William Lapham

Born : 1956 Cat. M70 Ultrarunner since 2015

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

United States

72,9%

Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 665; Σ finishers = 912. 665 / 912 × 100 = 72.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed10

Km — ultra races1 234 km

> 100 km5

> 160 km2

> 200 km2

> 24h5

> 48h3

Longest race329,5 km

34th Across the Years, 6 days — 28/12/2018

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road79,5%

Trail20,5%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 30

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

50 km7h35'44 12 h77,25 km 24 h107,02 km 48 h100,99 km 6 d329,45 km

HISTORY

10 race(s) · 2 split(s) nested

Date		Race	Perf.	Rk
2019
28.12	6d	35th Across the Years, 6 days	290.029 km	20
28.12	100km	35th Across the Years, 6 days - 100km Split	29:28:07 h	14
28.12	100mi	35th Across the Years, 6 days - 100mi Split	2d 05:57:37 h	16
27.09	48h	Beebe Farm 48-Hour Run	100.986 km	37
27.07	12h	4th Loopty Loop 12 Hour Ultra Trail Marathon	50.694 km	88
22.06	24h	1st C.R.C Summer Solstice 24 Hour Run / Relay	107.021 km	4
04.05	24h	1st Twilight Zone 24 Hour Endurance Run	101.791 km	28
2018
28.12	6d	34th Across the Years, 6 days	329.452 km	45
27.10	12h	7th Bad Apple Ultra - 12 hour	77.248 km	9
2015
19.12	50km	19th Huff 50K Trail Run	7:35:44 h	318
24.10	12h	5th Bad Apple Ultra - 12 hour	77.248 km	18
26.04	50km	4th The Trail Marathon 50K	7:58:21 h	108

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	28/12/2018	34th Across the Years, 6 days	329,45	×9
✓ 2	28/12/2019	35th Across the Years, 6 days	290,03	×8
✓ 3	22/6/2019	1st C.R.C Summer Solstice 24 Hour Run / Relay	107,02	×3
✓ 4	4/5/2019	1st Twilight Zone 24 Hour Endurance Run	101,79	×3
✓ 5	27/9/2019	Beebe Farm 48-Hour Run	100,99	×3
✓ 6	27/10/2018	7th Bad Apple Ultra - 12 hour	77,25	×2
✓ 7	24/10/2015	5th Bad Apple Ultra - 12 hour	77,25	×2
✓ 8	27/7/2019	4th Loopty Loop 12 Hour Ultra Trail Marathon	50,69	×1
✓ 9	19/12/2015	19th Huff 50K Trail Run	50,00	×1
✓ 10	26/4/2015	4th The Trail Marathon 50K	50,00	×1