Trail running means great scenery and a mental boost, but also has excellent physical benefits which can help boost fitness and performance.
Gaelforce 10K Trilogy
Health Benefits of Running and Jogging
Physical Benefits of Trail Running, The Trail Hub
Run High: Science of Marijuana & Running. How to Finish Faster. 7 Nutrition Tips to Boost Endurance, by Amby Burfoot, Runner's Life
The Benefits Of Trail Running: 6 Reasons To Hit The Trails Today!
17 Kick-Ass Benefits of Trail Running
The Unexpected Benefits of Trail Running — Roadrunners of Kansas City
The Benefits of Trail Running for Body and Mind - In the Woods, Dear
12 Benefits of Trail Running (And Why You Should Try It!) - Cool of the Wild
Run Hub Northwest