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Differences in Stride Characteristics Between Lead and Wheel Horses in Competitive Chuckwagon Racing.

Thilo Pfau1,2, Matthijs van den Broek3, Brittany L Davis1

  • 1Faculty of Kinesiology, University of Calgary, Calgary, AB T2N 1N4, Canada.

Animals : an Open Access Journal From MDPI
|June 26, 2026
PubMed
Summary
This summary is machine-generated.

Lead horses in Chuckwagon racing exhibit distinct stride parameters, with higher stride frequency and shorter stride length, especially during race starts and finishes. These findings highlight differences between lead and wheel horses.

Keywords:
Chuckwagon racinghorselead horsesstride parameterswheel horses

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Area of Science:

  • Equine biomechanics
  • Animal locomotion
  • Thoroughbred racing

Background:

  • Chuckwagon racing involves teams of four Thoroughbreds pulling a heavy wagon.
  • Previous research indicates stride parameters can predict equine injuries.
  • This study investigates stride characteristics in lead vs. wheel horses during racing.

Purpose of the Study:

  • To test the hypothesis that lead horses use higher stride frequency and reduced stride length during tight turns.
  • To determine if these stride differences are more pronounced during initial race acceleration.
  • To analyze stride parameter variations between lead and wheel horses in Chuckwagon racing.

Main Methods:

  • Sixty Chuckwagon racing horses were monitored using global navigation satellite system (GNSS) loggers.
  • Stride frequency (SF) and stride length (SL) were measured over 100 m segments for 5 furlongs.
  • Mixed-effects models analyzed the effects of speed, race segment, and horse position (lead/wheel).

Main Results:

  • Stride frequency and stride length were significantly influenced by speed, race segment, and horse position interactions.
  • At 55.5 km/h, lead horses had a stride frequency of 2.333 Hz and stride length of 6.624 m.
  • Greater differences in SF and SL between lead and wheel horses were observed at the race start and finish.

Conclusions:

  • Distinct differences in stride parameters exist between lead and wheel horses in Chuckwagon racing, particularly at the start and end.
  • Stride frequency and length vary significantly based on horse position and race phase.
  • Future models for predicting performance or injury in these horses should consider race phase and horse position.