The 3rd edition of the McDowell Mountain Frenzy comes to McDowell Mountain Regional Park this weekend, taking place mainly on the “competitive track” mountain bike courses first built in 1998. The competitive tracks feature rolling hills, narrow single track, banked turns, and several named “features” including “T-Bone Ridge” (the final climb in the 25 Km & 50 Km courses), “The Chunnel” (a horse tunnel/bridge featured in all races), “Double Dip” (two steep descents at the start of the race), and “Cactus Corner” (aid station on the far southwest corner of the 10 mile course). The 5 Km race is the shortest in the DRT series and follows the Sport Loop, featuring a single loop around …