Ultimate Trail Running

Bloomsbury Sport

The Ultimate Trail Running Handbook: Get fit, confident and skilled-up to go from 5k to 50k

National Geographic

100 Runs of a Lifetime: The World's Ultimate Races and Trails

Falcon Guides

Ultimate Guide to Trail Running: Everything You Need to Know about Equipment, Finding Trails, Nutrition, Hill Strategy, Racing, Avoiding Injury, Training, Weather, and Safety

Bloomsbury Sport

The Ultimate Ultra Running Handbook: For runners looking for their next challenge (English Edition)

CreateSpace Independent Publishing Platform

Trail Running Tips: The Ultimate Trail Running Guide for Beginners

National Geographic

The Ultimate Hiker's Gear Guide, Second Edition: Tools and Techniques to Hit the Trail

Falcon Guides

The Ultimate Guide to Trail Running: Everything You Need to Know About Equipment, Finding Trails, Nutrition, Hill Strategy, Racing, Avoiding Injury, Training, Weather, Safety

Skyhorse

The Ultimate Guide to Trail Running and Ultramarathons: Expert Advice, and Some Humor, on Training, Competing, Gummy Bears, Snot Rockets, and More (Ultimate Guides) (English Edition)

Trail Running: The Ultimate Guide to Running a Marathon (English Edition)

Looper