Gate 14 Fitness Journal

Redondo Beach

Surf City Marathon Strength Prep for South Bay Runners

The Surf City USA Marathon in Huntington Beach draws South Bay runners every February. Here's how the strength training work at Gate 14 El Segundo — started in the fall and maintained through the build — produces runners who finish strong.

The Gate 14 Coaching Team·Strength & Conditioning Coaches, Gate 14 El Segundo·Updated May 2026·2 min read

Surf City USA Marathon runs the Pacific Coast through Huntington Beach every February. It's one of the most runner-friendly early-season marathons in Southern California — a flat, fast course that draws serious runners aiming for Boston qualifying times alongside first-timers. South Bay runners make up a significant portion of both categories.

The February date changes how you plan. A fall strength block starting in September or October is the training window that matters most for Surf City.

The February marathon training window

A February race means your peak mileage weeks fall in December and January — during the holidays, shortened daylight, and cooler beach weather. Runners who start November 1 with a strong strength foundation are better positioned to absorb that December-January mileage load.

The fall window from September through November is also the best weather in the South Bay for strength training — not too hot, not too compressed. That 10-12 week strength block before the real marathon build creates the structural capacity that handles high mileage without breakdown.

What Surf City's course demands

The Surf City course runs the Pacific Coast Highway and Huntington Beach streets. It is flat and fast, which rewards running economy (efficiency) over pure aerobic capacity. Runners who have built posterior chain strength and hip stability through gym work maintain better mechanics across 26.2 flat miles than those who haven't.

Where Surf City runners lose time:

  • Miles 18-22: posterior chain fatigue causes the stride length collapse that kills finishing pace
  • Late-race calf and Achilles fatigue in athletes who undertrained the ankle complex
  • Hip instability creating lateral energy waste that accumulates over flat, repetitive terrain

All three have direct gym training interventions.

The strength program for Surf City prep

Training calendar for a February marathon:

PhaseMonthsGym focus
FoundationSeptember-October3x/week, build posterior chain and single-leg strength
BuildNovember-December2x/week alongside mileage build
PeakJanuary1x/week maintenance only
TaperLast 2-3 weeksSkip or very light, don't add stimulus

Key exercises for Surf City prep:

  • Romanian deadlifts and deadlifts: hamstring and glute resilience for miles 18-26
  • Bulgarian split squats: single-leg power and hip stability
  • Calf raises (both straight and bent knee): Achilles and calf load capacity
  • Dead bugs and paloff press: core stability for running posture across hours
  • Rows: upper back endurance for running posture late in the race

Gate 14 and the South Bay running community

Redondo Beach, Hermosa Beach, and the South Bay produce serious marathon runners. The coastal running culture here means many athletes run Surf City, LA Marathon, and Long Beach in the same calendar year — three fall-to-spring races that reward year-round strength development.

Gate 14's coached class format works for marathon runners because the programming is managed for them. They show up, train what the coach programs, and leave. No designing your own periodization on top of an already complex training schedule.

See strength training for runners in the Beach Cities for the full running S&C framework. See Gate 14 membership options or gate14.net/thegate14.

Frequently asked questions

When should South Bay runners start Surf City Marathon prep?
For a February marathon, the ideal training build starts in October — 16-20 weeks out. Strength training for Surf City should begin in September or October alongside base mileage, so the structural foundation is built before peak training loads arrive.
What's the difference between Surf City and LA Marathon prep?
The preparation principles are identical — the timing differs. Surf City is a February race; LA Marathon is March. Surf City runners peak 4-6 weeks earlier, meaning the fall strength block is the critical window. Both events are flat, fast courses that reward running economy built in the gym.
Does strength training interfere with marathon mileage?
At moderate volume (2x/week), no. A 2014 study in the Scandinavian Journal of Medicine & Science in Sports found that concurrent strength and endurance training did not impair aerobic adaptation. The key is timing strength sessions away from long runs and managing total training load — which Gate 14's coaches help with.
How far is Gate 14 from Surf City Marathon start?
Gate 14 is at 130 E. Grand Ave, El Segundo — about 25-30 minutes from the Huntington Beach start. Redondo Beach and Hermosa Beach runners use Gate 14 as their strength base for fall marathon prep.

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