Things to do

Some features to add for fun

Graphs

Distribution of times for fixed distances (5k, 10k, etc)
Total distance, time spent over time

Calculations

Pace calculations
- bests by pace to compensate variablity of distance
- best pace per interval, with some sort of qualifier (c.f. batting/bowling average)
Total distance milestones
- Cricket run comparisons! - Live?
Total distance/time per time unit (week/month etc)
- Tracking longest distance per interval
~~Longest distance tracking~~
Fix category boundaries - some will count as both currently