Elizabeth Hrib will have readers racing to the finish line when a Manhattan architect's attempts to win over her office crush set her on a collision course with a personal trainer who's got all the right moves.

Lydia McKenzie is not a runner. Not even close. But in her quest to be taken seriously at work - and catch the eye of her office crush - she signs up for the New York City Marathon as part of her architectural firm's outreach program. Now she just needs to avoid making a fool of herself. Thankfully, she knows how to outsource.

Personal trainer Luke Townsend is definitely a runner, and he's exactly what Lydia needs to get in shape: experienced, motivational, funny, kind, well-muscled...and when he and Lydia bond over her redesign of the Manhattan Youth Center, a place near and dear to Luke's heart, their training time intensifies from hitting the pavement to hitting the sheets. Still counts as a workout, right?

Suddenly, everything Lydia thought she wanted feels less clear, but she's determined not to let a little unplanned indiscretion derail her goals. There's no reason she and Luke can't keep training as if they don't share mind-blowing chemistry; they're professionals. But when her project proposal suddenly hangs in the balance, and her office crush offers some awfully tempting one-on-one help, she'll have to decide which direction her heart wants to run.