Complex sentence: Here he achieved the fifth and final pole position of his career and was leading the race until a puncture forced him to pit, but he charged back through the field, annihilating the circuit's lap record to finish third.
Split into simpler sentences: Here he achieved the fifth and final pole position of his career and was leading the race until a puncture forced him to pit. However, he climbed back through the field, breaking the circuit's lap record to finish third.