Possible Clues:

• Most dilatory in laying second towels out
• Second next to bottom, being most stupid
• Most stupid point put by Labour, no good
• Running in the race after all
• Last at Belmont Park
• Sew lots, perhaps, despite being last to finish
• Most dull-witted son, and his position in class?
• Last at Daytona, say
• Larghissimo, among all musical tempos
• Last in race: Wes lost badly