Event programsCyclingStrength

Century: 12 weeks, peaks at ~10 h.

100 miles (160 km), mostly flat or rolling, ridden in groups: steady aerobic power, drafting and eating on the clock. That's the intermediate plan; beginner runs 16, advanced runs 10 weeks.

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Your race day, your level, your hours.

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Written for where you are.

Beginner
16 weeks, 4–9 h/week: from 30–40 miles to your first 100, with group skills and three fuelling rehearsals.Shortest runway 7 weeks · research minimum 8 · 5 sources
16 wk
4-9 h a week
Intermediate
12 weeks, 6–10 h/week: threshold and over-unders for the group's surges, long rides to 80–90 mi at race g/h.Shortest runway 7 weeks · research minimum 7 · 4 sources
12 wk
6-10 h a week
Advanced
10 weeks, 8–12 h/week, for riders who already have the base: race-pace durability and VO2 to ride the front.Shortest runway 6 weeks · research minimum 6 · 4 sources
10 wk
8-12 h a week

The checklist comes with it.

T-14Ride with a group at least twice in the build; do EV4 once if you're new to group riding.
T-7Tyres 28–32 mm; two tubes or a plug kit, CO2 or a pump, a multitool.
T-3Route with the aid stations marked; two bottle cages; chamois cream and sunscreen; lights if the ride could run past daylight.
T-2Carb-load 10–12 g/kg/day for 36–48 h.
T-1Openers (R2).
race morningHold the first hour at or below the bottom of your pacing band; hold your line and point out hazards in the group.

Every plan cites its homework.

  1. 1Helios research dossier — cycling events
  2. 2TrainingPeaks — century training guide
  3. 3TrainerRoad — how to prepare for your first century
  4. 4SoCal Cycling — how to plan century ride training
  5. 5Thomas, Erdman & Burke 2016 — ACSM/AND/DC nutrition and athletic performance

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