Mark Williamson

Unattached · Grade: -

1 resultsTrack & Field20131 first-place finishes

Best marks in available results
Event / course	Mark	Meet	Date
400 Meters · IndoorUMass Boston Indoor Invitational · Dec 5	49.70a	UMass Boston Indoor Invitational	December 5, 2013

Best marks from the meets included here. Cross Country bests are grouped by course and distance.

Date	Meet	Event	Pl	Mark	Gr
Dec 5	UMass Boston Indoor InvitationalDec 5 · 400 Meters · Place 1 · Unattached	400 Meters	1.	49.70a PB	-

Personal bests