Personal Records Personal Records
Event Mark State National Date
400m 58.49 — Apr 8, 2026
400m 58.49 — Apr 8, 2026
See where Cassidy ranks State & National rankings, available to MileSplit PRO subscribers. Join MileSplit PRO
Results Results

To see all performances, subscribe to

MileSplit Logo
Join Now

Already a Pro member?

2026 - Outdoor

400 Meter Dash

2025 - Outdoor

400 Meter Dash

2023 - Outdoor

400 Meter Dash

College Progression Tracker

Your 1600m performance is better than XX% of Division I athletes when they were Senior in high school.