Accept and Embrace Your Pace
The first step to training for a 12 mile run is to accept that you are not going to suddenly transform into a fast runner overnight. And that's okay! We all have different natural paces based on a wide variety of factors like genetics, age, fitness level, etc. Comparing your pace to others is an exercise in futility and will only damage your confidence.
Instead, embrace your slow pace with pride and focus on the incredible feat your body is achieving each time you head out for a run. Any amount of running is commendable, no matter how fast or slow you move. Once you shift your mindset away from pace envy, you'll be in the right headspace to tackle a 12 mile run.
Set a Realistic Pace Goal
Based on your current fitness level, set a realistic goal pace for your 12 mile run. This should be a pace you can maintain for 60-90 minutes consistently in your current training runs. For newer runners, that might be 14 or 15 minute miles. More experienced runners may aim for 13 minute miles.
This goal pace should feel comfortable without too much strain. You want to set yourself up for success instead of failure by establishing an unreasonable pace goal.
Focus on Completion
Rather than getting fixated on your pace, make completing the 12 miles your primary goal. All those miles are a big achievement, regardless of speed. Celebrate hitting each new longest distance milestone throughout your training.
Slow and Steady Training
Consistency over intensity is key when training for a 12 mile run. Slow runners often try increasing intensity too quickly, leading to injury, burnout, and inadequate recovery between runs. Follow these tips for steady, sustainable training:
Build Gradually
Increase your weekly mileage no more than 10% at a time. This gradual buildup allows your body to adapt to the training stress and get stronger over time. Ramping up too aggressively will overwhelm your body.
Slow Down on Hard Days
When you schedule challenging workouts that require more effort, adjust your pace accordingly. Cut back by 1-2 minutes per mile on speed work days or long runs. Save the hard pushing for designated intense sessions.
Take Recovery Days
At least one rest or cross training day between run days is crucial. This allows your muscles time to repair and restore. Wake up sore? Take an extra rest day.
Listen to Your Body
If something doesn't feel right, don't try to push through pain. Minor aches are expected, but sharp persistent pains are a red flag. Better to take a few days off than get an overuse injury.
Incorporate Cross Training
Supplementary cross training is invaluable for injury prevention and building overall fitness as you prepare for your 12 mile conquest. Try incorporating 1-2 days per week of:
Strength Training
Focus on major muscle groups like legs, core, and glutes. This strengthens running muscles and improves durability.
Yoga
Yoga improves flexibility, body awareness, and mind-body connection. This aids running recovery and technique.
Cycling or Swimming
Low impact cardio like swimming and biking gives your running muscles a break while enhancing endurance.
Target Key Workouts
While most of your runs should be at an easy sustainable pace, strategically incorporate these challenging workouts 1-2 times per week:
Long Runs
Build up to doing one run per week at 12 mile distance. This prepares you mentally and physically.
Fartleks
Include some fartlek sessions which are bursts of faster running mixed into your regular runs. This adds speedwork.
Hill Repeats
Run short repeats up steep hills to build leg strength and power. This mimics the effort needed to complete your long run.
Race Pace Runs
On one weekly run, do 2-4 miles at your 12 mile goal pace. This trains your body to hold the pace needed on race day.
Nail Down Nutrition and Hydration
Providing your body with the right fuel and fluids is crucial when training for and completing a 12 mile run. Follow these nutritional tips:
Carb Load
In the 2-3 days leading up to your long run, increase carbohydrate intake to stock energy reserves. Good sources are whole grains, rice, and potatoes.
Hydrate Well
Drink plenty of water in the days preceding and morning of your long run. Being well hydrated combats fatigue and muscle cramps.
Fuel Mid-Run
For runs longer than 6 miles, consume 30-60g of carbs every 45-60 minutes via sports drink, gel, or chews to maintain energy.
Eat Protein
Refuel with a protein source like yogurt, eggs, or turkey within 30 minutes post-run. This helps rebuild damaged muscle fibers.
Replenish Electrolytes
Fill depleted sodium, potassium, and magnesium stores by including an electrolyte drink or coconut water into your post-run recovery routine.
Training Schedule Example
Here is a 12 week sample training schedule for running 12 miles as a slower runner:
Week 1
Mon - Rest
Tues - 4 miles easy
Wed - Yoga or Strength Train
Thurs - 6 miles with 4x100m strides
Fri - Rest
Sat - 5 miles easy
Sun - Rest
Week 7
Mon - Rest
Tues - 4 miles easy
Wed - 8 miles progression run
Thurs - Cross Train
Fri - 4 miles easy
Sat - 9 miles with 5x400m hill repeats
Sun - Rest
Week 12
Mon - Rest
Tues - 4 miles easy
Wed - 10 miles progression run
Thurs - Cross train
Fri - 5 miles easy
Sat - 12 miles long run
Sun - Yoga or Strength Train
Race Day Tips
Finally, employ these strategies on the big day to successfully complete those 12 miles as a slower runner:
Set Realistic Expectations
Know that you'll need regular walk breaks. And that's completely okay! You trained to finish, not win.
Fuel Consistently
Hydrate well the prior days and take gels every 4-6 miles during the run to maintain energy.
Focus on Form
Monitor your posture and mechanics. Shuffle feet quickly, bend elbows at 90 degrees, and keep shoulders relaxed.
Be Patient
The miles will start adding up! Don't worry about your overall
FAQs
How long will it take me to run 12 miles if I average 15 minute miles?
At a 15 minute per mile pace, it will take about 3 hours to complete 12 miles. Be sure to account for taking occasional short walking breaks during your long run.
What should my weekly mileage be when training for a 12 mile run?
Aim to build up to 25-30 miles per week at your peak training. Make sure at least 20% of your weekly miles are at a long run distance.
What should I eat the night before a 12 mile run?
Carbo-load with pasta, rice, potatoes or other high carb foods the night before. Also make sure to hydrate well in the days leading up to your long run.
Is it better to run/walk or run slowly the entire 12 miles?
For most slower runners, a run/walk strategy will allow you to cover the 12 miles most efficiently. Take short 1-2 minute walking breaks as needed every 2-3 miles.
Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult with a healthcare professional before starting any new treatment regimen.
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