(Image credit: Tom's Guide) We've hit the middle of spring, and if you're planning to beat your PRs before the season is over, picking up a pair of the best running shoes would be a great idea. Right now, a bunch of the most popular Saucony running shoes are dropping in price, so don't miss your chance to save! In a hurry? My favorite deal right now is the Saucony Hurricane 25 on sale from $152 . This 10% discount is much appreciated as they're one of the best running shoes our fitness team has tested — they got lots of praise from us for their stable, cushioned feel underfoot.…