Complex sentence: She helped the Russian team win a gold medal, she finished 6th in the all-around despite qualifying 1st in qualifications, however in the event finals she won gold on both balance beam and floor exercise.
Split into simpler sentences: She helped the Russian team win a gold medal, but unfortunately faltered in the all-around, placing sixth (despite having qualified first to the all-around final). However, she redeemed herself in event finals, winning gold on both balance beam and floor exercise.