Tong-Tong (石童童) Shi
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6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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
16,3%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 286; Σ finishers = 1 752. 286 / 1 752 × 100 = 16.32%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races345 km
Longest race74,6 km
6th Ultra Trail Mt Siguniang 75 km — 7/11/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 21.10 | 50.7km | 7:23:24 h | 84 | |
| 2022 | ||||
| 12.11 | 52.1km | 11:57:31 h | 25 | |
| 2021 | ||||
| 22.10 | 51.1km | 8:03:17 h | 79 | |
| 09.05 | 52.6km | 8:05:16 h | 37 | |
| 2020 | ||||
| 07.11 | 74.6km | 21:37:45 h | 46 | |
| 2019 | ||||
| 19.10 | 64km | 8:56:34 h | 21 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/11/2020 | 6th Ultra Trail Mt Siguniang 75 km | 74,60 | ×4 |
| ✓ 2 | 19/10/2019 | 4th Taiyuan Ultra Trail - Dragon 60 km | 64,00 | ×3 |
| ✓ 3 | 9/5/2021 | 5th Yuquan Mountain Trail | 52,60 | ×3 |
| ✓ 4 | 12/11/2022 | 7th Ultra Trail Mt Siguniang 50 km | 52,10 | ×3 |
| ✓ 5 | 22/10/2021 | 4th Yunqiu Mountain Trail - 50 km | 51,10 | ×3 |
| ✓ 6 | 21/10/2023 | 5th Yunqiu Mountain Trail - MMY 50K | 50,70 | ×2 |