Articles about lactate testing and endurance training.
Lactate threshold marathon pace depends on which threshold you mean. One fictional step test gives marathon projections from 2:46 to 3:22.
Lactate threshold vs VO2 max: what each measures, why riders with identical VO2 max can differ 24% at threshold, and which test answers your question.
Anaerobic threshold explained: the definition, six ways to estimate it, and a worked step test where 4 mmol/L and a curve method land 28 W apart.