2018–19 C.D. Marathón season

The 2018–19 season was C.D. Marathón's 68th season in existence and the club's 53rd consecutive season in the top fight of Honduran football. The club fought for its 10th league title, in which they failed on both Apertura and Clausura tournaments.

Facing also the 2018 Honduran Cup and the 2019 Honduran Supercup, the club went on to win the last one, the first Supercup in their history.

Overview
Héctor Vargas renewed his contract on April 23, during the 2017–18 Clausura tournament.

Playoffs

 * Real España won 4–3 on aggregate.

Semifinals

 * Motagua won 4–2 on aggregate.

Round of 16
Santos Laguna won 11–2 on aggregate.