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Mark Bosworth Missing Person Case

Last seen in Riddle, Oregon on Sep 16, 2011

Victim Details

Sep 19, 2011

Jan 05, 2024

Mark

Bosworth

68

54

72 inches

180 lbs

White / Caucasian

Male

Sep 16, 2011

Riddle

Oregon

Douglas County

No

10779

Douglas County Sheriff's Office

Roseburg

Oregon

Douglas County

97470

Brad O'Dell

Sergeant

1036 Southeast Douglas Avenue, Oregon

5414404450

County

Law Enforcement

https://www.dcso.com/

11-3534

2011-09-17

Douglas County Sheriff's Office

Gray or Partially Gray

Blue

Blue

08/02/2026


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Case Description

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In the late hours of September 16, 2011, 54-year-old Mark Lawrence Bosworth, a husband and father of two from the Portland area, vanished into the night from the small town of Riddle, Oregon. He was volunteering at the popular Cycle Oregon bicycle tour, an event he had been a part of for several years. Friends last saw him around 11:00 p.m. near Riddle High School, where the event's campsite was located. He mentioned he was heading to his tent for the night but never arrived. Left behind we ...
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Last Seen: Sep 16, 2011

Links to Additional Sources (11)

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  • Missing Person / NamUs #MP12337
  • Cycle Oregon volunteer Mark Bosworth vanished 5 years ago
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    Forum Posts (1)

    I've been following the Mark Bosworth case for a while, and I find it really puzzling how there's be... ...Read More
    03/02/2023
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