David May scored on a 2-yard quarterback sneak to put Steamboat up 22-0 over D'Evelyn and seal a trip to the state semifinals for the Sailors.
On the ensuing possession, Sailor Lonny Radford intercepted a pass, giving the Sailors the ball with two minutes left and the chance to run out the clock.
May then took a knee and as the clock wound down to zero, the Sailors llifted outgoing Coach Mark Drake on their shoulders and carried him off the field.
Steamboat is expected to travel to Florence for its semifinal game next week. Florence beat Moffat County 33-13 Saturday.
The Sailors broke open a close game in the fourth period.
May's touchdown was the second of the final quarter for the Sailors. With seven minutes to go, Casey Earp gathered in a pass from May, reversed his field and ran 26 yards for a touchdown to give the Sailors a 15-0 lead.
The Sailors tried a two-point conversion, but May was flagged for an illegal forward lateral.
Earlier, Shea Hurley scored on a 3-yard run with four minutes left in the third quarter to give Steamboat Springs a 9-0 lead. Hurley set up the touchdown with a 69-yard run after taking a screen pass from May. It was snowing heavily when Hurley scored and Tyler Fosdick missed the extra point.
Fosdick gave the Saiolors a 3-0 lead with his 27-yard field goal with 52 seconds left in the first quarter. That score held up throughout the remainder of the half.
The Sailors, ranked fourth in the state, are 11-1 on the season. D'Evelyn, ranked second, fell to 11-1.