A 1-Year Study of Endurance Runners: Training, Laboratory Tests, and Field Tests

Article


Galbraith, A., Hopker, James, Cardinale, Marco, Cunniffe, Brian and Passfield, Louis 2014. A 1-Year Study of Endurance Runners: Training, Laboratory Tests, and Field Tests. International Journal of Sports Physiology and Performance. 9 (6), pp. 1019-1025.
AuthorsGalbraith, A., Hopker, James, Cardinale, Marco, Cunniffe, Brian and Passfield, Louis
Abstract

Purpose:
To compare critical speed (CS) measured from a single-visit field test of the distance–time relationship with the “traditional” treadmill time-to-exhaustion multivisit protocol.

Methods:
Ten male distance runners completed treadmill and field tests to calculate CS and the maximum distance performed above CS (D′). The field test involved 3 runs on a single visit to an outdoor athletics track over 3600, 2400, and 1200 m. Two field-test protocols were evaluated using either a 30-min recovery or a 60-min recovery between runs. The treadmill test involved runs to exhaustion at 100%, 105%, and 110% of velocity at VO2max, with 24 h recovery between runs.

Results:
There was no difference in CS measured with the treadmill and 30-min- and 60-minrecovery field tests (P < .05). CS from the treadmill test was highly correlated with CS from the 30- and 60-min-recovery field tests (r = .89, r = .82; P < .05). However there was a difference and no correlation in D′ between the treadmill test and the 30 and 60-min-recovery field tests (r = .13; r = .33, P > .05). A typical error of the estimate of 0.14 m/s (95% confidence limits 0.09–0.26 m/s) was seen for CS and 88 m (95% confidence limits 60–169 m) for D′. A coefficient of variation of 0.4% (95% confidence limits: 0.3–0.8%) was found for repeat tests of CS and 13% (95% confidence limits 10–27%) for D′.

Conclusion:
The single-visit method provides a useful alternative for assessing CS in the field.

KeywordsVO2max; critical speed; distance running; endurance; performance changes
JournalInternational Journal of Sports Physiology and Performance
Journal citation9 (6), pp. 1019-1025
ISSN1555-0265
1555-0273
Year2014
PublisherHuman Kinetics
Accepted author manuscript
License
CC BY
Digital Object Identifier (DOI)doi:10.1123/ijspp.2013-0508
Web address (URL)https://doi.org/10.1123/ijspp.2013-0508
Publication dates
PrintNov 2014
Publication process dates
Deposited06 Jun 2017
Accepted18 Mar 2014
FunderBritish Olympic Medical Institute
British Olympic Medical Institute
Copyright information© 2014 Human Kinetics
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