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shelee
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 Posted: 11/30/03 - 12:34 Post subject: bike and running speed
Does anyone know if there is a chart that shows a comparison between biking speed and running speed? For example, if I'm biking at 20 MPH for a set amount of miles what speed should I be able to equivenlently run at for the same set amount of miles?
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Cappy
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Posted: 11/30/03 - 12:36 Post subject:
The ratio for bike mileage to running mileage is 4:1. For every four miles of riding, it equals one mile of running. Not sure if that equals out on actual speed though
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shelee
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Posted: 11/30/03 - 12:44 Post subject:
| Cappy wrote: | | The ratio for bike mileage to running mileage is 4:1. For every four miles of riding, it equals one mile of running. Not sure if that equals out on actual speed though |
as far as ratios for distance goes, i always go with the 3:1. i'm a better conditioned runner than biker and the effort is that great for biking still for me...at least it seems to be. if my muscles were better balanced, i think i'd use the other ratio, but at this point the 3:1 seems like a better ratio for me. 
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purple hayes
Frightened Inmate #2
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Posted: 11/30/03 - 15:20 Post subject:
I've never seen a chart like that. I think it would be too hard to factor in the hills. Hills on a bike, to me, are much different than hills on foot.
I'll post my numbers and maybe if enough of us do it, you'll be able to get an idea of what you're looking for.
My best 5K time = 19:43 (6:30 pace)
In the few tri/duathlons I've done, I've been able to avg. about 20.? MPH. The exception was one really hilly course and I think I avgd. +/-17 MPH.
On training rides, my speed drops more because I have to stop for traffic. I'd consider my cycling and running to be pretty evenly matched too.
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jrjo
Gone Fishin
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Posted: 11/30/03 - 15:37 Post subject:
As much as I'm a caveman when it comes to gizmos, I'd say a HRM would be the best way to guage it on an individual basis. You got a Santa list? 
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TriBob
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Posted: 11/30/03 - 19:28 Post subject:
If you could have a direct corelation, we probably would have seen it. It can very by efficiency in each sport and wind is more critical in cycling since you are going faster.
For homework, get some race results and let us know what you find out.
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cherylpf
crazy cat lady
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Posted: 12/03/03 - 21:42 Post subject:
See, I don't think there is much of a correlation. I've never been anywhere NEAR PH's 6:30 pace running (maybe twice that at times  ) but I can hold pretty near PH's 18-20 mph on the bike for distances without much problem.
However, I will say my best 5K in recent years was the weekend before the MS 150, aka, peak cycling season for me, so maybe there is. I don't know? 
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shelee
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Posted: 12/07/03 - 13:21 Post subject:
| TriBob wrote: | If you could have a direct corelation, we probably would have seen it. It can very by efficiency in each sport and wind is more critical in cycling since you are going faster.
For homework, get some race results and let us know what you find out. |
well, due to a lot of injury, i haven't raced much this year...
my last race was a 5 miler at an 8 minute pace. back in feb, i did the same pace for a 5K. 1/2 marathon, i'm just around 9 minute pace. the 5K and half marathon were months ago, though, when i wasn't biking or doing speedwork. i think i'd have to agree with cheryl...maybe there isn't much of a correlation....maybe it's just overall conditioning.
not sure.
Shelly
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