Outcome
Time to exhaustion
A lab outcome that can still guide training: it often tracks fatigue resistance.
What to do first
- • Build durability: long sessions + steady weekly volume.
- • Avoid stacking intensity when sleep is low.
- • Track drift: pace vs heart rate vs RPE over time.
Top topic pages
Protocols + decision rules that move this outcome.
Caffeine for endurance performance: a practical protocol
Evidence-informed protocol: Caffeine for endurance performance: a practical protocol. Practical steps, who it helps, and what to watch out for.
Carbohydrate fueling for long runs: a protocol you can practice
Evidence-informed protocol: Carbohydrate fueling for long runs: a protocol you can practice. Practical steps, who it helps, and what to watch out for.
Study library (reference)
Studies that measured this outcome.
Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis.
PMID 36615805 (2022): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
Effects of specific inspiratory muscle training combined with whole-body endurance training program on balance in COPD patients: Randomized controlled trial.
PMID 34555068 (2021): inspiratory muscle training — Time to exhaustion (study note for endurance athletes).
Creatine supplementation and endurance performance: surges and sprints to win the race.
PMID 37096381 (2023): carbohydrate, carb — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).
Rehydration during Endurance Exercise: Challenges, Research, Options, Methods.
PMID 33803421 (2021): hydration, fluid — Time to exhaustion, Performance in heat, Cramp risk (study note for endurance athletes).
Caffeine Increases Exercise Performance, Maximal Oxygen Uptake, and Oxygen Deficit in Elite Male Endurance Athletes.
PMID 34033621 (2021): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
Effect of respiratory muscle training on exercise performance in healthy individuals: a systematic review and meta-analysis.
PMID 22765281 (2012): respiratory — Time to exhaustion (study note for endurance athletes).
New Horizons in Carbohydrate Research and Application for Endurance Athletes.
PMID 36173597 (2022): carbohydrate, carb — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).
Proper Hydration During Ultra-endurance Activities.
PMID 30601394 (2019): hydration, sodium — Time to exhaustion, Performance in heat, Cramp risk (study note for endurance athletes).
Caffeine, CYP1A2 Genotype, and Endurance Performance in Athletes.
PMID 29509641 (2018): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
Impact of inspiratory muscle training in patients with COPD: what is the evidence?
PMID 21282809 (2011): inspiratory muscle training, respiratory — Time to exhaustion (study note for endurance athletes).
Carbohydrate ingestion during endurance exercise improves performance in adults.
PMID 21411610 (2011): carbohydrate, carb — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).
Water and electrolyte requirements for exercise.
PMID 10410838 (1999): hydration, fluid — Time to exhaustion, Performance in heat, Cramp risk (study note for endurance athletes).
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Performance Science Lab
Research-backed protocols and evidence grades for endurance performance — built for athletes.
Caffeine for endurance performance: a practical protocol
Evidence-informed protocol: Caffeine for endurance performance: a practical protocol. Practical steps, who it helps, and what to watch out for.
Carbohydrate fueling for long runs: a protocol you can practice
Evidence-informed protocol: Carbohydrate fueling for long runs: a protocol you can practice. Practical steps, who it helps, and what to watch out for.
Effects of Caffeine Intake on Endurance Running Perfo… (PMID 36615805)
PMID 36615805 (2022): caffeine — Time-trial performance, Time to exhaustion (study note for endurance athletes).
Effects of specific inspiratory muscle training combi… (PMID 34555068)
PMID 34555068 (2021): inspiratory muscle training — Time to exhaustion (study note for endurance athletes).
Creatine supplementation and endurance performance: s… (PMID 37096381)
PMID 37096381 (2023): carbohydrate, carb — Time to exhaustion, Time-trial performance, Fat oxidation (study note for endurance athletes).