Complex sentence: A slow exit from Leclerc leaving the final turn as he was completing the final lap allowed Rosenqvist to draw close and passed the French driver by running in his slipstream and turning onto the inside line to reclaim first place.
Split into simpler sentences: A slow exit from Leclerc leaving the final turn as he was completing the final lap allowed Rosenqvist to draw close. Rosenqvist passed Leclerc by running in his slipstream and turning onto the inside line to reclaim first place.