April Calaway
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
11,4%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 109; Σ finishers = 958. 109 / 958 × 100 = 11.38%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 626 km
> 100 km5
> 160 km4
> 24h2
Longest race162,3 km
7th KUS 24 Hour Ultramarathon — 16/11/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road19,1%
Trail80,9%
Wins & podiums (ultra)
🏆 Win2
🏆 Win F9
🏅 Top 37
🏅 Top 3 F12
Longest winning streak1
Current streak0
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/11/2013 | 7th KUS 24 Hour Ultramarathon | 162,32 | ×4 |
| ✓ 2 | 11/10/2025 | 26th Heartland 100 Mile Race | 160,93 | ×4 |
| ✓ 3 | 28/10/2023 | 11th Kansas Rails-to-Trails Fall Extravaganza 100 Mile | 160,93 | ×4 |
| ✓ 4 | 11/10/2014 | 15th Heartland 100 Mile Race | 160,93 | ×4 |
| ✓ 5 | 12/6/2024 | 18th KUS 24 Hour Ultramarathon | 148,40 | ×4 |
| ✓ 6 | 10/1/2015 | 15th Bandera 100 km Ultratrail | 100,00 | ×2 |
| ✓ 7 | 26/4/2025 | 12th Heartland 50 Mile Race | 80,47 | ×2 |
| ✓ 8 | 11/5/2024 | 4th Flower Moon 50 Mile Race | 80,47 | ×2 |
| ✓ 9 | 13/5/2023 | 3rd Flower Moon 50 Mile Race | 80,47 | ×2 |
| ✓ 10 | 27/3/2021 | 9th Prairie Spirit 50 Mile Trail Ultra Race | 80,47 | ×2 |
| ✓ 11 | 10/2/2014 | 1st Heartland 50 Mile Race | 80,47 | ×2 |
| ✓ 12 | 23/3/2013 | 1st Prairie Spirit 50 Mile Trail Ultra Race | 80,47 | ×2 |
| ✓ 13 | 4/4/2026 | 27th Rockin-K Trail 50 km | 50,00 | ×1 |
| ✓ 14 | 1/4/2023 | 24th Rockin-K Trail 50 km | 50,00 | ×1 |
| ✓ 15 | 9/2/2013 | 9th Run Toto Run Psycho Wyco 50K | 50,00 | ×1 |