| Competition | 2010 NACAC Athletics U23 Championships |
|---|---|
| Venue |
Miramar
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | United States | 43.07 | |||
| Jeneba Tarmoh | — | ||||
| Amber Purvis | — | ||||
| Tiffany Townsend | — | ||||
| Kenyanna Wilson | — | ||||
| 🥈 | Jamaica | 44.2 | |||
| Rosemarie Carty | — | ||||
| Audra Segree | — | ||||
| Trisha-Ann Hawthorne | — | ||||
| 🥈 | Jamaica | — | |||
| 🥉 | Bahamas | 46.82 | |||
| Charlesha Lightbourne | — | ||||
| Yanique Clarke | — | ||||
| Ashley Hanna | — | ||||
| Michelle Cumberbatch | — |