26.2
From Honolulu marathon organizers.
One day per week rest. If you need an easy day, walk.
You should have completed a half marathon before starting this program.
Week 1: Run 5 miles one day, 4 miles one day and 3 miles on the remaining days.
Week 2: Run 6 miles one day, 4 miles one day and 3 miles on the remaining days.
Week 3: Run 7 miles one day, 4 miles one day and 3 miles on the remaining days.
Week 4: Run 8 miles one day, 5 miles one day and 3 miles on the other days.
Week 5: Run 10 miles one day, 5 miles one day and 3 miles on the other days.
Week 6: Run 11 miles one day, 5 miles one day and 4 miles on the other days.
Week 7: Run 12 miles one day, 6 miles one day and 4 miles on the other days.
Week 8: Run 14 miles one day, 6 miles one day and 4 miles on the other days.
Week 9: Run 16 miles one day, 7 miles one day and 4 miles on the other days.
Week 10: Run 16 miles one day, 8 miles one day and 5 miles on the other days.
Week 11: Do the same workout as week 10.
Week 12: Run 18 miles one day, 8 miles one day and 5 miles on the other days.
Week 13: Do the same workout as week 12.
Tapering off
Week 14: Run 9 miles one day, 8 miles one day and 5 miles on the other days.
Week 15: Run 8 miles one day, 5 miles one day and 3 miles on the other days.
Week 16: Jog 3 miles every other day. Run the marathon.
Note: Keep in mind that 16 weeks is a fairly short training period, especially if it’s your first time. If, by week 12, you think you could end up like Phidippides, don’t do it. There will be another race. Keep training and wait it out. Eventually you’ll be ready.
Source: Honolulu Marathon organizers.