Colleen Lawrence
ID 673171
Born : 1980 Cat. W45 Ultrarunner since 2014 USA
41
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
51,6%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 1 580; Σ finishers = 3 062. 1 580 / 3 062 × 100 = 51.60%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races2 474 km
> 100 km1
> 160 km1
> 24h4
> 48h2
Longest race162,5 km
2nd A Race for the Ages — 1/9/2016

Km per year (ultra races)

196
3 races
2022
165
3 races
2023
353
6 races
2024
132
2 races
2025
2026

Race types (share of distance)

Road41,0%
Trail59,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 32
🏅 Top 3 F11
Longest winning streak0
Current streak0

Records

50 km5h37'3450 mi9h47'456 h49,05 km12 h69,52 km24 h64,86 km48 h81,95 km

HISTORY

41 race(s)
DateRacePerf.Rk
2025
16.04 50km USA1st World's Fair Ultras 6:42:22 h4
14.02 48h USA1st Sombrero Ultra Running Festival 81.951 km28
2024
14.12 50mi USA10th Daytona 100 - 50 Miles Ultra 12:25:12 h31
09.11 8h USA2nd Shelli Huether Veterans Day Honor Run 59.223 km10
19.10 24h USA13th St. Pats 24 Hour Races 64.856 km46
27.04 12h USA5th Bronze Dragonfly 12 Hour Ultra Day 49.744 km23
13.04 50km USA26th Taturs Lake McMurtry 50 km Trail Race 9:10:45 h48
24.03 6h USA1st Loopapalooza 49.052 km10
2023
01.07 24h USA12th Merrill's Mile 24 Hour Run 52.588 km31
27.06 37mi USA5th Toxic Trail 37 Mile Race 9:53:06 h23
04.03 33mi USA11th Long Play Trail Race 7:52:29 h44
2022
02.07 12h USA11th Merrill's Mile 12 Hour Run 65.336 km11
20.05 50mi USA1st Chief Ladiga 100 - 50 Miles 11:16:14 h4
22.04 50km USA3rd Big Frog 50kmTrail Runs 8:18:19 h29
2021
07.08 12h USA1st Warhorse 12 Hour Race 53.108 km16
08.05 12h USA4th Locomotion 12 Hour Run 51.499 km15
2019
28.12 50km USA3rd Jupiter Ridge Sand Spur 50k 6:48:19 h14
02.11 50km USA4th Saint Sebastian 100 - 50 km Ultra-Marathon 6:41:25 h11
06.07 50km USA26th Afton Trail Run 50K 6:38:30 h135
06.04 50km USA5th Yamacraw 50k 7:22:26 h176
16.02 50km USA2nd Eagle Ridge 50km 7:35:25 h18
05.01 50km USA2nd The Great Scorpion Trail Run 6:52:15 h27
2018
10.11 50mi USA5th Tunnel Hill 50 Mile Race 10:50:55 h155
25.08 50km USA2nd Shawnee Hills 100 - 50 km 8:47:41 h29
05.05 40mi USA40th Strolling Jim 40 Mile 9:01:32 h146
25.02 6h USAMiles for Maria 6 Hour Race 47.073 km3 🥉
2017
02.12 50km USA4th Arctic Frog 50 km Race 5:37:34 h45
06.05 40mi USA39th Strolling Jim 40 Mile 7:40:18 h70
15.04 12h USA2nd Locomotion 12 Hour Run 48.280 km30
05.03 7h USA1st Yeti 7 Hour Endurance Run 51.499 km6
19.02 50mi USA7th Destin 50 Mile Beach Ultra 11:40:48 h15
2016
05.11 60km USA9th Nashville 60 km Ultra Marathon 7:03:10 h2 🥈
01.09 85h USA2nd A Race for the Ages 162.543 km86
11.06 12h USA2nd Midsummer Nights Dream 12 Hour Ultra 69.523 km16
09.04 50km USA2nd Yamacraw 50k 7:00:08 h45
19.03 50km USA4th Music City Trail Ultra 7:03:09 h21
20.02 50km USA10th Black Warrior 50K 6:13:16 h28
2015
14.11 50mi USA2nd Tunnel Hill 50 Mile Race 9:47:45 h61
24.10 50km USA1st Firewater 50k Trail Race 7:48:40 h23
02.05 40mi USA37th Strolling Jim 40 Mile 7:20:28 h47
2014
13.12 50km USA1st Bell Ringer 50k Trail Run 6:46:03 h39