Jian Springer (F55)
2026
1 Race | 100 mi.Jackpot Ultra Running Festival
Feb 20th 2026
| Henderson, NV
Distance
100 Miles
Overall
10
/ 24
Division (F)
4
/ 6
15:41:02
2025
7 Races | 621 mi.Fat Ox
Nov 21st 2025
| Buckeye, AZ
Duration
24 Hours
Overall
9
/ 15
Division (F)
2
/ 5
91.1672
IAU 24hr World Championships
Oct 18th 2025
Duration
24 Hours
Overall
60
/ 363
Division (F)
14
/ 161
146.459
Angeles Crest
Aug 2nd 2025
| Wrightwood, CA
Distance
100 Miles
Overall
20
/ 103
Division (F)
1
/ 19
27:57:05
Harding Hustle
Jul 19th 2025
| Modjeska Canyon, CA
Distance
50 KM
Overall
13
/ 70
Division (F)
2
/ 9
5:14:49
San Diego 100
Jun 6th 2025
| Lake Cuyamaca, CA
Distance
100 Miles
Overall
10
/ 135
Division (F)
2
/ 26
22:59:52
Las Virgenes Canyon Trail Races
Apr 26th 2025
| Los Angeles (West Hills), CA
Distance
84 KM
Overall
2
/ 5
Division (F)
1
/ 1
9:38:11
Jackpot Ultra Running Festival
Feb 14th 2025
| Henderson, NV
Distance
100 Miles
Overall
3
/ 18
Division (F)
1
/ 6
15:29:05
2024
5 Races | 448 mi.Desert Solstice
Dec 14th 2024
| Phoenix, AZ
Distance
100 Miles
Overall
8
/ 15
Division (F)
6
/ 9
15:43:06
Desert Solstice
Dec 14th 2024
| Phoenix, AZ
Duration
24 Hours
Overall
6
/ 22
Division (F)
5
/ 11
141.917
Six Days In the Dome-WI
Jun 13th 2024
| Milwaukee, WI
Distance
50 Miles
(S)
Overall
14
/ 100
Division (F)
5
/ 35
7:45:21
Six Days In the Dome-WI
Jun 13th 2024
| Milwaukee, WI
Duration
24 Hours
Overall
11
/ 33
Division (F)
4
/ 9
112.424
Six Days In the Dome-WI
Jun 13th 2024
| Milwaukee, WI
Distance
100 KM
(S)
Overall
11
/ 92
Division (F)
5
/ 30
9:49:01
Six Days In the Dome-WI
Jun 13th 2024
| Milwaukee, WI
Distance
100 Miles
(S)
Overall
12
/ 87
Division (F)
5
/ 30
16:43:23
Six Days In the Dome-WI
Jun 13th 2024
| Milwaukee, WI
Distance
50 KM
(S)
Overall
15
/ 111
Division (F)
5
/ 39
4:41:59
Leona Divide
Apr 20th 2024
| Lake Hughes, CA
Distance
100 KM
Overall
10
/ 71
Division (F)
1
/ 17
12:49:32
Ultramaraton Baja Trail
Mar 17th 2024
Distance
50 KM
Overall
9
/ 279
Division (F)
1
/ 82
6:35:30
2023
5 Races | 390 mi.IAU 24hr World Championships - Taipei
Dec 2nd 2023
Duration
24 Hours
Overall
89
/ 245
Division (F)
31
/ 107
134.78
Bulldog 50K Ultra Run & 25K Trail Run
Aug 19th 2023
| Calabasas, CA
Distance
50 KM
Overall
13
/ 171
Division (F)
3
/ 38
4:56:59
San Diego 100
Jun 2nd 2023
| Lake Cuyamaca, CA
Distance
100 Miles
Overall
24
/ 117
Division (F)
6
/ 24
24:24:00
Leona Divide
Apr 22nd 2023
| Lake Hughes, CA
Distance
100 KM
Overall
7
/ 47
Division (F)
1
/ 9
12:28:54
Black Canyon Ultras
Feb 18th 2023
| Mayer, AZ
Distance
100 KM
Overall
95
/ 704
Division (F)
31
/ 187
11:20:12
2022
7 Races | 607 mi.Desert Solstice
Dec 10th 2022
| Phoenix, AZ
Duration
24 Hours
Overall
5
/ 25
Division (F)
