Christopher Clapp
ID 783744
Born : 1969 Cat. M55 Ultrarunner since 2015 USA
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
20,5%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 454; Σ finishers = 2 210. 454 / 2 210 × 100 = 20.54%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races1 937 km
> 100 km2
> 160 km1
> 24h1
Longest race160,9 km
2nd Lighthouse 100-Mile Ultra — 2/6/2018

Km per year (ultra races)

130
1 race
2022
160
2 races
2023
196
3 races
2024
300
4 races
2025
2026

Race types (share of distance)

Road35,1%
Trail61,2%
Elim.3,8%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M3
🏅 Top 36
🏅 Top 3 M8
Longest winning streak1
Current streak0

Records

50 km4h24'0350 mi8h52'01100 mi18h06'166 h63,30 km12 h98,11 kmBackyard11 loops

HISTORY

27 race(s)
DateRacePerf.Rk
2025
20.12 6h USA1st Sleigh It 56.327 km3 🥉
27.09 12h USA11th Tick Tock 12 Hour Ultra Florida 95.984 km6
12.07 12h USA2nd Sombrero Sizzler 12h 98.105 km1 🏆
05.04 50km USA31st Croom Trail 50K I'm Not A Fool Run 4:46:30 h2 🥈
2024
28.12 50km USA8th Jupiter Ridge Sand Spur 50k 6:11:04 h4
19.10 50km USA7th Bobcat Trail Race 50k 7:52:23 h20
28.09 12h USA10th Tick Tock 12 Hour Ultra Florida 95.981 km4
2023
30.09 12h USA9th Tick Tock 12 Hour Ultra Florida 95.981 km5
18.02 12h USA10th Whispering Pines 12 Hours 64.373 km22
2022
10.12 81mi USA6th Jupiter Ridge Sand Spur 80 Miles 17:27:25 h4
2021
14.08 8h USA9th Sweltering Summer Ultra 8 Hours Run 67.978 km8
2020
03.10 Backyard Ultra USA2nd Bubba's Backyard Ultra 73.225 km24
19.09 50km USA2nd Firebird 50km Trail Race 6:00:42 h8
2019
24.08 50km USA2nd Dorset Running Festival - Lost Cat 50K 5:44:57 h11
2018
22.09 6h USA5th Joe English Twilight Challenge 62.764 km1 🏆
08.09 50km USA9th KTA Trail Challenge 6:07:05 h63
02.09 50km USA6th The Rut Mountain Runs 8:30:07 h123
02.06 100mi USA2nd Lighthouse 100-Mile Ultra 18:06:16 h2 🥈
2017
18.11 50km USA3rd Dead Horse 50 km Race 4:24:03 h16
22.10 50km USA10th Bimblers Bluff 50k 5:14:28 h6
14.10 6h USA4th Joe English Twilight Challenge 63.295 km1 🏆
23.09 50mi USA4th Endurance Challenge - Utah Trail 50 Miles 10:07:48 h13
17.09 50km USA20th Pisgah Mountain Trail Race 5:05:21 h9
2016
17.12 50mi USA9th Lookout Mountain 50 Mile Race 9:33:47 h23
23.10 50km USA9th Bimblers Bluff 50k 6:15:28 h32
29.05 50mi USA11th Trail Festival at Pineland Farms 9:11:59 h53
2015
07.11 50mi USA15th Stone Cat 50 Mile 8:52:01 h17