Lexi, Tori Weeks Hoggard, and Desiree Freier placed 1st, 2nd and 5th scoring 22 points for the Arkansas Razorbacks at 2018 NCAA Indoor Track and Field championships.

She set a national high school pole vault record in 2015 with a height of 14 feet, 7.5 inches[9][10] Jacobus was honored by 2015 Arkansas Gatorade Player of the Year awards for Track and Field.

Jacobus cleared 4.46 metres (14 ft 7+1⁄2 in) in Black Springs, Arkansas and set the Pole vault American Junior record.

[12] Jacobus finished second at 2013 Arkansas Activities Association outdoor state track and field 7A championships Pole vault in 3.66 metres (12 ft 0 in).

Weeks won 2013 Arkansas Activities Association indoor state track and field 5A-7A championships pole vault in 3.76 metres (12 ft 4 in).