Key Takeaways
- The Hansons Method builds training around cumulative fatigue — running key workouts on pre-fatigued legs to simulate the late stages of a marathon.[1]
- Four distinct pace zones: Easy/Long, Marathon Pace, Tempo, and Speed (5K–10K equivalent).[1]
- The long run is capped at 16 miles — not 20+ — because cumulative weekly mileage provides the endurance stimulus.
- SOS (Something of Substance) days are the 3 key quality sessions per week. All other days are easy effort.[2]
What Is the Hansons Marathon Method?
Developed by brothers Keith and Kevin Hanson, the Hansons Marathon Method is a structured training philosophy that has guided runners from 2:10 elites to first-time marathoners. The core principle is cumulative fatigue: rather than one single long run to simulate race-day exhaustion, the plan accumulates fatigue throughout the training week.[1]
This approach means your marathon-pace workouts and tempo runs happen on legs that are already somewhat fatigued from previous days — which more accurately replicates how you'll feel at mile 18–22 on race day. For a complementary pace analysis, check our VO2 Max Runners Calculator.
The Four Training Zones
Easy / Long Run
Marathon pace + 60–90 seconds per mile. This zone makes up the majority of your weekly mileage. It builds aerobic base without adding recovery-limiting stress. The long run is done at this pace and capped at 16 miles.
Marathon Pace (Strength)
Your goal marathon pace, exactly. These workouts teach your body to sustain race effort on cumulative fatigue. Typically 10–16 miles of total MP running within a workout.
Tempo
Marathon pace minus 10–15 seconds per mile. Sustained efforts of 6–10 miles that improve your ability to clear metabolic byproducts and maintain faster paces.
Speed (5K–10K Pace)
Intervals at 5K to 10K race-equivalent pace. Develops VO2max, running economy, and neuromuscular coordination. Performed as 400m–mile repeats.
Heat & Humidity Adjustment
Running performance degrades in warm conditions. The calculator offers an optional pace adjustment:[2]
- Warm (60–70°F / 15–21°C): Add 2–3% to all paces
- Hot (70–80°F / 21–27°C): Add 4–6%
- Very hot (80°F+ / 27°C+): Add 7–10%+
High humidity compounds the effect. When in doubt, slow down — training adaptations happen at the physiological effort level, not the pace number on your watch.
Understanding SOS Days
The Hansons plan structures each week around 3 SOS (Something of Substance) days. These are the speed, tempo/MP, and long run sessions — the workouts that drive fitness adaptations. The remaining days are easy runs that maintain volume without compromising recovery for the next SOS session. This structure ensures quality in the sessions that matter most.
Frequently Asked Questions
Sources & References
- Hansons Marathon Method: Run Your Fastest Marathon the Hansons Way. Humphrey L, Hanson K, Hanson K. VeloPress (2nd ed.) (2016)
- Environmental effects on marathon performance. Ely MR, et al.. Medicine and Science in Sports and Exercise (2024)
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Disclaimer: This tool is for informational and personal journaling purposes only. Results are estimates based on published formulas and may vary based on individual factors such as genetics, training history, and measurement technique.