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San Francisco Half Marathon

San Francisco Half Marathon takes place on Sun, Feb 7, 2027 in San Francisco, United States. The main route is 21.1 km.

Date
Sun, Feb 7, 2027
Start
San Francisco 🇺🇸
Distance
21.1 km
Level
Open to all
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Your 20-week plan to San Francisco Half Marathon

The Base 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.

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The half marathon runs through Golden Gate Park and along the Pacific Ocean, on a fast, flat, USATF-certified course.

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 San Francisco Half Marathon is 20 weeks away. This is how a coach divides that time. The first phase starts now.

  1. 01Base8 weeks · Sep 21, 2026 – Nov 15, 2026

    Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.

  2. 02Build6 weeks · Nov 16, 2026 – Dec 27, 2026

    Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.

  3. 03Peak3 weeks · Dec 28, 2026 – Jan 17, 2027

    The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.

  4. 04Taper2 weeks · Jan 18, 2027 – Jan 31, 2027

    Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.

  5. 05Race week1 week · Feb 1, 2027 – Feb 7, 2027

    Openers, rest and logistics. The work is done; the job now is arriving fresh.

Get this plan built around your own fitness

Frequently asked questions

When is San Francisco Half Marathon?

San Francisco Half Marathon takes place on Sun, Feb 7, 2027 in San Francisco, United States.

How long is San Francisco Half Marathon?

The main route is 21.1 km.

Who is San Francisco Half Marathon for?

San Francisco Half Marathon is open to all participants.

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