3
/ 11
140.192
Desert Solstice
Dec 10th 2022
| Phoenix, AZ
Distance
50 KM
(S)
Overall
17
/ 25
Division (F)
6
/ 11
4:37:12
Desert Solstice
Dec 10th 2022
| Phoenix, AZ
Duration
12 Hours
(S)
Overall
16
/ 25
Division (F)
6
/ 11
77.786
Desert Solstice
Dec 10th 2022
| Phoenix, AZ
Distance
100 KM
(S)
Overall
11
/ 19
Division (F)
4
/ 6
9:25:32
Desert Solstice
Dec 10th 2022
| Phoenix, AZ
Distance
100 Miles
Overall
11
/ 19
Division (F)
4
/ 6
15:52:56
Back On The Ranch Trail Run
Oct 1st 2022
| Los Olivos, CA
Duration
12 Hours
Overall
1
/ 17
Division (F)
1
/ 3
71.5
San Diego 100
Jun 3rd 2022
| Lake Cuyamaca, CA
Distance
100 Miles
Overall
13
/ 120
Division (F)
3
/ 22
23:13:38
Beyond Limits Ultra
Apr 7th 2022
| Mountain Center, CA
Duration
24 Hours
Overall
1
/ 18
Division (F)
1
/ 8
114
Griffith Park Trail
Mar 12th 2022
| Los Angeles, CA
Distance
50 KM
Overall
6
/ 76
Division (F)
1
/ 24
4:50:55
Avalon Benefit 50
Jan 8th 2022
| Avalon, CA
Distance
50 Miles
Overall
12
/ 204
Division (F)
2
/ 60
7:54:59
2021
6 Races | 604 mi.Desert Solstice
Dec 11th 2021
| Phoenix, AZ
Distance
100 KM
(S)
Overall
18
/ 23
Division (F)
7
/ 9
9:27:10
Desert Solstice
Dec 11th 2021
| Phoenix, AZ
Duration
12 Hours
(S)
Overall
16
/ 25
Division (F)
7
/ 10
76.304
Desert Solstice
Dec 11th 2021
| Phoenix, AZ
Distance
50 KM
(S)
Overall
19
/ 25
Division (F)
7
/ 10
4:29:18
Desert Solstice
Dec 11th 2021
| Phoenix, AZ
Distance
100 Miles
Overall
14
/ 18
Division (F)
7
/ 8
16:36:11
Desert Solstice
Dec 11th 2021
| Phoenix, AZ
Duration
24 Hours
Overall
5
/ 25
Division (F)
2
/ 10
135.17
Bulldog 50K Ultra Run & 25K Trail Run
Oct 2nd 2021
| Calabasas, CA
Distance
50 KM
Overall
7
/ 98
Division (F)
1
/ 32
4:46:08
Kodiak Ultra Marathons
Aug 20th 2021
| Big Bear Lake, CA
Distance
100 Miles
Overall
4
/ 42
Division (F)
1
/ 6
25:30:43
Nanny Goat
May 29th 2021
| Riverside, CA
Duration
24 Hours
Overall
1
/ 63
Division (F)
1
/ 21
126
Beyond Limits Ultra
Apr 10th 2021
| Mountain Center, CA
Duration
24 Hours
Overall
2
/ 13
Division (F)
1
/ 3
112
2020
2 Races | 133 mi.Happy Hippie Harvest Run
Nov 7th 2020
| Las Vegas, NV
Duration
12 Hours
Overall
1
/ 28
Division (F)
1
/ 16
71.3
Sean O'Brien 100k/50M/50k
Feb 8th 2020
| Malibu, CA
Distance
100 KM
Overall
33
/ 127
Division (F)
5
/ 22
13:13:06
2019
2 Races | 81 mi.Bulldog 50K Ultra Run & 25K Trail Run
Aug 24th 2019
| Calabasas, CA
Distance
50 KM
Overall
13
/ 140
Division (F)
2
/ 41
5:15:55
Leona Divide
Apr 27th 2019
| Lake Hughes, CA
Distance
50 Miles
Overall
7
/ 97
Division (F)
1
/ 25
9:28:08
2018
3 Races | 95 mi.Bulldog 50K Ultra Run & 25K Trail Run
Aug 25th 2018
| Calabasas, CA
Distance
50 KM
Overall
14
/ 167
Division (F)
2
/ 42
5:01:53
Cirque du Griffith Park 100-Mile & 6/12...
