Marathon Under 3 Hours Plan

Marathon Under 3 Hours Plan

The Sub-3 Hour Marathon Challenge

Overview

The most demanding plan in the collection. For runners with a sub 3:15 marathon or sub 1:25 half. Target pace 4:15/km. Includes 6 weekly sessions with double quality sessions, long runs up to 35 km with race pace sections, and threshold interval blocks. Peak volume 80-100 km per week.

Prerequisites:
📅
Duration
18 weeks
🏃
Days/week
6
🏆
Level
Intermediate
📏
Distance
Maratón

Training Plan Week by Week

Week 1 — General base

Monday: 52 min at easy pace | Tuesday: 15 min warm-up + 6 × 1000m at 3:55/km (90 sec rest) + 15 min cool-down | Wednesday: 45 min at easy pace | Thursday: 15 min warm-up + 25 min at 4:10/km + 10 min cool-down | Friday: 40 min at easy pace | Sunday: 85 min progressive

DaySession
MondayEasy run: 52 min at easy pace
TuesdayIntervals: 15 min warm-up + 6 × 1000m at 3:55/km (90 sec rest) + 15 min cool-down
WednesdayEasy run: 45 min at easy pace
ThursdayTempo: 15 min warm-up + 25 min at 4:10/km + 10 min cool-down
FridayEasy run: 40 min at easy pace
SundayLong run: 85 min progressive
Week 2 — Volume

Monday: 54 min at easy pace | Tuesday: 15 min warm-up + 7 × 1000m at 3:55/km (90 sec rest) + 15 min cool-down | Wednesday: 45 min at easy pace | Thursday: 15 min warm-up + 30 min at 4:10/km + 10 min cool-down | Friday: 40 min at easy pace | Sunday: 95 min progressive

DaySession
MondayEasy run: 54 min at easy pace
TuesdayIntervals: 15 min warm-up + 7 × 1000m at 3:55/km (90 sec rest) + 15 min cool-down
WednesdayEasy run: 45 min at easy pace
ThursdayTempo: 15 min warm-up + 30 min at 4:10/km + 10 min cool-down
FridayEasy run: 40 min at easy pace
SundayLong run: 95 min progressive
Week 3 — Threshold

Monday: 56 min at easy pace | Tuesday: 15 min warm-up + 8 × 1000m at 3:55/km (90 sec rest) + 15 min cool-down | Wednesday: 45 min at easy pace | Thursday: 15 min warm-up + 35 min at 4:10/km + 10 min cool-down | Friday: 40 min at easy pace | Sunday: 105 min progressive

DaySession
MondayEasy run: 56 min at easy pace
TuesdayIntervals: 15 min warm-up + 8 × 1000m at 3:55/km (90 sec rest) + 15 min cool-down
WednesdayEasy run: 45 min at easy pace
ThursdayTempo: 15 min warm-up + 35 min at 4:10/km + 10 min cool-down
FridayEasy run: 40 min at easy pace
SundayLong run: 105 min progressive
Week 4 — Recovery

Monday: 40 min at easy pace | Tuesday: 15 min warm-up + 8 × (1 min fast / 2 min easy) + 10 min cool-down | Wednesday: 40 min at easy pace | Thursday: 35 min at moderate pace | Friday: 30 min cycling or swimming | Sunday: 70 min at comfortable pace

DaySession
MondayEasy run: 40 min at easy pace
TuesdayEasy fartlek: 15 min warm-up + 8 × (1 min fast / 2 min easy) + 10 min cool-down
WednesdayEasy run: 40 min at easy pace
ThursdayModerate run: 35 min at moderate pace
FridayActive rest: 30 min cycling or swimming
SundayLong run: 70 min at comfortable pace
Week 5 — Specific phase

