TriCalc: Triathlon Calculator

Plan your triathlon finish time from swim, bike, run and transition splits, then unlock the full toolkit when you’re ready to go deeper.

Plan your triathlon finish time from swim, bike, run and transition splits.

TriCalc helps you predict race-day finish times, compare pacing scenarios and build smarter triathlon plans. Start with the free Race Time calculator, then unlock the full toolkit for goal planning, saved race plans, FTP, TSS, power zones and more.

Use TriCalc to:

• Calculate your race finish time from swim, bike, run and transition splits • Try the core Race Time calculator for free • Work backwards from a goal time with advanced planning tools • Compare realistic, stretch and best-case race scenarios • Plan Sprint, Olympic, middle-distance, full-distance and custom races • Calculate swim pace, bike speed, run pace, FTP, TSS and power zones • Save and reopen race plans offline with the full version

Whether you’re racing your first sprint triathlon, targeting a 70.3 PB, or planning a full-distance race, TriCalc gives you a clearer picture of what your race day could look like.

Built specifically for triathletes, TriCalc helps turn swim, bike and run numbers into practical race plans. Quickly adjust your splits, test different scenarios and understand what each change could mean for your final time.

Free features: • Race Time calculator • Swim, bike, run and transition split planning • Total finish time prediction

Full version features: • Goal time planning • Saved race plans • Scenario comparisons • FTP calculator • TSS calculator • Power zone tools • More advanced race planning features

No account needed. No ads. No tracking. Just useful triathlon planning tools for race day.