Michelle Petrillo (F60)

2026

3 Races | 124 mi.

Marin Ultra Challenge

Mar 14th 2026
| Sausalito, CA
Distance
50 KM
Overall
112 / 224
Division (F)
37 / 86
6:49:41

Black Canyon Ultras

Feb 14th 2026
| Mayer, AZ
Distance
100 KM
Overall
574 / 765
Division (F)
139 / 205
16:40:29

No Hands

Jan 10th 2026
| Auburn, CA
Distance
50 KM
Overall
51 / 75
Division (F)
17 / 24
7:58:06

2025

7 Races | 296 mi.

Quad Dipsea

Nov 29th 2025
| Mill Valley, CA
Distance
28.4 Miles
Overall
187 / 259
Division (F)
38 / 66
7:22:05

Kodiak Ultra Marathons

Oct 11th 2025
| Big Bear Lake, CA
Distance
100 KM
Overall
402 / 424
Division (F)
117 / 123
19:26:05

mammoth trailfest.

Sep 20th 2025
| Mammoth Lakes, CA
Distance
50 KM
Overall
462 / 642
Division (F)
149 / 247
9:00:30

Marlette 50K

Aug 9th 2025
| Spooner Lake, NV
Distance
50 KM
Overall
46 / 87
Division (F)
14 / 26
7:48:27

Marin Ultra Challenge

Mar 8th 2025
| Sausalito, CA
Distance
50 Miles
Overall
96 / 141
Division (F)
20 / 34
12:16:23

Black Canyon Ultras

Feb 8th 2025
| Mayer, AZ
Distance
100 KM
Overall
570 / 776
Division (F)
151 / 227
16:37:25

No Hands

Jan 11th 2025
| Auburn, CA
Distance
50 KM
Overall
57 / 66
Division (F)
10 / 14
7:51:29

2024

7 Races | 262 mi.

Doomsday

Dec 21st 2024
| Cool, CA
Distance
50 KM
Overall
42 / 71
Division (F)
17 / 32
7:59:04

Quad Dipsea

Nov 30th 2024
| Mill Valley, CA
Distance
28.4 Miles
Overall
228 / 265
Division (F)
62 / 74
7:57:20

mammoth trailfest.

Sep 21st 2024
| Mammoth Lakes, CA
Distance
50 KM
Overall
504 / 539
Division (F)
182 / 195
10:40:08

Broken Arrow Skyrace

Jun 22nd 2024
| Olympic Valley, CA
Distance
46 KM
Overall
416 / 499
Division (F)
135 / 163
10:12:42

Canyons Endurance Runs

Apr 27th 2024
| Auburn, CA
Distance
100 KM
Overall
371 / 445
Division (F)
99 / 119
18:43:06

Marin Ultra Challenge

Mar 9th 2024
| Sausalito, CA
Distance
50 Miles
Overall
80 / 133
Division (F)
20 / 38
12:12:03

Jackpot Ultra Running Festival

Feb 17th 2024
| Henderson, NV
Duration
6 Hours
Overall
15 / 29
Division (F)
9 / 28
30.603

2023

7 Races | 372 mi.

Quad Dipsea

Nov 25th 2023
| Mill Valley, CA
Distance
28.4 Miles
Overall
271 / 338
Division (F)
62 / 86
7:42:36

Javelina Jundred

Oct 28th 2023
| Fountain Hills, AZ
Distance
100 Miles
Overall
352 / 513
Division (F)
115 / 181
27:09:53

Tahoe Rim Trail

Jul 15th 2023
| Carson City, NV
Distance
50 Miles
Overall
46 / 90
Division (F)
16 / 36
16:42:41

Marin Ultra Challenge

Jun 3rd 2023
| Sausalito, CA
Distance
50 Miles
Overall
65 / 112
Division (F)
7 / 17
11:54:29

Quicksilver

May 13th 2023
| San Jose, CA
Distance
100 KM
Overall
86 / 99
Division (F)
17 / 18
16:24:35

American River

Apr 1st 2023
| Folsom, CA
Distance
50 Miles
Overall
79 / 197
Division (F)
21 / 66
11:00:57

FOURmidable

Feb 18th 2023
| Cool, CA
Distance
50 KM
Overall
122 / 209
Division (F)
30 / 63
6:41:57

