Simplify the following text for a Grade 7 native English-speaking person.
Original: However , most open-wheel races are on dedicated road courses , such as Watkins Glen International in the US , NÃ 1\/4 rburgring in Germany , and the Bahrain International Circuit in the Middle East .
Simplified: Most open-wheel races are on dedicated road courses , such as the NÃ 1\/4 rburgring in Germany .