Jeremy Shafer
ID 993182
Born : 1977 Cat. M45 Ultrarunner since 2017 USA
31
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
27,4%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 386; Σ finishers = 1 407. 386 / 1 407 × 100 = 27.43%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races3 082 km
> 100 km9
> 160 km6
> 200 km3
> 24h9
> 48h3
Longest race342,5 km
9th Notchview Ultra 72 Hour Ultra — 7/7/2023

Km per year (ultra races)

514
6 races
2022
693
6 races
2023
384
2 races
2024
401
3 races
2025
2026

Race types (share of distance)

Road7,2%
Trail89,6%
Elim.3,3%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M4
🏅 Top 310
🏅 Top 3 M14
Longest winning streak1
Current streak0

Records

50 km5h38'3250 mi10h49'15100 mi25h02'286 h50,94 km24 h100,92 km48 h247,68 kmBackyard15 loops

HISTORY

31 race(s)
DateRacePerf.Rk
2025
27.09 24h USA1st Notchview Invitational 100.921 km5
09.08 8h USA13h Sweltering Summer Ultra 8 Hours Run 51.981 km26
12.07 48h USA11th Notchview Ultra 48 Hour Ultra 247.678 km1 🏆
2024
28.09 60km USA8th Tunxis Trail Ultramarathon 9:00:46 h2 🥈
12.07 72h USA10th Notchview Ultra 72 Hour Ultra 324.121 km2 🥈
2023
14.10 30h USA15th Ghost Train Rail Trail Race 30 Hours 96.569 km114
16.09 50mi USA7th Free to Run 50 Mile 12:04:55 h3 🥉
12.08 8h USA11th Sweltering Summer Ultra 8 Hours Run 47.412 km37
07.07 72h USA9th Notchview Ultra 72 Hour Ultra 342.468 km2 🥈
17.06 50km USA9th Vegan Power 50K 5:46:06 h5
22.04 9h USA8th Forgotten Forest 9 Hour Ultra Marathon 76.121 km6
2022
19.11 Backyard Ultra USA3rd Race for DFL 100.590 km (15h)14
17.09 50mi USA6th Free to Run 50 Mile 10:49:15 h2 🥈
13.08 8h USA10th Sweltering Summer Ultra 8 Hours Run 70.843 km8
30.07 6h USA7th Jug End Loop 6-Hour Ultra 50.935 km5
08.07 100mi USA8th Notchview Ultra 100 Mile Ultra 25:02:28 h2 🥈
18.06 50km USA8th Vegan Power 50K 5:38:32 h9
2021
08.05 10h USA4th CT Trailmixers Spring Fling 600 Trail Race 71.133 km11
2020
28.06 30h USA3rd Forbidden Forest 30-Hour Ultra Run 175.853 km1 🏆
2019
24.11 6:33h USA4th CT Trailmixers Fall Fling 400 Trail Race 48.280 km20
20.10 50km USA12th Bimblers Bluff 50k 6:45:04 h36
15.09 50km USA1st Macedonia Trail 50km Race 8:00:35 h8
07.09 60km USA3rd Tunxis Trail Ultramarathon 9:11:07 h3 🥉
04.07 4x52km USA5th Notchview Ultra Quadzilla Ultra 38:31:27 h1 🏆
05.05 10h USA2nd CT Trailmixers Spring Fling 600 Trail Race 69.845 km9
13.04 50km USA10th Traprock 50k Ultramarathon 7:37:57 h39
2018
03.11 30h USA4th The Hamsterwheel 30 Hour Run 160.934 km5
22.09 9h USA3rd Forgotten Forest 9 Hour Ultra Marathon 69.201 km5
30.06 30h USA1st Forbidden Forest 30-Hour Ultra Run 128.618 km12
21.04 6h USA2nd Enchanted Forest 6 Hour Ultra Run 50.694 km10
2017
05.08 33.4mi USA3rd XTERRA Northeast Trail Run Series – Steep Rock 50K 8:45:34 h14