Athletes during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043628

Athletes during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043627

Athletes during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043626

Athletes during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043625

Athletes during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043624

Athletes during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043623

Athletes during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043622

Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043621

Alexei Chervotkin (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043620

From left: Alexei Chervotkin (Russia) and Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043619

From left: Alexei Chervotkin (Russia) and Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043618

From left: Alexei Chervotkin (Russia) and Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043613

From left: Alexei Chervotkin (Russia) and Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043611

Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043609

Alexei Chervotkin (Russia), 3rd left, during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043607

Center: Alexei Melnichenko (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043606

Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043605

Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043604

Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043602

Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043601

Alexei Chervotkin (Russia) after finishing the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043600

From left: Alex Harvey (Canada) and Sergei Ustyugov (Russia) after finishing the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043598

From left: Alex Harvey (Canada), Sergei Ustyugov (Russia) and Matti Heikkinen (Finland) at the finish of the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043597

From left: Alex Harvey (Canada), Sergei Ustyugov (Russia) and Matti Heikkinen (Finland) at the finish of the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043590

From left: Alex Harvey (Canada), Sergei Ustyugov (Russia) and Matti Heikkinen (Finland) at the finish of the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043589

Pyotr Sedov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043586

Pyotr Sedov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043584

Pyotr Sedov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043583

Alex Harvey (Canada), gold medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043570

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043569

Russian sports fans during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043568

Alex Harvey (Canada), gold medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043566

Alex Harvey (Canada), gold medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043564

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043562

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, after the medal ceremony.

05.03.2017#3043561

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, after the medal ceremony.

05.03.2017#3043560

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, after the medal ceremony.

05.03.2017#3043559

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, after finishing the race.

05.03.2017#3043557

Medalists in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony, from left: silver medalist Sergei Ustyugov (Russia), gold medalist Alex Harvey (Canada), and bronze medalist Matti Heikkinen (Finland).

05.03.2017#3043554

Medalists in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony, from left: silver medalist Sergei Ustyugov (Russia), gold medalist Alex Harvey (Canada), and bronze medalist Matti Heikkinen (Finland).

05.03.2017#3043551

Medalists in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony, from left: silver medalist Sergei Ustyugov (Russia), gold medalist Alex Harvey (Canada), and bronze medalist Matti Heikkinen (Finland).

05.03.2017#3043547

Medalists in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony, from left: silver medalist Sergei Ustyugov (Russia), gold medalist Alex Harvey (Canada), and bronze medalist Matti Heikkinen (Finland).

05.03.2017#3043545

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043544

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043542

Alex Harvey (Canada), center right, Sergei Ustyugov (Russia), center left, and Matti Heikkinen (Finland) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043530

Alex Harvey (Canada), Sergei Ustyugov (Russia) and Matti Heikkinen (Finland) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043529

From right: Alex Harvey (Canada), Sergei Ustyugov (Russia) and Matti Heikkinen (Finland) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043526

From left: Alex Harvey (Canada) and Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043523

From left: Sergei Ustyugov (Russia) and Martin Sundby (Norway) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043521

Russian sports fans at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043517

Sergei Ustyugov (Russia) during the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043511

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland.

05.03.2017#3043509

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043508

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043506

Sergei Ustyugov (Russia), silver medalist in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony.

05.03.2017#3043504

Medalists in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony, from left: silver medalist Sergei Ustyugov (Russia), gold medalist Alex Harvey (Canada), and bronze medalist Matti Heikkinen (Finland).

05.03.2017#3043494

Medalists in the men's 50km freestyle mass start at the FIS Nordic World Ski Championships 2017 in Lahti, Finland, during the medal ceremony, from left: silver medalist Sergei Ustyugov (Russia), gold medalist Alex Harvey (Canada), and bronze medalist Matti Heikkinen (Finland).

05.03.2017#3043490