This tool calculates Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) for triathletes.

Input your age, weight, height, and activity level to get your BMR and TDEE.

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Understanding your caloric needs is vital for balancing swim, bike, and run training, especially over long distances.

Examples for Triathlon

Sprint Triathlon Athlete
BMR: 1,640 kcal, TDEE: 2,450 kcal
This athlete has a solid energy requirement for their sprint triathlon training and recovery.
Ironman Competitor
BMR: 1,860 kcal, TDEE: 3,150 kcal
Higher caloric needs due to extensive training sessions in preparation for an Ironman.
Multisport Athlete
BMR: 1,700 kcal, TDEE: 2,700 kcal
Balanced energy needs for a multisport athlete engaging in regular training across disciplines.
Age-Group Competitor
BMR: 1,800 kcal, TDEE: 2,900 kcal
This athlete's caloric intake is crucial for performing at their best in age-group competitions.
Open Water Swimmer
BMR: 1,550 kcal, TDEE: 2,350 kcal
Essential energy calculation for open water swimming training sessions.

Understanding BMR and TDEE

BMR represents the number of calories your body needs at rest, while TDEE accounts for your daily activities. Knowing these numbers helps you tailor your nutrition to your training demands.

Balancing Nutrition Across Disciplines

Different triathlon disciplines require varying nutritional strategies. For instance, endurance training may necessitate higher carbohydrate intake compared to strength-focused sessions.

Preventing Burnout

Maintaining a balanced diet based on your calculated caloric needs can help prevent burnout from high training volumes, allowing for sustained performance throughout your triathlon season.

Tips for Triathlon

  1. Track your food intake to ensure you're meeting your TDEE during heavy training periods.
  2. Adjust your caloric intake based on training intensity and recovery days to optimize energy levels.
  3. Consider meal prepping to manage your nutrition effectively around your busy training schedule.

Track all your triathlon metrics in FirstRep. Start free with up to 3 clients.

Frequently Asked Questions

How often should I calculate my BMR and TDEE?

It's advisable to recalculate your BMR and TDEE every few months or when your weight, activity level, or training intensity changes.

What if my TDEE seems too high or low?

If your TDEE seems off, double-check your inputs for accuracy and consider consulting with a nutritionist for personalized advice.