Ruck Event Details

Those wishing to race in the ruck category must provide their own pack/vest and weight. Ruckers and their packs/vests will both will be weighed before the race start.

Ruckers under 150 lbs must have a pack/vest with 20 lbs
Ruckers over 150 lbs must have a pack/vest with 30 lbs

Additional Rules:

Ruck weight must be on the athlete at all times.
No specific pack/vest is required.
Ruck weight may be a combination of the pack and the weight.
Ruck weight may not be consumable, i.e. water and food carried does not count as the ruck weight.

Click here for more information about rucking from GoRuck.

Trivium Racing Rucking Series:

Trivium Racing’s Michigan Series lets participants compete across a variety of road and trail races ranging from 5K to 50 miles, earning points toward year-end awards, including free race entries. Participants must complete at least four events to qualify, with their top six performances counting toward the standings. New for 2026, a separate Michigan Ruck Series offers ruck-specific events, with awards for those who complete at least three.

Ruck Series Events:

Winter Trail Fest Eastside Half Marathon & 5 Mile: February 14

Thumb Coast Ultra 50 Mile, 50K, & 50 Mile Relay: April 25

Summer Trail Fest Ultra 50 Mile, 50K, Half Marathon, & 5 Mile: June 13

Black Toenail Friday Half Marathon & 7.5 Mile: November 27