Jeffrey Adams
ID 633765
Born : 1978 Cat. M45 Ultrarunner since 2015 USA
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
62
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
13,9%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 499; Σ finishers = 3 588. 499 / 3 588 × 100 = 13.91%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed43
Km — ultra races5 144 km
> 100 km17
> 160 km17
> 200 km4
> 24h5
> 48h3
Longest race228,0 km
3rd Ohio's Backyard Ultra — 20/3/2021

Km per year (ultra races)

682
4 races
2022
519
4 races
2023
402
3 races
2024
352
2 races
2025
167
2 races
2026

Race types (share of distance)

Road14,7%
Trail68,6%
Elim.16,7%

Wins & podiums (ultra)

🏆 Win8
🏆 Win M9
🏅 Top 314
🏅 Top 3 M17
Longest winning streak3
Current streak0

Records

50 km4h12'55100 km10h21'4350 mi6h15'30100 mi14h53'536 h75,32 km24 h213,04 kmBackyard34 loops

HISTORY

44 race(s) · 3 split(s) nested
DateRacePerf.Rk
2026
20.06 54mi USA14th Manitou's Revenge Ultramarathon 14:00:38 h17
16.05 50mi USA18th Keys100 Ultra-Marathons 50mi 8:47:15 h2 🥈
2025
18.07 102mi USA12th Ouray 100 Mile Endurance Run 45:16:27 h36
22.03 Backyard Ultra USA7th Ohio's Backyard Ultra 187.768 km (28h)14
2024
21.09 100mi USA12th Mountain Lakes 100 20:47:20 h12
29.06 100mi USA51st Western States 100 Mile Endurance Run 22:27:33 h68
11.05 50mi USA14th Glacier Ridge Trail 50 Mile Ultramarathon 7:53:24 h1 🏆
2023
15.09 100mi USA17th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 24:12:59 h26
24.06 54mi USA11th Manitou's Revenge Ultramarathon 17:33:36 h56
13.05 50km USA13th Glacier Ridge Trail 50 km Ultramarathon 5:46:35 h2 🥈
18.03 Backyard Ultra USA5th Ohio's Backyard Ultra 221.298 km (33h)10
2022
10.12 100mi USA13th Desert Solstice Track Invitational - 100mi Split 15:39:19 h9
10.12 24h USA13th Desert Solstice 24 Hour Run 213.038 km8
10.09 100mi USA32th Superior Fall Trail Races 100 Mile 27:39:51 h15
25.06 54mi USA10th Manitou's Revenge Ultramarathon 11:59:49 h3 🥉
19.03 Backyard Ultra USA4th Ohio's Backyard Ultra 221.298 km (33h)11
2021
13.11 100mi USA8th Tunnel Hill 100 Mile Race 14:53:53 h6
21.08 100km USA7th Twisted Branch Trail Run 12:59:59 h5
26.06 54mi USA9th Manitou's Revenge Ultramarathon 12:18:25 h4
20.03 Backyard Ultra USA3rd Ohio's Backyard Ultra 228.004 km (34h)9
2020
26.09 100km USA6th Worlds End Ultramarathon 100K 13:48:29 h4
2019
27.07 55km USA19th Wakely Dam Ultra 5:59:54 h7
22.06 54mi USA7th Manitou's Revenge Ultramarathon 12:12:16 h3 🥉
01.06 100km USA5th Worlds End Ultramarathon 100K 13:31:35 h6
28.04 6h USA23rd Buffalo Runners 6 Hour Distance Classic 75.317 km1 🏆
16.02 50mi USA10th Beast of Burden Winter 50 Miler 6:15:30 h1 🏆
2018
13.10 103mi USA2nd No Business 100 25:29:46 h5
15.09 100mi USA7th Idaho Mountain Trail Ultra Festival (IMTUF 100) 27:57:16 h21
28.07 100km USA4th Never Summer 100k 16:55:02 h56
23.06 54mi USA6th Manitou's Revenge Ultramarathon 12:48:01 h8
12.05 50mi USA8th Glacier Ridge Trail 50 Mile Ultramarathon 7:52:39 h1 🏆
29.04 6h USA22nd Buffalo Runners 6 Hour Distance Classic 73.064 km1 🏆
17.03 100km USA6th Buzzard Day 100 km Trail Race 10:21:43 h1 🏆
2017
14.10 103mi USA1st No Business 100 22:59:18 h4
07.09 100mi USA11th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 28:05:41 h28
17.06 54mi USA5th Manitou's Revenge Ultramarathon 14:09:55 h17
20.05 50mi USA10th Keys100 Ultra-Marathons 50mi 8:12:18 h4
28.01 100mi USA8th Beast of Burden Winter 100 Miler 18:56:57 h2 🥈
2016
05.11 50km USA18th Mendon 50K Trail Run 4:12:55 h3 🥉
13.08 100mi USA3rd Eastern States 100 Mile 30:46:05 h17
04.06 50mi USA4th Cayuga Trails 50 Mile Race 9:34:57 h41
24.04 6h USA20th Buffalo Runners 6 Hour Distance Classic 73.064 km1 🏆
23.01 50mi USA7th Beast of Burden Winter 50 Miler 7:05:57 h1 🏆
2015
24.01 50mi USA6th Beast of Burden Winter 50 Miler 7:41:28 h4