Sean Collins
ID 788669
Born : 1975 Cat. M50 Ultrarunner since 2014 USA
47
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
35,1%
Rank quotient ?This runner's calculation uses 47 eligible race(s): Σ(rank − 1) = 832; Σ finishers = 2 370. 832 / 2 370 × 100 = 35.11%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed47
Km — ultra races3 556 km
> 100 km6
> 160 km6
> 24h2
Longest race162,4 km
3rd Azalea 24 Hour Race — 12/11/2016

Km per year (ultra races)

560
7 races
2022
177
3 races
2023
322
2 races
2024
2025
74
1 race
2026

Race types (share of distance)

Road28,0%
Trail72,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 34
🏅 Top 3 M11
Longest winning streak0
Current streak0

Records

50 km4h59'1450 mi9h14'02100 mi23h14'356 h50,28 km12 h91,73 km24 h162,40 km

HISTORY

47 race(s)
DateRacePerf.Rk
2026
05.09 46mi USA14th Pinellas Trail Challenge 10:33:51 h37
2024
23.03 100mi USA2nd Hungryland 100 30:37:46 h9
13.01 100mi USA14th Long Haul 100 Mile Ultra-Marathons 30:52:14 h126
2023
30.09 6h USA9th Tick Tock 6 Hour Ultra Florida 50.275 km11
02.09 46mi USA10th Pinellas Trail Challenge 10:21:32 h60
04.03 33mi USA11th Long Play Trail Race 7:05:06 h21
2022
19.11 45mi USA2nd Colt 45 Mile Trail Run 8:46:35 h9
29.10 50km USA30th John Holmes 50k Trail Run 5:15:08 h5
03.09 46mi USA9th Pinellas Trail Challenge 12:24:48 h88
06.08 12h USA7th River to Sea 12 Hour Race 76.991 km13
01.05 50km USA10th Palm Bluff Trail Race 50K Ultra 6:16:19 h11
27.02 12h USA2nd Scrub Jay 12 Hour Ultra Marathon 76.089 km4
15.01 100mi USA12th Long Haul 100 Mile Ultra-Marathons 23:14:35 h26
2021
04.12 50mi USA7th Daytona 100 - 50 Miles Ultra 10:16:00 h11
20.11 45mi USA1st Colt 45 Mile Trail Run 8:15:13 h7
09.10 50km USA29th John Holmes 50k Trail Run 5:23:22 h9
04.09 46mi USA8th Pinellas Trail Challenge 11:04:25 h60
30.05 50km USA4th Sweat, Swat 'n Swear! 50 km Run 5:04:03 h6
02.05 50km USA9th Palm Bluff Trail Race 50K Ultra 5:42:08 h4
2020
12.12 50km USA7th Bulow Woods Trail Race and Ultra Marathon 5:36:22 h16
05.12 50km USA6th Daytona 100 - 50 km Ultra 5:36:00 h3 🥉
04.01 50km USA10th Croom Zoom 50 km Run 5:36:48 h11
2019
07.12 100mi USA5th Daytona 100 - 100 Miles Ultra 27:35:00 h54
02.11 24h USA6th Save the Daylight 24 Hour Race 75.880 km25
05.10 50km USA28th John Holmes 50k Trail Run 5:37:36 h5
21.09 12h USA6th Tick Tock 12 Hour Ultra Florida 91.410 km7
31.08 46mi USA6th Pinellas Trail Challenge 10:53:37 h34
18.05 100mi USA12th Keys100 Ultra-Marathons 100mi 28:25:31 h66
30.03 50mi USA25th Croom Trail 50 Mile Fools Run 9:14:02 h4
16.02 12h USA5th SCT Dawn to Dusk 12 Hour Challenge 80.467 km6
05.01 50km USA9th Croom Zoom 50 km Run 5:15:16 h9
2018
08.12 50km USA5th Bulow Woods Trail Race and Ultra Marathon 5:24:16 h12
2017
09.12 50km USA4th Bulow Woods Trail Race and Ultra Marathon 5:56:17 h3 🥉
2016
12.11 24h USA3rd Azalea 24 Hour Race 162.398 km3 🥉
15.10 8h USA2nd 8 Hours of Hell - Championship Race Hickeys Creek 54.154 km12
20.08 8h USA2nd 8 Hours of Hell - Ann Dever Regional Park 58.901 km6
30.07 12h USA1st River to Sea 12 Hour Race 84.007 km4
09.07 8h USA2nd 8 Hours of Hell - Oscar Scherer State Park 52.303 km8
11.06 8h USA2nd 8 Hours of Hell - Tippecanoe Environmental Park 49.567 km6
14.05 8h USA2nd 8 Hours of Hell - Caloosahatchee Regional Park 53.513 km4
01.05 50km USA4th Palm Bluff Trail Race 50K Ultra 6:22:11 h6
27.02 12h USA2nd SCT Dawn to Dusk 12 Hour Challenge 86.904 km8
2015
22.03 50km USA3srt Citrus Trail 50K 5:46:36 h9
21.02 12h USA1st SCT Dawn to Dusk 12 Hour Challenge 91.732 km2 🥈
2014
13.12 50km USA1st Bulow Woods Trail Race and Ultra Marathon 4:59:14 h8
16.08 12h USA1st Tick Tock 12 Hour Ultra Florida 77.699 km23
04.05 50km USA2nd Palm Bluff Trail Race 50K Ultra 5:42:09 h8