Ivan Golubkov of Russia achieved his fourth gold medal at the Para Nordic Skiing World Cup in Finsterau in Germany.
Golubkov has already won three gold medals in the men's sitting discipline, managing his fourth in the sprint cross-country event.
He triumphed in 12min 17.7sec, finishing in front of Cristian Westemaier Ribera of Brazil in 12:55.6 and fellow Russian Aleksandr Davidovich in 12:58.2.
There was an all-Russian podium in the men's standing race, with Vitalii Malyshev triumphing in 19:21.4.
Vladislav Lekomtsev was second in 19:25.5, while Rushan Minnegulov came third in 19:58.1.
Anna Panferova was another athlete to claim a fourth gold medal, topping the podium in the women's visually impaired race.
She recorded a time of 22:49.3, beating compatriot Vera Khlyzova in 23:42.8 and Sviatlana Sakhanenka of Belarus in 23:57.6.
Without a doubt! In absence of her main rival @OksanaMasters, Kendall Gretsch got an easy victory on a cloudy Friday morning. @USParaNordic ?— Para Snow Sports (@ParaSnowSports) February 7, 2020
Women CC 5km, sitting:
? Kendall Gretsch??
? Irina Guliaeva??
? Marta Zainnulina??#ParaNordic #ParaSnowSports #Finsterau2020 pic.twitter.com/lyI2ONCDIu
Zebastian Modin of Sweden was the gold medallist in the men's visually impaired contest, winning in 18:50.0.
Stanislav Chokhlaev and Aleksandr Artemov of Russia took silver and bronze in 19:57.0 and 19:58.1 respectively.
American Paralympic champion Kendall Gretsch triumphed in the women's sitting race with a time of 14:11.0, with a Russian duo again completing the podium.
Irina Guliaeva was second in 15:05.6 and Marta Zainullina was third with 15:06.8.
Vilde Nilsen was the final victor of the day in the women's standing race, finishing in 23:57.6.
Ukraine's Oleksandra Kononova and Yuliia Batenkova-Bauman were second and third in 24:44.1 and 24:55.5.
Competition concludes tomorrow with the middle distance cross-country races.