Time-to-Run
  



FAQ Members List Calendar Search Today's Posts Mark Forums Read
Go Back   Time-to-Run > The Training Zone > 10K Training Feedback
Home Forums Downloads Blogs
   
Time-to-Run on FacebookFollow TimetoRun on Twitter Running InformationUSA RunningRunning South AfricaRunning New ZealandRunning UKRunning CanadaRunning IrelandDeutsch LaufzeitRunning DenmarkSverige LöpningRunning FinlandTel Aviv Marathon Running Australia Running KenyaRunning EuropeRunning MaltaRunning NamibiaDonate for Training Advice
10K Training Feedback Our 10k Training Programs Feedback


Sub 35


 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
Old 15-12-2018, 07:52 PM   #11
jamieh
Senior Member
 
jamieh's Avatar
 
Join Date: Dec 2011
Hello there,

Interesting times...

So, I had my follow-up heart scans yesterday after nearly 7 weeks of no recorded avg HR over ~110bpm (usually <105bpm) and no run over 60mins. I've been averaging about 40k per week for the period with pace dropping from 4:45/km down to 6:00/km (or slower) most recently.

The good news is that the volume of my left atrium has decreased from 46mL/m2 to 40mL/m2 which means I'm at a much lower risk of atrial fibrillation, and shows that the size of the atrium is definitely an adaptation to my training (vs. being some other medical condition). The not so good news is that it's still classified as 'severely abnormal', although <40mL/m2 would only be 'moderately abnormal' so I'm not far off

Now... the really interesting thing is what happened when I went for a run today and pushed a little. After the usual 100-110bpm start I tried 2x 2k pretty hard (roughly 5k 'all out' effort) and I recorded a new highest Max HR of 180bpm! In the second 2k I was at 175+ for well over 5 mins.

Consider that in 10 years of using HR monitors I've only once seen a HR over 175, and that was just for a few seconds at the top of a hill in a race (and with optical HR which makes it debatable). At the end of the marathon in Oct I was wearing a strap and hit a Max of 172 for the last 5 seconds crossing the line. In the 15:54 5k in Sept I never went over 170bpm.

It's probably too early to say whether the ability to reach and sustain higher heart rates is related to the smaller atrial volume but it seems likely. If it is indeed the case then I'm wondering if I can develop this "new type of fitness" where I'm able to sustain higher heart rates, and therefore run faster with a lower atrial volume and lower risk of AFib That's the hypothesis anyway...

The other interesting thing is that the 2ks today really weren't that slow... 6:55 and 6:38, despite literally nothing more than a jog in 7 weeks!! That tells me I've probably still got some de-conditioning to go before I reach rock-bottom fitness, so hopefully I can get the atrium even smaller.

That said - the plan now is to take another 6 weeks of very light training (mostly 100-110bpm) to see if I can bring the atrium down to the moderate range.

After that I'm hoping I can adopt a new training style where I mostly do super low heart rate (although still get decent mileage in so the muscles/bones etc. are strong) and then supplement this with sessions of v. high heart rate (for short periods of time) (e.g. the 2k and 1k's).

Will keep you posted...
jamieh is offline   Reply With Quote
 

Go Back  Time-to-Run > The Training Zone > 10K Training Feedback


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is On
Forum Jump

»

» Recent Threads
coming off base phase/when to up the...
13-11-2012 10:21 AM
Last post by TheEd
21-02-2019 11:25 AM
1,091 Replies, 565,572 Views
Sub 35
27-12-2011 12:01 AM
by jamieh
Last post by TheEd
04-02-2019 09:31 AM
655 Replies, 330,477 Views
Working towards my first sub 45 10K
19-01-2019 07:41 PM
Last post by TheEd
04-02-2019 09:21 AM
16 Replies, 913 Views
PB Yesterday - next race 27/10
08-10-2018 08:20 AM
Last post by TheEd
19-12-2018 02:56 PM
19 Replies, 4,977 Views
Sub 45 Min 10k Goal - Advice much...
07-11-2018 11:18 AM
Last post by TheEd
02-12-2018 11:58 AM
9 Replies, 2,352 Views
Sub 45min 10k program - 4 run per week...
16-01-2016 11:28 AM
Last post by TheEd
29-10-2018 01:57 PM
24 Replies, 31,727 Views
» Recent Blogs
Racing her first 10k races
18-09-2014 01:16 PM
by TheEd
Last post by TheEd
18-09-2014 01:16 PM
0 Replies, 64,216 Views
Intro to the athlete, MrsDuck
11-08-2014 11:16 AM
by TheEd
Last post by TheEd
11-08-2014 11:16 AM
0 Replies, 58,001 Views
Steve Jones Record
13-04-2014 12:46 PM
by TheEd
Last post by TheEd
13-04-2014 12:46 PM
0 Replies, 55,650 Views
Powered by vBadvanced CMPS v3.2.2

All times are GMT. The time now is 06:17 PM.


Powered by vBulletin® Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
© 2008 - 2019 Time-to-Run All Rights Reserved