The world record-holder over 26.2miles aims to create history in Vienna.
Arguably the greatest marathoner of all time, the Kenyan owns the official world record after posting 2:01:39 at the Berlin Marathon last year.
Kipchoge is perhaps the best candidate in the world to attempt such a historic achievement in breaking the two-hour barrier for the marathon.
Ineos have sponsored the event, which will take place around the 4.3km stretch on the Prater Hauptallee in Vienna, Austria, with 4.4 laps required to complete the marathon distance.
No, there are no other entrants for the challenge (though Jonathan Korir, Augustine Choge and Gideon Kipketer will act as pacemakers), meaning Kipchoge’s attempt will contravene IAAF rules, as there will be 41 athletes providing him with the requisite pace, rotating in and out, as well as protecting him from the wind.
The challenge will take place on Saturday 12 October.
The final start time will be confirmed on Friday, but will be between 5am-9am CEST (4am-8am BST).
Kipchoge prefers the weather to be between seven and 14 C, with humidity beneath 80 per cent, meaning it should start in the early hours of the morning.
Ineos will broadcast the challenge on their official YouTube channel here, meaning it can be live streamed from mobile devices.
Here are the numbers Kipchoge must hit in order to break 2:00:00. Kipchoge will need to sustain a 4:34 minutes per mile pace over the distance to complete the challenge.
400m: 1 minute, 8 seconds
800m: 2 minutes, 16 seconds
1,500m: 4 minutes, 16 seconds
5,000m: 14 minutes, 13 seconds
10,000m: 28 minutes, 26 seconds
Half-marathon: 59 minutes, 59 seconds
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