13 Bridges

13 Bridges is a 27 km open water swim across St. Petersburg, Russia with a course that goes under the 13 bridges along the Neva River through the entire northern capital of Russia to the Gulf of Finland. It is part of the World's Top 100 Open Water Swimming Relays and part of the Grand Swim Series.

2019 Grand Swim Series Events

1. Swim 24 Swimming Marathon, a 24-hour swim and a 6-hour night swim in a competition pool in St. Petersburg, Russia held in April
2. Kotlin Race Swimming Marathon a 25 km open water swim in Neva Bay in St. Petersburg, Russia held in May
3. Lake Balhash Race, a 32.2 km open water swim across Lake Balkhash in eastern Kazakhstan held between May and September
4. Issyk-Kul Race, a 45 km open water swim across Issyk-Kul in the deep basin of the northeast Kyrgyzstan held between May and September
5. 13 Bridges, a 27 km open water swim along the Neva River through St. Petersburg, Russia to the Gulf of Finland held between June and August
6. Neva Swimming Marathon, a 77 km open water swim in the Neva River to the Gulf of Finland held between June and September
7. Baikal Race, a 35 km open water swim across Lake Baikal in Russia held between July and August
8. Valaam Swimming Marathon, a 20 km open water swim from the island of Putsaari to the island of Valaam in Ladoga Lake, Russia held between July and August