Danula II

Danula II is the second planet in the Danula system.

In April of 2323, the Starfleet Academy marathon was held on Danula II. It was a race, and the winner was Starfleet Academy freshman Cadet Jean-Luc Picard. He was the first freshman to win the race. (TNG: "The Best of Both Worlds, Part II")

from Memory Alpha, the canon Star Trek wiki.