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The complete guide to training for a triathlon in France: distances, training volumes, key sessions and pitfalls for each of the 5 formats. Plus the French triathlon community to find your training partners.
Training for a triathlon isn't just 'run + bike + swim'. It's learning to chain the 3 disciplines, manage your energy over the total duration, and adapt your prep to a specific format. A Sprint prep (~1h30 total effort) is nothing like an Ironman prep (~10-16h effort). Picking the right format is therefore the first decision before planning your training.
This guide presents the 5 official triathlon formats, what each means concretely in training load, prep duration and key sessions. And because training alone for a triathlon is long and frustrating, we also show you how to find triathlon training partners near you via TriMates — free and no membership.
Each format requires specific preparation. Pick the one that fits your current level and ambition.
Distances : Variable depending on organisers (typically swim 200-400 m, bike 10-15 km, run 2-3 km). A learning format to discover your first multisport experience.
Weekly load : 3-5h/week
Prep duration : 8-12 weeks
Key sessions :
⚠ Pitfall to avoid : Trying to go too fast. The goal is to finish relaxed and gain confidence — not performance.
Distances : 750 m swim + 20 km bike + 5 km run (~1h-1h30 effort depending on level).
Weekly load : 4-7h/week
Prep duration : 10-14 weeks
Key sessions :
⚠ Pitfall to avoid : Underestimating the swim 'because it's short'. 750 m in open water with 100 other triathletes around is harder than 750 m alone in a pool.
See the full Sprint programmeDistances : 1.5 km swim + 40 km bike + 10 km run (~2h-3h effort depending on level). The historic Olympic format.
Weekly load : 6-10h/week
Prep duration : 12-18 weeks
Key sessions :
⚠ Pitfall to avoid : Over-training one discipline at the expense of the other two. The key to Olympic is balance between all 3.
See the full Olympic programmeDistances : 1.9 km swim + 90 km bike + 21.1 km run (~4h30-7h effort). Also called 70.3 (total distance in miles).
Weekly load : 10-14h/week
Prep duration : 16-24 weeks
Key sessions :
⚠ Pitfall to avoid : Trying to attack the run after the bike. The Half is won with patience: if you feel like you're running too easy at km 1, it's probably the right pace.
See the full Half Ironman programmeDistances : 3.8 km swim + 180 km bike + 42.2 km run (~9h-15h effort depending on level). The crown jewel of long-distance triathlon.
Weekly load : 12-18h/week (can rise to 20h in specific phase)
Prep duration : 24-36 weeks (often a full season, with a progressive build over 6-9 months)
Key sessions :
⚠ Pitfall to avoid : Underestimating nutrition. An Ironman is won as much at the table as in training. Learn to eat 60-90g carbs/hour on your long rides — it's the most neglected session.
See the full Ironman programmeApply to every format, from Sprint to Ironman.
Increase your weekly volume by 10% max per week. One recovery week (60-70% of normal volume) every 3 weeks. It's the golden rule to avoid injury.
80% of volume in easy endurance (zone 2), 20% in intensity (threshold, VO2 max). It's the method that works best for endurance sports. Many beginner triathletes do too much 'grey zone 3' (neither easy nor hard).
Once a week in prep: a brick session (bike+run back-to-back). This is what will gain or cost you 5 minutes on race day.
It's the discipline where solitude weighs most. A pool partner pulls you 5-10 seconds per 100 m without you even noticing. Find swim partners on your pool via TriMates.
You do NOT introduce new kit on race day. Wetsuit, bike, helmet, shoes, gels, nutrition: everything must have been tested on at least 2-3 long sessions.
Training volume = matching recovery need. 8h sleep minimum, 3 proper balanced meals, tracked hydration. It's more important than the 10th training session of the week.
Create your free TriMates account, set your target format, and find training partners near you.