Related Clues:
- Iditarod or Ironman
- Ultramarathon, e.g
- Colorlines.com subject
- Campaign ... or a campaign topic
- Career people
- Triathlon, for one
- Tour de France, for instance
- Candidate’s concern
- The Boston Marathon, for one
- ___ against the clock
- Participate in a relay
- Pennant __
- Clear hurdles, say
- Thing a kid may be challenged to
- People go quickly