General Discussion Triathlon Talk » Swim Wave timing logic? Rss Feed  
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2013-03-31 11:10 PM

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Subject: Swim Wave timing logic?

 I was reviewing the swim start waves for my July HIM (Is it too early to start obsessing?) and saw an interesting mix of start times and age groups that I must admit baffles me.  It doesn't seem to fit a pattern of the groups expected to finish fastest in order (M55+ before W31 or M45).  Since this will be my first HIM, I don't have the experience to see the pattern, but I'm sure there are plenty of very experienced folks here who can explain the logic behind it.

6:30 AM/6:32 AM

Swim Wave 1   

    Pro Men/Pro Women

6:36 AM

Swim Wave 2

    M 35-36

6:42 AM

Swim Wave 3

    M 37

6:48 AM

Swim Wave 4

    M 38-39

6:54 AM

Swim Wave 5

   W 40-44

7:00 AM

Swim Wave 6

    M 50-54

7:06 AM

Swim Wave 7   

    W 29 & Under

7:12 AM

Swim Wave 8

    M 40-41

7:18 AM

Swim Wave 9

    M 42 

7:24 AM

Swim Wave 10

    M 43-44

7:30 AM

Swim Wave 11

    M 29 & Under

7:36 AM

Swim Wave 12

    W 50+

7:42 AM

Swim Wave 13

    M 55+

7:48 AM

Swim Wave14

    W 35-37

7:54 AM

Swim Wave15

    W 38-39

8:00 AM

Swim Wave 16

    W 30-32

8:06 AM

Swim Wave 17

    W 33-34

8:12 AM

Swim Wave 18

    M 45-46

8:18 AM

Swim Wave 19

    M 47-49

8:24 AM

Swim Wave 20

   W 45-49

8:30 AM

Swim Wave 21

   M 30-32

8:36 AM

Swim Wave 22

    M 33-34

 



2013-03-31 11:36 PM
in reply to: #4681317

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Champion
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Evergreen, Colorado
Subject: RE: Swim Wave timing logic?
TTom - 2013-03-31 11:10 PM

 I was reviewing the swim start waves for my July HIM (Is it too early to start obsessing?) and saw an interesting mix of start times and age groups that I must admit baffles me.  It doesn't seem to fit a pattern of the groups expected to finish fastest in order (M55+ before W31 or M45).  Since this will be my first HIM, I don't have the experience to see the pattern, but I'm sure there are plenty of very experienced folks here who can explain the logic behind it.

6:30 AM/6:32 AM

Swim Wave 1   

    Pro Men/Pro Women

6:36 AM

Swim Wave 2

    M 35-36

6:42 AM

Swim Wave 3

    M 37

6:48 AM

Swim Wave 4

    M 38-39

6:54 AM

Swim Wave 5

   W 40-44

7:00 AM

Swim Wave 6

    M 50-54

7:06 AM

Swim Wave 7   

    W 29 & Under

7:12 AM

Swim Wave 8

    M 40-41

7:18 AM

Swim Wave 9

    M 42 

7:24 AM

Swim Wave 10

    M 43-44

7:30 AM

Swim Wave 11

    M 29 & Under

7:36 AM

Swim Wave 12

    W 50+

7:42 AM

Swim Wave 13

    M 55+

7:48 AM

Swim Wave14

    W 35-37

7:54 AM

Swim Wave15

    W 38-39

8:00 AM

Swim Wave 16

    W 30-32

8:06 AM

Swim Wave 17

    W 33-34

8:12 AM

Swim Wave 18

    M 45-46

8:18 AM

Swim Wave 19

    M 47-49

8:24 AM

Swim Wave 20

   W 45-49

8:30 AM

Swim Wave 21

   M 30-32

8:36 AM

Swim Wave 22

    M 33-34

 

Meh...people study this stuff and figure out what order of swim waves is likely to create the least clogging on the bike.  At least, that's what they say.  Personally I think they just use darts and whatever order they throw in is what happens. :D

It's stupid doing it by AG anyway.  There are fast and slow people in every AG.  I am faster than 75% of the Men's AG's in any tri...but the men always think I should go after them.  It's really a big crapshoot....

