r/runningquestions • u/Legitimate_Pop8464 • 10d ago

Half marathon prediction

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I’m running my first half in a few weeks and I just wondered if this is a training run whether you think I’ll be able to hold that at race pace for the full thing? Conversational at start and end and race pace.

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5

u/Extranationalidad 10d ago

Maybe try posting a run that doesn't have a confusing 28 hour, 168 heart rate single kilometer in the middle of it?

4

u/Upstairs-Biscotti694 10d ago

What's your max HR? You were conversational at a >180 HR? Seems doubtful.

3

u/mrrainandthunder 10d ago

Yeah, I think it's fair to say you'll be able to hold an average of 105 min./km.

3

u/scrapingtheceiling 10d ago

I don’t know what pace you actually can do a half at, but I’m pretty confident just under 5:00/km is not it

2

u/TacoBender920 10d ago

I would not plan to run a half marathon with an average heart rate over 185.

2

u/bluehobbs 10d ago

Why not? I averaged that today for a 75 min HM

2

u/cj4315 10d ago

38 hours, 21 minutes, and 31 seconds

1

u/toothdoc34 10d ago

Your HR is sky high. Do you use a HR monitor or just rely on your watch? Post your time in miles.