Question: What is the given name of the American ultrarunner from Boulder, Colorado who started the Ultra Caballo Blanco?

Context paragraphs:
Zane: Zane is a surname which was popularized as a given name through the popular American writer Zane Grey.  Grey's given name was Pearl but he instead adopted his middle name, from his mother's family name, as a pen name.

Elmer: Elmer is a name of Germanic British origin.  The given name originated as a surname, a medieval variant of the given name Aylmer, derived from Old English "æþel" (noble) and "mær" (famous).  It was adopted as a given name in the United States, "in honor of the popularity of the brothers Ebenezer and Jonathan Elmer, leading supporters of the American Revolution."  The name has fallen out of popular use in the last few decades and it is uncommon to find Elmers born after World War II.  The name is common in the United States and Canada.

Ultramaraton Caballo Blanco: Started by Micah True (The legendary Caballo Blanco), the Ultra Caballo Blanco (also known as Copper Canyon Ultramarathon or CCUM) is now produced by Fuego y Agua Events LLC.  and directed by Mas Locos and ultrarunners, Maria Walton and Josue Stephens.

DJ Frank E: Justin Franks, also known as DJ Frank E, is an American DJ and record producer from Denver, Colorado.  Frank E first started producing music in his college bedroom in 2002 and later progressed to producing remixes in 2003.  He began his DJ career in 2001 after getting inspired by DJ Petey, who was playing Dave Fogg's white label mashup "Closer in Da Club" at The Foundry in Boulder, Colorado.  With the help of DJ Petey, Frank E began DJing in clubs in Boulder, CO.  Petey introduced Frank E to all aspects of DJing and hip hop culture, as well as introducing him to many important members of the Colorado music scene including studio owner (and later manager) Adelio Lombardi, DJ Chonz (founder of the Radiobums Crew), DJ Bedz (official DJ for the Denver Nuggets and Denver Broncos), and DJ Psycho (chef extraordinaire).

Oriol: Oriol (] , ] ) is a Catalan name, which can be found as a given name or a surname.  It derives from the Latin word "aureus" (golden).  It was originally just a surname, but started to be used as a given name in honour of Saint Joseph Oriol.  It may refer to:

Middle name: In several cultures, people's names usually include one or more names in addition to the portion that is usually considered adequate to identify them.  In a number of cultures where a given name is expected to precede the surname, such a name is likely to be placed after the given name and before the surname, and thus called a middle name.  In English-speaking American culture, that term is often applied (arguably mistakenly) to names, occupying that position, even if the bearer would insist that that name is being mistakenly called a "middle name", and is actually (to mention several types of atypical cases):

Kevin G. Welner: Kevin G. Welner is Director of the National Education Policy Center located at the University of Colorado at Boulder.  He is also a professor of education policy at the University of Colorado at Boulder School of Education.  He has authored or edited seven books and more than 80 articles and book chapters concerning education policy and law.  These publications include "Think tank research quality: Lessons for policymakers, the media, and the public" (2010, with Pat Hinchey, Alex Molnar and Don Weitzman); "NeoVouchers: The emergence of tuition tax credits for private schooling" (2008); "Legal rights, local wrongs: When community control collides with educational equity" (2001); and "Education policy and law: Current issues (with Wendy Chi, 2008)".  He is a Fellow of the American Educational Research Association and had received that organization's Early Career Award in 2006 and its Palmer O. Johnson Award in 2005.  The award was given for the article, "Rethinking Expert Testimony in Education Rights Legislation."  He also received the Rockefeller Foundation's Bellagio Residency, and the NAEd/Spencer Post-Doctoral Fellowship.  He received his B.A. in Biological Sciences from University of California Santa Barbara and his J.D. and Ph.D. from UCLA.

Tatar name: A Tatar personal name, being strongly influenced by Russian tradition, consists of two main elements: isem (given name) and familia (family name), and also patronymic.  Given name was traditional for Tatars for centuries, family name appeared in the end of the 19th century, when it replaced patronymic.  In fact, usage of family name appeared when Russian scribers gave documents to Tatars.  Later, being adapted to Soviet tradition, Tatars started to use patronymic as third element, especially in informal communication.

Jaelyn: Jaelyn or Jaelynn, and its masculine equivalent, Jaylin, is an American given name.  The meaning of the name Jaelyn is supplanter, and the origin of the name is American.  It is a contraction of the female given name Jacqueline (] , ).

Micah True: Micah True (November 10, 1953 – March 27, 2012), born Michael Randall Hickman and also known as Caballo Blanco (white horse), was an American ultrarunner from Boulder, Colorado, who received attention because of his depiction as a central character in Christopher McDougall's book "".  True's inclusion in the book garnered him some attention in ultrarunning circles, and some readers credited him as their inspiration for taking up the sport.

Supporting paragraphs: Ultramaraton Caballo Blanco Micah True
Answer: Michael Randall Hickman