The Institute of Equestrian Therapy, a nonprofit corporation teaching horseback riding to the disabled since 1974, will host its inaugural Bowl-athon Fundraiser Saturday, May 31 at Brunswick Lanes, 5255 Cochran St., Simi Valley. Registration begins at 4:30 p.m.; doors open at 5:30 p.m.

Royal High School graduate Maiara Walsh, Meena from the Disney Channel's "Cory in the House," will serve as celebrity hostess.

Autographed pictures with Walsh will be available for $15.

Registration fee is $20 per individual or $60 for a family (maximum of four people). Entry is limited to 500 bowlers, so early registration is encouraged.

Registration and pledge forms are at Brunswick Lanes or online at www.equestriantherapy.com.