The two of them are later in a friendly rivalry.
They've been racing each other for years and have developed a friendly rivalry.
Also there is a friendly rivalry between houses, which adds to the atmosphere of the school.
Throughout the war there was always a friendly rivalry between these Medium batteries.
But call it a friendly rivalry, and one that should be fun to watch.
As a result the pair have developed a friendly rivalry.
However, nowadays there is a certain friendly rivalry between the two groups.
A tradition of the University is a friendly rivalry between colleges.
Separated by only few minutes walking distance, the two schools now enjoy a friendly rivalry.
After then they continued to compete, but more in the nature of a friendly rivalry.
She also thinks that they have a healthy professional rivalry.
Often there is a healthy rivalry in sports and in other activities between the two sides.
The idea of the house system is to offer pupils an opportunity for healthy rivalry.
But there's clearly still a bit of healthy rivalry between the two.
In perspective, it is a healthy rivalry, adding spice to the game.
A bit of healthy rivalry is one thing, trying to shut down somebody else's club, quite another.
"But there's no reason, if coaches handle it in a professional way, that you can't have a healthy rivalry."
With latter, Murali shared a healthy rivalry through the most part of the 1970s.
In this way, the various offices will benefit from a healthy rivalry.
I think it's going to be a very healthy rivalry and good for the game.