Boise, Idaho is the ideal locale for anything outdoorsy – with the gorgeous Rocky Mountain foothills, a deluge of trees, and a clean, crisp flowing river that runs through the center of the city – it just doesn't get better than Boise. Because of Boise's exciting and beautiful geography, it also makes it the perfect destination for races, whether it's the daunting full marathon, half marathon, or super popular 5K – and even the most hearty and challenging of races such as Ironman and the Ultra-marathon. Who wouldn't want to run 32 miles in the scenic trails of the foothills? The opportunities to challenge yourself and go further than ever before are all over the city, regardless of whether you're a tentative first timer or a seasoned superstar going…