Monday: 55 min at easy pace | Tuesday: 15 min warm-up + 5 × 1600m at 3:55/km (2.5 min rest) + 15 min cool-down | Wednesday: 45 min at easy pace | Thursday: 15 min warm-up + 35 min at 4:12/km + 10 min cool-down | Friday: 40 min at easy pace | Sunday: 110 min with last 25 min at 4:20/km

DaySession
MondayEasy run: 55 min at easy pace
TuesdayIntervals: 15 min warm-up + 5 × 1600m at 3:55/km (2.5 min rest) + 15 min cool-down
WednesdayEasy run: 45 min at easy pace
ThursdayTempo: 15 min warm-up + 35 min at 4:12/km + 10 min cool-down
FridayEasy run: 40 min at easy pace
SundayLong run: 110 min with last 25 min at 4:20/km
Week 6 — Long intervals

Monday: 55 min at easy pace | Tuesday: 15 min warm-up + 5 × 1600m at 3:55/km (2.5 min rest) + 15 min cool-down | Wednesday: 45 min at easy pace | Thursday: 15 min warm-up + 40 min at 4:12/km + 10 min cool-down | Friday: 40 min at easy pace | Sunday: 125 min with last 25 min at 4:20/km

DaySession
MondayEasy run: 55 min at easy pace
TuesdayIntervals: 15 min warm-up + 5 × 1600m at 3:55/km (2.5 min rest) + 15 min cool-down
WednesdayEasy run: 45 min at easy pace
ThursdayTempo: 15 min warm-up + 40 min at 4:12/km + 10 min cool-down
FridayEasy run: 40 min at easy pace
SundayLong run: 125 min with last 25 min at 4:20/km
Week 7 — Mid peak

Monday: 55 min at easy pace | Tuesday: 15 min warm-up + 4 × 2000m at 4:00/km (3 min rest) + 15 min cool-down | Wednesday: 45 min at easy pace | Thursday: 15 min warm-up + 45 min at 4:12/km + 10 min cool-down | Friday: 40 min at easy pace | Sunday: 140 min with last 25 min at 4:20/km

DaySession
MondayEasy run: 55 min at easy pace
TuesdayIntervals: 15 min warm-up + 4 × 2000m at 4:00/km (3 min rest) + 15 min cool-down
WednesdayEasy run: 45 min at easy pace
ThursdayTempo: 15 min warm-up + 45 min at 4:12/km + 10 min cool-down
FridayEasy run: 40 min at easy pace
SundayLong run: 140 min with last 25 min at 4:20/km
Week 8 — Recovery

Monday: 40 min at easy pace | Tuesday: 15 min warm-up + 8 × (1 min fast / 2 min easy) + 10 min cool-down | Wednesday: 40 min at easy pace | Thursday: 35 min at moderate pace | Friday: 30 min cycling or swimming | Sunday: 70 min at comfortable pace

DaySession
MondayEasy run: 40 min at easy pace
TuesdayEasy fartlek: 15 min warm-up + 8 × (1 min fast / 2 min easy) + 10 min cool-down
WednesdayEasy run: 40 min at easy pace
ThursdayModerate run: 35 min at moderate pace
FridayActive rest: 30 min cycling or swimming
SundayLong run: 70 min at comfortable pace
Week 9 — Quality peak

Monday: 55 min at easy pace | Tuesday: 15 min warm-up + 4 × 2000m at 4:00/km (3 min rest) + 15 min cool-down | Wednesday: 50 min at easy pace | Thursday: 15 min warm-up + 40 min at 4:12/km + 10 min cool-down | Friday: 45 min at easy pace | Sunday: 145 min with last 35 min at 4:18/km (approx. 26-27 km)

DaySession
MondayEasy run: 55 min at easy pace
TuesdayIntervals: 15 min warm-up + 4 × 2000m at 4:00/km (3 min rest) + 15 min cool-down
WednesdayEasy run: 50 min at easy pace
ThursdayTempo: 15 min warm-up + 40 min at 4:12/km + 10 min cool-down
FridayEasy run: 45 min at easy pace
SundayLong run: 145 min with last 35 min at 4:18/km (approx. 26-27 km)
Week 10 — Maximum long run