2013-04-01 12:06 AM
in reply to: #4681317

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Subject: RE: Swim Wave timing logic?
Typically it's a disadvantage to start later (in a large race) due to the heat later in the day.  It wouldn't be fair to always start AG's in order of average speed.
2013-04-01 1:33 AM
in reply to: #4681317

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Vancouver (not Canada) Washington (not D.C.)
Subject: RE: Swim Wave timing logic?
I've also wasted too much time trying to figure out the order. My guess is not necessarily all about finish time but also trying to spead things out. Some of the AG are way bigger than others.

I think watching the wave start kind of helps make some sense of it but don't try to figure it out based on who swims the fastest.

Here is a way that it helped me duirng Boise 70.3. The water was freezing and my AG which was 40-44 was starting about an hour after the pros. The water was 53 and I just didn't want to swim but I watched this little old ladies get in the water without whining and so when it was my turn, I jumped in like grandma and swam the best I could.
2013-04-01 3:27 AM
in reply to: #4681317

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Subject: RE: Swim Wave timing logic?
Have you ever heard of the stance to change what you can and let go that which you cannot?

How much time do you really want to devote to something that you have absolutely no control over?

2013-04-01 5:04 AM
in reply to: #4681317

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Subject: RE: Swim Wave timing logic?

I would maintain there is no apparent logic in this start order, but as others have said don't dwell on it.

How big a race is this that it takes two hours to get everyone in the water? A single wave just for M 37? Multiple two-year waves? Six minutes apart? Crazy stuff here.



2013-04-01 5:28 AM
in reply to: #4681355

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Subject: RE: Swim Wave timing logic?
cbrave - 2013-04-01 1:33 AMI've also wasted too much time trying to figure out the order. My guess is not necessarily all about finish time but also trying to spead things out. Some of the AG are way bigger than others. I think watching the wave start kind of helps make some sense of it but don't try to figure it out based on who swims the fastest.Here is a way that it helped me duirng Boise 70.3. The water was freezing and my AG which was 40-44 was starting about an hour after the pros. The water was 53 and I just didn't want to swim but I watched this little old ladies get in the water without whining and so when it was my turn, I jumped in like grandma and swam the best I could.
LOVE this!!!
2013-04-01 5:32 AM
in reply to: #4681336

Subject: ...
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2013-04-01 10:51 AM
in reply to: #4681317

Expert
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Subject: RE: Swim Wave timing logic?

Being in the 55+ group and in my last 2 HIM races I started right behind the women pro's.  I didn;t like it that much as it was kind of lonely out of the course. Yea some people passed me and I passed a couple but I wasn't catching the pros.   Run was fine as they were both multiple loops.

For New Orleans 70.3 I start way back in wave 11 of a TT swim start.  Why the change?  No idea.  I don't like waiting until 8:430 - 8:45 to start but the race itself will be much more fun for me.  I like to be around people, pass them get passed, etc.  Just more fun around a lot of people. 

2013-04-01 3:38 PM
in reply to: #4681365

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SF Bay area
Subject: RE: Swim Wave timing logic?
DanielG - 2013-04-01 1:27 AM Have you ever heard of the stance to change what you can and let go that which you cannot? How much time do you really want to devote to something that you have absolutely no control over?
Eh, not really worried about this, just curious.  Always trying to understand and learn.
2013-04-01 3:43 PM
in reply to: #4681380

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Subject: RE: Swim Wave timing logic?
the bear - 2013-04-01 3:04 AM

I would maintain there is no apparent logic in this start order, but as others have said don't dwell on it.

How big a race is this that it takes two hours to get everyone in the water? A single wave just for M 37? Multiple two-year waves? Six minutes apart? Crazy stuff here.

It is the Vineman 70.3, looks like about 2300 participants.  Yeah, I noticed the single wave dedicated to M37 . . .


2013-04-01 3:48 PM
in reply to: #4681317

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Subject: RE: Swim Wave timing logic?

the last two waves are ridiculous. In my opinion it's dangerous to start the *generally* fast M30-35 guys so far back. It happened to me that way at IMAugusta last year and I felt it was very dangerous for both guys like me that were hitting waves of struggling swimmers in front of us and on the bike where less confident athletes were often weaving in and out of line.


Maybe I'm just bitter though.

2013-04-01 3:51 PM
in reply to: #4681380

Subject: RE: Swim Wave timing logic?
the bear - 2013-04-01 12:04 AM

I would maintain there is no apparent logic in this start order, but as others have said don't dwell on it.

