There are several problems associated with poor foot health that are outlined on the Medicine government website. Although these are not necessarily associated with problems that come directly from long distance running, they are indeed pertinent to overall foot care. It only makes sense that any of these ailments becoming too severe could stop your training in its tracks. We have borrowed their list and included the links for you here.
- Arthritis and the Feet (American Podiatric Medical Association)
- Bunions (Hallux Abducto Valgus) (American College of Foot and Ankle Surgeons)
- Burning Feet (Mayo Foundation for Medical Education and Research)
- Cavus Foot (High-Arched Foot) (American College of Foot and Ankle Surgeons)
- Charcot Foot (American College of Foot and Ankle Surgeons)
- Equinus (American College of Foot and Ankle Surgeons)
- Flatfeet (Mayo Foundation for Medical Education and Research)
- Flexible Flatfoot (American College of Foot and Ankle Surgeons)
- Foot Drop
(National Institute of Neurological Disorders and Stroke) - Fractures of the Fifth Metatarsal (American College of Foot and Ankle Surgeons)
- Ganglion Cyst (American College of Foot and Ankle Surgeons)
- Itchy Hands or Feet (Logical Images)
- Lisfranc (Midfoot) Fractures (American Academy of Orthopaedic Surgeons)
- Metatarsalgia (Mayo Foundation for Medical Education and Research)
- Morton's Neuroma (American College of Foot and Ankle Surgeons)
- Neuromas (American Podiatric Medical Association)
- Osteoarthritis of the Foot and Ankle (American College of Foot and Ankle Surgeons)
- Peroneal Tendon Injuries (American College of Foot and Ankle Surgeons)
- Plantar Fibroma (American College of Foot and Ankle Surgeons)
- Plantar Fibroma and Plantar Fibromatosis (American Orthopaedic Foot and Ankle Society)
- Posterior Tibial Tendon Dysfunction (American Academy of Orthopaedic Surgeons)
- Puncture Wounds (American College of Foot and Ankle Surgeons)
- Rheumatoid Arthritis of the Foot and Ankle (American Orthopaedic Foot and Ankle Society)
- Tailor's Bunion (Bunionette) (American College of Foot and Ankle Surgeons)
- Tarsal Coalition (American College of Foot and Ankle Surgeons)
- Tarsal Tunnel Syndrome (American College of Foot and Ankle Surgeons)
- Trench Foot or Immersion Foot (Centers for Disease Control and Prevention)
Cavus Foot (High-Arched Foot) As Shown Below:
Here is an example of a foot condition that can be very mild an go unnoticed by someone until the start a practice like running and find that they are quick to additional foot pain and do not have the foot durability of the average runner. A prime example of when an orthotic insert or custom orthotic shoe could be of great value.
Here is what the Foot Health facts have to say about it. https://www.foothealthfacts.org/conditions/cavus-foot-(high-arched-foot)
What Is Cavus Foot? 
Cavus foot is a condition in which the foot has a very high arch. Because of this high arch, an excessive amount of weight is placed on the ball and heel of the foot when walking or standing. Cavus foot can lead to a variety of signs and symptoms, such as pain and instability. It can develop at any age and can occur in one or both feet.
Causes
Cavus foot is often caused by a neurologic disorder or other medical condition, such as cerebral palsy, Charcot-Marie-Tooth disease, spina bifida, polio, muscular dystrophy or stroke. In other cases of cavus foot, the high arch may represent an inherited structural abnormality. An accurate diagnosis is important because the underlying cause of cavus foot largely determines its future course. If the high arch is due to a neurologic disorder or other medical condition, it is likely to progressively worsen. On the other hand, cases of cavus foot that do not result from neurologic disorders usually do not change in appearance.
Symptoms
The arch of a cavus foot will appear high even when standing. In addition, one or more of the following symptoms may be present:
- Hammertoes (bent toes) or claw toes (toes clenched like a fist)
- Calluses on the ball, side or heel of the foot
- Pain when standing or walking
- An unstable foot due to the heel tilting inward, which can lead to ankle sprains
Some people with cavus foot may also experience foot drop, a weakness of the muscles in the foot and ankle that results in dragging the foot when taking a step. Foot drop is usually a sign of an underlying neurologic condition.