He was probably just pulling a 140lb dummy behind him to mimick what it will be like to tow me (and I do realize that I have just opened the floor for some witty banter on my intellect but please refrain!)
Close - carrying Phatty's roller blades to mimic what it will be like to run with them during the roller/trikke sections... :)
But I guess you left them behind tonight, since you're back up to speed again. Phew!