Jun 23rd 2018
| Los Angeles, CA
Duration
6 Hours
Overall
7
/ 12
Division (F)
3
/ 5
32.5
Sean O'Brien 100k/50M/50k
Feb 3rd 2018
| Malibu, CA
Distance
50 KM
Overall
31
/ 182
Division (F)
7
/ 76
6:38:28
2017
3 Races | 93 mi.Ray Miller 50/50
Dec 2nd 2017
| Malibu, CA
Distance
50 KM
Overall
57
/ 201
Division (F)
25
/ 99
6:39:17
Leona Divide
Apr 22nd 2017
| Lake Hughes, CA
Distance
50 KM
Overall
48
/ 260
Division (F)
7
/ 107
6:01:17
Sean O'Brien 100k/50M/50k
Feb 4th 2017
| Malibu, CA
Distance
50 KM
Overall
42
/ 185
Division (F)
12
/ 77
7:07:48
41
Races
9y 0m 18d
Longevity
3,172
Lifetime Miles
Personal Bests
50k
(14)
4:29:18
2021
50m
(3)
7:45:21
2024
100k
(7)
9:25:32
2022
100m
(11)
15:29:05
2025
24hr
(10)
146.459
2025
12hr
(4)
77.786
2022
6hr
(1)
32.5
2018
Distance by Year
2026
100
Miles
1 Race
2025
621
Miles
7 Races
2024
448
Miles
5 Races
2023
390
Miles
5 Races
2022
607
Miles
7 Races
2021
604
Miles
6 Races
2020
133
Miles
2 Races
2019
81
Miles
2 Races
2018
95
Miles
3 Races
2017
93
Miles
3 Races
Multiple Performances
1st Place
27:57:05
100 Miles
Masters Winner
27:57:05
100 Miles
Grand Master Course Record
27:57:05
100 Miles
2nd Place
5:14:49
50 KM
Masters Winner
5:14:49
50 KM
2nd Place
22:59:52
100 Miles
Masters Winner
22:59:52
100 Miles
Grand Master Course Record
15:29:05
100 Miles
Grand Master Course Record
141.9178715
24 Hours
Grand Master Course Record
9:49:01
100 KM
Grand Master Course Record
7:45:21
50 Miles
Grand Master Course Record
4:41:59
50 KM
Grand Master Course Record
16:43:23
100 Miles
Grand Master Course Record
112.4245
24 Hours
Masters Winner
12:49:32
100 KM
1st Place
12:49:32
100 KM
Grand Master Course Record
6:35:30
50 KM
1st Place
6:35:30
50 KM
Masters Winner
6:35:30
50 KM
4:56:59
50 KM
Masters Winner
4:56:59
50 KM
Grand Master Course Record
12:28:54
100 KM
Masters Winner
12:28:54
100 KM
1st Place
12:28:54
100 KM
3rd Place
140.1921
24 Hours
3rd Place
23:13:38
100 Miles
1st Place
4:50:55
50 KM
Masters Winner
4:50:55
50 KM
Grand Master Course Record
4:50:55
50 KM
Masters Winner
7:54:59
50 Miles
2nd Place
7:54:59
50 Miles
2nd Place
135.17
24 Hours
Grand Master Course Record
4:46:08
50 KM
Masters Winner
4:46:08
50 KM
4:46:08
50 KM
Masters Winner
25:30:43
100 Miles
1st Place
25:30:43
100 Miles
Grand Master Course Record
25:30:43
100 Miles
1st Place
126
24 Hours
Grand Master Course Record
126
24 Hours
Course Record
126
24 Hours
Masters Winner
126
24 Hours
Masters Winner
71.3
12 Hours
1st Place
71.3
12 Hours
Masters Winner
13:13:06
100 KM
5:15:55
50 KM
Masters Winner
5:15:55
50 KM
1st Place
9:28:08
50 Miles
Masters Winner
9:28:08
50 Miles
Masters Winner
5:01:53
50 KM
5:01:53
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+