Inside World Athletics
Museum
Library
Sign in/Up
Register now
Why register?
Home
News
Press Releases
News
Reports
Previews
Features
Series
Watch
Competitions
Calendar
Tickets
Hosting
Our Sport
Rules & Regulations
Competition Performance Ranking
Competitions Archive
Athletes
World Rankings
Profiles
Awards
Spikes
Athletes' Representatives
Transfer of Allegiance
Athletes Commission
Stats
Results
Toplists
Records
Send Competition Results
World Rankings
Road to Nanjing
Road to Tokyo
Road to Guangzhou
Ultimate
Better World
News
Sustainability
Athlete Refugee Team
Air Quality
Safeguarding
Shop
Athletes Home
World Rankings
Profiles
Awards
Spikes
Athletes' Representatives
Transfer of Allegiance
Athletes Commission
ATHLETE OVERVIEW
STATISTICS
Collin
SIEFFERT
400mH
Country
United States
Born
Athlete code
14819148
Personal Bests
400 Metres Hurdles
Result
50.53
Date
07 JUN 2023
Score
1104
4x400 Metres Relay
Result
3:07.37
Date
30 APR 2022
Score
1085
4x400 Metres Relay Short Track
Result
3:13.02
Date
13 FEB 2021
Score
1056
* Not legal
SEE MORE PERFORMANCES
Season’s bests
* Not legal
SEE MORE PERFORMANCES
Search for an athlete
Result
Date
ScoreResultDateScoreResultDateScore
ResultDateScoreResultDateScoreResultDateScore