Join a challenge to track you progress and compete with other birders.
Important: Make sure you use the same email address and password you use to log into the BirdLasser app.You can only join a challenge if you have the BirdLasser app installed. Get it from the stores if you don't have it yet.
About
The Potchefstroom (100k) Challenge takes place on an annual basis. It covers an area bounded by a circle centred in Potchefstroom with a 100 km radius.
Circles
Potchefstroom 100 km Circle: -26.71698, 27.10597; 100 km