SATURDAY-OCT. 3 Colorado Challenge Series — to benefit Veterans to Veterans and the Mt. Carmel Veterans Service Center. Go online for list of runs, prices and registration:  coloradochallengeseries.com . JUNE 10 El Paso County Veterans Expo — designed to connect veterans and their families with the resources, information and support they need to thrive, 9 a.m.-6 p.m., Pikes Peak Center, 190 S. Cascade Ave.; elpasoco.com/veterans-expo . JUNE 11 10th Anniversary Mt. Carmel Veterans Service Center Benefit Concert — with Walker Wilson, 7 p.m, Cowboys, 25 N. Tejon St., $10. Tickets: walkerwilson.givesmart.com . JUNE 12 Honoring the Brave Golf Tournament — to benefit Home Front Military Network, 7 a.m., Cheyenne Shadows Golf Club, Fort Carson, 1050 Titus Blvd., go online for prices. Registration:   homefrontmilitarynetwork.org/honoring-the-brave-golf-tournament .…