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 workou