Sub-3:45 Marathon Training Paces
These training paces are derived from a marathon goal of 3:45:00.
Goal snapshot
Goal time
3:45:00
Race pace
5:20/km
Mile pace
8:35/mi
VDOT
41
Training pace bands
| Zone | Range | Use it for |
|---|---|---|
| Easy / Long Run | 5:44-6:51 /km | Build aerobic volume with relaxed running, long runs, and light shakeout days. |
| Marathon Pace | 5:11-5:40 /km | Use marathon pace for steady long-run segments and race-specific endurance work. |
| Tempo / Threshold | 5:00-5:14 /km | Use tempo pace for threshold blocks that improve sustainable speed. |
| Interval | 4:30-4:42 /km | Use interval pace for shorter repeats that lift VO2 max and leg speed. |
| Recovery | 6:51-7:48 /km | Use recovery pace on the days after hard sessions to absorb the work. |
One-week structure
- Mon: recovery run
- Tue: tempo session
- Thu: marathon pace workout
- Sun: long run with fueling practice
FAQ
Use marathon pace in one key session or long-run segment each week, not in every workout.
Yes. Tempo work keeps threshold fitness high so marathon pace feels easier late in the cycle.
Consistency, long-run durability, and pacing discipline matter more than chasing one heroic workout.