Friday, 6:45PM CEST

Split-Cats Race by VirtuSlo 4Endurance

Signup: HERE


This event has the following requirements:

category enforcement iconCategory Enforced.

power meter required iconPower Meter required.

heart rate monitor required iconHeart Rate Monitor required.

Visit for more information on race rules.

VirtuSlo 4Endurance Races with Split-Categories and new PACK DYNAMICS 4.1.

PEN -> zFTP W/kg / zMAP Wkg / Compound Score (5min Wkg * 5min Watts)
Pen A – > 4.1 W/kg OR > 5.0 W/kg OR > 2100
Pen B – > 3.6 W/kg OR > 4.4 W/kg OR > 1750
Pen C – > 3.2 W/kg OR > 3.9 W/kg OR > 1400
Pen D – > 2.8 W/kg OR > 3.4 W/kg OR > 1100
Pen E – < 2.8 W/kg OR < 3.4 W/kg OR < 1100

Check your Category Enforcement and Power Curve at

RESULTS will be available at and

WINNER of the day is rider First Across the Line (FAL)

ELITE Level Performances above 5W/kg or 375W (20 mins); 6W/kg or 475W (5 mins); 9W/kg (1 min) are expected to be supported by dual (power) recordings from reputable power sources or easily verifiable outside data.
Zwift Activities must be saved publicly for Podiums.

RACE Settings and Hardware Requirement
1. No Powerups
2. No TT Bikes
3. Participants must be registered on to be included in the results
4. Smart trainer or Power Meter required.
5. Heart Rate Monitor required.
6. No Indoor Bikes without Controlled Resistance (Cadence=Power)
7. Using Sticky Watts to get an unrealistic advantage will result in DQ

VirtuSlo 4Endurance Race Schedule
More info:
– Wednesday at 17:40 UTC / 19:40 CEST – VirtuSlo Tour Fight for GC
Monthly series with GC and Team GC Classification with Bonus seconds
– Friday at 16:45 UTC / 18:45 CEST – VirtuSlo 4Endurance Friday Race
– Sunday at 8:45 UTC / 10:45 CEST – VirtuSlo 4Endurance Sunday Race

Zwiftpower results: questions, complaints, etc., please contact us at

#VirtuSlo #4Endurance #Race