Eliud Kipchoge, a Kenyan marathoner, broke a two-hour marathon. He covered 42.2 Km (26.2 miles) in 1 hour, 59 minutes and 40 seconds in the famous Ineos 1:59 Challenge. It took place in Vienna, Austria.
However, it will not count as an official marathon world record since it wasn't an open competition. Apart from this, several other reasons disqualify the record. While running, he was supported by a team of pacesetters, which is not available in an open competition.
Also, there was a car that utilised lasers to indicate the required pace as well as the best place to run. In addition, the car showed Eliud his time and projected ideal running positions for all pacesetters on the road.
In short, the event organizers provided kipchoge with ideal conditions for the marathon attempt. He never had to climb any hill as there were only 2.4 meters of incline over the read. As you can see,