From Koiwa High School, Rotich was a state champion in high school. He was recruited to UTEP from El Paso, Texas, whose track and cross country program had a long history in recruiting talented runners from eastern Africa. At UTEP, Rotich was a 3 time NCAA champion in the 3000 meters steeplechase.[3] In 2014, he won the mile at the indoor NCAAs and won the 3000-meter steeplechase at the 2014 NCAA Division I Outdoor Track and Field Championships.
In 2015, Rotich was named Conference USA track and field athlete of the year.[4] By the time he graduated in 2015, Rotich's was awarded twelve All-American honors in NCAA track and cross country, with a total of 11 national awards.[5][6]
1500m 3:48.74 El Paso (USA) 25.03.2017
Mile ind. 4:03.67 Albuquerque (USA) 11.02.2017
3000mSC 8:36.39 Palo Alto (USA) 05.05.2017
Anthony Rotich placed first in 2017 Payton Jordan Invitational 3,000m steeplechase in 8:36.39 at Stanford University on 5 May 2017.[8]
Rotich won 2018 Music City Distance Carnival steeplechase in Nashville, Tennessee in 8:34.56.