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diff --git a/README.md b/README.md
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@@ -18,6 +18,7 @@
   - Garmin Fit export has (time, sport, lap/split, gps, sensor, events)?
   - KML ?
 - Strava seems the simpler to use
+- in a single chart, plot (speed, slope) for all segments. color with heartbeat
 
 ## Implementation