Strength training is one of the best additions runners can make to their training, but building a strength training schedule for runners that actually works around key runs, easy days, and long runs can make a big difference.
A good strength program can support running economy, power, tissue capacity, and reduce injury risk. But if lifting is placed on the wrong days, it can leave your legs heavy for speedwork, interfere with your long run, or turn your easy days into moderate days.
Look, at the end of the day, any strength training is better than no strength training. So if squeezing it in somewhere means you actually get it done, then that’s awesome
But if you have the ability to structure your schedule well, that’s where the magic happens. You’ll find that your strength training will support your running, and protect your recovery.
Why Strength Training Timing Is So Important for Runners
Running and lifting both create training stress. That stress is what helps your body adapt, but the caveat is, this adaptation only happens if you recover from it. This recovery can be optimized if you’ve got a balanced training schedule.
Research supports adding strength training to running programs, particularly for improving running economy. Heavy resistance training and plyometric training can both be useful, and one systematic review found heavy resistance training may be especially helpful for improving running economy and time trial performance in long-distance runners.
That said, strength training still adds fatigue. A hard lower-body session can affect how your legs feel, how well you move, and how ready you are for your next run. That’s where the scheduling comes in.
The Golden Rule: Keep Easy Days Easy and Hard Days Hard
For most runners, the best days to lift are non-run days, or hard run days after the run.
That usually means lifting after:
- Speedwork
- Hill repeats
- Tempo runs
- Threshold sessions
- Race-pace workouts
This approach consolidates training stress. Instead of spreading fatigue across the entire week, you have harder days that create a clear training stimulus, followed by days that actually support recovery.
Easy run days should stay easy. Long run days should be protected. True rest days are a vital part of a training program, and should not include strength training.
Should You Run First or Lift First?
If running performance is the priority, run first.
Your harder run sessions depend on good mechanics, coordination, pacing, and feeling fresh going into them. If you lift before intervals, hills, or tempo work, your legs may be strong in the gym but less prepared to run well.
A practical order is:
- Complete the quality run.
- Recover for a few hours if your schedule allows.
- Lift later the same day.
Separating the run and lift by several hours can help improve session quality. That might look like running in the morning or at lunch, and lifting after work.
If your schedule only allows back-to-back training, run first, refuel, then lift. Keep the strength session focused and avoid adding unnecessary volume.
How to Build a Strength Training Schedule for Runners
These examples are templates. The right schedule depends on how many days you run, your injury history, your race goals, your life schedule, and how well you recover.
The principle stays the same: strength training goes on hard days, not easy run days or long run days.
If You Run 3 Days Per Week
If you run three days per week, you may have one workout day, one easy run, and one long run. In that case, place one strength session after the workout run and the second as its own hard training day.
| Day | Training |
|---|---|
| Monday | Strength |
| Tuesday | Easy run |
| Wednesday | Rest ± mobility |
| Thursday | Workout run, then strength |
| Friday | Rest |
| Saturday | Easy walk ± mobility |
| Sunday | Long run |
This works well because the easy run stays easy, the long run is protected, and strength training has defined space in the week.
If Monday strength leaves you sore for Tuesday’s easy run, reduce the volume, adjust the exercise selection, or move the easy run to Wednesday.
If You Run 4 Days Per Week
With four runs per week, you can often place two strength sessions after quality or moderate run days.
| Day | Training |
|---|---|
| Monday | Rest ± mobility |
| Tuesday | Speedwork or hills, then strength |
| Wednesday | Easy run |
| Thursday | Rest |
| Friday | Tempo, threshold, or steady workout, then strength |
| Saturday | Easy run |
| Sunday | Long run |
This layout keeps the harder sessions together and gives your body a clearer recovery pattern.
Friday strength should be programmed carefully if your long run is Sunday. It should be challenging enough to maintain or build strength, but not so aggressive that it leaves you heavy-legged for the long run.
If You Run 5 to 6 Days Per Week
When you run five or six days per week, you have fewer open spaces, making the golden rule even more important.
| Day | Training |
|---|---|
| Monday | Rest or very easy recovery |
| Tuesday | Speedwork or hills, then strength |
| Wednesday | Easy run |
| Thursday | Tempo or threshold run, then strength |
| Friday | Easy run |
| Saturday | Easy run |
| Sunday | Long run |
For higher-frequency runners, strength sessions usually need to be efficient and well-targeted. Two focused sessions are often more useful than three sessions that leave you under-recovered.
A runner-specific strength session doesn’t need to have you in the gym for 2 hours. The right exercises, intensity, and progression is more important than how long it takes you.
Why Easy Run Days Should Stay Easy
Easy runs are supposed to support aerobic development without creating a large recovery cost.
If you add heavy lower-body strength after an easy run, the day is no longer easy. That may seem fine once in a while, but over time it can reduce the number of true recovery opportunities in your week.
This is a common reason runners end up feeling fatigued even when the training plan looks reasonable on paper. The runs are labelled easy, but the total day is not.
Keep easy days easy so your body can absorb the harder work.
Why Long Run Days Usually Aren’t Strength Days
For most runners, long run day should stay focused on the long run.
A long run creates a large endurance and tissue-loading stimulus. Adding lower-body strength afterward can increase fatigue and make it harder to recover for the next week of training.
This is especially important during:
- Half marathon or marathon builds
- Higher-mileage blocks
- Return-to-run phases
- Injury-prone periods
- Weeks with poor sleep or higher life stress
If you are training for a race, your long run is already one of the most important sessions of the week. Protect it, recover from it, and avoid stacking a second major lower-body stimulus on top.
