scholarly journals Older recreational cross-country skiers adopt more even pacing strategies than their younger counterparts of similar performance level

2018 ◽  
Vol 27 (3) ◽  
pp. 365-373 ◽  
Author(s):  
Pantelis Theodoros Nikolaidis ◽  
Elias Villiger ◽  
Beat Knechtle
Keyword(s):  
Performance Level ◽  
Similar Performance ◽  
Pacing Strategies ◽  
Cross Country

scholarly journals The effect of aging on pacing strategies of cross-country skiers and the role of performance level

2018 ◽  
Vol 15 (1) ◽  
Author(s):  
Pantelis Theodoros Nikolaidis ◽  
Elias Villiger ◽  
Thomas Rosemann ◽  
Beat Knechtle
Keyword(s):  
Performance Level ◽  
Pacing Strategies ◽  
Cross Country

scholarly journals Even Pacing Is Associated with Faster Finishing Times in Ultramarathon Distance Trail Running—The “Ultra-Trail du Mont Blanc” 2008–2019

2020 ◽  
Vol 17 (19) ◽  
pp. 7074 ◽  
Author(s):  
Daniel Suter ◽  
Caio Victor Sousa ◽  
Lee Hill ◽  
Volker Scheer ◽  
Pantelis Theo Nikolaidis ◽  
...  
Keyword(s):  
General Linear Model ◽  
Performance Level ◽  
Age Group ◽  
Younger Age ◽  
Pacing Strategies ◽  
And Performance ◽  
Group Sex ◽  
The Impact ◽  
Trail Running ◽  
One Way Anova

In recent years, there has been an increasing number of investigations analyzing the effects of sex, performance level, and age on pacing in various running disciplines. However, little is known about the impact of those factors on pacing strategies in ultramarathon trail running. This study investigated the effects of age, sex, and performance level on pacing in the UTMB® (Ultra-trail du Mont Blanc) and aimed to verify previous findings obtained in the research on other running disciplines and other ultramarathon races. Data from the UTMB® from 2008 to 2019 for 13,829 race results (12,681 men and 1148 women) were analyzed. A general linear model (two-way analysis of variance (ANOVA)) was applied to identify a sex, age group, and interaction effect in pace average and pace variation. A univariate model (one-way ANOVA) was used to identify a sex effect for age, pace average, and pace variation for the fastest men and women. In our study, pace average and a steadier pace were positively correlated. Even pacing throughout the UTMB® correlated with faster finishing times. The average pace depended significantly on sex and age group. When considering the top five athletes in each age group, sex and age group also had significant effects on pace variation. The fastest women were older than the fastest men, and the fastest men were faster than the fastest women. Women had a higher pace variation than men. In male competitors, younger age may be advantageous for a successful finish of the UTMB®. Faster male runners seemed to be younger in ultramarathon trail running with large changes in altitude when compared to other distances and terrains.

scholarly journals Choice of Pole and Ski Lengths Among Elite Cross-Country Skiers: The Influence of Sex and Performance Level

2021 ◽  
Vol 3 ◽  
Author(s):  
Per-Øyvind Torvik ◽  
Roland van den Tillaar ◽  
Øyvind Sandbakk
Keyword(s):  
Body Height ◽  
Sprint Performance ◽  
Performance Level ◽  
Whole Body ◽  
Men And Women ◽  
Male And Female ◽  
Secondary Purpose ◽  
Double Poling ◽  
Cross Country ◽  
And Performance

Cross-country (XC) skiers employ whole-body exercise to generate speed through poles and skis. The choice of optimal pole and ski lengths are therefore of high importance. The aim of this study was to document pole and ski lengths among elite male and female cross-country skiers in the classical and skating styles and to investigate sex differences in body-height-normalized pole and ski lengths. Our secondary purpose was to correlate body-height-normalized pole and ski lengths with performance level within both sexes. In total, Norwegian men and women (n = 87 and 36, respectively), participating in the Norwegian XC championship 2020, were investigated. Most athletes used poles close to the length allowed by the International Ski Federation (FIS) in the classical style among both sexes, with men using slightly longer poles than women (p < 0.05). Body-height-normalized pole lengths in skating were similar in men and women (around 90% of body height). Women used relatively longer ski lengths than men in both styles (p < 0.05). Women showed moderate correlations (r = 0.43, p < 0.05) between body-height-normalized pole lengths and sprint performance. Male and female cross-country skiers use as long classical ski poles as possible within the current regulations, while they use skating poles similar to recommendations given by the industry. The fact that men use longer body-height-normalized poles than women, where there is a correlation between pole length and sprint performance, indicate that faster women are able to better utilize the potential of using longer poles when double-poling. However, while women use relatively longer skis than men, no correlation with performance occurred for any of the sexes.

