Pyeongchang, South Korea - Olga Zaitseva of Russia clinched her second gold medal in as many days when she won the women's 12.5-kilometre mass start race on the final day of the biathlon world championships in Pyeongchang Sunday.

Zaitseva, who won with the Russian 4 x 6-kilometre relay team on Saturday missed the target twice on the way to a winning time of 34 minutes 18.3 seconds.

It was the first individual gold medal for 30-year-old Zaitseva at a major championship but her fourth medal in Pyeongchang after the relay gold and bronze medals in the pursuit and sprint races.

Pyeongchang, South Korea  - Ole Einar Bjoerndalen won his third gold medal at the biathlon world championships with victory in the 20-kilometre individual race in Pyeongchang on Tuesday.

The 35-year-old Norwegian crossed the line 14.1 seconds ahead of Christoph Stephan of Germany, with Jakov Fak of Croatia clinching bronze.

Bjoerndalen, already the most successful biathlete in the history of the world championships, now has a record 87 World Cup wins in ski sport, one more than Sweden's Ingemar Stenmark in alpine skiing.

Pyeongchang, South Korea - The result of Sunday's chaotic men's pursuit race at the biathlon world championships in Pyeongchang could be contested in front of the Court of Arbitration for Sport (CAS), Russian media said on Monday.

The appeal jury of the sport's controlling body IBU on Sunday changed an earlier decision by race organizers to penalize the race winner Ole Einar Bjoerndalen and several other biathletes for leaving the track early in the race.