Marathon Sub-3:30 Training Plan

Level: Intermediate
Duration & Snapshot: 16 Weeks • 5–6 Runs per Week
Finishing a marathon under 3 hours and 30 minutes means averaging 4:59/km (7:58/mi). It’s a major milestone that takes structured training, consistent effort, and smart recovery.
This 16-week Sub-3:30 program, created by Olympian runner Ilya Tyapkin, guides you with a balanced mix of intervals, fartlek, tempos, long runs, and recovery weeks. Each phase builds your endurance, sharpens your speed, and ensures you arrive on race day ready to hold pace and finish strong.
✅ Long runs up to 35 km for stamina
✅ Intervals (400m–2 km) for speed and strength
✅ Fartlek and tempos for pace control
✅ Recovery and taper weeks to consolidate fitness
✅ Structured phases that peak at the right time
Training Plan Breakdown
The 16 weeks are split into phases, each with a specific focus:
- Base (Weeks 1–3) → Build aerobic foundation with intervals and tempos, long runs 15–22 km
- Recovery (Week 4) → Reduced mileage to recharge
- Build (Weeks 5–7) → 1 km intervals, fartlek, and long runs up to 30 km
- Recovery (Week 8) → Step-back week for adaptation
- Peak (Weeks 9–11) → 2 km intervals, extended tempos, and long runs 28–35 km
- Sharpen (Weeks 13–14) → Shorter but focused workouts, long runs around 28–30 km
- Taper (Week 15) → Reduced volume, short intervals, and recovery
- Race Week (Week 16) → Easy runs, strides, and marathon at sub-3:30 goal pace
Sample Week Preview
Here’s a snapshot of Week 10 (Peak Phase):
| Day | Session | Load |
|---|---|---|
| Monday | 12 km easy run | Medium |
| Tuesday | 3 km WU + RD + 6–8 × 2 km intervals (400m jogs) + 3 km CD | High |
| Wednesday | 10 km easy run | Medium |
| Thursday | 3 km WU + RD + 12 km tempo run + 3 km CD | High |
| Friday | Rest | — |
| Saturday | Long run – 30–32 km (including steady effort in middle) | High |
| Sunday | Rest | — |
Load = effort level: Low / Medium / High
How Does the Training Plan Work?
This Sub-3:30 plan alternates quality sessions with recovery to optimize adaptation:
- Intervals (400m–2 km) → Improve running economy and speed endurance
- Fartlek runs → Teach pace changes and rhythm control
- Tempos → Build confidence at sustained effort
- Long runs (up to 35 km) → Prepare physically and mentally for marathon distance
- Recovery & taper → Consolidate fitness and reduce fatigue before race day
What Paces Should I Train At?
The full PDF plan provides specific pacing guidelines for every workout — easy runs, intervals, tempos, and goal pace.
Coach’s Insight
“Sub-3:30 is a serious marathon milestone. It’s not just about speed — it’s about patience and pacing discipline. Respect the easy runs, trust your training, and execute your plan. The marathon rewards consistency.”
— Ilya Tyapkin, Olympian Runner & Coach
Helpful Resources for Runners
- Race Day Checklist
- Gear Reviews
- Nutrition for Runners
- Injury Prevention
- Pace Calculator
- Calories Burned Calculator
- VO2 Max Calculator
Final Words
Running a sub-3:30 marathon demands endurance, strategy, and discipline. This 16-week plan helps you progress steadily, peak at the right time, and show up on race day confident.
Remember:
- Consistency > perfection
- Long runs are the backbone of marathon success
- The taper is where your fitness comes alive
Your sub-3:30 marathon is within reach.