Monday: 55 min at easy pace | Tuesday: 15 min warm-up + 4 × 2000m at 4:00/km (3 min rest) + 15 min cool-down | Wednesday: 50 min at easy pace | Thursday: 15 min warm-up + 45 min at 4:12/km + 10 min cool-down | Friday: 45 min at easy pace | Sunday: 160 min with last 35 min at 4:18/km (approx. 29-31 km)

DaySession
MondayEasy run: 55 min at easy pace
TuesdayIntervals: 15 min warm-up + 4 × 2000m at 4:00/km (3 min rest) + 15 min cool-down
WednesdayEasy run: 50 min at easy pace
ThursdayTempo: 15 min warm-up + 45 min at 4:12/km + 10 min cool-down
FridayEasy run: 45 min at easy pace
SundayLong run: 160 min with last 35 min at 4:18/km (approx. 29-31 km)
Week 11 — Key session

Monday: 55 min at easy pace | Tuesday: 15 min warm-up + 3 × 3000m at 4:00/km (3 min rest) + 15 min cool-down | Wednesday: 50 min at easy pace | Thursday: 15 min warm-up + 50 min at 4:12/km + 10 min cool-down | Friday: 45 min at easy pace | Sunday: 175 min with last 35 min at 4:18/km (approx. 33-35 km)

DaySession
MondayEasy run: 55 min at easy pace
TuesdayIntervals: 15 min warm-up + 3 × 3000m at 4:00/km (3 min rest) + 15 min cool-down
WednesdayEasy run: 50 min at easy pace
ThursdayTempo: 15 min warm-up + 50 min at 4:12/km + 10 min cool-down
FridayEasy run: 45 min at easy pace
SundayLong run: 175 min with last 35 min at 4:18/km (approx. 33-35 km)
Week 12 — Recovery

Monday: 40 min at easy pace | Tuesday: 15 min warm-up + 8 × (1 min fast / 2 min easy) + 10 min cool-down | Wednesday: 40 min at easy pace | Thursday: 35 min at moderate pace | Friday: 30 min cycling or swimming | Sunday: 70 min at comfortable pace

DaySession
MondayEasy run: 40 min at easy pace
TuesdayEasy fartlek: 15 min warm-up + 8 × (1 min fast / 2 min easy) + 10 min cool-down
WednesdayEasy run: 40 min at easy pace
ThursdayModerate run: 35 min at moderate pace
FridayActive rest: 30 min cycling or swimming
SundayLong run: 70 min at comfortable pace
Week 13 — Strong pre-taper

Monday: 50 min at easy pace | Tuesday: 15 min warm-up + 8 × 800m at 3:50/km (90 sec rest) + 10 min cool-down | Wednesday: 40 min at easy pace | Thursday: 15 min warm-up + 30 min at 4:15/km + 10 min cool-down | Friday: 35 min at easy pace | Sunday: 120 min at easy pace

DaySession
MondayEasy run: 50 min at easy pace
TuesdayIntervals: 15 min warm-up + 8 × 800m at 3:50/km (90 sec rest) + 10 min cool-down
WednesdayEasy run: 40 min at easy pace
ThursdayTempo: 15 min warm-up + 30 min at 4:15/km + 10 min cool-down
FridayEasy run: 35 min at easy pace
SundayLong run: 120 min at easy pace
Week 14 — Start taper

Monday: 45 min at easy pace | Tuesday: 15 min warm-up + 6 × 800m at 3:50/km (90 sec rest) + 10 min cool-down | Wednesday: 35 min at easy pace | Thursday: 15 min warm-up + 25 min at 4:15/km + 10 min cool-down | Friday: 30 min at easy pace | Sunday: 100 min at easy pace

