i get down to 6:30 that 37 KMH? i did this on my mountain bike im getting a road bike and in combination with training will i be able to finish the 4.1k in 6 min 30 sec i was going all out the whole time AS HARD AS I COULD GO what type of training should i do? i want to compete the aveage speed is 37KMH!!!!!!! is that even posible to get to ?? THANKS 