Analysis of a Skating Time-Trial Competition and Associated Performance-Determinants in Cross-Country Skiers

Lei Shang, Øyvind Sandbakk, Ruiying Shi, Xiaoping Chen () and Rune Kjøsen Talsnes
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Lei Shang: Institute of Competitive Sports, Beijing Sport University, Beijing 100084, China
Øyvind Sandbakk: Centre for Elite Sports Research, Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, 7030 Trondheim, Norway
Ruiying Shi: National Academy of Economic Strategy, Chinese Academy of Social Sciences, Beijing 100006, China
Xiaoping Chen: Institute of Competitive Sports, Beijing Sport University, Beijing 100084, China
Rune Kjøsen Talsnes: Meråker High School, Trøndelag County Council, 7735 Steinkjer, Norway

IJERPH, 2022, vol. 19, issue 18, 1-15

Abstract: Purpose : To examine the contributions of time in different terrains and sub-technique distribution to overall time-trial performance, as well as the relationships of laboratory and field-based performance determinants in cross-country skiers. Methods : Fourteen male XC skiers were monitored during a 10 km (3 × 3.3 km) skating time-trial competition. On separate days, the skiers performed body composition assessments, laboratory tests while roller-ski skating and a 3 km uphill skating field test. Results : Time in uphill terrain was most strongly correlated with overall performance (r = 0.99, p < 0.01). G2 and G3 were the predominant sub-techniques (61% of overall time) with more use of G2 on lap three compared to lap one ( p < 0.05). Body mass and lean mass were inversely correlated with overall and uphill performance (r = −0.60–0.75, all p < 0.05). VO 2 at 4 mmol·L −1 , VO 2peak and TTE while roller-ski skating in the laboratory and the 3 km uphill skating field test correlated with overall performance (r = −0.66–0.85, all p < 0.05). Conclusions : Time in uphill terrain was the main contributor to overall performance, and G3 and G2 the most used sub-techniques with increased utilization of G2 throughout the competition. VO 2peak and TTE while roller-ski skating in the laboratory and performance in an uphill skating field test had the strongest associations with time-trial performance.

Keywords: endurance sport; global positioning system; pacing; inertial measurement unit; peak oxygen uptake; sub-technique selection; XC skiing (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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