After I completed the July 4th Killington Triathlon, I learned that going uphill is really not that bad. It’s difficult, but I love a good challenge and muscle burn. Thanks to genetics’ blessing with my large quadriceps and hamstrings, hills are a challenge I can handle. On the other hand, going downhill on a road bike in the rain can be pretty scary. Since the Killington race, which included downhills in the rain, I’ve been nervous about going down hills. Now, I’m not talking about basic hills, you know those little hills that are a part of almost every …