MacMall offers the refurbished Garmin International Forerunner 10 GPS Watch in Green/White, model no. 010-N1039-01, for $54.99 with free shipping. That's $20 under our mention from last summer and the lowest total price we could find for a refurb by $14. It tracks distance, speed, and calories along with providing access to personal records and motivation tools.
Note: No warranty information is provided.