What If Your Schedule Is Tight?
A few options:
- Lift after your hardest run, even if the session needs to be shorter.
- Use one full-body strength session and one shorter accessory session.
- Reduce lifting volume during high-mileage weeks.
- Keep heavy lower-body strength away from the day before your long run.
- Avoid adding strength to easy run days whenever possible.
If the only available option is an easy run day, treat that day as a harder day and adjust the rest of the week accordingly. That may mean making the next day a rest day or reducing the intensity of the next workout.
How Hard Should Strength Training Be?
Strength training should be challenging enough to create adaptation, but not so aggressive that it compromises your running.
For many runners, two to three strength sessions per week is a good target. During base training, there may be room for more progression. During peak race training, strength often shifts toward maintenance.
A runner-focused program usually includes:
- Squat or split squat pattern
- Hip hinge pattern
- Step-up or lunge pattern
- Calf and foot strength
- Trunk and pelvic control
- Plyometrics when appropriate
- Single-leg control
You shouldn’t feel wrecked after every lift. Some soreness can happen when you start or progress strength work, but ongoing soreness that changes your running form is a sign the plan needs adjusting.
[Related: How Heavy Should Runners Lift? A Simple Guide Using Reps and Effort]
How to Adjust Lifting During Race Builds
Your strength schedule should change as your run training changes.
In a base phase, you may have more room to lift heavier, build new skills, and progress strength consistently. As race-specific training builds, your strength work should still support the demands of running, with adjustments based on mileage, workout intensity, fatigue, and recovery. In peak weeks, the goal is often to maintain strength and tissue capacity without adding unnecessary fatigue.
You want to taper your strength training the same as your runs. You can skip your strength workouts during race week to optimise your taper.
Signs Your Lift Schedule Needs Adjusting
Your lifting schedule may need a change if:
- Your easy runs no longer feel easy.
- Your legs feel heavy for every workout.
- You’re sore for more than 48 hours after lifting.
- Your long run quality is dropping.
- You’re missing target paces because your legs feel flat.
- You’re sleeping poorly or feeling run down.
- Small aches are becoming more persistent.
These signs don’t mean strength training is wrong for you. But the timing, volume, exercise selection, or progression may need to be adjusted.
The Bottom Line
The best strength training schedule for runners places lifting on harder run days, protects easy days, and keeps long run days focused on the long run.
Keep easy days easy. Keep hard days hard. Protect the long run. Give recovery a clear role in the week.
Strength training should help you run stronger, recover better, and train more consistently. When it’s placed well, it becomes part of the system rather than another stressor competing for space.
Key Takeaways
- The golden rule is to keep easy days easy and hard days hard.
- For most runners, the best time to lift is after a quality run, not on an easy run day.
- Avoid lifting on long run days.
- If running performance is the priority, run before lifting.
- Two to three strength sessions per week are enough for many runners.
- During peak race training, strength work often shifts from building to maintaining.
- If lifting is making every run feel heavy, adjust timing, volume, or exercise selection.
Need a strength plan that fits around your run schedule?
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Frequently Asked Questions About The Best Days to Lift with Your Run Schedule
The best days for runners to lift are usually non-run days, and hard run days, after speedwork, hills, tempo runs, or other quality sessions. This keeps easy days easy and gives your body clearer recovery time.
In most cases, no. Easy run days should stay easy. Adding lower-body strength to an easy run day can turn it into another hard day and reduce recovery across the week.
Nope, long run days should not be strength days. The long run already creates a large training load, so adding lower-body lifting afterward can interfere with recovery.
If running is the priority, run first. Complete your quality run while your legs are fresh, then lift later the same day if possible.
Two to three strength sessions per week is the recommendation. Two focussed sessions, and one shorter session of accessory exercises works well.
References
Balsalobre-Fernández, C., Santos-Concejero, J., & Grivas, G. V. (2016). Effects of Strength Training on Running Economy in Highly Trained Runners: A Systematic Review With Meta-Analysis of Controlled Trials. Journal of strength and conditioning research, 30(8), 2361–2368. https://doi.org/10.1519/JSC.0000000000001316
Doma, K., Deakin, G. B., & Bentley, D. J. (2017). Implications of Impaired Endurance Performance following Single Bouts of Resistance Training: An Alternate Concurrent Training Perspective. Sports medicine (Auckland, N.Z.), 47(11), 2187–2200. https://doi.org/10.1007/s40279-017-0758-3
Eihara, Y., Takao, K., Sugiyama, T., Maeo, S., Terada, M., Kanehisa, H., & Isaka, T. (2022). Heavy Resistance Training Versus Plyometric Training for Improving Running Economy and Running Time Trial Performance: A Systematic Review and Meta-analysis. Sports medicine – open, 8(1), 138. https://doi.org/10.1186/s40798-022-00511-1
Petré, H., Hemmingsson, E., Rosdahl, H., & Psilander, N. (2021). Development of Maximal Dynamic Strength During Concurrent Resistance and Endurance Training in Untrained, Moderately Trained, and Trained Individuals: A Systematic Review and Meta-analysis. Sports medicine (Auckland, N.Z.), 51(5), 991–1010. https://doi.org/10.1007/s40279-021-01426-9
Llanos-Lagos, C., Ramirez-Campillo, R., Moran, J., & Sáez de Villarreal, E. (2024). Effect of Strength Training Programs in Middle- and Long-Distance Runners’ Economy at Different Running Speeds: A Systematic Review with Meta-analysis. Sports medicine (Auckland, N.Z.), 54(4), 895–932. https://doi.org/10.1007/s40279-023-01978-y
