Deterministic Planning Baseline
Sub-5:15 Marathon Strategy & GU & SiS Isotonic Fueling: Flat & Fast Course
Calibrated negative split pacing gates, mile-by-mile target splits, and GU & SiS Isotonic schedule to achieve a Sub-5:15 Marathon on a flat & fast course. Prevent hitting the late-race wall.
⚠️ HIGH RISK OF HITTING THE WALL (MILE 19 - 22)
Even Pacing Risks Running Out of Energy by Mile 20 at 11:53/mi
Over 70% of runners targeting 5h 11m 43s hit the wall in the final 10K by going out too fast in the opening miles. Negative split pacing and hydration timing locked in dossier.
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Predicted Finish
5h 11m 43s
Estimated target time
Target Mile Pace
11:53 / mi / mi
Goal cruising cadence
Gel Fueling Brand
Gu_Sis
Every 5 miles on course
Split Strategy
Negative Split
Conserve energy early
Official Marathon Fuel Pack
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Gel 100, Gel 160, and Drink Mix 320 bundled for your exact race pacing schedule.
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