Nine-year cycling study in older adults: peak oxygen uptake fell 19.7%
In older cyclists reassessed after nine years, peak oxygen consumption fell 19.7% overall; the abstract reports this as a model of biological aging without inactivity. [1]
Automatic summary · not editorially reviewed
The key findings
The source at a glance
- Study type / format
- Nine-year longitudinal observational study (abstract)
- Population / context
- Older cyclists: 82 of 125 originally assessed returned nine years later (53 men, 29 women), aged 64–86 years at follow-up.
- Summary based on
- Study abstract
- Original publication
- September 28, 2026
Cyclists reassessed after nine years
The study followed older people who kept cycling for nine years and treated them as a model of inherent biological aging without the effects of inactivity. Of 125 cyclists first assessed in 2012–2013, 82 returned nine years later: 53 men and 29 women, aged 64–86 years at follow-up.
Supporting source [1]
Peak oxygen uptake fell 19.7% over nine years
Peak oxygen consumption was the primary outcome and declined by 19.7%, from 44.1 to 35.4 ml·kg⁻·min⁻. The decline was larger in one group than another (24.2% vs 17.3%), but the abstract text is truncated at this point, so the group labels are not fully readable here. Almost all other measured indices showed no difference between health groups over the nine years.
Supporting source [1]
Abstract-only scope and survivor bias caveat
The authors acknowledge potential survivor bias: only those who returned could be reassessed. They conclude that the longitudinal data support the concept that exercise is linked to good physiological function even with emerging disease in a body declining with age. This is an association in a selected group, not proof that exercise causes these outcomes. Only the abstract was reviewed; the full text was not reviewed.
Supporting source [1]
How to interpret this
Abstract only; the full text was not reviewed. The abstract text is truncated where group comparisons are reported, so those group labels cannot be read here. The authors note potential survivor bias, and the findings are associations in a selected group of continuing cyclists, not proof of cause.
Based on the study abstract; the full paper, tables and supplementary data were not reviewed.
Source & supporting passages
Fathi AS, Francis T, Milbourn E, Newton E, Siegel L, Taylor S, Duggal NA, Lord JM, Lazarus NR, Pollock RD, Harridge SDR. · europepmc.org · September 28, 2026