
*Disclaimer*: This is all for general information and entertainment purposes only. I am not your doctor, nutritionist, dietician, physical/physio therapist, psychologist, personal AI, or any other medical professional.
If you want to go further with this information, you should consult a medical professional, even for one session, to help sort out any specific needs that you may have.
Running is very individual, so experiment with everything I say and don’t take anything as hard truth for you, even if science backed.
There’s a training tool that bumps your VO2 max up three points when you combine it with your running.
It builds blood plasma volume the same way altitude training does, without moving to the Colorado Rockies or sleeping in an altitude tent. And it triggers your body to produce EPO, the same hormone Lance Armstrong was injecting illegally for years. Except your body makes it naturally!
And almost no runner I know is doing this.
Listen to audio podcast below on your next run or watch the video above to learn more
What You’ll Learn
- The exact sauna protocol I’ve been using for the last 10 years that’s giving me crazy gains
- Three issues with sauna that runners don’t know about when they start
- The live longer and better bonus that makes this more than a performance tool

How Sauna Actually Makes You a Faster Runner
Your kidneys are producing EPO right now, endogenously. Not much. But every time you push hard in serious heat that number climbs. And when EPO goes up, your body makes more red blood cells. More red blood cells means more oxygen getting to your legs when it actually matters. Lance Armstrong was injecting synthetic EPO exogenously for years to get exactly that effect. You can trigger a similar response by sitting in a very hot room until things get uncomfortable.
That’s not recovery, that’s actually training.
When your core temperature climbs in a dry traditional Finnish style sauna (I’ll talk about the other saunas and how effective they are shortly), but yeah, when you core temp goes up, your body starts producing more blood plasma volume on top of that which is blood pushing to your muscles when you run and at race pace. Which is a lower perceived effort at the same speed. That’s the same adaptation altitude training is chasing, just without the two-week trip living at the top of a mountain or sleeping in an altitude tent in your bedroom for 10-12 hours a day.
A 2007 study published in the Journal of Science and Medicine in Sport took competitive male runners and had them do 30-minute sauna sessions right after their workouts. After three weeks the runners’ run time to exhaustion went up 32%. With a 7% bump in plasma volume. That’s a serious number. That’s the difference between hitting your goal time and standing at the finish line doing the math on what went wrong.
Now you know why sauna makes you a faster runner, but what does the actual protocol look like?
“Sauna is an easier way to get the same adaptation altitude training is chasing.”
My Science-Backed Sauna Post-Run Protocol
Here’s what actually works.
Get in after your workout, not before. You’re already warm, sweaty and dehydrated, and that’s exactly the state that kicks off the adaptation.
Start with 5-7 minutes twice a week after an easy run.
Then gradually build up a few minutes every week until you can get to 15-20 minutes. 20 being the ideal, at least three if not four times a week. You don’t need to be a hero in there and almost pass out. I’ve done that and the risk is not worth the reward. You just need to be consistent. Yes, just like a 1% better each week runner would.
Oh, another thing is to start at the bottom of the sauna if there are levels and work your way up. It gets hotter and more humid the higher up you are and further away from the rocks you are in the sauna. That’s pro level; give me 1-2 months before you go there.
And if you want, you can buy one of those wool sauna hats that helps protect your head from frying so your brain doesn’t think you’re on fire and panics and makes you get out before your core temperature gets hot enough.
Three Things to Remember Before You Sauna
Issue 1: Know thyself. You need to be able to tolerate heat.
Some people HATE heat and love cold. Others love heat and hate cold (me!). If you truly hate heat, try 5-7 minutes in a proper Finnish dry sauna and see how much you hate it. Some people actually end up liking it once they’re in. Others keep hating it.
Issue 2: Dehydration is real.
You’re going in already depleted from training. Load up on electrolytes (sodium first, then magnesium and potassium) the night before and before your workout, not just plain water. Water alone after a hard session can actually make things worse because it flushes out the salt you just lost. Sip after you get out. Don’t chug a litre the second you open the door. Slow hydration is the trick here.
Issue 3: Don’t go in fasted after a long run.
I’ve done this. It’s rough. Eat some carbs and protein if you can toward the middle or end of your run, then go in. Your body needs something in the tank or you’ll do more damage than good.
That’s the basic protocol.
What do you do in the sauna?
Chill out. Enjoy your chill time, just zone out and be mindful or meditate. Stretch gently, self massage, etc. Lots to do though if sitting still isn’t your thing.
Just don’t take your phone in and scroll because it will over heat and just shut off. This is your one chance in the day to sit still and think. Use it.
So if a hot room can do all that, why do most runners still skip it? One word: confusion. Because not all saunas are built the same.
Infrared vs Steam vs Finnish Dry Sauna
Now I have to talk about infrared and steam saunas because someone in the comments always asks.
