World marathon record holder Eliud Kipchoge on Monday let the country for  Viena, Austria, where he is expected to take part in the INEOS 1:59 challenge.

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In the challenge, Kipchoge is expected to run 42kms in less than 2 hours.

In a bid to help Kipchoge beat his 2018 Berlin marathon record of 2:01:39 hours, he has a team of six experts to guide him through. 

Here are the six experts Eliud Kipchoge has been working with ahead of the challenge:

1. Patrick Sang (Lead Coach)

He is a former Kenyan athlete who won various medals for the country. He represented Kenya at the World Championships in 1991 and 1993, and at the Olympics in 1992. 

He started coaching in 1995 and started working with the marathoner in the same year.  

2. Peter Nduhiu (Physiotherapist)

He is Kipchoge's main physiotherapist. He works at the Global Sports Communication (GSC) camp in Kaptagat. 

He met Kipchoge in 2004 while preparing for the Olympic games. 

3. Armand Bettonviel (Nutrition Expert)

He has expert knowledge in physiology, exercise and nutrition. 

Armand has been working with Kipchoge to keep his metabolism in shape.  

4. Peter Vergouwen (Physician)

He is a sports physician who studied physical education and sports medical career. 

He is tasked with keeping Kipchoge healthy and physically fit during the race.

Other experts are;  Valentijn Trouw and Jos Hermens of the Global Sports Communication who have been instrumental in nurturing Kipchoge's career.