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ALL-TIME
Best Guam Women's 400 m Athletes of All Time
All-time list of the top Guam women in the 400 m, based on official personal bests, with results, wind readings and dates.
Discover the greatest Guam women in the 400 m. Regine Tugade-Watson tops the all-time national list with 57.89, among 6 ranked athletes — with every mark, date and competition.
| # | Athlete | Result | Wind | Date |
|---|---|---|---|---|
| 1 | Regine Tugade-Watson | 57.89 | May 6, 2016 | |
| 2 | Madison Packbier | 60.03 | Jul 17, 2019 | |
| 3 | Aleah-Rae Castro | 62.74 | Jul 5, 2025 | |
| 4 | Naomi Blaz | 63.18 | Jul 6, 2011 | |
| 5 | Taylor-Ann Santos | 63.86 | Jun 21, 2024 | |
| 6 | Hazel Wilson | 64.27 | Oct 31, 2025 |