Complex sentence: Angela is not looking forward to the annual bicycle race, while she's stuck with her brother's hand me down bikes, Nanette rides the best bikes money can buy, and naturally rides rings around her and the competition.
Split into simpler sentences: Angela is not looking forward to the annual bicycle race. While she's stuck with her brother's hand me down bikes, Nanette rides the best bikes money can buy, and naturally rides rings around her and the competition.