Is Watch Data Accurate | V02 MAX Test Before a Marathon

In today's video, we had the awesome opportunity to do a V02 max test at a University lab. Seeing that Boston is in just 2 weeks, it seems like the perfect time to see what my numbers are! The question is, does my Coros Pace 2 give me and accurate reading on what my V02 max actually is? Let's find out!
Special Shoutout to Braeden for letting me take the test in the lab and educating me more on V02 max and other fitness metrics!
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[@wardfreeman7533]

I am 66 y/o. Last year over a six month period I did three of these tests at the University of Michigan (as part of a study). The treadmill was not as wide or long as the one you used, there blood draws DURING the run (YIKES!), and multiple electrodes (with a 1.5# collection device firmly strapped to the midsection). My latest version IPhone predicted 53-54s. The numbers from the tests were 57.4 to 59.2. I am pretty well trained and running the USATF Masters Nationals 1/2M the day before Boston. I am not a firm believer that the VO2 numbers are good predictor of performance however. Hope you do well in Boston and look forward to your next vid drop.

[@taylorbannert2441]

Looking good Elijah! Kick butt in Boston.😊

[@hermitbamboo1606]

first! great video Elijah, exactly the content were curious

[@ChrisRodriquez]

Dude, that was cool. You're gonna kill it at Boston.

[@hopedalrymple1886]

I was so geeked seeing you on my long run at the back bay last Sunday! Go run your heart out in Boston!

[@elijahorr]

Oh hahaha that was you! Thanks for saying hi :)

[@dale1332]

You did use a COSMED metabolic cart for the test and they are quite poor at dealing with high VO2s from athletes (over-estimates). Try do another one using a different metabolic cart at the end of your next marathon prep, I recommend using a MOXUS if you can.

[@FatCatHitman]

Do you incorporate pull ups in your strength/core routine? I have lately it’s been really helping my stability and endurance I think. I’m just asking because your back looks pretty muscular

[@JohnnyMelwood]

That 4:01 back shot was hardcore. Nice.

[@elijahorr]

All those pullups paying off haha

[@Dannsandiego]

Interesting. Looking fit, Elijah 🤙🏼

[@elijahorr]

Thanks man!

[@cs128cb4]

this is so cool!

[@jonathansandberg5267]

I’m also running Boston in two weeks and was offered the opportunity to do a VO2Max test. I’m feeling pretty fit and am curious to find out this data but on second thought, it seems like a pretty grueling test and doesn’t really fit in my tapering plan. I think I’ll wait until after I’ve recovered from Boston to try out it out.

[@hmunoz314]

Update: I did a Vo2Max last week for my Exercise Science lab class. Turns out there are few different procedures for this test. Mine was the "Bruce" model; the intensity increases every stage, so does the incline. My Coros said that mine was at 63. For the lab test, I got 68.9 (M | 22, Ultra runner).

[@giogarcia444]

interesting! looking fit, elijah! 🤙

[@elijahorr]

Big Giooooo

[@patonbike]

Always curious about my vo2max. As a hill runner, I would do horrible on a test that increases speed and not gradient. Maybe less of a factor here for you if you've got the legs for a couple 4:30/miles.

[@WildOutdoorLiving]

Im about to get a Garmin watch and Im curious what it estimates. As long as it’s trending consistently the actual number really doesn’t matter. I’ve tested my VO2Max in the lab a couple of times. Highest I ever tested was 72.5 on the bike. We used to use sub maximal tests to estimate students fitness, they are popular in the clinical setting as they are much safer than true VO2max tests. You essentially track their heart rate up through zone 2 or 3 depending on the protocol, enter the results into a formula and get the estimated max. They seemed to work well for the general population but they fall apart for anyone with a true VO2Max over about 60-65. The calculations just weren’t able to account for that. The watches are looking at much more data over a longer period of time so it makes sense they would get so close, still impressive.

[@SVcycling]

My Garmin estimate was off by quite a bit, got to do a vo2max test for a study. Wasn't running, but cycling and I use a power meter + hr chest strap. Garmin estimated 69, lab test was 80.5.

[@joshuafelten6967]

80.5 is incredible. Congratulations

[@tritondriver1]

Garmin was pretty close to my V02 Max study. Then it depends on the day -when u tap out.

