Jianna Williams

Jianna Williams is a USA sprinter, born on August 20, 1993. She competes primarily in the 400m, SP and DT.

Her personal bests include 59.00 in the 400m, 16.99 in the SP, 45.65 in the DT and 63.85 in the HT. She is currently active on the international athletics circuit, representing USA.