A good warm-up before a long run takes about 10 to 15 minutes and progresses from easy movement to dynamic exercises to a few short strides. The goal is simple: raise your body temperature, wake up your nervous system, and get blood flowing to your legs so the first few miles don’t feel sluggish. Here’s how to structure it.
Why Warming Up Matters for Long Runs
When you start running cold, your muscles are stiff, your joints feel tight, and your cardiovascular system hasn’t caught up to the demands you’re placing on it. A warm-up raises your core and muscle temperature, which makes your muscles more pliable and improves how efficiently they contract. It also primes your neuromuscular system, essentially switching on the communication pathways between your brain and your muscles so they fire more effectively from the start.
For long runs specifically, this means you settle into your pace faster and avoid that heavy, effortful feeling that often plagues the first mile or two. A warm-up also shifts blood flow toward your working muscles, which helps deliver oxygen more efficiently once you’re moving at a steady clip. Think of it as giving your body a heads-up before you ask it to work for an extended period.
Start With 5 to 10 Minutes of Easy Movement
Begin with a walk or very easy jog at a conversational pace. This is not your run; it’s preparation for your run. Five minutes is enough on a warm day, while 10 minutes works better in cooler conditions. The idea is to gradually increase your heart rate and get blood circulating to your legs, hips, and core without building any fatigue.
If you’re running from your front door, simply walk briskly for a few minutes before picking up to an easy shuffle. If you’re driving to a trail or track, use the walk from the car as part of this phase and extend it with light jogging once you arrive. By the end of this phase, you should feel warm but not winded, maybe a three or four out of 10 effort.
Add Dynamic Stretches and Drills
Once your body temperature is up, spend about five minutes on dynamic movements. Unlike static stretching (holding a stretch for 30 seconds), dynamic exercises move your joints through their full range of motion while activating the muscles you’ll rely on during the run. A meta-analysis pooling 15 studies found that neither dynamic nor static stretching significantly changed running economy on its own, but dynamic movements do serve a second purpose: they activate muscle groups that tend to stay dormant, especially the glutes.
Your glutes, particularly the gluteus medius and upper gluteus maximus, are responsible for keeping your hips stable and your stride smooth. When they aren’t engaged, your knees, IT band, and lower back pick up the slack, which is a recipe for injury on long efforts. A few targeted activation drills before you run can teach these muscles to fire on time.
Here’s a practical sequence you can do in about five minutes:
- Leg swings (forward and lateral): 10 each direction per leg. Hold onto something for balance and swing your leg in a controlled arc, gradually increasing the range.
- Walking lunges with a twist: 8 to 10 per side. Step forward into a lunge, then rotate your torso toward the front knee. This opens up your hip flexors and fires your glutes simultaneously.
- High knees: 15 to 20 meters. Drive your knees up while staying on the balls of your feet. Keep it controlled, not sprinting.
- Butt kicks: 15 to 20 meters. Focus on pulling your heel toward your glute to activate your hamstrings.
- Clamshells or lateral band walks: 10 to 12 per side. These isolate the smaller glute muscles that stabilize your hips. If you have a resistance band, sidesteps are excellent here.
- Single-leg bridges: 8 per side. Lie on your back, drive through one heel, and squeeze at the top. This targets your larger glute muscles and builds the single-leg stability running demands.
You don’t need to do every exercise on this list every time. Pick four or five movements and rotate them. The point is to move your hips, ankles, and knees through a full range while activating your glutes and hamstrings.
Finish With Strides
Strides are the final piece of the warm-up, and they’re what separate a decent warm-up from a great one. A stride is a short acceleration over 50 to 150 meters (roughly 10 to 30 seconds) where you build up to about 80 to 90 percent of your top speed, hold it briefly, then decelerate. They prime your neuromuscular system to produce force quickly, which makes your actual running pace feel easier by comparison.
For a long run, four to six strides is plenty. You’re not trying to fatigue yourself. Run each one on flat ground, focusing on smooth, relaxed form: tall posture, quick turnover, relaxed shoulders and hands. Walk back to your starting point between each one to recover fully. The whole process takes three to five minutes.
Strides work because they “switch all the lights on,” as one running coach puts it. Even if your long run pace is moderate, having your nervous system fully engaged means your legs respond more efficiently, your form stays cleaner, and your perceived effort drops. Research on neuromuscular priming shows that runners who do strides before a workout can hold the same pace at a lower effort level compared to skipping them.
Adjusting for Cold Weather
Cold air constricts blood vessels and restricts blood flow, which makes muscles contract and feel stiff. If you try to force your pace before you’re warm, you risk straining a muscle. In temperatures below about 40°F (4°C), extend each phase of your warm-up.
Start your easy jog indoors on a treadmill if possible, or do your dynamic exercises inside before heading out. Add an extra five minutes of walking or slow jogging at the beginning, and don’t rush the transition to your target pace once the run starts. Dress in a throwaway layer for the warm-up that you can tie around your waist once you’re moving. Your first mile should feel deliberately easy; your body will catch up.
Adjusting for Warm Weather
In hot conditions, a long warm-up can work against you by raising your core temperature too high before the run even starts. Shorten the easy jog to three to five minutes and reduce your strides to three or four. Focus on the dynamic movements, which activate muscles without generating excessive heat. If it’s above 80°F (27°C), your body will warm itself quickly once you start running, so the warm-up can be abbreviated without losing its benefits.
Putting It All Together
A complete warm-up for a long run follows a simple progression:
- Easy walking or jogging: 5 to 10 minutes
- Dynamic exercises and activation drills: 5 minutes
- Strides: 4 to 6 repetitions, 3 to 5 minutes total
The whole routine takes 13 to 20 minutes. For an easy long run at a comfortable pace, you can lean toward the shorter end. For a long run with tempo segments, race-pace work, or a goal race, invest the full 20 minutes. The first mile of your actual run should feel noticeably smoother than it would if you’d just walked out the door and started running. If it doesn’t, you probably cut the warm-up short.
One final consideration: consistency matters more than perfection. A warm-up routine you actually do every time beats an elaborate one you skip when you’re short on time. Find four or five dynamic movements you like, pair them with a few strides, and make the sequence automatic. Over weeks and months, your body learns to respond faster, and those first few miles of your long run stop being the hardest part.