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EDP Porto Marathon pacing + fueling

Pacing rules, common mistakes, and fueling rehearsal guidance for EDP Porto Marathon.

Last updated/Mar 20, 2026, 11:57 PM
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Pacing: the simplest rule that wins

Start conservatively, settle into rhythm, and protect the last 10K. If conditions change (heat, hills, wind), pace by effort and let splits drift.

Fueling: practice, don’t guess

  • Start fueling early (many failures are “first hour” failures).

  • Pick a schedule you can repeat under fatigue.

  • Practice on long runs so race day is automatic.

Fueling baseline (adjust for you)

  • Carbs: many runners land around 60–90g carbs/hour when gut-trained; start lower if you’re new to fueling.

  • Fluids: a common starting point in mild conditions is ~300–600 ml/hour; adjust up in heat and down in cold.

  • Sodium: sweat rates vary; use the fueling planner to keep it consistent and practice in training.

Tools

Back to the athlete guide.

Verification reminder

Race details change between editions (dates move, routes get rerouted, and registration rules update). Use this page as a starting point, then confirm time-sensitive details on the official site close to race day.

Training guardrails

  • Keep easy runs truly easy so workouts stay high quality.
  • Progress one variable at a time (volume first, then intensity).
  • Use cutback weeks every 3–4 weeks to absorb training.
  • If pain changes your gait, scale back and get assessed.

How to use this guide

Treat this page as a decision checklist:

  1. Confirm the race date and official logistics.
  2. Choose a realistic training plan length (16–24 weeks is common).
  3. Practice fueling and pacing in long runs.
  4. Keep race week simple: tested shoes, tested gels, conservative start.

Verification reminder

Race details change between editions (dates move, routes get rerouted, and registration rules update). Use this page as a starting point, then confirm time-sensitive details on the official site close to race day.

Training guardrails

  • Keep easy runs truly easy so workouts stay high quality.
  • Progress one variable at a time (volume first, then intensity).
  • Use cutback weeks every 3–4 weeks to absorb training.
  • If pain changes your gait, scale back and get assessed.

Put this into action

Open the plan and tool that match this guide

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Recommended tools

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Checklist

Do this, not that

Pacing + fueling checklist

  • • Pick a conservative first 10K effort cue (not a split).
  • • Decide what ‘too hard’ feels like early and avoid it.
  • • Start fueling within the first 30–45 minutes.
  • • Rehearse your gel schedule on long runs (same timing).
  • • If it’s hot, reduce intensity early and fuel/hydrate more consistently.
  • • If it’s hilly, keep effort even; don’t chase splits uphill.
  • • Treat the halfway point as a check-in, not a green light.
  • • If you feel great at 30K, earn acceleration gradually.

iOS app

Get a plan that adapts to your life.

Get 26weeks.ai on the App Store for adaptive coaching, recovery-aware adjustments, and race-week reminders.

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Sources