Black River Run, 100 miles

Black River Run is an urban ultramarathon in Västerås offered at several distances: 100 miles (161 km), 50 miles (80.5 km), Intro Ultra (48 km), 20 miles (32.2 km), and 10 miles. The start, turnaround, and finish are at Västerås SOK's clubhouse Orientalen, which has changing rooms, showers, and a sauna. The course consists of a varied loop of 10 miles (16.1 km) with technical trails, jogging tracks, gravel roads, hiking trails, and sections of asphalt. The race is organized by Västerås Running Club and offers rewards such as a medal for completing the race and a belt buckle for 100 miles under 24 hours.

Distances: 100 miles, 50 miles, Intro Ultra (48 km), 20 miles, and 10 miles. Start/turnaround/finish at Västerås SOK's clubhouse Orientalen with changing rooms, showers, and a sauna. 100-mile runners who complete the course within 24 hours receive BRR's belt buckle; others who finish receive a medal. Participants can opt out of the medal, in which case the organizer will donate 20 SEK to Doctors Without Borders. The distances include 100 miles, 50 miles, Intro Ultra 48 km, 20 miles, and 10 miles; the course is permanently marked with red posts; start and finish at Orientalen; 24-hour time limit for 100 miles; sauna and showers in the clubhouse.