"But then I put the hammer down on laps two and three and then just tried to survive after that.
"To be honest, though, I couldn't have held Brad [Groombridge] at bay for another lap. I didn't realise he was coming so fast."
As he prepared to head once again to the hilly, farmland venue on the outskirts of Te Teko, Townley was in confident mood ahead of this year's race, although still wary of the competition.
"I'm a lot fitter this year and now have calluses on my palms too, so my hands are a lot tougher," he said.
"Brad will be tough to beat again and I know he fancies his chances after he got a sniff of the win last year.
"But I will probably also have to be concerned about Paul Whibley and Adrian Smith."
Pahiatua's Whibley (Yamaha YZ450F) and Mokau's Smith (Yamaha YZ250FX) battled throughout the New Zealand cross-country championships that wrapped up in May, finishing the series 1-2.
"I know that Whibley and Smith will be fast starters and that's really one of the keys to winning the Tarawera 100," said Townley.
"There is still a lot of race to go after the start but a good start puts a rider in control."
As well as winning outright, Townley won the over-300cc four-stroke class win at the Tarawera 100 last year.
Fellow Honda star and Rotorua rider Scott Birch (Honda Hamilton CRF250) won the under-300cc four-stroke class.
The 2015 Tarawera 100 takes places this Sunday.