Research
Energy balance
The 4-min and 20-min TTs are strongly associated with the 60-min mean power output (MPO), with adjusted R2 = .98.
Shorter TTs can be effectively used to predict longer cycling performance in trained cyclists.
StrongSupportsmedium confidence
the combination of the 4- and 20-min MPO (adjusted R2 = .98) were strongly associated with the 60-min MPO.
Why this rating
The study design includes statistical analysis of relationships between performance measures.
Source
The Reliability of 4-Minute and 20-Minute Time Trials and Their Relationships to Functional Threshold Power in Trained Cyclists
Martin J. MacInnis et al. · International Journal of Sports Physiology and Performance · 2018
DOI 10.1123/ijspp.2018-0100
other · n=8Cited 45×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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