wasn't there a discussion about this recently - 10k pace=2k+7 - or am i imagining it...? my 10k is 2k+7 (give or take the odd 10th). if so, 37:00 looks do-able from a 1:44av. 2k jane Jane, The most quoted rule of thumb is to add 4 or 5s per 500 for each doubling in distance, so 8k would be 2k+8-10,...