Chevron Houston Marathon Frequencies                 1/14/07

460.425 HPD Citywide

Amateur radio freqs used 2007 (changes are made year-to-year
146.660 talk-in primary, 145.170 talk-in secondary
146.840 course primary, 146.660 course secondary
147.360 timing primary, 146.700 timing secondary
444.375 transport primary, 442.000 transport secondary
446.050 leading pack primary, 443.275 leading pack secondary (both simplex)
146.470 (simplex) 4-mile run
146.760          APRS coord. (used 2007?)
144.390          APRS packets (used 2007?)

Houston 2-Way (Fleet Talk Services) LTR system (used in previous years-not confirmed in 2007)
0-02-125 (rental) marathon medics
0-02-146 (rental) marathon setup
0-10-125 (rental) marathon "bike dispatcher"
0-10-126 (rental) marathon water stations? medical?
0-10-146 (rental) marathon GRB ops, volunteers
0-12-125 (rental) marathon finish line? medical?
0-12-146 (rental) marathon command post

Check Eric's pages here for other possible rental radio talkgroups: 
http://www.ericcarlson.net/scanner/houston/houstontwoway.html