約翰•馮霍夫，30年資深越野路跑與超馬跑者，曾跑過數場50韆米賽、50英裏賽、百英裏賽、24小時賽及72小時賽。他曾三度在超級艱難的美國西部百英裏賽事中完賽，也曾背著20韆剋的背包，和隊友於8日內完成加州內華達山區的約翰謬爾步道。

1992年轉換“工作跑道”，成為急診醫療輔助員，並取得骨科技術師、急診室技術師的資格，現為舊金山灣區緊急醫療服務機構一員，在全世界知名的路跑、超馬、登山或越野賽事當中，提供誌願服務。2009年，他參與瞭經典的運動傷害教科書Expedition and Wilderness Medicine的撰寫工作。

多年來，他在世界各地的賽事中擔任醫療誌工，包紮傷腳，並訓練醫護站工作人員，也提供給數以韆計的運動員許多寶貴的護腳知識。個人網站：www.fixingyourfeet.com，為各種運動員提供腳部保養知識與建議。

Too often athletes spend vast amounts of money, time, and energy on training, equipment, and travel, but little or no preparation on their feet. The highly successful Fixing Your Feet has been revised and updated to make it an even more complete source of information about proper foot care for the runner, hiker, adventure racer, or any athlete. Learn to be proactive in preventing foot problems through proper techniques, reactive with treatments when problems develop, and what supplies and resources are available. This highly practical and usable book is for anyone who has feet. It includes: The basics of selecting the right footwear. Products and gear to prevent injury. Ways to avoid and treat blisters. Symptoms and treatments for problems from athlete's foot to serious sprains. Sources and resources for equipment and supplies.