Hey, who wants to run 2.25 miles and gain, oh, something like 1,970 feet of elevation while doing so? Me neither. But all you folks who love hills should enter the Sentinel Hill Climb, which runs up—duh!—Mt. Sentinel. There is the "M" Trail Trot, too that is a mere two-thirds of a mile. 9 AM. $20. To register visit racemontana.com.