Dietz & Watson Philadelphia Half Marathon takes place on Sat, Nov 21, 2026 in Philadelphia, United States. The main route is 21.1 km.
- Date
- Sat, Nov 21, 2026
- Start
- Philadelphia 🇺🇸
- Distance
- 21.1 km
- Level
- Open to all
Your 7-week plan to Dietz & Watson Philadelphia Half Marathon
The Build phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
Build my planFree to start · No credit card
Athletes start along the Benjamin Franklin Parkway in the cultural Museum District and wind through Philadelphia’s most scenic and historic neighborhoods over a 13.1-mile course.
What this race demands
This half marathon requires sustained aerobic capacity and efficient pacing over a 21.1-kilometer road course in late November.
Aerobic endurance
The 21.1-kilometer distance demands a high level of cardiovascular fitness to sustain running pace over the entire duration.
Pacing discipline
Navigating urban historic neighborhoods and the Benjamin Franklin Parkway requires controlled early pacing to prevent premature fatigue.
For a half marathon effort likely lasting over 1.5 to 2.5 hours, athletes should consume 30 to 60 grams of carbohydrates per hour depending on total duration.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
1:45–2:10
Peak-week training
5–7 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Your road to race day
Race day at Dietz & Watson Philadelphia Half Marathon is 7 weeks away. This is how a coach divides that time. The first phase starts now.
01Build1 week · Oct 4, 2026 – Oct 10, 2026
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
02Peak3 weeks · Oct 11, 2026 – Oct 31, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
03Taper2 weeks · Nov 1, 2026 – Nov 14, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
04Race week1 week · Nov 15, 2026 – Nov 21, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Dietz & Watson Philadelphia Half Marathon?
Dietz & Watson Philadelphia Half Marathon takes place on Sat, Nov 21, 2026 in Philadelphia, United States.
How long is Dietz & Watson Philadelphia Half Marathon?
The main route is 21.1 km.
What does Dietz & Watson Philadelphia Half Marathon demand?
This half marathon requires sustained aerobic capacity and efficient pacing over a 21.1-kilometer road course in late November.
Who is Dietz & Watson Philadelphia Half Marathon for?
Dietz & Watson Philadelphia Half Marathon is open to all participants.
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