Watch a Colorado Mammoth game at Ball Arena one weekend and a CHSAA high school match the next, and it can feel like two different sports sharing a name and a stick. Box lacrosse and field lacrosse both trace back to the same game, but the National Lacrosse League and USA Lacrosse govern versions built around different …

Box lacrosse packs a full professional season into fewer games than most sports play in a single month. The National Lacrosse League runs on an 18-game regular season — short enough that no losing streak goes unnoticed, tight enough that every winter home game at Ball Arena matters for the playoff bracket that closes …

One goal. After a season that put the Front Range's pro lacrosse team back among the best in the world, the Colorado Mammoth's 2025-26 campaign ended on a single overtime goal — a 13-12 loss to the San Diego Seals in the National Lacrosse League quarterfinals on April 25, 2026. For Boulder County fans who made the …

Box lacrosse is the indoor version of the game — fast, physical, and played in an enclosed arena. It's the same sport the Colorado Mammoth play in the National Lacrosse League (NLL). If you've been to a Mammoth game at Ball Arena in Denver, you've seen box lacrosse at its highest level. How Box Lacrosse Differs from …

Boulder County lacrosse fans have excellent options for following professional lacrosse — both a home team just down the road and top outdoor competition on national TV. Colorado Mammoth — NLL (Indoor) The Colorado Mammoth are the Denver-based franchise in the National Lacrosse League (NLL), the premier professional …

If you follow lacrosse in Boulder County, the Colorado Mammoth should be on your radar. They're a 30-minute drive down US-36, they play one of the most exciting sports you'll watch live, and they represent the highest level of box lacrosse in the world. Who Are the Mammoth? The Colorado Mammoth are a franchise in the …

If you've been to a Colorado Mammoth game or watched NLL highlights, you've seen box lacrosse. But if you're newer to the sport, you might be wondering how it differs from the outdoor game your kid plays in the spring. Here's a quick breakdown. The Basics Box lacrosse is played indoors in an enclosed arena — typically …

Useful lacrosse links for Boulder County and beyond: Lacrosse Links Colorado Lacrosse Links International Lacrosse Links National Lacrosse Links Rules & Equipment Links Colorado Lacrosse Links Vail Shootout Yearly lacrosse tournament held in Vail, Colorado. Denver University (DU) Men's Lacrosse Arapahoe High School …