The longest swimming event for men in the Olympics is the 1500 meter freestyle and for women is the 800 meter freestyle.
track
It's the longest Someone
Track and Field or swimming.
That is the 10k Open Water event that debuted at the 2008 Games in Beijing. Lara Ilchenko of Russia won the gold medal in a time of 59 minutes, 27.7 seconds. Prior to the 2008 Olympics, the longest swimming event for women was the 800 meter freestyle.
Balls
1500m
track
Depends on what the question refers to: The longest "running" event is the Marathon, but the longest event in terms of distance in the athletics is the Mens 50 kilometre walk (but you certainly aren't allowed to run in that). Alternatively there are a whole series of events that have been included in every Olympics, therefore there is no single longest running event in terms of being at every Olympics.
Yes. The Marathon is second at 42.195 km and the 20 km walk is third.
No
It's the longest Someone
100 meter dash
The longest event for speed skating is the men's 10,000 meters race, which is equivalent to 10 kilometers.
Steeplechase
Track and Field or swimming.
track
The track cycling event at the Olympics will take place at the Izu Velodrome in Izu City, Japan.