The DEULUX-Lauf Langsur is an international road race in Langsur, situated on the Germany-Luxembourg border, typically occurring in November. It marks the traditional conclusion of the 4 Regio Cup and is also part of the SWT Kids Cup, offering four race distances: a 10 km main event, and children's and youth races of 2 km, 1 km, and 360 meters.
The start and finish lines are located at Wasserbilligerstrasse and Mesenicherstrasse in Langsur. The 10 km race has a time limit of 90 minutes. First held in 1992, the event is organized by LG Langsur e.V. Laufbewerbe and typically attracts between 1,001 and 3,000 participants. Families are central to the event, which includes medals for children, age-group awards, prize money, chip timing, kilometer markers, refreshments, live music along the route, showers, parking, and a complimentary bag check.