Atomic City Roller Girls’ Shamrock Showdown is March 28 at the Southridge Sports & Events Complex, 2901 Southridge Blvd., Kennewick.
Doors open at 4 p.m. The first bout, which is co-ed, starts at 5 p.m. It pits Northern Exposure Roller Derby against Portland Renegade Roller Derby.
In the second bout, which starts at 7 p.m., the Atomic City Roller Girls will take on the Grunge City Rollers from Seattle.
Cost is $10 in advance or $12 at the door. Children 10 and younger are admitted free.
Tickets are available at www.atomiccityrollergirls.org.
Those who wear green will have the chance to win a $25 Big 5 Sporting Goods gift card.
An after party is planned at Out and About, 327 W Lewis St., Pasco.