Ice Water Submersion: Team of 7: 24 Hours: 8 Hours. Valerjan Romanovski, Irena Senator, Maria Bodaj, Krzysztof Sadowski, Tobiasz Imbierski, Wojciech Glowacki, and Pawel Sosna. On June 15/16, 2024, Valerjan Romanovski, Irena Senator, Maria Bodaj, Krzysztof Sadowski, Tobiasz Imbierski, Wojciech Glowacki, and Pawel Sosna spent 8 hours each in an ice bath (<2° C) by sitting in the tub for 10 minutes with 20 minute breaks over a 24 hour period. Poolbox, Inowroclaw, Poland.

Mountain biking: 24 hours: 624 km. Valerjan Romanovski.  29-31 July 2016, Legionowo Stadium, Poland.. (Note. This exceeds the GWR of 577.78 km held by Adrian Ellul in 2015.)

Road Bike: Vertical Ascent: 12 Hours: 11.085,462 meters. Valerjan Romanovski. On 10 August, 2018, Valerjan Romanovski (Poland) rode his road bike for 12 hours and achieved the biggest ascent of the 11.085,462 M Note: This breaks the Guinness WR of 9.847.12 by John Thomas in 2016.

Stationary Biking: Temperature Variation: 240C/24 Hours. Valerjan Romanovski. On 25-26 July, 2020, Valerjan Romanovski cycled 24 continuous hours in a cryogenic chamber with a temperature variation of 10 deg C every hour from -165 to +75 deg.