When freelance editor Lisa Roettger offered tips to writers recently, she said a developmental edit might point out problems with pacing. Here are some ideas from fantasy writer Victoria Grefer about how to fix pacing problems.
In Fiction: How Much “Down Time” is Too Much? | Creative Writing with the Crimson League
http://crimsonleague.com/2015/02/17/in-fiction-how-much-down-time-is-too-much/