Jacob Pescini shared a workout Long Aerobic Endurance Ride
Thursday, January 8, 2026 4:31 PM
Ride
2h 14m 34s
intervals
Training Load
104
Avg HR
124 bpm
Performance Scores
Training Impact & Load
TSS (Load)
104
Fitness (CTL)
94
Fatigue (ATL)
96
Form (TSB)
-2
AI Analysis
Quick Take
Fantastic work on completing this significant 135-minute aerobic endurance ride; you successfully hit a high Training Stress Score (104) which is great for base building. Your effort level was perfectly pitched for Zone 2 work, demonstrating excellent discipline for the duration. Moving forward, we'll look at refining your technique, especially cadence consistency, to maximize efficiency and further reduce muscular fatigue.
Pacing Strategy
good- The ride duration and resulting TSS (104) strongly suggest a highly controlled, steady-state effort, appropriate for aerobic endurance goals.
- With 613m of elevation gain, some natural power variability is expected, but the goal remains minimizing unplanned surges when crossing rolling terrain.
- For long endurance rides, maintaining consistent Intensity Factor (IF ~0.68) is paramount to train fat oxidation efficiently, which appears to have been successful here.
- Reviewing the route profile is essential to identify if power drops were due to downhill coasting or true pacing lapses in the latter stages.
Pedaling Efficiency
moderate- Focus on maintaining a high, comfortable cadence (ideally 85-95 RPM) to prevent fatigue accumulation in the quadriceps over 2+ hours.
- On short climbs, consciously avoid ‘mashing’ a large gear; prioritize spinning to keep your heart rate steady and conserve glycogen stores.
- Technique analysis requires dedicated drills, but generally focus on pulling through the bottom of the stroke rather than just pushing down.
- Any lack of consistent cadence will introduce unnecessary surges and decrease overall muscular endurance efficiency.
Power Application
good- The calculated intensity for this duration indicates excellent sustained power application, maintaining Zone 2 targets effectively.
- Sustaining this power level for over two hours is a testament to your endurance fitness and ability to hold concentration.
- Power stability is critical in Z2; check for any significant power fade (a decrease greater than 5%) in the final 30 minutes of the ride.
- A steady power profile ensures the stimulus remains aerobic and avoids unwanted dips into anaerobic zones that lead to early fatigue.
Workout Execution
excellent- You successfully completed the entire planned duration of 135 minutes, achieving the intended training volume.
- The resulting TSS of 104 is an ideal training load for this type of long, base-building effort.
- Executing a long ride well includes strong hydration and fueling strategy; success over 2+ hours suggests good nutritional planning.
- Completing the ride despite a high level of accumulated fatigue (TSB -16.7) shows mental toughness and commitment.
Efficiency & Fatigue
needs_improvement- Your TSB (Form) of -16.7 indicates that you are currently operating in a very high state of fatigue accumulation, suggesting a strong training block is underway.
- Average HR (124 bpm) is appropriate for a Z2 effort, but we need to monitor for excessive cardiac drift (HR climbing steeply while power remains constant) in the second half.
- High acute fatigue (ATL 131.3) mandates prioritizing recovery immediately following this session to allow adaptations to occur.
- Maintain focus on recovery metrics and ensure the next planned sessions appropriately manage this level of fatigue.
Strengths
- Excellent duration completed (135 minutes)
- Ideal effort management for Zone 2 work (high Effort score)
- High Training Stress Score achieved (104 TSS)
- Strong mental toughness shown despite high accumulated fatigue
Areas for Improvement
- High accumulated fatigue (TSB -16.7)
- Need to refine cadence consistency for long-term efficiency
- Potential for pacing lapses/surges on varied terrain
- Monitoring for cardiac drift in the later stages of long rides
Power Duration Curve
Auditing Power Profile...
Intervals & Peak Efforts
Auditing Interval Telemetry...
Advanced Analytics
Executing Scientific Audit...
Pacing Analysis
Average Pace
N/AConsistency Variance
N/A Execution Strategy
Negative SplitStarted conservative and finished strong (negative split)Segment Splits
Split Analysis
First Half1:56/km
Second Half3:43/km
Pace Delta+107s
Steady State Integrity0/100
Workout Timeline
Initializing Biometric Timeline...
Training Zones
Mapping Intensity Zones...
Detailed Metrics
Max Power743W
Max HR156 bpm
CTL (Fitness)93.5
ATL (Fatigue)96.0
FTP at Time263W
TRIMP179
Avg Temperature18.6°C
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