Dana Vollmer, a former competitive swimmer from the United States, has had a remarkable journey in the world of swimming. Born in 1987, she began swimming at the age of five. Her mother introduced her to the sport early on, having her on a pool deck before she could even walk.

| Season | Event | Rank |
|---|---|---|
| 2016 | Women's 4 x 100m Medley Relay | G Gold |
| 2016 | Women's 4 x 100m Freestyle Relay | S Silver |
| 2016 | Women's 100m Butterfly | B Bronze |
| 2012 | Women's 100m Butterfly | G Gold |
| 2012 | Women's 4 x 100m Medley Relay | G Gold |
| 2012 | Women 4 x 200m Freestyle Relay | G Gold |
| 2004 | Women 4 x 200m Freestyle Relay | G Gold |
| 2004 | Women 200m Freestyle | 6 |
Throughout her career, Vollmer faced several injuries. She tore her ACL in 2001 and sustained back and shoulder injuries during her first year at the University of Florida. In 2013, she was affected by a shoulder injury at the World Championships in Barcelona.
Vollmer resides in Danville, CA, USA with her husband Andy Grant and their two sons, Arlen (born 2015) and Ryker (born 2017). Andy also has a background in swimming, having competed for Stanford University. Vollmer's brother Nick is a third-degree karate black belt and owns a karate studio.
After giving birth to Arlen in February 2015, Vollmer returned to training in May of that year. She went on to win a gold medal with the US 4x100m medley relay team at the 2016 Olympic Games in Rio de Janeiro. Following Ryker's birth in July 2017, she resumed light training by mid-August.
In 2018, Vollmer reached out to Danish swimmer Jeanette Ottesen to explore training together. Ottesen had also become a mother recently and aimed to compete at the 2020 Tokyo Games. Vollmer spent two weeks training with Ottesen in Europe, which rekindled her passion for swimming.
Vollmer announced her retirement in August 2019 at the US Championships. She expressed that it was time to chase new goals and left the sport with a full heart and countless memories.
Post-retirement, Vollmer has taken up motivational speaking. She enjoys hobbies such as woodworking, crafts, interior design, and playing the piano. Her educational background includes a degree in Anthropology from the University of California, Berkeley.
Vollmer's sporting philosophy is driven by her love for swimming and a desire to challenge herself. She looks up to US swimmer Jenny Thompson as her idol.
During her career, Vollmer discovered she had allergies to eggs and gluten after consulting a nutritionist due to fatigue during training.
Dana Vollmer's journey through competitive swimming showcases resilience and dedication. Her story continues to inspire many within and beyond the sports community.
Dana Vollmer, a former competitive swimmer from the United States, has had a remarkable journey in the world of swimming. Born in 1987, she began swimming at the age of five. Her mother introduced her to the sport early on, having her on a pool deck before she could even walk.