Idaho State Outdoor (2025): In his freshman outdoor season, Isaiah Leonard established himself as a promising thrower for the Bengals. He achieved a personal best in the shot put with a throw of 15.07m (49'5.5") at the Bengal Invitational (05/02/25), securing 10th place. Leonard also recorded a personal best in the discus throw, reaching 44.69m (146'7") at the Beach Invitational (04/17/25), placing 47th. In the hammer throw, he achieved a personal best of 45.85m (150'5") at the Bengal Invitational, finishing 11th. At the Big Sky Conference Outdoor Track and Field Championships (05/14/25), Leonard placed 14th in the shot put with a mark of 14.56m (47'9.25").

Idaho State Indoor (2024–25): During the indoor season, Leonard demonstrated consistent performance in the throwing events. He achieved a personal best in the shot put with a mark of 14.23m (46'8.25") at the Mountain States Games (02/14/25), placing 12th. In the weight throw, he recorded a personal best of 14.55m (47'9") at the same meet, finishing 13th. Leonard also competed in the shot put and weight throw at the Stacy Dragila Open (02/07/25), recording marks of 13.46m (44'2") and 13.62m (44'8.25"), respectively