Maggie Regan

Maggie Regan is a 33-year-old American pool and open water swimmer and an Assistant Professor of Mathematics at the College of the Holy Cross.

Open Water Swimming Highlights

• She competed in the SCAR Swim Challenge, a 4-day 4-lake stage swim in Arizona on 23-26 April 2025.
• On 23 August 2023, she swam 44.2 km from the Niagara River mouth to Toronto’s Leslie Street Spit across Lake Ontario in 14 hours 8 minutes 47 seconds.
• In June 2024, she completed the 20 Bridges Manhattan Swim in 7 hours 33 minutes 17 seconds.
• In July 2024, she swam the length of Lake Tahoe from Camp Richardson, California to Incline Village, Nevada in 12 hours 17 minutes.

Lago Titicaca Swim Expedition Swimmers, Observers, and Pilots

She participated in the Lago Titicaca Swim Expedition on Lake Titicaca in Bolivia in March 2026.

• On 16 March 2026, the following swimmers completed a 15.2 km unassisted skin swim in 16°F water at 3,811 meters between the shores of Copacabana to the foot of the ruins of the 15th century Temple of the Sun on Lago Titicaca in Bolivia:
  • Dina Levačić (29, Croatia) 5 hours 3 minutes 9 seconds observed by John Zemaitis, piloted by Maximo Mamani
  • Yulia Ovodkova (41, Russia) 7 hours 33 minutes 23 seconds observed by Andrey Bozhko, piloted by Ovidio Mendoza
  • Sarah Roberts (42, USA) 5 hours 58 minutes 42 seconds observed by Joe Zemaitis, piloted by Ismael Mendoza
• On 17 March 2026, the following swimmers completed a 15.2 km unassisted skin swim in 16°F water at 3,811 meters between the shores of Copacabana to the foot of the ruins of the 15th century Temple of the Sun on Lago Titicaca in Bolivia:
  • Sarah Thomas (43, USA]) 4 hours 42 minutes 36 seconds observed by Corey Murphey, piloted by Ismael Mendoza
  • Andrey Bozhko (39, Russia]) 6 hours 7 minutes 15 seconds observed by Yuliya Ovodkova, piloted by Juan Callisaya
  • Ashley Husmoe (18, USA]) 5 hours 54 minutes 48 seconds observed by Joe Zemaitis, piloted by Ovidio Mendoza
• On 18 March 2026, the following swimmers completed a 30.4 km unassisted skin swim in 16°F water at 3,811 meters between the shores of Copacabana to the foot of the ruins of the 15th century Temple of the Sun on Lago Titicaca in Bolivia:
  • Corey Murphey (35, USA) 9 hours 30 minutes 39 seconds observed by Sarah Thomas, piloted by Ovidio Mendoza
  • Joe Zemaitis (45, USA) 11 hours 59 minutes 27 seconds observed by Gerald George, piloted by Ismael Mendoza
• On 18 March 2026, the following swimmers completed a 15.2 km unassisted skin swim in 16°F water at 3,811 meters between the shores of Copacabana to the foot of the ruins of the 15th century Temple of the Sun on Lago Titicaca in Bolivia:
  • Andrew Packer (31, USA) 4 hours 57 minutes 19 seconds observed by Sarah Roberts, piloted by Juan Callisaya
  • Maggie Regan (33, USA) 5 hours 26 minutes 12 seconds observed by John Zemaitis, piloted by Ronald Mamani
• In March 2026, Gerald George, Anel Sytdykova, Kazakhstan and Angelina Calderon attempted a 15.2 km unassisted skin swim in 16°F water at 3,811 meters between the shores of Copacabana to the foot of the ruins of the 15th century Temple of the Sun.

External links

• Swimming at 3,811 meters in the 16°C Waters of Lake Titicaca
• Corey Murphey Reflects On Winning The SCAR Buckle
• How Maggie Regan Is Making Her Mark in Open Water Swimming
• Corey Murphey, Jorge Agudelo Win The SCAR Swim Challenge
• Corey Murphey Moves Into Overall Lead After Day Three at SCAR
• Ildiko Szekely, Corey Murphey Battle It Out Across Canyon Lake on Day Two at SCAR
• Swimplifly Wins Day One at SCAR Swim – Three To Go
• Sara Palacios, Swimming from Quito to Saguaro, Canyon, Apache, and Roosevelt
• Two-time Winner Michael Rice Headlines SCAR Swim 2025