Colorado Avalanche vs Utah Mammoth Head-to-Head

Avalanche built their historical edge pre-2005, winning 42 of 74 decided meetings (57%) (plus 12 ties). In the shootout era they are 48-35 against each other (58% Avalanche). 12 historical ties live in the all-time ledger, all predating the 2005 shootout rule. Postseason history is deep: 10 playoff games between the two franchises. Games average a 2.3-goal margin, with the largest blowout coming via Mammoth's 7-goal win. Across the last 20 decided meetings Avalanche hold a 13-7 edge, suggesting the modern balance leans their way. The 2000s produced the deepest sample with 40 recorded meetings, more than any other decade in the series. Their first recorded meeting fell in 1979, so the rivalry has spanned 47 seasons of NHL history. Most recent result: Avalanche won 4-2 on Feb 25, 2026. Through the 2020s Avalanche have led 22-10 between the teams.