Hey there Sushi - awesome time! (although the average and distance dont seem to match... like Eden said, just check your speedo)

I have a 25km TT coming up this Saturday and aiming for my average to be 31-32kph at the least (thats only about 19-20mph I think?). It has a hill in the middle of it which will slow me down... and probably a head wind out but at least the tail wind back will be nice.

I concur with the importance of warming up - I do a good warm-up too before a road race or a TT - about 30 minutes.

As eden suggests, aerobars are well worth it - they raise your speed by about 1-2kph without any extra effort.

When I TT I tend to spend the first 3 kilometres just building up to my lactate threshold... then I try and ride just under it. At the last 8 or so kilometres I start to wind it up another notch riding in my lactate threshold, and the last 1-2 kms I try to go over my lactate threshold. It hurts, and my head still doesn't allow me to push my body as much as I should... but I am working on it. Ideally, at the end of a TT you should be able to say to truly gave it everything you had.

Welcome to the world of racing addiction...