The second annual Mayors' Challenge Golf Tournament at Keller Golf Course June 13 from 11 a.m. to 7 p.m. Cost is $150 per golfer or $550 per foursome and includes lunch, dinner, greens fees, cart and golf balls. Silent auction will also be held. Proceeds benefit Northeast Youth & Family Services, a nonprofit mental health and social service agency serving over 4,000 youth, adults and families in the northeastern suburban community.