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ForumsExercise & Body CompositionTriathlon training while on tirzepatide — 12 month update Page 2

Triathlon training while on tirzepatide — 12 month update

maria_elpaso Thu, Jan 22, 2026 at 10:23 AM 7 replies 916 viewsPage 2 of 2
Dr.ObesityMed
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Jan 22, 2026 at 2:40 PM#6
LarryQC_SD said:
Steady state is faster than people expect: half-life about five days, so you are at plateau in roughly three to four weeks rather than five.

I read this differently from LarryQC_SD, on substance rather than tone. The "tirzepatide is simply better" summary irritates me. It is better on mean weight loss, and the cardiovascular outcome evidence is far thinner than semaglutide's. If the reason for treating is cardiovascular risk rather than weight, the evidence base points the other way.

That is the short version; the long version is somebody else's post.

45 15EndoResFellow, PharmacoVig_BOS, SurmountFan_IN and 42 others
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jason_paloalto
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Jan 22, 2026 at 4:20 PM#7

Adding the numbers, since they settle part of this. One habit that pays for itself: post the method alongside the number. A figure without its method cannot be checked, and an unchecked figure is how this community accumulates folklore.

44 14Dr.PathRoch, mona_PHX, andrew_nyc and 41 others
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roxy_nash
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Jan 22, 2026 at 6:00 PM#8
Dr.ObesityMed said:
The "tirzepatide is simply better" summary irritates me.

There is a second half to this that has not been said yet. Training does two things here and only one of them is on the scale. It protects lean mass — which is the reason to do it — and it contributes modestly to the deficit, which is the reason people start and then quit when the arithmetic disappoints them. In a deep deficit, resistance work is the priority and high-volume cardio competes with recovery.

Last edited: Jan 23, 2026 at 12:00 AM
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hyun_seoul
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Jan 22, 2026 at 7:40 PM#9

One thing that is still open after LibrarianMeg’s answer:

Whether anyone has held 10mg long term rather than climbing, and what happened over the following year?

Last edited: Jan 22, 2026 at 11:40 PM
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maria_elpaso
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Jan 23, 2026 at 3:41 AM#10

Closing the loop on my own question.

I stayed at 10mg. Another six months, another 7kg, no new side effects, and my reading of the dose-response says the last two steps were never going to be worth what they cost me.

Last edited: Jan 23, 2026 at 9:41 AM
4 2LibrarianMeg, bri_stats, pete_manc_UK and 1 other
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