Alina Reh is a German middle- and long-distance runner. She won the bronze medal in the 10,000 metres at the 2018 European Athletics Championships. At the European U23 Championships, Reh earned silver for the 5000 metres in 2017 and silver in the event and gold for the 10,000 m in 2019. She took four individual medals at the European Cross Country Championships, including bronze in the senior race in 2021 and 2022.

The 2018 European Athletics Championships were held in Berlin, Germany, from 6 to 12 August 2018. The championships were part of the first European Championships with other events happening in the United Kingdom.