He flew with Joël Debons, who went 469 km (http://ozreport.com/22.3#5)

https://www.xcontest.org/world/en/flights/detail:ayashko/1.01.2018/22:25

482.23 km (299.6438 miles)

Close to the Brazilian flights topping out at 533 km in October.

https://www.xcontest.org/world/en/flights/daily-score-pg/#filter[date]=2017-10-18