Cutoff buffer calculator
Where the clock gets tight.
Target finish to checkpoint arrival and cutoff buffer. Green margin, amber tight, red miss. Before race day panic sets in.
Buffer
30 minutes
Coaches treat half an hour as minimum margin before a bad aid stop becomes a DNF.
Linear
First pass
This spreads your target finish across checkpoints. Use the aid station planner for km-effort pacing.
Predictor
Finish bands
Set a realistic target from index and Course DNA.
Run the numbers
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