After a winter of ski touring or skimo, your cardiovascular system is strong, but your musculoskeletal system is not ready to run. Tendons, bones, and the muscles specific to running have not been loaded in the same way for months. The mismatch between cardiovascular fitness and structural readiness is the primary injury risk during the spring transition, and managing it requires patience and a deliberate ramp-up.
The single most effective thing you can do is maintain a minimal running routine during ski season. Even one or two short runs per week—swapping a recovery ski day for a 30-minute jog, or adding a brief run after a day on the slopes—keeps your running-specific tissues loaded enough to make the spring transition significantly smoother.
How to set goals for spring running
Define your spring running objectives early. If skiing is your sole focus until the snow melts, that is fine—accept that your running transition will start later and plan accordingly. But if you are targeting early-season running events, be prepared to prioritize running training even when conditions tempt you to keep skiing. Understanding why you are trading a powder day for a training run makes it easier to commit when motivation wavers.
Plan your weekly training volume and vertical to match the distance and elevation profile of your target event. This structures the ramp-up, prevents the impulse to do too much too soon, and reduces injury risk during the transition period.

How to make limited running sessions count
If you are only running once or twice per week during ski season, make those sessions purposeful. Incorporate strides—short, fast intervals of 15 to 20 seconds—after a thorough warm-up. Strides remind your muscles of the speed, coordination, and force production required for running. Allow full recovery between repetitions. The goal is neuromuscular conditioning, not aerobic stress. You are getting plenty of aerobic work on skis.
What role does strength training play in transitioning?
Strength training focused on muscular endurance and eccentric loading is one of the most effective ways to prepare your body for the impact demands of running. Running involves significantly more eccentric muscle contraction than skiing—particularly on descents—and tendons that have not been loaded eccentrically for months are vulnerable. A gym routine that includes eccentric squats, single-leg work, and calf loading builds the structural resilience your tendons and muscles need before you start adding running volume.
How to manage the volume ramp-up
As trails dry and social running opportunities multiply, the temptation to do too much too fast is real. A single week of aggressive running volume followed by weeks of forced rest from injury will derail more progress than a cautious ramp-up ever costs. Start by slowly replacing ski sessions with runs, increasing frequency before intensity. Allow your tendons the time they need to adapt to the new loading pattern—tendon adaptation is slower than cardiovascular adaptation, and it is the limiting factor in this transition.
A structured approach: begin with 2 to 3 runs per week at easy effort and short duration, increasing total weekly running volume by no more than 10 to 15 percent per week. Keep your long runs moderate until you have at least 3 to 4 weeks of consistent running behind you. If anything feels wrong in a tendon or joint, back off before it becomes an injury.
The spring transition rewards patience and structure. Your aerobic engine from a winter of skiing is an asset, not something to squander by getting hurt in the first two weeks of running. Manage the ramp-up, maintain your strength work, and give your body the time it needs to catch up to your cardiovascular fitness.