Tracey Sperring
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Born : 1980
Cat. W45 Ultrarunner since 2024
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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 Kingdom
United Kingdom46,2%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 751; Σ finishers = 1 625. 751 / 1 625 × 100 = 46.22%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races740 km
> 100 km2
> 160 km2
Longest race160,9 km
Epona 100 Miler — 9/5/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 06.06 | 40mi | The Vogum - Vale of Glamorgan Ultra Marathon |
9:43:00 h | 82 |
| 09.05 | 100mi | Epona 100 Miler |
40:35:50 h | 60 |
| 2025 | ||||
| 23.08 | 100mi | 1st Sirona 100 |
44:12:38 h | 65 |
| 02.08 | 50mi | The Eddum |
17:25:00 h | 138 |
| 05.07 | 30mi | 3rd The Pigum |
8:07:00 h | 106 |
| 07.06 | 40mi | The Vogum - Vale of Glamorgan Ultra Marathon |
8:28:00 h | 57 |
| 03.05 | 30mi | The Howum - Heart of Wales Ultra Marathon |
7:00:00 h | 113 |
| 2024 | ||||
| 07.09 | 30mi | The Ridum - Ridgeway Ultra Marathon |
7:35:00 h | 88 |
| 01.06 | 40mi | The Vogum - Vale of Glamorgan Ultra Marathon |
8:52:00 h | 51 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/5/2026 | Epona 100 Miler | 160,93 | ×6 |
| ✓ 2 | 23/8/2025 | 1st Sirona 100 | 160,93 | ×6 |
| ✓ 3 | 2/8/2025 | The Eddum | 80,47 | ×3 |
| ✓ 4 | 6/6/2026 | The Vogum - Vale of Glamorgan Ultra Marathon | 64,37 | ×2 |
| ✓ 5 | 7/6/2025 | The Vogum - Vale of Glamorgan Ultra Marathon | 64,37 | ×2 |
| ✓ 6 | 1/6/2024 | The Vogum - Vale of Glamorgan Ultra Marathon | 64,37 | ×2 |
| ✓ 7 | 5/7/2025 | 3rd The Pigum | 48,28 | ×2 |
| ✓ 8 | 3/5/2025 | The Howum - Heart of Wales Ultra Marathon | 48,28 | ×2 |
| ✓ 9 | 7/9/2024 | The Ridum - Ridgeway Ultra Marathon | 48,28 | ×2 |