Dusty Boots Derby Benefit – 4:30 p.m. Saturday, May 4. Rocky River Stables, 19901 Puritas Ave., Cleveland. $75 ($50 tax deductible). Sponsorships available. Includes beer, wine, dinner, live Kentucky Derby viewing, live and silent auctions and Derby Hat competition. Benefits Valley Riding Inc. and Therapeutic Riding Program. Go to valleyriding.org or call 216-267-2525.