Runners organizing races for runners - K6 utramarathon and Barokomarathon.
Supporters and adherents of ultrarunning, see Expedition Mont Blanc (run from Savona to the top of Mont Blanc), charity Expedition KaMiLi (run of mainland Greece from the west to east coast), charity Expedition RUN4EMMA (run through Georgia from Tbilisi to the top of Mount Kazbek-5054 m.a.s.l.).
The founder of K6, Konstantin Wiesner, is a successful Spartathlon participant in 2018.