3000 to 2 mile conversion

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16 years ago 01/28/2008 7:29am EST

My friends keep converting their 3000m times to 2mile times incorrectly. They either add 35 seconds or just add another 200m at the same pace they held for 3000m. I'm happy that they're running well and so I didn't tell them they should add more like 40-45 seconds. It's not a big deal, but it's just been a little irritating to me that they think they're running sometimes 10 seconds faster than they really are, especially when they're bragging to me about it. Can anyone relate?

http://www-verio.iaaf.org/newsfiles/22153.pdf

http://www-verio.iaaf.org/downloads/scoringTables/index.html

16 years ago 01/28/2008 8:02am EST

Ha! I haven't even run a 3000m this season, and they don't "beat" me in workouts because we go to different schools.

16 years ago 01/28/2008 8:10am EST

re: just ranting

just ranting wrote:
Ha! I haven't even run a 3000m this season, and they don't "beat" me in workouts because we go to different schools.

A little more clarification. Thanks. those grapes must be especially sour since you are getting thrashed by "friends" at a rival school.

16 years ago 01/28/2008 9:07am EST

re: just ranting

would anyone care to explain why this is? I see the IAAF chart of conversions, but adding 45 seconds from a 3k to a 2 mile doensn't make any logical sense to me.

It seems ridiculous to say you couldn't hold the same pace, or maybe say 2 seconds slower, for an extra 200 meters. If you're running 70 second pace, and fade in the last 200 to 72 second pace, it would seem to me like you'd add about 40 seconds (the two extra plus three more seconds to reach two miles)

this assumes a plausible scenario, that someone fades (in my opinion harder than you normally would having to run an extra 200)...where could 5 more seconds possibly come from?

and at faster paces (say 9:00 3200 pace, which is 67.5) the amount you add is even less, in the neighborhood of 37

the IAAF tables are pointing more toward 42-44 seconds....I can't see why. what am I missing?

16 years ago 01/28/2008 10:43am EST

re: jz shore

Conversion is 37-38 for elite males, or 38-39 for elite females

16 years ago 01/28/2008 12:03pm EST

re: Two miler

To go 3000m to 2 miles -> divide 3k time by .926

To go 2 miles to 3000m -> multiply 2mi time by .926

To get your 2 mi equivalent from a 3200m time ->

divide 3200 time by .9941

Multiply by .9941 to get a 3200 time from a 2 mile time.

These work well and are accepted by statisticians as legitimate ways to convert/compare times in the 1500/1600/Mile and 3000/3200/2 mile.

Note that this conversion factor equates a 3:26.00 1500m with a 3:42.46 Mile.

Also note that an 8:30 3k (typical college level) converts to a 9:10.76 2-mile and a 9:07.51 3200m.

16 years ago 01/28/2008 12:28pm EST

re: Two miler

Two miler wrote:
Conversion is 37-38 for elite males, or 38-39 for elite females

I'm happy with this.

I say let the Two miler suggested numbers be the Official Let's Run Conversion.

6 years ago 10/06/2017 12:42am EDT

re: jz shore

jz shore wrote:
would anyone care to explain why this is? I see the IAAF chart of conversions, but adding 45 seconds from a 3k to a 2 mile doensn't make any logical sense to me.
It seems ridiculous to say you couldn't hold the same pace, or maybe say 2 seconds slower, for an extra 200 meters. If you're running 70 second pace, and fade in the last 200 to 72 second pace, it would seem to me like you'd add about 40 seconds (the two extra plus three more seconds to reach two miles)
this assumes a plausible scenario, that someone fades (in my opinion harder than you normally would having to run an extra 200)...where could 5 more seconds possibly come from?
and at faster paces (say 9:00 3200 pace, which is 67.5) the amount you add is even less, in the neighborhood of 37
the IAAF tables are pointing more toward 42-44 seconds....I can't see why. what am I missing?

There's a fatigue factor added in for the extra distance. It can't be the pace you were going at the end. It has to be the average pace you were going in the middle of the race, not including the opening and closing sprints.

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3000 to 2 mile conversion

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