Sydne Didier is a long-time open water swimmer who trains with the UMAMA Masters Team based at UMASS Amherst.

She is a U.S. Masters Swimming Levels One and Two Certified Coach.

She is a U.S. Masters Swimming Adult Learn-To-Swim (ALTS) certified instructor.

She is a Swim Speed Secrets Certified Coach.

Sydne is a certified lifeguard and trained in infant, child and adult CPR.

She is certified in Wilderness First Aid through the Solo Schools of Wilderness Medicine.

She is also a member of the Town of Amherst Community Emergency Response Team (CERT).