Instagrammer denies accusations that she cheated in half-marathon

Did Johnny Manziel's wife cheat during a half-marathon?

Allegations of improper behavior are being raised by some after Bre Tiesi-Manziel, a fitness Instagrammer, finished the Divas half-marathon in Temecula, California, with record-breaking splits. 

Overall, Tiesi-Manziel completed the 13.1 mile race in 1:58:22, course records show. That's an average 9:06-per-mile pace overall, better than the average woman, but not earth-shattering

It's when you take a closer look at Tiesi-Manziel's splits that have some raising questions. According to course records, she finished the first 6.4 miles in 1:32:14, at a pace of 14:15 per mile. If her finishing time of 1:58:22 is accurate, that means Tiesi-Manziel ran the remaining 6.7 miles of the race at a blistering roughly four minutes per mile, faster than the current world record for just a single mile, which was set by Svetlana Masterkova in 1996. 

Simply put, that's "impossible," said Derek Murphy, founder of MarathonInvestigation.com.

"It's real clear there were some miles missed in there," he told Inside Edition. 

He suggested that Tiesi-Manziel may have cheated for "likes," inflating her achievement for social media glory. 

"... I can definitely see where it's possible she made the wrong turn," he said. "I'm not going to say she intended to cheat but once she crossed the line making those posts, you know, she definitely intended to exaggerate or mislead."

Photos of the 11-mile marker, posted to social media by Tiesi-Manziel as evidence she completed the course as required, could have been easy to fake, Murphy said, as she would have seen it on the first loop and been able to snap a photo then.

Social media sleuths who noticed the discrepancy were quick to rip Tiesi-Manziel apart. 

"She cut the course. Didn't actually run the full race," said one. 

For her part, Tiesi-Manziel is standing by the world-record pace, denying that she cheated and calling the accusations of cheating "sad and pathetic" in a since-deleted Instagram Story. 

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Johnny Manziel since he last appeared in the NFL
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Johnny Manziel since he last appeared in the NFL
LAS VEGAS, NV - MARCH 05: NFL player Johnny Manziel in attendance during the UFC 196 event inside MGM Grand Garden Arena on March 5, 2016 in Las Vegas, Nevada. (Photo by Christian Petersen/Zuffa LLC/Zuffa LLC via Getty Images)
LOS ANGELES, CA - MARCH 09: Cleveland Browns Quarterback Johnny Manziel attends a game between the Los Angeles Kings and the Washington Capitals at STAPLES Center on March 09, 2016 in Los Angeles, California. (Photo by Andrew D. Bernstein/NHLI via Getty Images)
27 December 2015: Cleveland Browns quarterback Johnny Manziel (2) throws a pass during the game between the Cleveland Browns and the Kansas City Chiefs at Arrowhead Stadium in Kansas City, MO. The Chiefs defeated the Browns 17-13. (Photo by James Allison/Icon Sportswire) (Photo by James Allison/Icon Sportswire/Corbis via Getty Images)
PALM SPRINGS, CA - APRIL 17: Johnny Manziel attends REVOLVE Desert House on April 17, 2016 at on April 17, 2016 in Palm Springs, California. (Photo by Thaddaeus McAdams/FilmMagic)
Former Cleveland Browns quarterback Johnny Manziel is shown in this combination police booking photos in Dallas County, Texas, United States on May 4, 2016. Courtesy Highland Park Texas Department of Public Safety/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY
Former Texas A&M and Cleveland Browns quarterback Johnny Manziel makes a court appearance at the Frank Crowley Courts Building on May 5, 2016 in Dallas. Manziel reported to court Thursday for the first time since a Dallas County grand jury indicted him last month on a misdemeanor domestic violence charge. Former girlfriend Colleen Crowley has accused him of kidnapping, hitting and threatening to kill her in January. (Rodger Mallison/Fort Worth Star-Telegram/TNS via Getty Images
LOS ANGELES, CA - JUNE 08: NFL quarterback Johnny Manziel is seen on June 8, 2016 in Los Angeles, California. (Photo by Wilbur/Star Max/GC Images)
LOS ANGELES, CA - SEPTEMBER 19: Johnny Manziel is seen on September 19, 2016 in Los Angeles, California. (Photo by gotpap/Star Max/GC Images)
LOS ANGELES, CA - AUGUST 29: Johnny Manziel is seen on August 29, 2017 in Los Angeles, California. (Photo by gotpap/Bauer-Griffin/GC Images)
LOS ANGELES, CA - JANUARY 24: (L-R) Diana Tran, Nick Tershay and Johnny Manziel attend PUMA X Diamond Supply Launch Event on January 24, 2018 in Los Angeles, California. (Photo by Emma McIntyre/Getty Images for PUMA)
LOS ANGELES, CA - FEBRUARY 14: Johnny Manziel is seen on February 14, 2018 in Los Angeles, California. (Photo by gotpap/Bauer-Griffin/GC Images)
LOS ANGELES, CA - FEBRUARY 17: Johnny Manziel attends ChaCha The Wave And Jamie Foxx Foundation's 1st Annual Charity Celebrity Basketball Game at Private Residence on February 17, 2018 in Los Angeles, California. (Photo by Tara Ziemba/Getty Images)
LOS ANGELES, CA - MARCH 09: Johnny Manziel is seen on March 9, 2018 in Los Angeles, California. (Photo by Hollywood To You/Star Max/GC Images)
LOS ANGELES, CA - MARCH 09: Johnny Manziel is seen on March 9, 2018 in Los Angeles, California. (Photo by Hollywood To You/Star Max/GC Images)
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