"I just try to focus on being centered on the bike," Picard told NBC station WECT-TV during a stop Sunday in Wilmington, N.C.
"I do actually hold on with my stump with just my arm, and I tend to get a lot of stress in the right side," Picard said. "But it's not something I can't do."
Picard's bike has modified brakes — "I use my right knee to apply the brakes," he said — a special gear shift, a drink compartment and other custom devices that help him navigate the roads with the part of his arm that remains.
Picard started biking a few years ago when he took up triathlons. He felt confident running and swimming, but the bike element was a challenge.
"I had to figure out a way to do that and I just got hooked," he said.
Picard has competed in more than 50 triathlons since 1999.
He's chronicling his 1,500-mile, 16-day journey on his website, Don't Stop Living, where he's raising money for the I Will Foundation, a charity that helps physically challenged individuals reach athletic goals.
"This is my journey celebrating 20 years of my accident," Picard told WSVN-TV, adding, "I enjoy what I'm doing. I enjoy competing. I enjoy challenging myself … If I can motivate others, that's great."
A documentary film crew is following Picard's ride.
(Photo from iwillfoundation.com)