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This study investigated the effect of the officiating role on physical activity profiles of rugby league match officials during match-play. Physical performance indicators were collated from 23 match officials, resulting in 78 observations. Match officials were categorised into two groups: referees and touch judges. Microtechnology facilitated the quantification of total distance (m), relative distance (m⋅min -1 ), maximum velocity (m⋅s -1 ), the percentage of high intensity running distance (% total &gt; 3.01 m⋅s -1 ), walking distance (&lt;1 m⋅s -1 ), jogging distance (1.01 - 3 m⋅s -1 ), fast jogging distance (3.01 - 5 m⋅s -1 ), and sprinting distance (&gt;5 m⋅s-1). Multivariate analysis modelled the main effect of the officiating role with follow up univariate analyses identifying significant differences. A significant effect was noted (V = 750; F(8, 66) = 24.71; p &lt; 0.05) with referees covering a greater total distance (7767 ± 585 vs. 7022 ± 759 m), relative distance (90 ± 6 vs. 82 ± 8 m⋅min -1 ), jogging distance (3772 ± 752 vs. 3110 ± 553 m), and fast jogging distance (2565 ± 631 vs. 1816 ± 440 m) compared to touch judges. Touch judges covered greater distances while sprinting (1012 ± 385 vs. 654 ± 241 m). Results provide important guidance in the development of training programs for match officials.

Officiating Role Influences the Physical Match Activity Profiles of Rugby League Touch Judges and Referees