Related Clues:
- Dawdlers may be warned to pick it up
- Walking speed, on a Fitbit
- Rate measured by a Fitbit
- Walk without getting anywhere?
- Runners set it
- Marathoner's tempo
- What a race leader sets
- Walk back and forth nervously
- 30 inches, per the Army
- Marathon runner's statistic
- Marathoner's per-mile time
- Betray butterflies
- Betray jitters
- With due reference to speed
- Certain Indy car