Training plans/Century (100 mi)
Training plan

Century ride training plan

Get ready to ride 100 miles strong, not just survive it, with a steady endurance build.

12 weeksRiders who can comfortably ride 2 to 3 hours now and want to complete a 100 mile ride.

Overview

A century is an endurance test more than an intensity test. The one thing that matters most is a progressively longer weekend ride that teaches your body, and your fuelling, to keep going for five to eight hours.

Around that long ride you add moderate tempo and sweet spot work to raise your steady pace, so 100 miles feels manageable rather than desperate. A 12-week build that grows the long ride from three hours toward five or six, with recovery weeks, gets most riders to the line ready.

How the plan is structured

Foundation
Weeks 1-4
Consistent riding, build the weekly long ride to 3 hours.
Endurance build
Weeks 5-9
Long ride grows to 4-6 h; add tempo and sweet spot.
Sharpen and taper
Weeks 10-12
Peak long ride, then cut volume to arrive fresh.

A sample training week

MonRest
TueTempo 2x20 min (76-90% FTP)
WedEndurance 60-75 min (zone 2)
ThuSweet spot 3x12 min
FriRest or easy spin
SatLong ride, progressive toward 5-6 h
SunEasy endurance 60-90 min

Key workouts

Progressive long ride
The main session. Add 20 to 30 min most weeks, with a recovery week every three to four weeks.
Tempo blocks
2x20 min at 76-90% FTP, to raise the pace you can hold all day.
Back-to-back weekend
A long Saturday plus a solid Sunday endurance ride, to build fatigue resistance.

Tips to get it right

  • Dial in fuelling on your long rides. 60 to 90 g of carbs per hour and steady drinking beats bonking at mile 80.
  • Train at the pace and in the position you plan to ride the century.
  • Grow the long ride gradually. Jumping the weekend ride too fast is how riders get injured or overtrained.

Frequently asked questions

How long does it take to train for a century ride?

If you can already ride 2 to 3 hours, about 12 weeks is comfortable. Complete beginners may want 16 weeks to build the long ride safely.

What is the most important workout?

The weekly long ride. Extending it steadily, with recovery weeks, is what prepares your body and fuelling for 100 miles.

Do I need a power meter?

No, but training to power or heart-rate zones makes pacing and progress much clearer. TrainCraft scales the plan to your FTP so the targets stay right as you improve.

Related training plans

Gran fondo plan →FTP builder plan →

Ready to build your century (100 mi) plan?

Create it in TrainCraft and it adapts around your fitness and fatigue when life gets in the way.