At the 2013 Cycle Oregon Kickoff Party on Tuesday, Feb. 5, family and friends of Mark Bosworth will launch a fund in his name that will send fellow cyclists to Cycle Oregon, a yearly event near and dear to Mark's heart.

The 25th annual Cycle Oregon ride is under way and those who loved a man who disappeared during last year's event are working to keep his memory alive.

Mark Bosworth, 54, vanished Sept. 16 while he was on a seven-day bicycle tour along scenic roads in Oregon.

The Sheriff's Office is asking hunters to be on the lookout for Mark Bosworth, 54, who went missing during a Cycle Oregon event back on September 16 in Riddle.

In the past two weeks, Mark Bosworth's story has gained international attention, thanks to the people looking for him. A search organizer says social media has made the difference in getting the word out.

The cycling community has been rocked by the disappearance of one of their own and this weekend they'll take to the streets to spread a message of hope.

The family of missing Cycle Oregon volunteer Mark Bosworth said his confusion may be leading him to one of the places from his past.

Cancer survivor and 7-time Tour de France winner Lance Armstrong has asked his over 3 million followers on Twitter and almost 2 million fans on Facebook to join the search for Mark Bosworth, a Cycle Oregon volunteer from Portland who vanished Sept. 16.

Three-time Tour de France winner Greg Lemond has lent his celebrity to the search for a missing Cycle Oregon volunteer from Portland who vanished Sept. 16 in Riddle, Ore.

Family members say they'll continue looking for a 54-year-old Portland man who vanished from the camp of the annual Cycle Oregon tour last weekend.

A spokesperson with the Douglas County Sheriff's Office said the search for Mark Bosworth will conclude Wednesday.

Family, friends and Cycle Oregon volunteers joined in the search for a Portland man who went missing from an event in Riddle last week. Over 50 people from Portland came down to aid in the search.

Cycle Oregon volunteers are coming to Riddle Tuesday, to offer their help in searching for the missing Portland man who disappeared.

Bicyclists and other volunteers from Portland planned to travel south Tuesday to help look for 54-year-old Mark Bosworth. He vanished from a bike tour campsite in Riddle over the weekend.