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Photo: Dietz & Watson Philadelphia Half Marathon

Dietz & Watson Philadelphia Half Marathon training plan: 2026 race guide

Philadelphia, United States21 November 2026

Start trainingOfficial entry & details

Verified Philadelphia Half Marathon 2026: date, location, official course signals, training timeline, tools, and race-week checks.

Updated and verified Oct 18, 2026

The race at a glance

Route and elevation

Official race distance: 21.0975 km on road. Official course profile: rolling. Use the current organizer map and athlete guide for final elevation, aid-station, turn and cutoff details.

Race guide

Race overview

Dietz & Watson Philadelphia Half Marathon is listed for Philadelphia, United States. The organizer lists 2026-11-21. Confirm your own distance or division schedule before booking travel.

Official event information was checked on 2026-10-18. Entry status at this check: Sold out; charity places may have separate availability. Availability may change.

Final official-source checklist

Within race week, reopen the official event page and confirm date, venue, start procedure, entry status, course, rules, equipment, cutoffs and emergency guidance. Keep the current athlete guide available offline if the organiser provides one.

Further reading

Training plan and timing

Compare the start dates below, then choose a plan that fits your current training and available time.

2 weeks and 4 days remain until the listed 21 November 2026 race day.

  1. Start12 September 2026
  2. Build10 weeks
  3. Taper2 weeks
  4. Race day21 November 2026

All standard starts have passed. Choose a plan that matches your current readiness or a later event; do not compress missed weeks.

10-week plan option

Compare 5 other plan lengths
  • 12-week plan
    Suggested start date passed: 29 August 2026
  • 14-week plan
    Suggested start date passed: 15 August 2026
  • 16-week plan
    Suggested start date passed: 1 August 2026
  • 18-week plan
    Suggested start date passed: 18 July 2026
  • 20-week plan
    Suggested start date passed: 4 July 2026
View 10-week plansView 12-week plansView 14-week plansView 16-week plansView 18-week plansView 20-week plans

Need a printable plan? Download the Half marathon training plan PDF.

Race-day strategy

  • Hold effort steady on rises and let kilometre splits change.
  • Use descents to relax, not to force back every lost second.
Open race calculators and tools
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Running pace calculatorRace time predictorTraining start-date calculatorHalf marathon training plan PDF

Race-week logistics

Use the current organiser guide for schedules, transport, cutoffs, equipment, and other time-sensitive instructions.

Current details to confirm: start schedule, expo, bib pickup, transport, cutoffs, equipment rules, entry price.

Adaptive AI coach for iPhone

Your race deserves more than a static plan.

Your adaptive AI coach builds around this finish line, follows the training you complete, and adjusts upcoming work around recovery, travel, missed sessions, and race week.

Start training now

FAQs

When is this race?

The organizer lists 2026-11-21. Confirm your own distance or division schedule before booking travel. Source checked 2026-10-18.

Where is this race?

The official event page lists Dietz & Watson Philadelphia Half Marathon in Philadelphia, Pennsylvania, United States. Confirm the venue address and access instructions on the current event page.

How long should I train for this race?

Compare the 10, 12, 14, 16, 18, 20 week plans with your current consistency, event-specific demands, recovery and available runway. Do not compress missed weeks if a standard start date has passed.

What should I verify before entering this race?

Check the current date, entry status, eligibility, course or venue layout, equipment, cutoffs, cancellation terms and travel demands on the official organiser page.

Is the course information for this race final?

No. The distance and current high-level course signals come from official organizer material. Use the latest map or GPX, athlete guide, elevation profile, aid plan and cutoff table for final decisions.

Can a calculator predict my race result?

No. Calculators organize assumptions. Weather, terrain, venue flow, transitions, nutrition, health, crowding and late-race fatigue can change the result.

How many weeks until this race?

The listed event starts 2026-11-21. Use the training start-date calculator for the current runway. If racing is already underway, follow your individual start schedule rather than starting a new build.

Keep going

Half Marathon Race Calendar and Athlete Guides

Browse 29 official-source half-marathon events by date and place, with race guides, course details, entry information and training tools.

Open guide

Half Marathon Training Plans: 10–20 Weeks

Choose a 10–20 week half marathon plan using running consistency, long-run readiness, recovery, schedule and race-date checks.

Open guide

Strength training for running economy: what to do (without ruining your runs)

Evidence-informed protocol: Strength training for running economy: what to do (without ruining your runs). Practical steps, who it helps, and what to watch out for.

Open guide

Sources