Gladwin was born in Doe Lea, Derbyshire.
After the interval of the First World War, Gladwin made his third and last first-class appearance in the 1919 County Championship.
He was a right-handed batsman and played five innings in three first-class matches.
He was a right-arm medium-fast bowler who took one wicket in 30 balls bowled.
His son Cliff Gladwin played for Derbyshire and England.