[4] Konstantinovs started gymnastics at the age of 6 and then learned judo during his school days.

He won the 2002 WPC Junior World Powerlifting Championships held in Finland and both 2002 and 2003 GPC World Powerlifting Championships held in Germany and Austria respectively.

Konstantinovs turned into raw powerlifting with 2008 Latvian Bench Press Championships.

[1] He finished third at the 2010 Champions Battle Raw Deadlift Challenge held in Arhangelsk, Russia with a 390 kg (859.8 lb) beltless raw deadlift behind 3 time WPC World Champion and 2009 WPC Raw World Champion Andrey Belyaev who deadlifted 380 kg (837.8 lb) in the 100 kg (220 lb) weight class and Strongman and Olympic weightlifter Mikhail Koklyaev who deadlifted 415 kg (914.9 lb) in the super heavy weight class.

[6] During his career, Konstantinovs deadlifted 400 kg (881.8 lb)+ 14 times (10 of them being raw).