Arianna Fisher, a junior at Missouri, took third in the women's triple jump with a personal-best effort of 44-7 (13.59m) in the third round at the Tyson Invitational at Randal Tyson Track Center in Fayetteville, Ark.  Fisher improved from 44-4.25 (13.52m) on Jan. 29 at the Razorback Invitational at the same venue.