Whether you're grinding up Rocky Canyon for Race to Robie Creek, logging Greenbelt miles for the City of Trees Marathon, or training for your first 5K, the Treasure Valley running calendar gives us plenty to chase. It also keeps a foot and ankle clinic busy — because the foot and ankle absorb the brunt of every mile you run.
Running injuries are common. Research reviews estimate that up to about 79% of runners experience a running-related injury in a given year, and the large majority of those injuries affect the lower limb. Newer runners are most at risk: one review put the injury rate around 17.8 per 1,000 hours of running for novices, versus 7.7 for recreational runners and 3.5 for elites. The reassuring part is that most running foot and ankle injuries are overuse problems — which means they're largely preventable with smart training.
Here are the six I see most often in Treasure Valley runners, how to recognize them, and how to keep them from derailing your race.
The most common running heel complaint. The plantar fascia — a thick band along the bottom of your foot — gets overloaded, producing a sharp, stabbing heel pain that's worst with your first steps in the morning. High weekly mileage on the flat Greenbelt, worn-out shoes, and tight calves are classic triggers.
How to prevent it: Stretch your calves and the arch of your foot daily, increase mileage gradually, and don't run in shoes past their prime. Learn more about how we treat plantar fasciitis.
The Achilles tendon connects your calf to your heel and takes enormous load during push-off — especially on hills. Boise's foothills and a hill monster like Robie Creek are notorious for flaring it up. You'll feel pain and stiffness at the back of the heel, often worst at the start of a run or the next morning.
How long does Achilles tendonitis take to heal in runners? It varies quite a bit. With early treatment and load management, many runners improve over roughly 12–16 weeks; cases that are ignored can linger far longer. The key is to back off and treat it early rather than running through it. Here's our overview of Achilles tendonitis care.
A stress fracture is a tiny crack in a bone from repetitive impact — most often in the metatarsals (the long bones behind your toes). Bone stress injuries are a real risk for runners; one review reported a one-year incidence as high as 21%. The pain is usually pinpoint, worsens with activity, and often eases with rest at first — which is exactly why runners tend to dismiss it.
No — and this is the one to take seriously. Running through a suspected stress fracture can turn a hairline crack into a complete break that needs much longer to heal. Stress fractures and shin splints can feel similar, but a stress fracture needs imaging and rest. If you have focused, localized bone pain that's getting worse, stop running and get it evaluated.
"Shin splints" (medial tibial stress syndrome) is an aching pain along the inner shinbone, common when runners ramp up mileage or intensity too quickly, or run on hard surfaces. It's usually a more diffuse ache than the pinpoint pain of a stress fracture — but because the two overlap, persistent shin pain deserves a proper look.
How to prevent it: Follow the "roughly 10% per week" rule for mileage increases, mix in softer surfaces like dirt foothills paths, and make sure your shoes match your foot type.
If you feel burning, tingling, or the sensation of "a sock bunched up" in the ball of your foot — often between the third and fourth toes — it may be a Morton's neuroma, an irritated, thickened nerve. Tight or narrow shoes and high mileage aggravate it. Both neuromas and metatarsal stress fractures cause forefoot pain but are very different problems, so it's worth getting the right diagnosis rather than guessing.
Road runners get them too, but trail runners on the Boise Front and Bogus Basin series are especially exposed — one bad step on a rock or root rolls the ankle. A first sprain that doesn't fully rehab is the leading risk factor for the next one and for long-term ankle instability. Don't rush back; restore strength and balance before returning to speed. (For more on trail-specific prevention, see our guide to protecting your ankles in the foothills.)
Most of the injuries above share the same root cause — doing too much, too soon, in the wrong shoes. A few habits prevent the majority of them:
Book a visit if pain lasts more than a week or two, gets worse during or after running, is sharp and localized to one spot of bone, causes a limp or swelling, or keeps coming back. Catching a running injury early usually means a shorter time off — and a better shot at making your race. This article is educational and isn't a substitute for an exam; persistent pain should be evaluated in person.
Treasure Valley running season is too good to spend on the sidelines. Build your mileage patiently, run in shoes that fit, rehab old injuries completely, and listen when your feet talk back. And if a nagging pain isn't improving, get ahead of it — a quick evaluation now beats missing your start line later.
Dr. Clark Johnson is a board-certified foot and ankle surgeon at Treasure Valley Foot & Ankle in Meridian, caring for runners across the valley. Training for a race and fighting a stubborn foot or ankle problem? Request an appointment or call (208) 272-9253 — same-day visits are often available.
From heel pain to stress fractures, the sooner we catch it, the faster you're back on the road.