Training Tools. Training Tools — T3 Triathlon Free training tools Know your numbers.Train with purpose. Every calculator here is built on validated sports science. Use them to set race targets, build training zones and understand your physiology — then bring those numbers into a coaching conversation and turn them into a plan. Triathlon pace calculators ⏱ Super Sprint 300m swim · 8km bike · 2km run Triathlon ⏱ Sprint 750m swim · 20km bike · 5km run Triathlon ⏱ Olympic 1.5km swim · 40km bike · 10km run Triathlon ⏱ Half Ironman 1.9km swim · 90km bike · 21.1km run Triathlon ⏱ Ironman 3.8km swim · 180km bike · 42.2km run Triathlon Running 🏃 5km pace Goal time or goal pace · even splits Running 🏃 10km pace Goal time or goal pace · even splits Running 🏃 Half marathon Goal time or goal pace · even splits Running 🏃 Marathon Goal time or goal pace · even splits Running 📈 Race predictor Riegel formula · predict any distance Running Swimming 🏊 Critical Swim Speed CSS threshold · 5 training zones Swimming Cycling ⚡ Critical Power CP & W′ · 7 training zones Cycling ⚡ FTP zones Coggan 7-zone power model Cycling Training zones ❤ Heart rate zones Karvonen method · 7 personalised zones Zones These numbers are the starting point. A coached plan is what turns them into performance. Let’s chat
