On this show with Tawnee and Lucho: Tawnee tells about her Boston Marathon experience. Soreness on the top of the foot, what could this be? Ideas: Metatarsal stress fracture, bone spur, shoes too tight. Young 24-year-old male describes being a highly anaerobic endurance athlete who holds his heart rate at 170-190+ bpm often, and his MAF pace is Read More