Complex sentence: In standard formats, the pairings are based on the lowest elapsed times In NHRA Competition Eliminator, pairings are based on times compared to their index (faster than index for class is better).
Split into simpler sentences: In standard formats, the pairings are based on the lowest elapsed times. In bracket racing without a breakout (such as NHRA Competition Eliminator), pairings are based on times compared to their index (faster than index for class is better).