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A finish time, a date, your available days. See the time ahead and compare programme requirements.
Compare your target time, reported level and race date. See how much time you have to prepare a suitable plan.
Calculated as of Oct 11, 2026 → Mar 10, 2027
Without a comparable result, no current fitness level is estimated.
Marathon performance especially depends on specific preparation. Terrain, weather, fuelling and fitness changes are not modelled. No weekly gains or success probabilities are calculated.
Model goal: Finish, with no set time
12 weeks · 3 runs / week
Full cycle starts: Dec 21, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 110 running minutes per week, a comfortable 55-minute run and 3 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 2:30:00
14 weeks · 3 runs / week
Full cycle starts: Dec 7, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 120 running minutes per week, a comfortable 60-minute run and 3 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 2:15:00
14 weeks · 3 runs / week
Full cycle starts: Dec 7, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 120 running minutes per week, a comfortable 60-minute run and 3 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 2:10:00
14 weeks · 3 runs / week
Full cycle starts: Dec 7, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 120 running minutes per week, a comfortable 60-minute run and 3 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 2:00:00
12 weeks · 4 runs / week
Full cycle starts: Dec 21, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 160 running minutes per week, a comfortable 65-minute run and 4 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 1:55:00
14 weeks · 4 runs / week
Full cycle starts: Dec 7, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 185 running minutes per week, a comfortable 75-minute run and 4 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 1:50:00
14 weeks · 4 runs / week
Full cycle starts: Dec 7, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 185 running minutes per week, a comfortable 75-minute run and 4 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 1:45:00
14 weeks · 4 runs / week
Full cycle starts: Dec 7, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 185 running minutes per week, a comfortable 75-minute run and 4 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 1:40:00
14 weeks · 5 runs / week
Full cycle starts: Dec 7, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 240 running minutes per week, a comfortable 80-minute run and 5 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 1:35:00
14 weeks · 6 runs / week
Full cycle starts: Dec 7, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 270 running minutes per week, a comfortable 80-minute run and 6 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesModel goal: 1:30:00
14 weeks · 6 runs / week
Full cycle starts: Dec 7, 2026
The full cycle fits within this calendar.
Available days still need to be specified.
Starting points: at least 270 running minutes per week, a comfortable 80-minute run and 6 available days. Build this consistency for at least six weeks. A time goal also needs a compatible recent performance.
View weeks and prerequisitesChoose a term for its definition and an illustrated example.
The calendar counts days between the calculation date and the race without assuming improvement. A confirmed result uses the equivalence T₂ = T₁ × (D₂ / D₁)^1.06. This assumes comparable effort and suitable distance-specific preparation; it predicts neither future fitness nor chances of success. Programme models keep their full duration.
No. Results and methods are freely available.
Your inputs, result and method version, in your private resources. Your plan and personal records are not changed.
A date and an old finish time cannot establish that. Recent training volume, consistency, recovery, terrain and health constraints also matter. This tool compares conditions. Plan adaptation must then check your context; no programme is applied automatically.
Explore a finish-time estimate based on a recent performance and its limitations.
Try the toolTurn your pace into kilometre-by-kilometre checkpoints.
Try the toolCompare goals, weekly runs and prerequisites before choosing.
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