DaySession
MondayEasy run: 45 min at easy pace
TuesdayIntervals: 15 min warm-up + 6 × 800m at 3:50/km (90 sec rest) + 10 min cool-down
WednesdayEasy run: 35 min at easy pace
ThursdayTempo: 15 min warm-up + 25 min at 4:15/km + 10 min cool-down
FridayEasy run: 30 min at easy pace
SundayLong run: 100 min at easy pace
Week 15 — Reduction

Monday: 40 min at easy pace | Tuesday: 15 min warm-up + 4 × 800m at 3:50/km (90 sec rest) + 10 min cool-down | Wednesday: 30 min at easy pace | Thursday: 30 min moderate with 4 strides | Friday: 25 min at easy pace | Sunday: 80 min at easy pace

DaySession
MondayEasy run: 40 min at easy pace
TuesdayIntervals: 15 min warm-up + 4 × 800m at 3:50/km (90 sec rest) + 10 min cool-down
WednesdayEasy run: 30 min at easy pace
ThursdayModerate run: 30 min moderate with 4 strides
FridayEasy run: 25 min at easy pace
SundayLong run: 80 min at easy pace
Week 16 — Recovery

Monday: 40 min at easy pace | Tuesday: 15 min warm-up + 8 × (1 min fast / 2 min easy) + 10 min cool-down | Wednesday: 40 min at easy pace | Thursday: 35 min at moderate pace | Friday: 30 min cycling or swimming | Sunday: 70 min at comfortable pace

DaySession
MondayEasy run: 40 min at easy pace
TuesdayEasy fartlek: 15 min warm-up + 8 × (1 min fast / 2 min easy) + 10 min cool-down
WednesdayEasy run: 40 min at easy pace
ThursdayModerate run: 35 min at moderate pace
FridayActive rest: 30 min cycling or swimming
SundayLong run: 70 min at comfortable pace
Week 17 — Final taper

Monday: 30 min at easy pace | Tuesday: 15 min easy + 5 × 200m at race pace + 10 min cool-down | Wednesday: 25 min at easy pace | Thursday: 20 min walking | Friday: Full rest | Sunday: 40 min at easy pace

DaySession
MondayEasy run: 30 min at easy pace
TuesdayActivation: 15 min easy + 5 × 200m at race pace + 10 min cool-down
WednesdayEasy run: 25 min at easy pace
ThursdayActive rest: 20 min walking
FridayRest: Full rest
SundayLong run: 40 min at easy pace
Week 18 — Race week

Monday: 20 min at easy pace | Tuesday: 15 min easy + 3 × 200m at race pace + 10 min cool-down | Wednesday: Full rest | Thursday: 15 min very easy jog | Friday: Full rest. Carb loading | Sunday: Goal: sub 3:00. Start at 4:15/km, negative split. Go for it!

DaySession
MondayEasy run: 20 min at easy pace
TuesdayActivation: 15 min easy + 3 × 200m at race pace + 10 min cool-down
WednesdayRest: Full rest
ThursdayEasy jog: 15 min very easy jog
FridayRest: Full rest. Carb loading
SundayMarathon Day!: Goal: sub 3:00. Start at 4:15/km, negative split. Go for it!

Tips

💡 Rest is part of training: respect recovery weeks
💡 Long runs with sections at 4:18/km simulate race conditions
💡 Nutrition: try different gel brands until you find the ideal one
💡 Mentally divide the marathon into 3 blocks: km 1-15 (comfortable), 15-30 (pace), 30-42 (endure)

FAQ

What previous times do I need?

Sub 3:15 marathon or sub 1:25 half marathon minimum.

How many weekly km?

Between 80 and 100 km during peak weeks.

Do I need carbon plate shoes?

Yes, for sub 3 every second counts. Carbon plates save 1-4%.

How do I manage the wall at km 30?

Proper nutrition, controlled pace and long run training with pace work.

Should I do 6 days or can I do 5?

6 days is ideal, but if you reduce, drop one of the easy runs.

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