Sore legs two days after a hard session are the reason most athletes first try an ice bath. Delayed onset muscle soreness, or DOMS, is common, uncomfortable, and hard to shift.
This article covers what the trials say about cold water and that soreness. It sits under our overview of cold plunge benefits. It is general information, not medical advice.
Short answer: cold water reduced soreness compared with doing nothing, in a Cochrane review of 17 small, low-quality trials. A 2016 meta-analysis found the best results at 11 to 15°C for 11 to 15 minutes. Cold water didn’t beat a warm bath or a contrast bath. At home, Cleveland Clinic’s five-minute limit still applies.
The Cochrane review
The 2012 Cochrane review pooled trials comparing cold water after exercise with rest or no treatment. Seventeen trials met its criteria, with 366 people in total.
Soreness was lower with cold water at every follow-up: 24, 48, 72, and 96 hours. The authors’ conclusion: “There was some evidence that cold-water immersion reduces delayed onset muscle soreness after exercise compared with passive interventions involving rest or no intervention.”
The limits are in the same abstract. “Study quality was low,” the temperatures and durations varied, and most trials “failed to report active surveillance of pre-defined adverse events.”
Cold against the alternatives
| Compared with | What the Cochrane review found |
|---|---|
| Resting, no treatment | Less soreness with cold water |
| Contrast immersion (hot and cold) | “No evidence of differences” in pain |
| Warm water immersion | Similar: no difference in pain |
| Active recovery, compression | One trial each, too few to judge |
Here’s what the sales page won’t tell you. The evidence says cold beats nothing. It doesn’t say cold beats a warm bath.
Exploratory analyses found larger effects in studies with running-based exercise and in crossover designs.
Temperature and time
A 2016 meta-analysis in Sports Medicine tried to find the best dose. It pooled 9 randomized trials comparing cold water with passive recovery.
Water between 10 and 15°C gave the best results, and so did immersions of 10 to 15 minutes. The authors summarize the best dose as “a water temperature of between 11 and 15 °C and an immersion time of 11-15 min,” and call the benefit “slightly better than passive recovery.”
That temperature, about 52 to 59°F, sits inside Cleveland Clinic’s beginner range of 50 to 59°F. The time doesn’t. Cleveland Clinic says a home session “should never go longer than five minutes.”
My rule of thumb: borrow the temperature from the research and the time limit from the hospital. The trials ran under supervision; your tub doesn’t.
Who should check with a doctor first
Cleveland Clinic lists heart disease, high blood pressure, diabetes, pregnancy, peripheral neuropathy, poor circulation, venous stasis, and cold agglutinin disease. If any apply, talk to your healthcare provider first.
If muscle growth matters to you, timing matters too. Cleveland Clinic says the cold “can also silence the muscle-building signals,” especially within four hours of a strength workout.
Ice or a chiller for this
For occasional use after a race or a long session, an ice bath does the job. The Cold Pod is $119.99, and a floating thermometer keeps you in the tested range: the Ice Barrel thermometer is $17.99.
For several sessions a week, a chiller tub holds the temperature for you. The Nordic Wave Viking Premier goes down to 35°F, well below what you need here.
Bottom line: cold water eases soreness a little compared with resting, and a warm bath may do about as well. Use 50 to 59°F, keep it under five minutes at home, and see the cold plunge benefits overview linked above for the other claims.
Sources
- Bleakley C, et al., “Cold-water immersion (cryotherapy) for preventing and treating muscle soreness after exercise,” Cochrane Database of Systematic Reviews, 2012 (abstract): pubmed.ncbi.nlm.nih.gov
- Machado AF, et al., “Can Water Temperature and Immersion Time Influence the Effect of Cold Water Immersion on Muscle Soreness? A Systematic Review and Meta-Analysis,” Sports Medicine, 2016 (abstract): pubmed.ncbi.nlm.nih.gov
- Cleveland Clinic, “Are ‘Cold Plunge’ Ice Baths Good for You?” May 8, 2026: health.clevelandclinic.org
- The Cold Pod, Ice Barrel thermometer, and Nordic Wave Viking Premier listings, checked September 2026