Photos: Dog sled derby mushes through Czech Republic

From Jan. 20-24, racers from all over Europe are taking part in the 2015 Sedivackuv Long dog sled race in the Orlicke mountains near the Czech-Polish border.

A musher rides his dog sled during a stage of the Sedivackuv Long dog sled race in Destne v Orlickych horach January 23, 2015. Each year, racers from all over Europe arrive at the village of Destne in the Orlicke mountains in Czech Republic to take part in the race . REUTERS/David W Cerny (CZECH REPUBLIC - Tags: ANIMALS SPORT TPX IMAGES OF THE DAY) - RTR4MNL4

A musher rides his dog sled during a stage of the Sedivackuv Long dog sled race in Destne v Orlickych horach on Jan. 23. Each year, racers from all over Europe arrive at the village of Destne in the Orlicke mountains in Czech Republic to take part in the race. Photo by David W. Cerny/REUTERS

The four-day race with 88 mushers and 500 dogs is the longest dog sled race in the Czech Republic and one of the most challenging races of its kind in Europe.

Dogs rest during the Sedivackuv Long dog sled race in Destne v Orlickych horach January 23, 2015. Each year, racers from all over Europe arrive at the village of Destne in the Orlicke mountains in Czech Republic to take part in the race.  REUTERS/David W Cerny (CZECH REPUBLIC  - Tags: ANIMALS SPORT) - RTR4MNLM

Dogs rest during the Sedivackuv Long dog sled race in Czech Republic. Photo by David W. Cerny/REUTERS

The 222 kilometer-long course (just over 137 miles) is held in stages along the ridges of the Orlické Mountains in the Czech Republic, according to the Czech Tourist Authority.

A dog rests during the Sedivackuv Long dog sled race in Destne v Orlickych horach January 23, 2015. Each year, racers from all over Europe arrive at the village of Destne in the Orlicke mountains in Czech Republic to take part in the race. REUTERS/David W Cerny (CZECH REPUBLIC - Tags: ANIMALS SPORT) - RTR4MNLA

Dogs rest during the Sedivackuv Long dog sled race in Czech Republic. Photo by David W. Cerny/REUTERS

A musher greets his dog during a break in a stage of the Sedivackuv Long dog sled race in Destne v Orlickych horach January 22, 2015. Each year, racers from all over Europe arrive at the village of Destne in the Orlicke mountains in Czech Republic to take part in the race. Picture taken January 22, 2015. REUTERS/David W Cerny (CZECH REPUBLIC - Tags: ANIMALS SPORT) - RTR4MNKH

A musher greets his dog during a break in a stage of the Sedivackuv Long dog sled race in Destne v Orlickych horach on Jan. 22. Photo by David W. Cerny/REUTERS

A dog rests during a break in a stage of the Sedivackuv Long dog sled race in Destne v Orlickych horach, January 22, 2015. Each year, racers from all over Europe arrive at the village of Destne in the Orlicke mountains in Czech Republic to take part in the race. Picture taken January 22, 2015. REUTERS/David W Cerny (CZECH REPUBLIC - Tags: ANIMALS SPORT) - RTR4MNKR

Dogs rest during the Sedivackuv Long dog sled race in Czech Republic. Photo by David W. Cerny/REUTERS

A musher rides his dog sled during a stage of the Sedivackuv Long dog sled race in Destne v Orlickych horach January 23, 2015. Each year, racers from all over Europe arrive at the village of Destne in the Orlicke mountains in Czech Republic to take part in the race . REUTERS/David W Cerny (CZECH REPUBLIC - Tags: ANIMALS SPORT) - RTR4MNLN

A musher rides his dog sled during a stage of the Sedivackuv Long dog sled race in Destne v Orlickych horach on Jan. 23. Photo by David W. Cerny/REUTERS