Complex sentence: She was later banned from skiing because a qualifying race for her benefit was alleged to be corrupt but the Court of Arbitration for Sport nullified the ban, citing lack of evidence for her own wrongdoing or any manipulation.
Split into simpler sentences: She was later banned from skiing because a qualifying race for her benefit was alleged to be corrupt. However, the Court of Arbitration for Sport nullified the ban, citing lack of evidence for her own wrongdoing or for any manipulation.