scholarly journals Pacing strategy during Olympic Cross-Country Mountain Bike: effects of performance level, age and sex

2020 ◽  
Vol 9 (1) ◽  
pp. 13-24
Author(s):  
Everton Crivoi Do Carmo ◽  
Allan Inoue ◽  
Cesar Cavinato Cal Abad ◽  
Frederico Antonio dos Santos Andrade ◽  
Valmor Tricoli ◽  
...  
Keyword(s):  
Effect Size ◽  
High Performance ◽  
Elite Athletes ◽  
Performance Level ◽  
Mountain Bike ◽  
Pacing Strategy ◽  
Fast Start ◽  
Cross Country ◽  
Low Performance ◽  
Age And Sex

Objectives: the aim of the present study was to verify the pacing strategy during a season of a Cross-Country Mountain Bike (XCO-MTB) and the effects of performance level, age and sex. Method: Overall, 802 paces in 4 age-sex categories were analyzed: male elite (EliteM; n = 272), female elite (EliteF; n = 170), male under-23 (U23M; n = 247) and female under-23 (U23F; n = 113). Races were divided into Initial Lap; middle one (Middle1); middle two (Middle2) and Final Lap. The athletes were divided into high performance (HP); intermediated performance (IP) and low performance (LP). The magnitude-based inference and the effect size were assessed to check the changes clinically important. Results: it was observed a similar fast-start strategy for all categories. Both HP EliteM and EliteF athletes showed higher speed in Final Lap than LP (EliteM - ES = 0.5; 90%CI -0.8 to -0.2; very likely and EliteF - ES = 1.0; 90%CI -1.4 to -0.6; almost certain). The U23F athletes showed higher speeds in Initial Lap than EliteF (ES = 0.21; 90%CI - 0.1 to 0.5; likely), however in Final Lap the speeds was lower in U23F (ES = 1; 90%CI -1.3 to -0.6; very likely). Conclusion: the fast-start strategy is typically used during a XCO-MTB race independently of performance level, age or sex. HP Elite athletes are able to maintain higher speeds in the Final Lap. U23F athletes used to do a more variable pacing strategy with more aggressive fast-start strategy and lower speed in Final Lap than EliteF.

A Portrait of Pacing Profile of Cross-Country Skiers in the Vasaloppet 2004–2017

2018 ◽  
Vol 39 (11) ◽  
pp. 875-880
Author(s):  
Pantelis Nikolaidis ◽  
Elias Villiger ◽  
Thomas Rosemann ◽  
Beat Knechtle
Keyword(s):  
Race Time ◽  
Performance Group ◽  
Pacing Strategies ◽  
Main Effect ◽  
The Mean ◽  
Cross Country ◽  
The Difference ◽  
And Performance

AbstractThe aim of the study was to examine the effect of performance group by race time (10 groups;<3 h, 3–4 h, and so on up to>12 h) on pacing in women (n=19,465) and men (n=164,454) finishers in the ‘Vasaloppet’ cross-country (XC) skiing race from 2004 to 2017. The speed in the fastest and slowest split was analysed as a percentage of the mean race speed and pacing was defined as the difference (%) between the fastest and slowest split. Women had a larger pace range than men (44.0±10.6% versus 41.1±12.5%, respectively, p<0.001, d=0.25). An almost perfect relationship between performance group and pacing was observed in women (r=0.900, p<0.001) and men (r=0.908, p<0.001). A large main effect of performance on pacing was observed in women (p<0.001, η2=0.292), where the smaller range was in the<4 h group (22.8±3.3%) and the largest in the 10–11 h group (49.2±9.9%). In men, the corresponding values were 21.6±2.2% (<3 h group) and 51.6±11.2% (10–11 h group; p<0.001, η2=0.474). Based on these findings, it was concluded that fast XC skiers had relatively the most even pacing and pacing became less even with decreasing performance. This information is of practical value for coaches working with XC skiers to develop optimal sex- and performance-tailored pacing strategies.

scholarly journals Síla odrazu běžců na lyžích u vybraných technik běhu

2012 ◽  
Vol 6 (1) ◽  
pp. 93-98
Author(s):  
Pavel Korvas ◽  
Jiří Suchý
Keyword(s):  
Body Weight ◽  
High Performance ◽  
Descriptive Study ◽  
Performance Level ◽  
Kinetic Characteristics ◽  
Average Value ◽  
Maximal Force ◽  
Cross Country ◽  
High Performance Level

