ISTANBUL, TURKEY - NOVEMBER 03: A baby crawls during the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet Bolat - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: People attend the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet Bolat - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: A mascot is seen during the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet Bolat - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: People attend the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet Bolat - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet Bolat - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet Bolat - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet Bolat - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet Bolat - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: A drone photo shows that participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Muhammed Enes Yıldırım - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: A drone photo shows that participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Muhammed Enes Yıldırım - Anadolu Agency )

The world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019.Agency )

The world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019.

The world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019.

The world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019.

ISTANBUL, TURKEY - NOVEMBER 03: An aerial view of participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( İsa Terli - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: A drone photo shows that participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Muhammed Enes Yıldırım - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Turkish Youth and Sports Minister Mehmet Muharrem Kasapoglu (3rd R), Istanbul Mayor Ekrem Imamoglu (3rd L), Governor of Istanbul, Ali Yerlikaya give the start signal for the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet İzgi - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Turkish Youth and Sports Minister Mehmet Muharrem Kasapoglu (C) makes soldier salute with national athletes as he visits "July 15 Martyrs' Memorial" ahead of the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Ahmet İzgi - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in wheelchair category within the Vodafone 41th Istanbul Marathon, the world's only intercontinental marathon, that held by Spor Istanbul, a subsidiary of Istanbul Metropolitan Municipality in Istanbul, Turkey on November 03, 2019. ( Esra Bilgin - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants start to compete in wheelchair category within the Vodafone 41th Istanbul Marathon, the world's only intercontinental marathon, that held by Spor Istanbul, a subsidiary of Istanbul Metropolitan Municipality in Istanbul, Turkey on November 03, 2019. ( Esra Bilgin - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants start to compete in wheelchair category within the Vodafone 41th Istanbul Marathon, the world's only intercontinental marathon, that held by Spor Istanbul, a subsidiary of Istanbul Metropolitan Municipality in Istanbul, Turkey on November 03, 2019. ( Esra Bilgin - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in wheelchair category within the Vodafone 41th Istanbul Marathon, the world's only intercontinental marathon, that held by Spor Istanbul, a subsidiary of Istanbul Metropolitan Municipality in Istanbul, Turkey on November 03, 2019. ( Esra Bilgin - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Muhammed Gencebay Gür - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Muhammed Gencebay Gür - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Muhammed Gencebay Gür - Anadolu Agency )

ISTANBUL, TURKEY - NOVEMBER 03: Participants compete in the world's only intercontinental marathon 'Vodafone 41st Istanbul Marathon' in Istanbul, Turkey on November 03, 2019. ( Muhammed Gencebay Gür - Anadolu Agency )