Well, then you're in luck! Frazer Alexander will be visiting Marina on Ask the Expert to answer your questions about running, just in time for summer running season.

Frazer Alexander is well known for his athletic performances in the world of marathon running. He has participated in marathons all over the world but also at home here in Luxembourg. In 2016, he held the title of vice-champion and participated in many races sponsored by ING called the ING Night Marathon of Luxembourg (42 km). This particular marathon attracts thousands of participants and Alexander finished 9th in 2014 with a running time of 2:38:26, first place time was 2:15:44.

He will be answering all questions on marathon training, running techniques as well as optimising performance. Submit your question(s) anonymously below - or let us know if there's another expert you'd like to hear from on the show (or indeed another area of questions, and we'll find the expert)!

The show will run on our lovely new digital radio station - listen in on today.radio, in our RTL Today app (Android, Apple), or via RTL Play (and the app!).

Got a question for Frazer? An idea for an expert or topic to cover? Let us know here!