Related Clues:
- Ironman race, briefly
- Meter leader
- Tetra- less one
- Start for athlete or atomic
- 32+-mile competition, familiarly
- Three Souls in My Mind, aka El ___
- Prefix for pod or cycle
- "Three" prefix
- Decem minus duo
- Starter for 60 Across
- Prefix for pod or motor
- Bi- quadrupled
- Start for cycle or centennial
- Grueling Olympic race, for short
- Septa- plus one