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I am looking to start cycling.

Can anyone tell me how I can equate speeds on a bike to speeds on foot with respect to how much of a workout it gives me.

I don't have a heart rate monitor but i have a garmin so i can calculate my speed and distance.

What would be the equivalent of say 6/7/8 min miling on a bike ?

Thanks in advance.

Can anyone tell me how I can equate speeds on a bike to speeds on foot with respect to how much of a workout it gives me.

I don't have a heart rate monitor but i have a garmin so i can calculate my speed and distance.

What would be the equivalent of say 6/7/8 min miling on a bike ?

Thanks in advance.

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## Comments

I'd go by your perceived exertion level.

Its almost impossible to compare one sport with another.

i have a little rule of thumb that i go about four times as far on a bike for the same effort as running

ie

a 5k run is a 20k bike ride approx in terms of effort

If you want a target do evens (20mph) for 10 miles - i.e. a 30 minute 10. That's normally the target for an absolute beginner. A reasonable club cyclist would be maybe 25 minutes for a 10 and a top club cyclist probably 20 minutes - all a bit approximate though and some people can road race but not time trial very well etc.

fookin ell....

I'd better put my stabilisers back on then and get my buzz lightyear helmet out!

At the moment I can't imagine riding at 20mph for 30 mins though. Did 17mph for 30 mins during my long ride at the weekend though i think.

NB - this is an extrapolation from a slightly TT course I do now and the predictions of the cycle ponces in the club who think I should be quicker based on their TT times. Of course it's a load of rubbish as I've only started this year. I do hope to cruise past some bike ponces on their TT bikes early next year though.

But im just to slow

(

So a 1 hour run covering 10 miles is probably equivalent to 23.3 miles on the bike in the same time.

Applying it to elites it seems to work well.

25 mile TT in 50 minutes would be equivalent to 10.7 miles in 50 minutes (or 10 miles in 46.36)

For a beginner cyclist 20mph for an hour would be very good. This is about 7 minute miling for running.

Grumps - your 1:3 is based on comparing the same distance. To get a truer comparison you need to compare DURATION. In any case, your 23.30 10mile TT is equivalent to a 27.30 5 miler. So you are quite a bit better as a cyclist than runner.

eg punchy says a 100 mile ride in 5 hours is the same as a 4 hour marathon. personally i would have trouble running a marathon that slowly (except in an ironman, of course!!) but i'd have to push moderately to maintain 20mph on the bike for 5 hours. So for me, I guess that a 100 mile ride in 5 hours would be the same as a 3:20 marathon.

it depends which you are better at. no point trying to compare.

;0)