1. Real Time Marathons Location-aware

2. Facets of people 1.Runners 2.Walkers 3.Spectators including family/friends 4.Volunteers 5.Race organizers

3. Requirements Real time location information to all parties Runners: gun time vs. chip time Location and rank stats of other runners Keeping in touch with supporters Race course distribution Social network

4. Prototype 2” x 2” screen display Competitive athletes Mile markers and water stops Location of top 3 Gun time and chip time Audio feedback at each mile marker: –Miles –Pace –Gun time –Chip time

5. User Study 5 athletes from local runner’s club Informal open-ended interview –Goals –Real time information –Likes/critiques

6. Results Device characteristics Race statistics Screen display Audible feedback Course map Competitor rankings