Olympics
| Rankings | |
|---|---|
| World Ranking | 856 |
| Duathlon Ranking | 140 |
| Continental Ranking | 196 |
| 1 |
2019 TTO Duathlon National Championships14 Jul, 2019 - Elite Men - 01:50:03 |
||
| 8 |
2019 TTO Aquathlon National Championships14 Apr, 2019 - Elite Men - 00:35:29 |
||
| 1 |
2018 TTO Triathlon National Championships09 Jun, 2018 - Elite Men - 02:19:44 |
||
| 1 |
2017 TTO Triathlon National Championships10 Jun, 2017 - Elite Men - 02:21:13 |
||
| 1 |
2017 TTO Duathlon National Championships16 Apr, 2017 - Elite Men - 01:52:37 |
||
| view full results | |||
| Given Name | Jason |
| Family Name | Costello |
| Representing | TTO |
| Year of Birth | 1985 |
