How do I increase my FTP?
Your Functional Threshold Power (FTP) is the highest power you can sustain for roughly an hour. It’s a practical proxy for your maximal lactate steady state or critical power. To raise FTP, train the systems that let you produce more oxygen-based energy, tolerate and clear lactate, and hold power longer with less fatigue.
What FTP actually reflects
FTP isn’t just one thing. It’s the outcome of several physiological drivers working together:
- VO2max: your aerobic engine size. Higher VO2max expands your ceiling for sustainable power.
- Fractional utilization: the percentage of VO2max you can sustain. Better lactate production–clearance balance and mitochondrial function let you ride closer to your VO2max.
- Cycling economy: fewer oxygen demands per watt. More efficient muscle recruitment and technique give you more watts for the same effort.
- Durability: how your power and efficiency hold up over time. Improved fatigue resistance keeps FTP-like power later in rides and races.
These adapt through a mix of volume, intensity, and smart recovery. Most riders see meaningful FTP gains in 6–10 weeks when those pieces align.
Train the physiology: what to do each week
A simple, effective structure is two quality sessions per week, plus endurance volume you can recover from. Use power zones as a guide: Endurance 56–75% FTP, Tempo 76–90%, Threshold 91–105%, VO2max 106–120%.
Key session types
- Endurance (Zone 2): 60–180 minutes at 60–75% FTP. Builds mitochondrial density, capillarization, and durability with low stress.
- Threshold intervals: 2×16 to 3×20 minutes at 95–100% FTP, 5–8 minutes easy between. Pushes your maximal steady state upward.
- VO2max work: 4–6×3–5 minutes at 108–115% FTP with equal recovery; or 3×8 minutes at ~105% FTP with 4–5 minutes recovery. Expands the aerobic ceiling.
- Sweet spot/tempo: 3–4×12–20 minutes at 88–94% FTP, 5 minutes recovery. Efficient stimulus when time-crunched.
- Over-unders: 3–4×8–12 minutes alternating 1 minute at 105–110% and 2 minutes at 95–100%. Trains lactate tolerance and clearance.
- Low-cadence torque: 4–6×6 minutes at 85–95% FTP at 60–70 rpm, 3–4 minutes easy. Improves force production and economy.
- Long ride with work: 2–4 hours endurance with 2×20 minutes at 88–92% FTP late in the ride. Targets durability.
Strength training (1–2 sessions/week) adds support for economy and injury resistance. Prioritize compound lifts (squat, deadlift, lunge, calf raise, core) in 2–4 sets of 4–8 reps with good form. Reduce volume in high-intensity bike weeks.
An 8-week progression you can follow
Adjust volume to your schedule. If you ride 5–8 hours/week, keep two quality days, one long ride, and easy endurance between. If you ride 10–12 hours, add more endurance time, not more intensity.
| Week | Quality session 1 | Quality session 2 | Endurance focus |
|---|---|---|---|
| 1 | 3×12 min @ 90–92% FTP, 5 min easy | 5×3 min @ 112% FTP, 3 min easy | 1 long ride 2–3 h Z2 |
| 2 | 2×16 min @ 95–98% FTP | 4×4 min @ 110–112% FTP | Endurance 90–120 min |
| 3 | 3×15 min @ 88–92% FTP | 3×5 min @ 115% FTP | Long ride 2.5–3.5 h, add 2×10 min @ 88–90% late |
| 4 | Deload: 2×12 min @ 88–90% FTP | 4×2 min @ 115% FTP | Cut volume 30–40%, mostly Z2 |
| 5 | 2×20 min @ 95–100% FTP | 6×3 min @ 112–115% FTP | Endurance 90–150 min |
| 6 | Over-unders 3×10 min (1 min @ 108%, 2 min @ 98%) | 3×8 min @ 104–106% FTP | Long ride 3–4 h Z2 |
| 7 | 3×20 min @ 88–92% FTP | 4×5 min @ 110–112% FTP | Endurance 90–150 min; include 4×6 min low cadence @ 90% FTP |
| 8 | Test or 1×35–50 min steady best effort | Openers: 3×3 min @ 105% FTP | Keep volume light; recover |
Place easy spins (45–75 minutes Z1–Z2) between hard days. If fatigue climbs (poor sleep, heavy legs, dropping power), drop the secondary intensity or shorten intervals. Quality beats quantity.
Testing, tracking, and adjusting
- How to set FTP: a 35–60 minute steady time trial, a modeled critical power from several best efforts (e.g., 3–12 minutes and 20–60 minutes), or a conservative ramp/20-minute estimate minus 5–10% if needed.
- Update zones when a workout feels too easy or too hard for 2–3 weeks. Small 2–5 watt changes matter.
- Use multiple signals: power, heart rate, and RPE. For endurance, look for low HR drift (<5%) at a steady wattage.
- Progress when you complete the prescription with stable power and breathing. Add minutes first, then watts.
Fueling, recovery, and common mistakes
- Sleep: 7–9 hours per night. Gains happen between sessions.
- Carbohydrates: 5–8 g/kg/day in hard weeks. On the bike, 30–60 g/h for endurance, 60–90 g/h for hard sessions or long rides. Start early in the ride.
- Protein: 1.6–2.2 g/kg/day, spread across meals; include 20–30 g within 1–2 hours post-ride.
- Hydration: aim for 500–750 ml per hour, more in heat; include sodium on longer sessions.
- Strength and mobility: 1–2 sessions/week to support economy and injury prevention.
- Common pitfalls: too much sweet spot without easy days, under-fueling intervals, skipping long rides, chasing FTP at the expense of repeatability and durability.
Bottom line: Raise the ceiling (VO2max), lift the floor (threshold and clearance), improve how you use fuel (economy), and build durability. Consistent endurance, two targeted hard sessions per week, and disciplined recovery will move your FTP—and your overall performance—upward.
