VAIL — The Vail Recreation District's schedule for the 2010 La Sportiva Vail Mountain Trail Running Series is set and will offer runners a total of 45 miles and 13,500 vertical feet in elevation gain on Vail and Beaver Creek mountains this summer.

This summer's six-races series will mark its 13th season and take place Saturdays and Sundays. Distances will range from 3.2 mile) to 14.5 miles.

The race series will kick off its season with the third annual La Sportiva Summer Solstice Twilight race on June 19 as a benefit for the Vail Valley Charitable Fund. The Twilight race will begin at 5 p.m. and include a 5k and 10k trail run, plus a kid's run.

The race will end with free food and feature live music. Costs for the race are $35 pre-registration and $45 on race-day with proceeds benefiting the Vail Valley Charitable Fund.

The Twilight race will be followed by the La Sportiva Vail HillClimb on July 3, the La Sportiva Vail Half Marathon on July 18 and the La Sportiva Berry Picker run on Aug. 1. The race series will then move to the top of Vail Mountain for the La Sportiva 10k @10,000 Feet on Aug. 15. On Sept. 12, runners will challenge themselves one last time during the final race of the series, the La Sportiva Evergold 10k.

More than 1,200 people participated in last year's races and 20 runners completed all five races.

New this year, the series will include a category for those ages 70 and older.

For more information, visit www.vailrec.com.