How big a race is this that it takes two hours to get everyone in the water? A single wave just for M 37? Multiple two-year waves? Six minutes apart? Crazy stuff here.

x2...what race is this.

It's crazy to think that I could be 34, and my buddy could be 35.  We could both do a 5 hour HIM, except when I START my run, he'd already be in line for his 2nd beer.

2013-04-01 4:14 PM
in reply to: #4681317

Member
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Leawood, Kansas
Subject: RE: Swim Wave timing logic?
Two years ago at an all-women tri, I was in the last wave of swimmers (at the time they combined 45-49 and the youngest gals). As I entered T1, the first wavers were coming back from the bike leg. It was a little demoralizing to feel that I was so far "behind", even though I knew I was in control of my individual time.
2013-04-01 5:38 PM
in reply to: #4682289

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Subject: RE: Swim Wave timing logic?
Leegoocrap - 2013-04-01 3:48 PM

the last two waves are ridiculous. In my opinion it's dangerous to start the *generally* fast M30-35 guys so far back. It happened to me that way at IMAugusta last year and I felt it was very dangerous for both guys like me that were hitting waves of struggling swimmers in front of us and on the bike where less confident athletes were often weaving in and out of line.


Maybe I'm just bitter though.

No, I agree completely. I did an OWS with a tri group locally and I arrived at the dock late, hopped in and started swimming the course. I bumped into a few swimmers, stopped for a few seconds and made sure they were alright and kept going. However the swimmers that were really weak that I passed and didn't notice I hit or went so close by that the wave threw them off, made them panic (it was shallow enough to stand, no big). I even got approached after the swim about it. Granted this was a training OWS so it was much more lax--in a race I'd be much more aggressive about getting from point A to point B. I can only imagine some similar-level swimmers getting congested around the buoys and some men/women in the back that want to pass causing panic like a bowling ball hitting a bunch of pins. Dangerous and frustrating for everyone.

I mean its not like we're butterfly stroking over people, but still.

On the other hand it closes the course faster, so I can see the logical need for it.

As for cycling, I feel there's more of a benefit than detriment. Just swing wide for the wobblers and you get a really nice slingshot effect if its a large race.

However that Vineman lineup looks like a drunk game of darts.

2013-04-01 7:40 PM
in reply to: #4681317

Member
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Subject: RE: Swim Wave timing logic?
Is this the same logic Delta Air Lines uses for their zone boarding?


2013-04-02 8:27 AM
in reply to: #4682452

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Subject: RE: Swim Wave timing logic?
odpaul7 - 2013-04-01 6:38 PM

As for cycling, I feel there's more of a benefit than detriment. Just swing wide for the wobblers and you get a really nice slingshot effect if its a large race.

Well..

1.) Drafting lines (which are rampant at larger events) are NOT safe to pass in an aero tuck. Halfway up the line, if someone pulls over to pass somebody else, you are in a dangerous position, especially when you consider...

2.) Most bike courses only close 1 lane of the road. Swinging out over the yellow line is often grounds for an automatic DQ (besides being terribly unsafe)

 

All I'm saying is that it's terribly unsafe for a strong biker who's going to be averaging 20+ mph over a long course in an aero tuck to be running up on slower bikers from behind.

2013-04-02 9:42 AM
in reply to: #4683112

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Subject: RE: Swim Wave timing logic?
Leegoocrap - 2013-04-02 9:27 AM
odpaul7 - 2013-04-01 6:38 PM

As for cycling, I feel there's more of a benefit than detriment. Just swing wide for the wobblers and you get a really nice slingshot effect if its a large race.

Well..

1.) Drafting lines (which are rampant at larger events) are NOT safe to pass in an aero tuck. Halfway up the line, if someone pulls over to pass somebody else, you are in a dangerous position, especially when you consider...

2.) Most bike courses only close 1 lane of the road. Swinging out over the yellow line is often grounds for an automatic DQ (besides being terribly unsafe)

 

All I'm saying is that it's terribly unsafe for a strong biker who's going to be averaging 20+ mph over a long course in an aero tuck to be running up on slower bikers from behind.

I agree.  Few things during a race make me as nervous as passing groups of considerably slower riders.  Sometimes you're coming up on them so quickly that you face the choice of giving them very short notice that you're there, or reducing your pace for the sake of safety.

 

 

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