But the informal competition went on, complete with instruction.

In some areas where a number of artist share the impermanence ideal, there grows an informal competition.

A driving force behind the candy's popularity were informal competitions among schoolchildren to determine who could withstand eating the largest number of Warheads at once.

There was an ongoing informal competition to invent new "games," physical or mental!

It was a tradition and an informal competition in its own right.

No, they were engaged in an informal competition, each trying to complicate a basic series of steps till the other failed to duplicate it.

There's an informal competition among Manhattan restaurants to see who can cook salmon the longest and slowest.

It was a competition, informal, but a competition nonetheless, to see who could offer genuine varietals for the lowest price.

Already there were informal competitions between the various units to bring their projects in faster and more efficiently than programmed time allowed.

As the first Shark Island Challenge it was a very informal competition.