[@elijahorr]

Do Ya'll take your watch data at face value or with a grain of salt?

[@Ultimaus]

I believe in it like it's the word of law

[@wardfreeman7533]

More like boulder....

[@aarmcintyre]

More like an atom

[@masheeniblick]

Nice increase from the 44 in your last test 😉

[@elijahorr]

Still salty about the first one bahaha

[@ShervinShares]

you're a beast

[@vnvtraining7203]

No chest strap Heat Rate Monitor ?

[@hmunoz314]

Nice one dude. I've always wanted to do one. By chance is the study still available to participate?

[@elijahorr]

As far as I know he is! Are you local in LB area?

[@kly1026]

I’m in SoCal so I’d love to be part of the test!

[@rainy_days]

Hey if he needs more people for his study I'm down to go try it out! :D

[@DHRbarnett]

Why are people all holding Lav mics all of a sudden? Love the video and the comparison but clip your mic to your shirt and the audio editing process will be so much easier cause you wont have to keep cutting all the plocive pops

[@cadenashworth1753]

I don’t understand what he said about your 2 mile being around 9mins if your top end speed was 4:34.. if you could hold that top end speed for 2 miles it’d be 9:08, but that’s top end and holding that for that long is rough. explanation?

[@GyulaJentetics]

Woo 👀👍👍👍

[@Stringdude86]

I typically take Garmins VO2 and subtract 2-3 and it seems to be pretty close.

[@elijahorr]

Yeah, when I had a 235 I felt like the readings it gave me were a bit on the high side

[@gerardcurtis3911]

Garmin seems to always show you in a better light than reality. My garmin estimate 10K is 40 mins. I can't event do 5k at that pace

[@menjackim]

my Garmin shows 61 vo2max, lab test 66 vo2max. I wear HRM strap on every training.

[@biobauer8]

the oxygen tube seems a bit too small

[@user-dx8zk5op2c]

Curious, how tall are you ? Elijah

[@joaquinwieczorek1962]

9-minute 2-mile shape, Jeez mate, you should really consider jumping in some track races after Boston.

[@thesamuellanham]

my watch said i was at 67 and i tested 82 on a treadmill test. garmin forerunner 245 must not be very accurate

[@onion3974]

it says i can run a 5k in 1440, but i can't go at that pace for 2k

[@connorkluiversrunning9847]

Defenitely take my watch data with a huge grain of salt. Did a VO2Max, outcome was 78. Watch still says my VO2Max is 68...

[@iode9999]

Mine was pretty close, with 5 ml/kg/min of the real value

[@minnesotaballer946]

My garmin says mine is 62 and my easy pace is not averaging sub 7mins lol so they are inaccurate I would say. My marathon race prediction also says my marathon would be 3:12:00

[@WildOutdoorLiving]

VO2max is not a reliable indicator of speed all by itself. Your natural running economy and specific running fitness plays a big role in speed. It’s also really important that your weight is entered into the watch correctly as that’s part of the calculation. (Volume of Oxygen per kilogram of body weight per minute)

[@matthiassventoest6800]

grain of salt.., I know it’s a just a ballpark estimate, and that’s all I take it for. You have to pay money for accuracy (or be part of a study) and most ppl pay between 200-600/700 for a watch.., I don’t see it.

[@keneticchannel]

Good to know my $200 watch is pretty accurate when it comes to vO2 max readings! 🤣

[@ag-bk5wf]

Of course there not...all watches metrics are estimates. I do about 5 to 10% more to account any false over estimates.

[@jamesromano3288]

Papi,,,,,,do you work ?

[@randomark9161]

why is ur resting heart rate so high? shouldnt it be in the low 30s?

[@SizzlingBrisket]

Go Chargers

[@Hhhhhsgaga]

Maybe for next time you take the hat off instead of the shirt

[@darringrey4329]

Hereditary could you explain, does that mean your parents/ race??? Nah t don't buy that at all , how Olympic gold medalist , have there been also have there children win gold ???? Yip silence

[@slowloris1847]

Or instead... just look up the study that he cites with his statement, which has more validity than your 'reckon'. Plenty of families involved in high level sports (not sure he even mentioned the olympics...).