Complex sentence: Another third-place finish in the following season led to another play-off campaign; after beating Workington 4--1 in the semi-finals, they lost 2--1 to Fleetwood Town in the final.
Split into simpler sentences: Another third-place finish the following season led to another play-off campaign. After beating Workington 4--1 in the semi-finals, they lost 2--1 to Fleetwood Town in the final.