Chris Merrifield
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Born : 1982
Cat. M40 Ultrarunner since 2014
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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 ?United States
United States34,9%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 362; Σ finishers = 1 036. 362 / 1 036 × 100 = 34.94%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races999 km
> 24h1
Longest race96,6 km
6th Ghost Train Rail Trail Race 60 Mile — 25/10/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road8,1%
Trail91,9%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/10/2014 | 6th Ghost Train Rail Trail Race 60 Mile | 96,56 | ×3 |
| ✓ 2 | 30/4/2023 | 49th Jack Bristol Lake Waramaug 50mi Ultra Marathon | 80,47 | ×3 |
| ✓ 3 | 9/10/2021 | 3rd Midstate Massive 50 Mile Ultra Trail | 80,47 | ×3 |
| ✓ 4 | 9/6/2018 | 2nd Endurance Challenge - Massachusetts Trail 50 Miles | 80,47 | ×3 |
| ✓ 5 | 1/2/2025 | 6th TARCtic Frozen Yeti Trail Races | 80,47 | ×3 |
| ✓ 6 | 16/8/2025 | 13th TARC Summer Classic 40 Mile | 64,37 | ×2 |
| ✓ 7 | 13/8/2016 | 5th TARC Summer Classic 40 Mile | 64,37 | ×2 |
| ✓ 8 | 4/12/2021 | 11th TARC Fells Trail Ultra Winter 32 Mile | 51,50 | ×1 |
| ✓ 9 | 19/4/2025 | 16th Traprock 50k Ultramarathon | 50,00 | ×1 |
| ✓ 10 | 20/10/2024 | 17th Bimblers Bluff 50k | 50,00 | ×1 |
| ✓ 11 | 17/9/2022 | 4th The Blue 2 Blue Challenge | 50,00 | ×1 |
| ✓ 12 | 11/7/2021 | 2nd Angevine Farm 50 km Race | 50,00 | ×1 |
| ✓ 13 | 29/5/2021 | 16th Trail Festival at Pineland Farms | 50,00 | ×1 |
| ✓ 14 | 22/10/2017 | 10th Bimblers Bluff 50k | 50,00 | ×1 |
| ✓ 15 | 23/10/2016 | 9th Bimblers Bluff 50k | 50,00 | ×1 |
| ✓ 16 | 25/4/2015 | 5th TARC Spring Classic 50 km | 50,00 | ×1 |