Best Of Marathon 2025. I looked at the cost of entry, level of difficulty, scenery, weather, and a few other factors to compile this final list. To run in 2025 that can help you to achieve a very natural, satisfying high.

Even if you’re new to running and have your sights set on your first marathon, now is a great time to start logging miles and considering what race you can sign up for in the near future. Without a doubt, the toughest marathon on this list (and one of the toughest in the world) is the jungfrau marathon.