Some ironmans list the swim as 2.4 miles, and some list it as 4k, which would be 2.48 miles. Some list it as 3.8k, which would be 2.356 miles - not 2.4.
My pool says it’s 36 laps per mile, so I’m guessing it’s a 25 yard pool. How long is the exact distance of an ironman event? 2.4 miles, 2.48 miles, or 2.356 miles?
(2.4 miles) x (1760 yds/mi) / (50 yds/lap) = 84.48 laps
a LAP is down and back.
A suggestion, don’t count laps. Count 50, 100, 150, 200 etc until you get to 4250 (it’s actually 4224 yds but if you do 4225 yds you’ll end up on the opposite end of the pool)
If you’re actually trying to mimic an IM swim to judge effort, time, etc., don’t forget to not push off the wall, not pause on the wall, not hang/rest on the wall, etc. Because you won’t have any of those luxuries during the race.
85 laps (up and back), otherwise if you do 84.5 you’ll be at the opposite end of the pool and have to walk all the way around back to your stuff. Oh the humanity!
There is no such thing as an agreement among hard core swimmers on whether a lap is one or two lengths. Never will be either.
It’s enough of an unresolved point that a rulebook for pool swimming won’t define a lap, or use it in their description of rules (The script in use for distance events when I reffed was “Lead swimmer will get the gun with two lengths and five yards to go.” or “Lead swimmer will get the gun with five and fifty to go” )
So easiest to always sprcify a number of lengths, or distance to be covered, since even an 8&under can remember how many lengths are in a 300 or 400 yard/meter swim.
There have been some debates on here about this…apparently in some places a lap means one length (down OR back). Most everywhere though it means down AND back.
What if I only want to do 84.5 so I leave my stuff on the other side of the pool before I start? Also, what happens if I warm up and cool down with some backstrokes? Does that count?
The question is pretty much answered. However bear in mind the accuracy of measuring an open water swim and the conditions out there can make it a hell of a lot further or shorter! Train for 5km!
When I did my only swim training for my IM’s I did not count laps. I swam 2 hours straight. I didn’t worry about speed. I did drills and mindless thoughts. I just swam the 2 hours. I ended up with way under that for the 2.4 swim. I ALWAYS lose count when I count laps!
Well, there’s that strategy too…Seriously, we’re debating 85-86-90-92, etc, jstu get out there and swim. Seriously, are we that bored that this is the major discussion topic of the day? Ok, nevermind, dumb question…