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ForumsProgress & Lab ResultsMarathon PR after 80 lbs weight loss — race day report

Marathon PR after 80 lbs weight loss — race day report

MikeNYC_runner Mon, May 25, 2026 at 3:02 PM 25 replies 875 viewsPage 1 of 5
MikeNYC_runner
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May 25, 2026 at 3:02 PM#1

Thirteen weeks at the same dose with no change on the scale, and I have gone from assuming it was the drug to assuming it was me and back several times.

What I actually want to know is how to distinguish a genuine plateau from measurement noise and creeping intake, before changing anything.

If the honest answer is that nobody knows, that is a useful answer and I would rather have it.

14 9PedsEndoPhilly, SleepDoc_PDX, RegAffairsDC and 11 others
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anders_CPH
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May 25, 2026 at 4:03 PM#2
MikeNYC_runner said:
Thirteen weeks at the same dose with no change on the scale, and I have gone from assuming it was the drug to assuming it was me and back several…

Plateau breaking story with a stall: I stalled at 213 lbs for 7 weeks. Tried everything — calorie cycling, increased exercise, more water. Nothing worked.

What finally broke the plateau: a brief dose increase followed by return to maintenance. Lost 12 lbs in the next 3 weeks. Plateaus are temporary — they always break if you stay consistent.

13 8MariaRD, AussieAnna, BethLabQueen and 10 others
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HealthEcon_DC
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May 25, 2026 at 5:04 PM#3
anders_CPH said:
Plateau breaking story with a stall: I stalled at 213 lbs for 7 weeks.

Agreeing with anders_CPH, and the qualification matters more than the agreement. Most reported plateaus are not plateaus. Weight is a noisy signal — daily variation of one to two kilograms from glycogen, sodium and gut contents — so a fortnight of flat readings is well inside the noise band. Before concluding anything, look at a rolling weekly average over at least four weeks and at a tape measure, because recomposition shows up in circumference before it shows up in weight. Then track intake honestly for a week: appetite suppression fades unevenly, and intake creeping back up is the single commonest cause.

12 7KevinCompounds, TirzTom, TrialTracker_MD and 9 others
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claudia_zurich
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May 25, 2026 at 6:05 PM#4
MikeNYC_runner said:
Thirteen weeks at the same dose with no change on the scale, and I have gone from assuming it was the drug to assuming it was me and back several…

Second this. Nothing to add that would improve it.

Last edited: May 26, 2026 at 12:05 AM
11 6alex_tucson, kevin_tulsa, Dr.PainCLE and 8 others
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Dr.NutriCornell
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May 25, 2026 at 11:56 PM#5

Clinical perspective, offered as context rather than as advice. Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third retelling.

Last edited: May 26, 2026 at 1:56 AM
10 5pat_auckland, Dr.GastroMayo, JakeBK_lifts and 7 others
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