O
O'Dell, Jr. Donald	Benson, AZ	Perimeter Miles: 251
Date	Perimeter Ride	Event	Time	Distance
2006	Tucson Mountain Range	TTM '06	4:50:17	72
2007	Tucson Mountain Range	TTM '07	4:33:14	70
2007	Tucson, AZ	ETT XXV	6:49:19	109
Olszak, Artur	Tucson, AZ	Perimeter Miles: 288
Date	Perimeter Ride	Event	Time	Distance
2005	Tucson Mountain Range	TTM '05	3:27:52	70
2005	Tucson, AZ	ETT XXIII	6:04:14	109
2006	Tucson, AZ	ETT XXIV	4:39:59	109
Oropeza, Hilda	Tucson, AZ
Ortega, Michael	Douglas, AZ
Ortiz, Luiz A.	Tucson, AZ	Perimeter Miles: 218
Date	Perimeter Ride	Event	Time	Distance
2006	Tucson, AZ	ETT XXIV	8:10:56	109
2007	Tucson, AZ	ETT XXV	7:37:25	109
Osborne, Robert	Tucson, AZ
O'Shea, Kevin	Convent Station, NJ	Perimeter Miles: 656
Date	Perimeter Ride	Event	Time	Distance
2001	Tucson, AZ	ETT XIX	8:32:56	111
2002	Tucson, AZ	ETT XX	7:48:53	109
2003	Tucson, AZ	ETT XXI	8:16:41	109
2004	Tucson, AZ	ETT XXII	7:33:26	109
2006	Tucson, AZ	ETT XXIV	6:10:17	109
2007	Tucson, AZ	ETT XXV	5:33:31	109
Ostgarden, Jo	Portland, OR	Perimeter Miles: 2,131
Date	Perimeter Ride	Event	Time	Distance
1984	Tucson, AZ	ETT II	5:38:59	106
1985	Tucson, AZ	ETT III	6:19:20	108
1987	Tucson, AZ	ETT V	7:27:00	112
1988	Ireland	Solo-Premier	68 Days	1,470
1988	Tucson, AZ	ETT VI	6:44:00	110
1989	Tucson, AZ	ETT VII	7:13:13	112
1994	Tucson, AZ	ETT XII	9:06:52	113
Otvos, Laszlo	Tucson, AZ

updated as of 12/17/2008