IronSplit - Race Strategy

A course-aware power plan for your bike leg, exported to your Garmin as a .fit, plus full race plans coaches deliver to their athletes. Grounded in 2.2M real finishes.

IronSplit turns your race data into a race-day strategy you can actually execute.

Enter your goal and IronSplit predicts your splits for every leg of a long-course triathlon, swim, T1, bike, T2, and run, grounded in over 2.3 million real race finishes. See exactly what it takes to hit your target, then build a plan to get there.

PREDICT YOUR RACE • Split-by-split predictions for full and half (70.3) distances • Pick your goal: Win, Podium, Top 5, Top 10, Top 25%, or Top 50% • Grounded in real finishing data from hundreds of events, back to 2002

PLAN YOUR BIKE LEG • A course-aware power plan tuned to your race and your numbers • One-tap .fit export straight to your Garmin • Ride your race, not a guess

FOR COACHES • Build full race plans and deliver them to your athletes • Manage your roster and share strategies in a tap

STAY ON TRACK • Save your plans and sync them across your devices • Race-week reminders so the day never sneaks up on you

IronSplit is free to predict your splits and build a plan. Premium tiers unlock the course-aware bike power optimizer and the full coaching toolkit.

Whether you are chasing a podium or your first finish line, IronSplit helps you toe the line with a plan you trust.