The Ellis River Riders of Andover will hold a two-day horse show Saturday and Sunday Labor Day Weekend, Aug. 30-31. There will be barrels, poles, relay races and many games. Activities will begin at 9 a.m. both days. Spectators are welcome. Food and seating will be available. The horse club is on Airport Road, just off Route 5. For more information, visit www.ellisriverriders.com.