Trail Running Pacing Calculator

Upload a GPX route, set your target grade-adjusted pace, and get realistic race projections with pacing, elevation, and visual breakdowns

Drop your GPX file here

or click to browse

Target GAP (min/km)

Examples: 4:45, 00:04:45, or 285.

Start Time

Effort model

Uphill effort (0%)

Negative / Positive split (0%)

Phases

Choose how many phases share the same effort. Set 1 for a linear progression.

Exclude stopping time

Pace

Split pace

Estimated avg. Elevation

Estimated arrival times based on your pacing plan

Distance	Name	Estimated Time	Elevation

Km	Split time	Split pace	Realized split pace	Difference	Light	Cumulative time	Uphill (m)	Downhill (m)