Jason Pratt

Born : 1975 Cat. M50 Ultrarunner since 1997

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 ?

South Africa

7,3%

Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 2 525; Σ finishers = 34 592. 2 525 / 34 592 × 100 = 7.30%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed7

Km — ultra races463 km

Longest race89,0 km

72nd Comrades Marathon - Down Run — 16/6/1997

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road100,0%

Records

50 km3h57'46

HISTORY

7 race(s)

Date		Race	Perf.	Rk
2007
17.03	50km	17th Om Die Dam 50km	4:18:40 h	356
2006
18.03	50km	16th Om Die Dam 50km	4:13:02 h	320
2005
19.03	50km	15th Om Die Dam 50km	4:00:07 h	172
2003
15.03	50km road race	13th Om Die Dam 50km	3:57:46 h	227
2002
17.06	87km road race	77th Comrades Marathon - Up Run	7:28:56 h	562
1998
16.06	87km	73rd Comrades Marathon - Up Run	7:01:17 h	251
1997
16.06	89km	72nd Comrades Marathon - Down Run	7:20:32 h	644

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	16/6/1997	72nd Comrades Marathon - Down Run	89,00	×4
✓ 2	17/6/2002	77th Comrades Marathon - Up Run (RSA)	87,00	×4
✓ 3	16/6/1998	73rd Comrades Marathon - Up Run	87,00	×4
✓ 4	17/3/2007	17th Om Die Dam 50km	50,00	×2
✓ 5	18/3/2006	16th Om Die Dam 50km	50,00	×2
✓ 6	19/3/2005	15th Om Die Dam 50km	50,00	×2
✓ 7	15/3/2003	13th Om Die Dam 50km (RSA)	50,00	×2