[1] The next year, at the 2015 IPC Athletics World Championships in Doha, Streng was part of Germany's 4×100 metre (T42-47) team that took gold with a European record of 41.86 seconds.

[1] Two years later in the buildup to the 2016 Summer Paralympics in Rio, Streng entered his second European Championships, this time held in Grosseto in Italy.

The German team beat their previous European record with an improved time of 41.49 seconds, ahead of Russia and Italy.

Streng had better fortune in the T44 long jump, hitting a personal best distance of 7.13 metres to claim a second bronze medal of the Games.

He completed his time in Rio with a gold medal, as he again teamed up with Floors, Rhem and Behre to win the 4 × 100 metres relay.