N=1 Reports on forum.trainerroad.com

N=1 Self-Experiment Data

oggie41

• Protocol: First race of season; tracked daily morning HRV; training load had not increased
• Before: HRV4Training score 7.8–8.0
• After: Score 7.2–7.4 for 5 consecutive days (equiv. ~45% raw rMSSD drop)
• Change: −0.6 ln units for 5 days
• Duration: 5 days post-race
• Device: HRV4Training + Polar chest strap