Summary: a four-phase build (Foundation, Build, Peak, Taper) with a cutback week every fourth week, two strength sessions weekly, and a peak long run of 32 km in Week 13 — six weeks later than the discarded draft scheduled the same distance.
Origin: versioning starts at v2 — an earlier private draft with a much steeper ramp (55 km/week by Week 5) was discarded before ever taking effect, after it failed a basic check against the ~10%-per-week guideline. Full reasoning in the journal entry.
Week by week
| Week | Phase | Target mileage | Long run | Notes |
|---|---|---|---|---|
| W1 | Foundation | 24 km | 8 km | 3 easy runs + 2 strength sessions |
| W2 | Foundation | 27 km | 10 km | |
| W3 | Foundation | 30 km | 11 km | |
| W4 | Foundation | 22 km | 8 km | Cutback week + strength benchmark test |
| W5 | Build | 32 km | 14 km | Tempo intervals begin |
| W6 | Build | 35 km | 16 km | |
| W7 | Build | 38 km | 17 km | |
| W8 | Build | 28 km | 13 km | Cutback week |
| W9 | Build | 40 km | 18 km | |
| W10 | Peak | 44 km | 20 km | Goal-pace long-run segments introduced |
| W11 | Peak | 47 km | 22 km | |
| W12 | Peak | 34 km | 15 km | Cutback week |
| W13 | Peak | 42 km | 32 km | Peak long run |
| W14 | Taper | 32 km | 16 km | |
| W15 | Taper | 24 km | 12 km | |
| W16 | Taper | 16 km | 8 km | |
| W17 | Race week | 10 km | — | BYD Singapore Marathon 2026 race day — 4 Dec 2026 |
All figures are targets from the written plan, not logged training. Actual sessions appear on the Plan vs. actual view and the Dashboard as weeks complete.
Affected sessions
All 17 weeks of running volume, plus the addition of a second weekly strength session throughout.