Fastest marathon running backwards (male)

Fastest marathon running backwards (male)
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Who
Xu Zhenjun
What
3/43/39 hour(s):minute(s):second(s)
Where
China (Beijing,)
When
17 October 2004
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.
Xu Zhenjun (China) ran the fastest backwards marathon by completing the Beijing International Marathon, China in a time of 3 hr 43 min 39 sec on 17 October 2004.