2022

8 Races | 356 mi.

Quad Dipsea

Nov 26th 2022
| Mill Valley, CA
Distance
28.4 Miles
Overall
205 / 287
Division (F)
44 / 75
7:26:08

Rio Del Lago

Nov 5th 2022
| Granite Bay, CA
Distance
50 KM
Overall
7 / 52
Division (F)
3 / 28
5:24:04

Tahoe Rim Trail

Jul 16th 2022
| Carson City, NV
Distance
50 Miles
Overall
110 / 169
Division (F)
35 / 62
15:56:15

Quicksilver

May 14th 2022
| San Jose, CA
Distance
100 KM
Overall
86 / 114
Division (F)
20 / 26
15:43:45

Marin Ultra Challenge

Mar 12th 2022
| Sausalito, CA
Distance
50 Miles
Overall
76 / 149
Division (F)
28 / 49
11:46:14

FOURmidable

Feb 19th 2022
| Cool, CA
Distance
50 KM
Overall
97 / 187
Division (F)
32 / 66
6:52:37

Folsom Lake Sweet Water Trail Run

Jan 29th 2022
| Folsom, CA
Distance
50 KM
Overall
19 / 29
Division (F)
8 / 10
7:19:52

Across the Years

Jan 1st 2022
| Peoria, AZ
Duration
24 Hours
Overall
35 / 126
Division (F)
10 / 67
72.295

2021

5 Races | 259 mi.

Quad Dipsea

Nov 27th 2021
| Mill Valley, CA
Distance
28.4 Miles
Overall
194 / 270
Division (F)
46 / 72
7:35:59

Javelina Jundred

Oct 30th 2021
| Fountain Hills, AZ
Distance
100 Miles
Overall
156 / 292
Division (F)
48 / 89
26:25:54

Lake Sonoma 100K & 50K

Sep 4th 2021
| Healdsburg, CA
Distance
50 Miles
Overall
76 / 98
Division (F)
28 / 38
13:05:14

Tahoe Rim Trail

Jul 17th 2021
| Carson City, NV
Distance
50 Miles
Overall
62 / 130
Division (F)
21 / 58
14:42:21

The Loco Go Big or Go Home Challenge

Jun 5th 2021
| Forest Ranch, CA
Distance
50 KM
Overall
17 / 58
Division (F)
7 / 30
6:08:50
37
Races
4y 9m 13d
Longevity
1,669
Lifetime Miles

Personal Bests

50k (12)
5:24:04
2022
50m (9)
11:00:57
2023
100k (6)
15:43:45
2022
100m (2)
26:25:54
2021
24hr (1)
72.295
2022
6hr (1)
30.603
2024

Distance by Year

2026
124 Miles
3 Races
2025
296 Miles
7 Races
2024
262 Miles
7 Races
2023
372 Miles
7 Races
2022
356 Miles
8 Races
2021
259 Miles
5 Races

Multiple Performances

2026
139th Place
2025
151st Place
2026
17th Place
2025
10th Place
2025
38th Place
2024
62nd Place
2023
62nd Place
2022
44th Place
2021
46th Place
2025
149th Place
2024
182nd Place
2025
20th Place
2024
20th Place
2023
7th Place
2022
28th Place
2023
115th Place
2021
48th Place
2023
16th Place
2022
35th Place
2021
21st Place
2023
17th Place
2022
20th Place
2023
30th Place
2022
32nd Place

5:24:04

50 KM

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+

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

The Midwest Ultra Track Classic
Warrensburg, MO - 19 finishers
24 Hours | 12 Hours | 6 Hours
Rabid Raccoon 100
Beaver Falls, PA - 275 finishers
100 Miles | 100 KM
Spence Mountain Run
Klamath Falls, OR - 11 finishers
50 KM
Great Mansfield Outdoors
Mansfield, ON - 56 finishers
100 KM | 50 KM
Run Comfy Numb Trail Race
Whistler, BC - 68 finishers
50 KM
Salt Lake Foothills Trail Races
Salt Lake City, UT - 84 finishers
50 Miles | 50 KM
Mohican Trail Run
Loudonville, OH - 251 finishers
100 Miles | 50 Miles
MCW The Tatum Classic
Middletown Township, NJ - 16 finishers
50 KM
Coz's Backyard Ultra
Holland Patent, NY - 16 finishers
Backyard
View All Results