Complex sentence: She had two things going against her according to the odds-makers in her quest for Miss America: her age, being 18 years of age at the time, and her trampoline talent, as it was considered "too athletic" by some.
Split into simpler sentences: She had two things going against her according to the odds makers in her quest for Miss America. Her age, only being 18 at the time and her trampoline talent as it was considered "too athletic" by some.