Should runners lift heavy? What the meta-analyses say

Plenty of runners lift. Fewer lift heavy, partly from fear of gaining weight or feeling stiff on the road. The research on middle and long distance runners points the other way: the heavier methods are the ones with the clearest benefit.

Performance: time trials and time to exhaustion

A 2024 meta-analysis in Sports Medicine compared strength methods in middle and long distance runners, from moderately to highly trained, over programs of 6 to 40 weeks.

• High load training (80 percent of a one rep max or more) had a moderate effect on running performance.
• Combining two or more methods, such as heavy lifting plus plyometrics, had a large effect.
• Plyometric training alone did not reach significance.
• None of the methods changed VO2max or other physiological markers much, which suggests the gains come from how efficiently and forcefully you run, not from a bigger engine.

The authors rated the certainty of evidence as very low to moderate, so treat the sizes as estimates.

Running economy

Running economy is how much energy you spend at a given pace. A companion 2024 review found small improvements from high load training and moderate improvements from combined methods. Plyometrics helped at slower speeds (12 km/h or less), while heavy lifting helped more at higher speeds and in runners with a higher VO2max. Submaximal loads and isometric work did not improve economy compared with controls.

A 2022 review in Sports Medicine Open reached a similar conclusion: heavy resistance training gave a small improvement in economy and time trial performance, larger than plyometrics alone, with near maximal loads (90 percent of one rep max or more) and longer programs of 10 to 14 weeks doing best.

Putting it into practice

1. Lift heavy, not long. Low rep sets of squats, deadlift variations, lunges and calf raises fit the high load profile. A light circuit with many reps is closer to what the reviews found less useful.
2. Give it a full block. The better results came from programs of ten weeks or more. Two sessions a week is a common, sustainable dose.
3. Add jumps once lifting is routine. Combined methods beat any single method, so a few sets of jumps or bounds before your main lift is a reasonable next step.
4. Place it around your key runs. Lifting heavy the day before a tempo or long run makes the run worse. The day of an easy run, or after your hard run, usually works better.
5. Pull lifting back during taper. Keep some intensity but cut volume so your legs are fresh on race day.

Where Zurge fits

Zurge was built for exactly this mix. Pick a race from 5K to marathon and a lifting split, and it writes one week with both, keeping heavy legs away from quality runs. Run paces come from a recent race or hard effort rather than your goal time, and lifting loads go up when you complete your sets. If you are coming from a run-only app, see how Zurge compares with Runna.