How to choose a realistic marathon goal time (avoid blowing up)
A simple method using recent races, mileage, and durability to pick a target you can actually hold.
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Practical pacing guides to support your calculators and race-day decisions. Start with goal time selection, then work through splits, execution, conditions, and fueling.
Want the numbers first?
Use the Marathon Pace Calculator, then pair it with the guides below to nail execution and avoid common pacing mistakes.
Foundations: choose a goal + build your pacing plan
If you’re unsure what pace to aim for, start here. These posts help you pick a realistic goal time and set up splits that you can actually hold.
Marathon splits explained: 5K/10K/half/30K/40K checkpoints
How to interpret splits, what “good” pacing looks like, and how to spot mistakes before they compound.
Negative split pacing: who should do it and how to execute
When negative splits help, when they backfire, and a step-by-step pacing script you can follow.
The math of “time in the bank”: why starting too fast usually costs you minutes
A break-even equation + calculator showing how tiny late slowdowns erase early “banked” seconds.
Execution: hold pace on race day (without the blow-up)
These guides cover practical execution: the first 10K, dealing with GPS errors, and switching to effort using HR/RPE when pacing gets messy.
How to pace the first 10K of a marathon (exact script + what “too fast” looks like)
A step-by-step opening plan, early warning signs you’re overcooking it, and what to do if you’ve started too hot.
GPS watch pacing mistakes (bridges, tall buildings, tangents) + how to run tangents
Why your watch lies, how course measurement works, and simple tactics to run the shortest legal line without weaving.
Marathon pacing by heart rate & RPE (and why HR drifts upward)
How to pace by effort when conditions change, why HR rises over time, and what “right effort” feels like late in the race.
What pace band to wear (printable) + how to use it
How to choose splits, what to print, where to place it, and how to use it in the final 12K.
Conditions: heat, humidity, wind, hills
Conditions change your “equivalent pace.” Use these guides to adjust early (not after the damage is done) and switch to effort when required. Pair with the race conditions pace adjuster.
Pacing in heat, wind, and hills (how to adjust safely)
How to pace by effort when conditions change — including practical adjustments and common traps.
Dew point pacing guide (simple table + when to switch to effort)
A simple way to adjust pace when humidity climbs, plus a clear trigger for switching from pace targets to effort targets.
Wind pacing: why headwinds hurt more than tailwinds help (practical race plan)
How to pace into headwinds without panicking, why you can’t “make it back” with a tailwind, and how to plan splits intelligently.
Hills pacing: when to “give away” seconds on climbs (and how to avoid quad destruction)
Exactly how much time to concede uphill, what to do on the crest, and how to protect your quads for the final 12K.
Fueling: match your gels to your pacing plan
Fueling is pacing insurance. These guides help you schedule gels (and carbs per hour) so you don’t fade when the race finally starts at 30K.
Marathon fueling by finish time (gel schedule that matches your pacing plan)
Practical gel timing by finish time, plus how to adjust for slower/faster pacing, conditions, and gut tolerance.
Printable pace band (pair with fueling)
Print your splits and add gel reminders so your pacing and fueling run on autopilot.
Training: build marathon-pace durability
These posts explain the “why” behind training paces and how to structure long runs and workouts so marathon pace feels steady, not fragile.
Marathon pace workouts (how to build durability at goal pace)
Sessions that teach you to hold goal pace without overreaching — including progression formats and marathon-pace blocks.
Tempo vs threshold vs marathon pace (what each does + how to pick)
What each pace targets physiologically, when to use each in training, and how to choose when you’re time-crunched.
Long run structure for marathoners: fast-finish vs mid-run blocks vs progression
Three proven long-run formats, when each works best, and how to sequence them across a marathon block.
Can you really hold your goal pace? A marathon-pace “readiness test”
A practical test to check whether your goal pace is realistic right now, plus what to do if you’re not quite there yet.
Prediction: convert races into marathon pace
Use recent race results to estimate marathon pace (then sanity-check with mileage and marathon-pace durability). Pair with the marathon time predictor.
Marathon pace based on half marathon time (calculator + examples)
Convert half marathon performance into realistic marathon pace ranges with common adjustment rules.
Marathon pace from half marathon time (best predictor)
Use a half marathon result to estimate marathon pace with realistic adjustment ranges based on endurance.
Marathon pace from 10K time (calculator + examples)
Convert a recent 10K into realistic marathon pace ranges with conservative vs aggressive assumptions.
Marathon pace from 5K time (why it’s risky + calculator)
Project 5K fitness to the marathon and learn why short races often overpredict marathon potential.
VDOT marathon pace explained (how to use it safely)
What VDOT means, why it can mislead for marathons, and how to set a safe target using training context.
Race predictor marathon time (combine 5K/10K/half)
A practical approach that combines multiple race results into a more realistic marathon prediction range.
Race-specific pacing (Australia)
Course- and conditions-aware pacing plans. Use these with a printable pace band and effort rules from the HR/RPE guide.
Sydney Marathon pacing strategy (2026): where to hold back + downloadable pace band
A conservative-first-half script, where to “spend” effort late, and how to use a pace band without getting dragged out too fast.
Brisbane Marathon pacing strategy (2026): cool 6am start + effort-based plan for the 2-lap course
How to run the two laps evenly, where you’ll be tempted to overpush, and how to pace by effort when small changes add up.
Gold Coast Marathon pacing strategy (2026): how to execute a PB attempt
Execution rules for a fast course: the first 10K, when to lock in pace, and what to do if it’s warmer or breezier than expected.
Melbourne Marathon pacing strategy (2026): what to do if it’s windy/cool
How to manage effort into headwinds, why even pacing matters more in wind, and how to protect your quads for the late stages.
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