A star on the track & field and basketball team, Charles Kneedler earned eight varsity letters during his four years at Westminster. He earned the “Westminster College Athlete of the Year” title in 1961 and 1962 and was the captain of the track & field and basketball team in 1962.

Kneedler held an undefeated record at home during regular season in the broad jump with 29 wins. He finished his career with 64 wins and just 3 losses in the broad jump, posting an impressive 95.5 winning percentage. In 1962, Kneedler qualified for NAIA Track Nationals in jumping events. He held the Westminster school records for triple jump (formerly hop-step-jump), high jump and broad jump when he graduated, but they have since been broken. 

In 1960 and 1962, Kneedler placed first in the broad jump and high jump in the Missouri College Athletic Union (MCAU) Conference Meet. In 1961, Kneedler competed against Olympic Gold Medalist and World Record Holder, Ralph Boston.

In basketball, Kneedler was a member of the 1960 MCAU Championship team and a two-time MCAU All-Conference player.