Infrared saunas are like sitting next to a space heater set to “polite.” I’ve tried them. I don’t rate them. The temperature barely scratches 70°C, 160°F, on a good day and the evidence for the performance claims is thin. I know people swear by them and fair enough, but I came there to actually sweat. Like properly sweat. The kind where you’ve lost track of whether five minutes have passed or twenty and the wooden bench under you is covered in pools of your sweat.
That’s when adaptation happens. When you’re uncomfortable.
VO2 max intervals aren’t comfortable. Strength training isn’t comfortable. A real sauna isn’t supposed to be comfortable either. Hard life now, easy life later. That’s the whole deal.
Steam saunas trick you. High humidity raises the dew point and makes lower temperatures feel extremely hot to your body and brain. But steam saunas only get to about 60°C, 140°F, before the steam will legit burn your skin. Same problem as infrared. You feeling hot doesn’t mean your core temperature is rising.
From all my research, you just need a traditional Finnish dry sauna. 80 to 90°C, which is roughly 175 to 195°F. If it’s not making you question your choices within ten minutes, it’s not hot enough.
No sauna at your gym? A 2025 study had trained runners do 45 minutes in a 104°F / 40°C hot bath, five times a week, right after their run. Their VO2 max went up 4% in five weeks. So if you can’t get to a sauna, fill the tub and get in.
But there’s one more angle that a lot of runners ask about once they start adding heat. What happens when you pair sauna with cold?
“You don’t always need more miles to get fitter. Sometimes you need more heat.”
What About Hot & Cold Contrast Therapy?
I love doing hot and cold cycling after hard sessions and it’s one of the best things I’ve added for my brain and my mood.
My best protocol for me is this:
- One day a week I do twenty minutes hot, then take a 2-3 minute break outside the sauna (but I don’t go into the cold plunge just yet)
- Back into the hot sauna for 10-12 minutes, or however much more my body can handle since my core temperature is staying elevated
- Another 2-3 minute break in normal temperature outside the sauna
- Another 5-7 minutes in the sauna, or as long as I can handle (at this point I’m quite fatigued)
- Cold shower, then I get into the cold plunge for two to three minutes
- Then back in hot for another 5-10 minutes
Something happens in that transition that just clears everything. My head is sharper, my body feels lighter, and if I haven’t done it in a week or two it’s like doing a legit drug for the first time.
If I’m limited on time I’ll just do 15-20 minutes hot, cold plunge, then another 3-5 minutes hot.
So is this actually helping my performance? I don’t know yet. There’s a real question about whether the cold plunge after raising your core temp is partially undoing the heat adaptation. That’s why I have one day a week where I try to do hot, hot, hot, then cold then hot.
I haven’t found clean research either way. Maybe one day they’ll do a study on the benefits of contrast therapy. Right now I’m doing it because it makes me feel incredible and I’m watching the data.
Side note: I hate cold plunge on its own. The only time I can handle it is after I’ve been in the heat long enough that cold actually feels like relief. On its own it’s just punishment with good PR.
So that’s the performance side. Here’s the part that has nothing to do with race times and everything to do with living a longer and better life?
The Live Long and Healthy Bonus
This is where sauna combined with running gets properly interesting.
There’s a Finnish cohort study, the Kuopio study, led by Dr. Jari Laukkanen, published in JAMA Internal Medicine in 2015. It tracked over 2,300 middle-aged men for an average of 20 years. People who used the sauna four to seven times a week were around 40% less likely to die from any cause during the study compared to people who only went once a week.
Rhonda Patrick. Peter Attia. Andrew Huberman. All three have done deep dives on this data and landed on the same protocol. 20 minutes. Multiple times a week. Traditional dry heat.
That’s the same protocol that raises your VO2 max.
So you’re doing one thing and cashing out twice. Faster running and a longer life from the same 20 minutes of sitting in a hot room.
Most performance tools cost you something down the line. Some extra load, some fatigue to manage. Most longevity tools don’t touch your race time. Sauna is the rare thing that pays you both ways at once.
One honest caveat: the longevity data is observational. Correlation isn’t causation. Finnish people who sauna four to seven times a week probably have other healthy habits going on too.
Links & Learnings
- 📈 Get Your Free Sauna Protocol & Race Day Toolkit Here: https://dlakecreates.com/racetoolkitfree
- 🎧 Listen, Read and Learn More Here: https://dlakecreates.com/sauna2
- 17% Faster Race Day Toolkit Here: https://dlakecreates.com/racetoolkit
- Study on How Sauna Actually Makes You a Faster Runner: https://linkinghub.elsevier.com/retrieve/pii/S1440244006001393
- The Finnish Sauna Study Showing 43% People Live Longer: https://pubmed.ncbi.nlm.nih.gov/25705824/
- Hot Bath Works As Good as Sauna: https://substack.com/home/post/p-181415432
- Instagram – https://instagram.com/dlakecreates
- Strava – https://www.strava.com/athletes/120507


