Big Sur International Marathon takes place on Sun, Apr 25, 2027 in Big Sur, United States. The main route is 42.2 km.
- Date
- Sun, Apr 25, 2027
- Start
- Big Sur 🇺🇸
- Distance
- 42.2 km
- Climbing
- 665 m
- Level
- Open to all
Your 29-week plan to Big Sur International 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.
Build my planFree to start · No credit card
The Big Sur International Marathon is a point-to-point course run on scenic CA Highway 1 from Big Sur to Carmel featuring towering redwoods, crashing waves, and the iconic Bixby Bridge.
What this race demands
The Big Sur International Marathon demands sustained endurance over a 42.2 km point-to-point road course featuring 665 m of elevation gain.
Aerobic endurance
Covering the full 42.2 km marathon distance requires a high level of aerobic conditioning and efficient pacing over several hours.
Climbing and descending
The 665 m of elevation gain distributed across the point-to-point highway route requires targeted strength to manage rolling terrain.
Pacing discipline
Sustaining a consistent effort on Highway 1 demands early restraint to preserve glycogen and muscle integrity for the late stages.
A target intake of 60 to 90 grams of carbohydrates per hour is recommended to sustain energy levels across an event lasting several hours.
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
4:20–5:15
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 Big Sur International Marathon is 29 weeks away. This is how a coach divides that time. The first phase starts now.
01Base17 weeks · Oct 5, 2026 – Jan 31, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Feb 1, 2027 – Mar 14, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Mar 15, 2027 – Apr 4, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Apr 5, 2027 – Apr 18, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Apr 19, 2027 – Apr 25, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Big Sur International Marathon?
Big Sur International Marathon takes place on Sun, Apr 25, 2027 in Big Sur, United States.
How long is Big Sur International Marathon?
The main route is 42.2 km.
What does Big Sur International Marathon demand?
The Big Sur International Marathon demands sustained endurance over a 42.2 km point-to-point road course featuring 665 m of elevation gain.
How much climbing does Big Sur International Marathon have?
Big Sur International Marathon has 665 m of climbing.
Who is Big Sur International Marathon for?
Big Sur International Marathon is open to all participants.
Similar races
Organising this race?