60-minute easy run. If you haven’t figured it out, here’s the pattern:
- run (hard – tempo or interval)
- swim
- run (easy – alternating between running for distance and running for time, starting at 3-miles or 30 minutes and working up to 6-miles or 60-minutes)
- bike
- run (hard/tempo/interval)
- swim
- etc
- etc
- etc
