 19:14:16 h | Koo, Thomas | Overall: 67 | M: 60 | Cat M45: 5 | |
| 21.-22.07.2018 | Twilight Ultra Challenge (SGP) | 16h | |||
| 50.000 km | Koo, Thomas | Overall: 99 | M: 47 | Cat M45: 6 | |
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 | 2019 | 2018 | |
|---|---|---|---|---|
| 24h | 100.567 |
100.567
(1749/2) |
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Comparison table
Comparison of performances in races with multiple participations
| 2026 | 2019 | 2018 | ||
|---|---|---|---|---|
| SG-Ultra Marathon - 100 km | 2 | 21:27:47 | 19:14:16 |



