- She completed a record-setting female solo circumnavigation swim around Manhattan Island in September 2011 in 5 hours 44 minutes and 47 seconds in a match race against Oliver Wilkinson of Australia
- She completed a 10-mile world record in the Kingdom Swim in Vermont
- She competed the swims organized by NYC Swim including the Manhattan Island Marathon Swim, Park to Park Swim, Great Hudson River Swim, Liberty Island Swim, Little Red Lighthouse Swim, Brooklyn Bridge Swim, Governors Island Swim, and the Stars & Stripes Aquathlon
- Sh completed and organizes the 120-mile (193 km) 8 Bridges Hudson River Swim down the Hudson River in New York
- She organizes the 28.5-mile (45.8 km) 20 Bridges Circumnavigation Swim of Manhattan on behalf of New York Open Water
- She completed the 23rd annual 25 km St. Vincent's Swim Across the Sound Marathon on 7 August 2010.
- She took the December photo of Lisa Cummins and Terry O’Malley in the 40 Bridges Swim in the Harlem River, New York City in the 2019 Marathon Swimmers Federation photo calendar.
- On 14 June 2019, she did not finish in the 31.8 km The Beast Stage 5 of the 8 Bridges Hudson River Swim in New York.
- On 1 September 2019, she set the 45.9 km Reverse 20 Bridges Swim record in in 11 hours 0 minutes 17 seconds at the age of 49.
2018 World Open Water Swimming Woman of the Year Nomination
She was nominated for the 2018 World Open Water Swimming Woman of the Year by the World Open Water Swimming Association: Dr. Rondi Davies is an accomplished marathon swimmer who holds the women's record around Manhattan Island (5 hours 44 minutes). She and David Barra and Alex Arévalo manage New York Open Water and its 20 event days when the 2 Bridges Swim, 8 Bridges Hudson River Swim, 20 Bridges Manhattan Island Swim, 40 Bridges Swim, Spuyten Duyvil 10K, Ederle Burke Swim, and Terry Laughlin Celebration Swim are held. Davies handles the micro and macro details of these events behind the scenes from choosing dates to modeling each circumnavigation and river swim, securing permits, coordinating volunteers, and innumerable other responsibilities. She spends every event day on the water keeping trackers running and recording data and is always looking to improve on the accuracy of the event timelines. For utilizing her disciplined, scientific mind to enable and organize smoothly run, professionally managed events, for tirelessly ensuring that each swimmer has an enjoyable, safe experience, for utilizing her own personal successes to replicate similar successful swims by hundreds of other swimmers in the New York Open Water calendar, Dr. Rondi Davies of the USA is a worthy nominee for the 2018 World Open Water Swimming Woman of the Year.
2017 World Open Water Swimming Offering of the Year Nominees
1. 48 Braçades by Miquel Suñer (Spain)
2. Blue Journey Dangerous Waves Project by Bruckner Chase (USA)
3. Global Swim Series by Rob Kent & Dylan Kent (Canada)
4. LongSwimsDB by Evan Morrison (USA)
5. New York Open Water by David Barra, Rondi Davies & Alex Arévalo (USA)
6. Open Water Swim Academy by Dan Simonelli (USA)
7. Outdoor Swimmer by Simon Griffiths (Great Britain)
8. Sea Donkey with Adrian Sarchet (Guernsey)
9. Shark Bait by Dr. Seán O’Connell (Bermuda)
10. Swim Argentina by Matías Ola (Argentina)
11. The Channel of Bones with Toni Enderli (South Africa)
12. Travessia do Leme ao Pontal by Adherbal de Oliveira & Renato Ribeiro Barbosa (Brazil)
2017 World Open Water Swimming Offering of the Year Nomination
New York Open Water has rapidly stamped and shared its vision on the marathon swimming world. The event management entity has taken the energy and opportunities of the defunct NYC Swim to a new level. David Barra, Rondi Davies and Alex Arévalo built upon the Manhattan Island Marathon Swim and other established swims around New York City – and extended and strengthened the opportunities to swim around, in and near the Big Apple. From the nearly impossibly long 91.8 km 40 Bridges Double Manhattan Island Swim to the most definitely long 193 km 8 Bridges Hudson River Swim, the passionate trio has built a solid foundation of races for the world’s most extreme marathon swimmers. For reviving and expanding the Manhattan Island Marathon Swim as the 20 Bridges event, for creating and hosting the longest solo marathon swims and stage swims in the world, for attracting swimmers from around the world to New York, New York Open Water is a worthy nominee for the 2017 World Open Water Swimming Offering of the Year.