The seventh annual Holdenwood Trail Run will be held Sept. 29. Registration begins at 8 a.m. at 1 Parker Road. A 2K run/walk starts at 10 a.m.; the traditional 5K walk/run and — new this year — a 10K run kick off at 11 a.m. There will be an awards ceremony afterward, as well as free beer or ice cream for all finishers at Bull Run Restaurant. The entry fee in advance is $15 for entrants up to age 12, or $20 on race day; and $25 for entrants ages 13 to 64, or $30 on race day. The event is free for entrants 65 and older. For more information and to register, visit www.holdenwoodtrailrun.org. Full story for BostonGlobe.com subscribers.