Lin (任林) Ren
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Born : 1973
Cat. M50 Ultrarunner since 2016
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
18
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 ?China
China76,7%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 1 621; Σ finishers = 2 114. 1 621 / 2 114 × 100 = 76.68%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races411 km
Longest race100,0 km
10th Wuyishan Trail Race 100 km — 8/11/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 08.11 | 100km | 10th Wuyishan Trail Race 100 km |
27:58:06 h | 529 |
| 2020 | ||||
| 07.11 | 50km | 5th Conghua CH50 - 50 km Run |
12:01:42 h | 361 |
| 2019 | ||||
| 23.03 | 50km | 4th Conghua CH50 - 50 km Run |
13:09:20 h | 282 |
| 2018 | ||||
| 13.10 | 54km | 1st Lianshan Int. Trail Challenge |
11:34:41 h | 69 |
| 31.03 | 51km | 3rd Conghua CH50 - 51 km Run |
11:53:39 h | 81 |
| 2017 | ||||
| 05.03 | 55.8km | 2nd Conghua CH50 |
14:46:22 h | 230 |
| 2016 | ||||
| 06.11 | 50km | Singwood Trailathon |
7:31:35 h | 76 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/11/2025 | 10th Wuyishan Trail Race 100 km | 100,00 | ×5 |
| ✓ 2 | 5/3/2017 | 2nd Conghua CH50 | 55,80 | ×3 |
| ✓ 3 | 13/10/2018 | 1st Lianshan Int. Trail Challenge | 54,00 | ×3 |
| ✓ 4 | 31/3/2018 | 3rd Conghua CH50 - 51 km Run | 51,00 | ×2 |
| ✓ 5 | 7/11/2020 | 5th Conghua CH50 - 50 km Run | 50,00 | ×2 |
| ✓ 6 | 23/3/2019 | 4th Conghua CH50 - 50 km Run | 50,00 | ×2 |
| ✓ 7 | 6/11/2016 | Singwood Trailathon | 50,00 | ×2 |