Isabel Rivera (F30)
2025
2 Races | 62 mi.mammoth trailfest.
Sep 20th 2025
| Mammoth Lakes, CA
Distance
50 KM
Overall
535
/ 642
Division (F)
187
/ 247
9:43:44
Bulldog 50K Ultra Run & 25K Trail Run
Aug 16th 2025
| Calabasas, CA
Distance
50 KM
Overall
151
/ 195
Division (F)
33
/ 47
7:28:32
2024
5 Races | 207 mi.Ray Miller 50/50
Dec 7th 2024
| Malibu, CA
Distance
50 KM
Overall
115
/ 124
Division (F)
49
/ 51
10:51:09
mammoth trailfest.
Sep 21st 2024
| Mammoth Lakes, CA
Distance
50 KM
Overall
471
/ 539
Division (F)
162
/ 195
10:01:47
Nanny Goat
May 25th 2024
| Riverside, CA
Duration
12 Hours
Overall
10
/ 59
Division (F)
3
/ 35
58
Bryce Canyon
May 18th 2024
| Bryce Canyon, UT
Distance
60 KM
Overall
108
/ 156
Division (F)
44
/ 61
11:40:18
Avalon Benefit 50
Jan 6th 2024
| Avalon, CA
Distance
50 Miles
Overall
269
/ 322
Division (F)
75
/ 93
12:45:00
2023
2 Races | 62 mi.mammoth trailfest.
Sep 23rd 2023
| Mammoth Lakes, CA
Distance
50 KM
Overall
343
/ 418
Division (F)
112
/ 139
10:02:01
Zion Ultras and Trail Half Marathon
Apr 16th 2023
| Virgin, UT
Distance
50 KM
Overall
232
/ 398
Division (F)
76
/ 158
7:50:25
2022
1 Race | 31 mi.Kodiak Ultra Marathons
Aug 20th 2022
| Big Bear Lake, CA
Distance
50 KM
Overall
195
/ 216
Division (F)
65
/ 79
10:30:00
10
Races
3y 1m 2d
Longevity
363
Lifetime Miles
Personal Bests
50k
(7)
7:28:32
2025
50m
(1)
12:45:00
2024
12hr
(1)
58
2024
Distance by Year
2025
62
Miles
2 Races
2024
207
Miles
5 Races
2023
62
Miles
2 Races
2022
31
Miles
1 Race
Multiple Performances
3rd Place
58
12 Hours
Achievements are awarded for races with 25 or more finishers and courses with 200 or more finishers.
Masters: 40-49 / Grand Masters: 50-59 / Senior Grand Masters: 60+