I just used Strava to map out a ride I've done a couple times. It's about 25 miles with some hills, but there's a hill at the end that I really struggle with. It climbs about 160ft in .75 miles. That about kills me. I'm sure other more experienced riders who are good climbers will laugh at that, but would you consider that a good challenge for someone who's fairly new to the sport & has about 600 miles in the saddle? The steepest part of the grade is almost 11% for about 1/8 mile.