（CNN）-An ultra-marathoner trying to"run"from Florida to Bermuda in a human-powered inflatable （充气的） bubble was rescued Saturday morning，after he signaled for help，the Coast Guard said．

Reza Baluchi，according to his website，has set a goal of running across more than 190recognized nations to encourage world peace．

The Coast Guard first encountered Baluchi on Wednesday after receiving a report about a man in a bubble off the coast of Miami，disoriented and asking for directions to Bermuda，a Coast Guard press release said．It was not clear when he started his adventure．

A Coast Guard ship found Baluchi．Officials described the craft as a"hydro pod bubble"and a man in a 2013YouTube video called a Baluchi bubble"a big hamster wheel．"It moved along the ground as Baluchi ran inside．

In the press release，the Coast Guard said Baluchi had protein bars，bottled water，a GPS and a satellite phone．The Coast Guard conveyed the voyage's dangers and asked Baluchi to quit his journey because he didn't have enough supplies．But he wouldn't leave his bubble，officials said．

The Coast Guard monitored his progress and on Saturday morning exhausted Baluchi activated（激活） his personal locating beacon（灯塔），the Coast Guard said．

A Coast Guard airplane and a helicopter，along with the boat Maersk Montana，were sent to rescue Baluchi 70nautical miles east of St．Augustine，the Coast Guard said．

He was exhausted and taken to the Coast Guard air station，where his medical condition was evaluated．There were no reported injuries，the Coast Guard said．

"Part of his effort was to make world peace but he got caught up in the Gulf Stream，"said Coast Guard public affairs specialist Mark Barney．"The chances of muscling out of the Gulf Stream were pretty low．"

Baluchi could not be reached for comment，but a video posted on Baluchi's Facebook page described his plans to travel in the b