Do I need either one to recover well?

No. Sleep, protein, easy movement, and a training week that includes genuinely light days will outperform every tub and every infrared panel in the city. Heat and cold are pleasant additions once the basics are handled. If you want a coach to build the basics with you, start with a movement assessment .

Sauna vs Cold Plunge for Recovery

Sauna vs Cold Plunge for Recovery from CrossFit BC. When to use heat, when to use cold, and when both are a waste of a good rest day. A Vancouver coach's guide to sauna, cold plunge and ice for sore muscles.

Written by:: CrossFit BC Coaching Team
Section:: Recovery
Reading time:: 9 min
Topics:: recovery, sauna, cold plunge, sore muscles, heat therapy, Vancouver
Published:: Saturday, August 15, 2026
Last updated:: Sunday, August 16, 2026

Sauna or Cold Plunge? A Coach's Guide to Heat, Cold and Recovery

This article is part of the CrossFit BC journal, written by the coaching staff who run our classes in Olympic Village, Vancouver. We publish what we teach on the floor: training decisions, recovery, nutrition, and the honest tradeoffs behind them.

Common questions

Should I use heat or ice for sore muscles?

For ordinary delayed-onset soreness two days after a hard session, heat is the better call. It raises local blood flow and makes tissue more pliable, which is what stiff, sore muscles actually need. Save cold for acute swelling in the first 24 to 48 hours after an injury or for a fast turnaround between competition efforts.

Does a cold plunge block muscle growth?

It can blunt it if the timing is wrong. Regularly plunging within an hour or two of strength training dampens the inflammatory signalling that drives adaptation, and the research on long-term hypertrophy and strength consistently shows a smaller result than training alone. If you love the plunge, put it on rest days or several hours away from lifting.

How long should a sauna session be?

Most people do well with 15 to 20 minutes at a comfortable temperature, two to four times a week, with water before and after. Longer is not better. If you feel lightheaded, get out. Sauna is heat stress, and stress still needs to fit inside your weekly recovery budget.