The Missoula Hellgate Rollergirls will take on the Palouse River Rollers All-Stars from Pullman, Washington in their final home bout of the season. Come watch the action as the ladies of flat-track roller derby clash against this highly athletic team from the Inland Northwest! Junior bout gets under way at 5:30 as the Hellgate Hellions welcome the Billings Back Alley Brats to Missoula. Headlining bout will start at 7:30 at the Western Montana Fairgrounds outdoor rink located at 1101 South Ave. Tickets can be purchased in advance on the website for $8 or at the event for $10, students are $8 and kids 12 and under are free.