Complex sentence: Lewis himself jumped 8.91m moments before Powell's record-breaking jump with the wind exceeding the maximum allowed; this jump remains the longest ever to not win Olympic or World Championship gold medal, or any competition in general.
Split into simpler sentences: Lewis himself jumped 8.91m moments before Powell's record-breaking jump with the wind exceeding the maximum allowed. This jump remains the longest ever not to win an Olympic or World Championship gold medal, or any competition in general.