Glossary / Training
Fartlek
Unstructured speed-play training with variable pace changes.
Short Definition
Unstructured speed-play training with variable pace changes.
Plain-English Explanation
Fartlek means unstructured speed-play training with variable pace changes. In practice, it helps name cardio programming, conditioning work, or endurance claims.
No Lies Lifting uses it as a plain-language reference point, not a magic rule by itself. Common in running.