The LiUNA! 150 is a event in the NASCAR Craftsman Truck Series that takes place at Lime Rock Park in Connecticut.
Corey Heim is the defending race winner.
On August 29, 2024, the 2025 schedule released announcing a race at Lime Rock. The Laborers' International Union of North America (LiUNA) was announced as the inaugural title sponsor for the race. The inaugural race was won by Corey Heim, who swept both stages and led a race-high 99 laps. The race takes place on the same day as the Focused Health 250 in the NASCAR O'Reilly Auto Parts Series.