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Periodized Rowing Training: How to Structure Phases for Long-Term Erg Gains

April 17, 20266 min read

Training without a plan works — for a while. Eventually, doing random workouts stops producing results. Periodisation is the structured alternative: organising your training into phases that build on each other toward a specific goal. Here's how it works for indoor rowing.

What periodisation is

Periodisation means dividing your training into blocks (phases), each with a different emphasis. Instead of doing the same mix of sessions every week, you shift the balance of intensity and volume over time.

The concept is simple: you can't develop all fitness qualities at once. Aerobic base, threshold pace, race-pace power, and tapering for performance each need focused attention. Periodisation gives each quality its turn.

The four phases

1. Base phase (4–6 weeks)

Focus: Build aerobic capacity with high-volume, low-intensity training.

| Metric | Target | |---|---| | UT2 volume | 85% of total | | UT1 volume | 10% | | AT/higher | 5% | | Sessions/week | 4–6 | | Rate range | 18–22 |

This is where you lay the foundation. Every minute of steady-state rowing in this phase contributes to a larger aerobic engine. It won't feel like hard training — that's the point.

Sample week (5 sessions):

  • Mon: 60 min UT2 r20
  • Tue: 3×20 min UT2 r20 / 2 min rest
  • Wed: Rest
  • Thu: 4×10 min UT1 r24 / 3 min rest
  • Fri: Rest
  • Sat: 2×30 min UT2 r20 / 3 min rest
  • Sun: 45 min UT2 r18 (recovery pace)

2. Build phase (4–6 weeks)

Focus: Introduce more intensity while maintaining the aerobic base.

| Metric | Target | |---|---| | UT2 volume | 70–75% of total | | UT1 volume | 15% | | AT/higher | 10–15% | | Sessions/week | 4–6 | | Rate range | 18–28 |

The build phase adds UT1 intervals and threshold work. You'll start to feel the training more acutely — sessions are harder, and recovery between hard days matters.

Sample week (5 sessions):

  • Mon: 60 min UT2 r20
  • Tue: 4×8 min AT r28 / 4 min rest
  • Wed: Rest
  • Thu: 3×15 min UT1 r24 / 3 min rest
  • Fri: Rest
  • Sat: 2×30 min UT2 r20 / 3 min rest
  • Sun: 50 min UT2 r18

3. Peak phase (2–4 weeks)

Focus: Race-specific work. The highest intensity block.

| Metric | Target | |---|---| | UT2 volume | 60–65% of total | | UT1 volume | 15% | | AT/TR/AN | 20–25% | | Sessions/week | 4–5 | | Rate range | 18–32 |

Peak phase introduces race-pace intervals (TR and AN zones) alongside threshold work. Volume decreases slightly as intensity increases.

Sample week (5 sessions):

  • Mon: 50 min UT2 r20
  • Tue: 6×500m AN r32 / 3 min rest
  • Wed: Rest
  • Thu: 3×10 min AT r28 / 4 min rest
  • Fri: Rest
  • Sat: 4×1000m TR r30 / 4 min rest
  • Sun: 40 min UT2 r18

4. Taper (1–2 weeks)

Focus: Reduce volume, maintain intensity, arrive fresh for the test or race.

| Metric | Target | |---|---| | Volume reduction | 40–60% of peak volume | | Intensity | Maintain — keep 1–2 short, sharp sessions | | Sessions/week | 3–4 |

The taper is where many rowers go wrong. The instinct is to keep training hard right up to race day. Instead, cut volume significantly while keeping a few short, race-pace efforts to stay sharp.

Sample taper week:

  • Mon: 30 min UT2 r20
  • Tue: 4×500m at goal pace r30 / 4 min rest
  • Wed: Rest
  • Thu: 20 min UT2 r18
  • Fri: Rest
  • Sat: 2×500m at goal pace (sharpener) / 5 min rest
  • Sun: Race day

Sample 16-week macrocycle

Here's how the four phases fit together for a 2K goal:

| Weeks | Phase | Focus | Key sessions | |---|---|---|---| | 1–6 | Base | UT2 volume | 60 min continuous, 3×20 min, long rows | | 7–12 | Build | Add UT1 + AT | 4×8 min AT, 3×15 min UT1, 60 min UT2 | | 13–15 | Peak | Race-pace | 6×500m AN, 3×10 min AT, 4×1K TR | | 16 | Taper | Reduce volume | Short sharp pieces, light UT2, full rest |

Within each phase, plan for a deload week every 3–4 weeks: reduce volume by 30–40% while keeping session structure the same. This allows the body to absorb the training load.

Intensity distribution by phase

The shift in training distribution across phases follows the polarised model:

| Zone | Base | Build | Peak | Taper | |---|---|---|---|---| | UT2 | 85% | 72% | 62% | 70% | | UT1 | 10% | 15% | 15% | 10% | | AT | 5% | 10% | 13% | 15% | | TR/AN/Max | 0% | 3% | 10% | 5% |

Notice that even in the peak phase, UT2 remains the majority. Intensity increases relatively, but volume decreases — the total amount of hard work doesn't explode.

Planning around a goal date

Count backward from your target test or race:

  1. Race day: fixed
  2. Taper: 1–2 weeks before race
  3. Peak: 2–4 weeks before taper
  4. Build: 4–6 weeks before peak
  5. Base: everything before build (minimum 4 weeks)

If you have 16 weeks, the 6-6-3-1 split works well. If you have fewer weeks, compress the base and build phases — but never skip the taper.

Deload weeks

Every 3–4 weeks, schedule a deload:

  • Reduce total volume by 30–40%
  • Keep session types the same (just shorter)
  • Maintain any intensity work but reduce the number of intervals
  • Use the extra recovery for technique drills, flexibility, or cross-training

Deloads prevent overtraining and often lead to a performance bump in the following week.

How ErgBuddy auto-periodises

When you set a goal in ErgBuddy — for example, a 2K test 16 weeks away — the generated programme automatically structures phases with appropriate intensity distribution. Zone splits come from your pace zones, and session types progress through base, build, peak, and taper.

If your goal date changes or you update a benchmark, the programme recalculates to keep the phase structure appropriate for the time remaining.

Further reading