Date of Birth: 
About Joseph Maregu
- Joseph Nganga Maregu (born 22 November 1977) is a Kenyan long-distance runner who competes in road running events from 10K to the marathon.
- A journeyman competitor on the roads, he made only one international appearance at the 2008 IAAF World Half Marathon Championships, taking ninth place and a team gold medal with Kenya.Active between 2004 and 2014, he initially focused on 10K and half marathon races and won a number of low level French competitions.
- His highest standard victories came at the Lille Half Marathon (2006 and 2007) and the Paris Half Marathon (2007).
- His lifetime best of 59:45 minutes came during his second win in Lille.
- He ran his first marathon in Kenya in 2006, but his debut time of 2:24:18 hours was slow.
- He turned to marathon running proper in 2009, taking third at the Vienna City Marathon in a time of 2:09:25 hours.
- This was to be his best however and in five subsequent outings he did not better two hours and ten minutes.
- He had his last road win in 2010 at the Olomouc Half Marathon.
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