Athlete · United States

Johnnie Blockburger

0 published lists Sprints

200 Metres

20.33

College Station · 6 Jun 2026 · +0.1

400 Metres

44.51

Boulder · 12 May 2024

Sources

Identity and dates from Wikidata (CC0). Marks from Wikipedia (EN) all-time lists, CC BY-SA 4.0. Only performances from permitted sources are shown; this may not be a complete career record.

Related

United StatesMen's 200 MetresMen's 400 Metres