Ted Martin, general manager of the nonprofit organization that manages Spokane's Playfair Race Course, has died at age 67.Martin had been working with a colt on Tuesday before he suffered a heart attack at home, Spokane horseman Todd Havens said.Martin served in various positions for three decades at Playfair, currently one of two operating horse tracks in Washington along with Emerald Downs in Auburn, south of Seattle. The former Quarter Horse trainer also has served as executive director of the Idaho State Racing Commission.Most recently, Martin was general manager of the Lilac City Racing Association, which manages Playfair. The track is open for simulcast wagering five days a week and is scheduled to open for onsite racing in mid-September. Lilac City Racing's president, Bruce Wagar, said Martin was a respected figure in horse racing throughout the West.Bruce Batson, executive secretary of the Washington State Horse Racing Commission, said Martin "represented Spokane horse racing and represented it well."Martin is survived by his wife, Beverly, and their children. A funeral service was scheduled Saturday in Spokane.