The contribution is the descriptive study which is dealing with the basic kinetic characteristics of main cross country ski skating techniques. We observed and analysed the leg force during the stroke for open fi eld skating or V1 and V2 skating. Next we studied the time of the stroke (kick). Th e measurement was made with the help of the system Pedar [Novel, GER]. Our observed group created the high performance level competitors, who`s placed till 25th in the SLCR ranking. We found out the various fi gures of maximal force for both technique, usually higher for open fi eld and V1 technique than for V2 skating, the higher force during the skating on the fl at terrain than on the slope for training and race speed. Th e average value of maximal force on the fl at terrain during open fi eld or V1 skating were 1,2 – 1,5 multiple of body weight (BW), for V2 skating we found 1,1 – 1,4 (BW). In the uphill the value were 1,2 – 1,4 (BW) for open fi eld or V1 skating and 1 – 1,2 (BW) for V2.

scholarly journals Análisis de la velocidad adoptada en corredores de Maratón (Analysis of the pacing strategies used by Marathon runners)

Retos ◽  
2018 ◽  
pp. 156-159
Author(s):  
José Joaquín Díaz-Martín ◽  
Eduardo J. Fernández-Ozcorta ◽  
Pablo Floría ◽  
Jordan Santos-Concejero
Keyword(s):  
Environmental Conditions ◽  
Final Section ◽  
Performance Level ◽  
Marathon Runners ◽  
Men And Women ◽  
Pacing Strategy ◽  
Athletic Status ◽  
Pacing Strategies ◽  
And Performance

El propósito de este estudio fue analizar la influencia del nivel de rendimiento y sexo sobre los ritmos de carrera adoptados por atletas en tres maratones con perfiles muy parecidos en cuanto a recorrido y condiciones ambientales. Se analizaron 14420 atletas, 13387 hombres y 1034 mujeres. Los resultados indicaron que existían diferencias entre sexos en todos los tramos. Asimismo, hubo diferencias entre grupos con diferentes niveles de rendimiento, tanto en hombres como en mujeres. También se encontraron diferencias en las velocidades de cada tramo entre los diferentes ritmos empleadas en ambos sexos (54% hombres y 50% mujeres), siendo las mayores diferencias encontradas entre el primer y último tramo. Por lo general, el ritmo más utilizado durante la competición es aquel en que el atleta ralentiza su velocidad en el transcurso de los 42km. Este estudio ha demostrado que independientemente del sexo y el rendimiento, los atletas adoptan en su gran mayoría un ritmo positivo para completar un maratón. Abstract: The purpose of this study was to analyze the influence of gender and athletic status on race pacing strategies used by runners in three marathons with similar profiles in terms of itinerary and environmental conditions. A total of 14420 athletes were analyzed, 13387 men and 1034 women. The results indicated that there were pacing differences between men and women in all sections. Furthermore, differences between groups of different athletic status in both men and women were observed. The biggest differences were found in the first and the final section. In general, the pacing strategy that athletes used the most (54% in men and 50% in women) was positive. This study shows that regardless of gender and performance level, the majority of athletes adopt a positive pacing strategy to complete a marathon.

Peak Age and Relative Performance Progression in International Cross-Country Skiers

2021 ◽  
pp. 1-6
Author(s):  
Jacob Walther ◽  
Roy Mulder ◽  
Dionne A. Noordhof ◽  
Thomas A. Haugen ◽  
Øyvind Sandbakk
Keyword(s):  
Sex Difference ◽  
Goal Setting ◽  
Individual Performance ◽  
Performance Level ◽  
Relative Performance ◽  
Performance Trends ◽  
Top Performers ◽  
World Class ◽  
Cross Country Skiing ◽  
Cross Country

Purpose: To quantify peak age and relative performance progression toward peak age in cross-country skiing according to event type, sex, and athlete performance level. Methods: International Ski Federation (FIS) points (performance expressed relative to the best athlete) of athletes born between 1981 and 1991, competing in junior world championships or finishing top 30 in world championships or Olympics, were downloaded from the FIS website. Individual performance trends were derived by fitting a quadratic curve to each athletes FIS point and age data. Results: Peak age was 26.2 (2.3) years in distance and 26.0 (1.7) years in sprint events. The sex difference in peak age in sprint events was ∼0.8 years (small, P = .001), while there was no significant sex difference in peak age in distance events (P = .668). Top performers displayed higher peak ages than other athletes in distance (mean difference, ±95% confidence limits = 1.6 y, ±0.6 y, moderate, P < .001) and sprint events (1.0, ±0.6 y, moderate, P < .001). FIS point improvement over the 5 years preceding peak age did not differ between event types (P = .325), while men improved more than women in both events (8.8, ±5.4%, small, P = .002 and 7.5, ±6.4%, small, P = .002). Performance level had a large effect on improvement in FIS points in both events (P < .001). Conclusion: This study provides novel insights on peak age and relative performance progression among world-class cross-country skiers and can assist practitioners, sport institutions, and federations with goal setting and evaluating strategies for achieving success.

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