Julie Blackwell
ID 764807
Born : 1982 Cat. W40 Ultrarunner since 2016 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
41,8%
Rank quotient ?This runner's calculation uses 56 eligible race(s): Σ(rank − 1) = 1 888; Σ finishers = 4 513. 1 888 / 4 513 × 100 = 41.83%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed56
Km — ultra races3 771 km
> 100 km7
> 160 km6
> 24h1
Longest race169,0 km
3rd Spirit of Syllamo 105 Mile — 9/12/2023

Km per year (ultra races)

499
7 races
2022
369
5 races
2023
317
4 races
2024
283
4 races
2025
110
2 races
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win F11
🏅 Top 33
🏅 Top 3 F20
Longest winning streak1
Current streak0

Records

50 km5h14'53100 km14h48'3350 mi9h55'49100 mi28h55'5024 h134,54 km

HISTORY

56 race(s)
DateRacePerf.Rk
2026
07.02 50km USA4th North Texas Ultra 5:14:53 h8
17.01 60km USA2nd Cowboy Yeti 7:57:55 h13
2025
13.09 30mi USA12th Shawangunk Ridge Trail 30-mile Run 9:18:32 h57
01.02 24h USA2nd The Last Wolf 24 Hour 134.541 km1 🏆
18.01 50km USA9th David's Trail Endurance Run 7:17:50 h16
04.01 50km USA1st Ragbag Run 7:18:20 h11
2024
14.12 35mi USA4th Spirit of Syllamo 35 Mile 8:54:11 h18
07.09 100mi USA13th Mogollon Monster 100 Mile 34:17:40 h45
02.03 50km USA3rd Dos Senderos Trail - 50km 6:25:37 h17
03.02 50km USA1st The Last Wolf 50K 6:35:23 h2 🥈
2023
09.12 105mi USA3rd Spirit of Syllamo 105 Mile 30:51:30 h4
11.11 50km USA4th Thunderbird 50km Trail Run 5:48:09 h9
29.04 50km USA8th Coopers Rock Trail Run 50km 6:49:14 h38
04.03 50km USA7th Ozark Highlands Endurance Run 7:35:12 h18
08.01 50km USA23rd Bandera 50 km Endurance Run 6:43:50 h53
2022
10.12 105mi USA2nd Spirit of Syllamo 105 Mile 33:37:26 h7
19.11 50km USA8th Dinosaur Valley Endurance Run 50 km 5:44:04 h5
23.10 50mi USA16th Cactus Rose 50 Mile 13:24:41 h15
08.10 50km USA4th Blue Ridge 50km Ultra 6:56:52 h25
17.09 50km USA12th Table Rock 50 km Ultra 7:14:44 h82
10.04 50km USA24th Taturs Lake McMurtry 50 km Trail Race 5:55:03 h11
26.03 50km USA15th SweetH2O 50 km 7:24:23 h18
2021
11.12 100mi USA5th Beast of the East (Monadnock Ultra) 100 Mile 28:55:50 h6
12.11 50km USA7th Franklin Mountains Trail Run 50km 9:03:43 h11
16.10 50km USA5th The BIG 50 8:11:10 h15
02.10 50km USA1st Dana Peak Trail Run 7:13:33 h9
18.09 50km USA6th Sky Island 50K 7:19:46 h39
13.02 50mi USA29th Rocky 50 Mile Trail Run 9:55:49 h36
16.01 50km USA8th Ouachita Switchbacks 50K 7:23:58 h20
2020
21.11 100mi USA6th Dinosaur Valley Endurance Run 100 Mile 30:39:20 h16
15.03 50km USA5th J&J Race and Trail Running Reunion 50 km Race 8:02:12 h11
07.03 50km USA1st Cold Mountain 50km Trail Race 6:13:09 h27
2019
09.11 50km USA5th Franklin Mountains Trail Run 8:43:07 h37
18.05 50km USA5th Quest for the Crest 50k 11:38:48 h60
26.01 52mi USA3rd Goodwater Trail Race Double-Marathon 11:25:18 h3 🥉
2018
15.12 50mi USA11th Lookout Mountain 50 Mile Race 11:54:40 h45
10.11 50km USA4th Franklin Mountains Trail Run 8:48:09 h55
23.06 60km USA12th Capt'n Karl's Trail Series - Pedernales Falls 10:49:15 h37
10.02 100mi USA2nd Lone Star 100 - 100 Miles 34:36:52 h13
07.01 50km USA18th Bandera 50 km Endurance Run 6:14:56 h57
2017
18.11 50km USA13th Wild Hare 50 km Race 6:11:03 h21
11.11 50km USA3nd Franklin Mountains Trail Run 10:30:02 h79
03.06 50km USA9th Golden Gate Dirty 30 8:53:58 h282
20.05 50km USA3rd Quest for the Crest 50k 10:43:08 h53
06.05 50km USA1st Wildflower Trail Run 6:07:33 h23
15.04 50km USA3rd Rattler Trail Race 50K 7:21:51 h45
08.04 50km USA8th Oriflamme 50K Trail Run 7:23:13 h90
07.01 100km USA17th Bandera 100 km Ultratrail 14:48:33 h90
2016
03.12 55km USA5th Isle du Bois Trail Run 6:30:12 h17
19.11 50km USA12th Wild Hare 50 km Race 5:30:02 h19
12.11 50km USA21st Rockledge Rumble Trail Run 6:35:04 h20
05.11 50km USA2nd Big Cedar Endurance Run 50 km 7:10:05 h10
01.10 50km USA2nd Blazing 7's 50 km Trail Race 7:10:59 h29
10.09 50km USA2nd Franklin Mountains Trail Run 8:59:09 h48
14.05 50km USA2nd Quest for the Crest 50k 12:11:58 h82
09.01 50km USA16th Bandera 50 km Ultratrail 6:36:14 h66