The Sierra Club offers a wide variety of regularly occurring O-rated conditioning hikes that may prove useful for getting in shape and staying in shape.  You may find them listed in the printed version of the Angeles Chapter’s Schedule of Activities, or you may search for them online at the link below (use keyword “conditioning” and “ordinary” for the hike rating):

Angeles Chapter Outings (be sure to click the search button!)

Contact info for the leaders is listed in the Angeles Chapter’s Schedule of Activities.  If you are not a Sierra Club member, the Schedule is available for purchase at REI, A16 and Sports Chalet.