Lenzerheide, SUI (TdS) pre-competition facts

Therese Johaug once won a Tour de Ski stage in Lenzerheide, the 15km classic style on 2 January 2016.

Johaug has won each of the last four individual World Cup races in which she started

Johaug has won five of the eight individual World Cup events this season, including two stages and the overall standings in the 3-Days Tour. No other woman has won more than one individual World Cup race this season.

Heidi Weng has not won an individual World Cup race since the 9km pursuit in the Tour de Ski on 7 January 2018. She has started in 34 individual World Cup races since that victory, claiming five podium finishes, including in each of her last three starts (2nd, 3rd, 2nd).

This season, Weng has finished in the top-three three times in individual World Cup races, equal to Jessica Diggins. Only Therese Johaug (4) has claimed more podium finishes.

Weng has claimed four podium finishes in individual World Cup events in Lenzerheide, but she has yet to win here (G0-S2-B2).

Jessica Diggins has won two stages in the Tour de Ski, both 5km freestyle events in Toblach, in 2015/16 and in 2016/17.

Diggins has finished on the podium of an individual World Cup event in Lenzerheide once, a third place in the 10km pursuit freestyle on 1 January 2018, behind winner Ingvild Flugstad Østberg and Heidi Weng.

Ingvild Flugstad Østberg won the last two individual World Cup events in Lenzerheide, both in the 2017/18 Tour de Ski.

Flugstad Østberg has won 10 Tour de Ski stages in total, one behind Therese Johaug (11) and Marit Bjørgen (11). Justyna Kowalczyk has won a record 14 stages.

Krista Pärmäkoski can become the first Finnish winner of a stage in the Tour de Ski since Kerttu Niskanen's victory in the 10km classic in Lenzerheide on 1 January 2014.

Jonna Sundling will make her debut in the Tour de Ski. Her two wins and six podium finishes in individual World Cup races all came in sprint events.

Charlotte Kalla won the Tour de Ski trophy in 2007/08. Her last World Cup win was the overall standings of the 3-Days Tour in November 2017.

Alexander Bolshunov is hoping to claim his second Tour victory after the 2017/18 World Cup Final.

Bolshunov, first in this season's distance World Cup standings, has won eight World Cup events (including Tour stages and overall Tour wins). Six of his eight wins came in distance events.

No athlete has won more distance World Cup events since the start of the 2017/18 season than Bolshunov (6, Johannes Høsflot Klæbo also 6).

Emil Iversen, second in the distance World Cup standings, has yet to claim his first Tour victory (3-Days Tour, Tour de Ski, World Cup Final, Ski Tour Canada). His best result in the Tour de Ski was a 10th-place finish on his debut in 2015/16.

Iversen and Sergey Ustiugov are the only athletes to have won at least one stage in each of the last two editions of the Tour de Ski.

Iversen can become the third athlete from Norway to win a Tour de Ski stage in three consecutive editions after Petter Northug (8 in a row) and Martin Johnsrud Sundby (3).

Defending champion Johannes Høsflot Klæbo can become only the second athlete to win the Tour de Ski in consecutive seasons after Dario Cologna in 2010/11 and 2011/12.

Klæbo can become the fourth man to win multiple editions of the competition after Cologna (4), Bauer (2) and Martin Johnsrud Sundby (2).

With 31 World Cup wins, Klæbo is in fourth place all-time (including Tour stages and overall Tour wins). Only Petter Northug (47), Bjørn Dæhlie (46) and Sundby (44) have won more World Cup events.

Dario Cologna is the only man from Switzerland to have won a Tour de Ski stage on home snow. Both of his victories were the 15km classic and freestyle events in Lenzerheide in 2017/18.

Only Petter Northug (13) has won more Tour de Ski stages than Cologna (7), Sundby (7) and Sergey Ustiugov (7).

Ustiugov, winner of the 2016/17 Tour de Ski, is the only man to have won at least one stage in each of the last three editions of the Tour de Ski.

Stina Nilsson has won three of the last four sprint events in the Tour de Ski.

Nilsson can become the first woman to win four sprint events in the Tour de Ski. Marit Bjørgen, Arianna Follis and Petra Majdic also each won three sprint events.

Maiken Caspersen Falla (G20-S17-B12) can claim her 50th podium finish in an individual sprint World Cup event, second most behind Bjørgen (60).

Falla's only sprint victory in the Tour de Ski was in Lenzerheide on 1 January 2016 (freestyle).

Ingvild Flugstad Østberg has won one sprint race in the Tour de Ski, in Lenzerheide on 31 December 2013 (freestyle).

Jonna Sundling won the most recent individual sprint World Cup event, in Planica on 21 December.

Sundling has claimed five podium finishes in individual World Cup sprint events since the start of last season. Only Stina Nilsson (8) and Maika Caspersen Falla (6) have more top-three finishes in this period.

Sophie Caldwell finished on the podium three times in sprint events in the Tour de Ski, including a win in Oberstdorf on 5 January 2016.

Russia and Finland have yet to claim a podium finish in a sprint event in the Tour de Ski.

Johannes Høsflot Klæbo won both sprint events in last season's Tour de Ski, in Toblach on 27 December 2018 and in Val Müstair on 1 January 2019 (both freestyle).

Klæbo has reached the podium in 20 of his last 21 sprint World Cup appearances, with the only exception in that run his 11th place finish in Lillehammer in November 2018.

Klæbo has won each of his last seven appearances in sprint World Cup events in the freestyle.

Lucas Chanavat can become the first skier other than Johannes Høsflot Klæbo to win back-to-back individual sprint World Cup events since Sergey Ustiogov in December 2016.

Chanavat has eight podium finishes in individual World Cup events (including Tour stages), all in the sprint freestyle.

Federico Pellegrino has won 13 career sprint World Cup events, joint-third most all-time along with Ola Vigen Hattestad. Only Emil Jönsson (16) and Johannes Høsflot Klæbo (18) won more.

Twelve of Pellegrino's 13 sprint World Cup victories came in the freestyle.

Pellegrino is the only athlete to have won an individual sprint World Cup event in each of the previous five seasons (2019/20 not included).

Sergey Ustiugov won the opening sprint event in two of the last three editions of the Tour de Ski, including in 2016/17 when he went on to claim the overall title.