Maree Jesson
ID 637271
Born : 1972 Cat. W50 Ultrarunner since 1993 GBR
44
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
54
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
6
Countries visited ?ESPSpainGBRUnited KingdomHKGHong KongITAItalyMARMoroccoRSASouth Africa
32,8%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 43 649; Σ finishers = 132 966. 43 649 / 132 966 × 100 = 32.83%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed54
Km — ultra races4 170 km
> 100 km13
> 160 km7
> 200 km1
Longest race257,0 km
31. Marathon des Sables — 10/4/2016

Km per year (ultra races)

284
3 races
2022
322
4 races
2023
295
3 races
2024
556
4 races
2025
125
2 races
2026

Race types (share of distance)

Road19,2%
Trail65,0%
Stage15,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F3
🏅 Top 30
🏅 Top 3 F7
Longest winning streak0
Current streak0

Records

50 km5h26'31100 km12h46'1350 mi8h44'00100 mi21h31'24

HISTORY

44 race(s) · 2 split(s) nested
DateRacePerf.Rk
2026
16.06 43mi GBRSummer Spine Sprint North 13:20:14 h29
05.04 56km RSA56th Two Oceans Marathon 5:11:45 h2104
2025
25.08 153km ITA15ème Sur les Traces des Ducs de Savoie 41:17:13 h970
26.07 50mi GBRLakeland 50 Mile 14:26:17 h548
14.06 100mi GBR13th South Downs Way 100 Mile Race 27:29:57 h310
18.05 162km/3stages GBRCape Wrath 100 31:26:16 h4
2024
08.06 100mi GBR12th South Downs Way 100 Mile Race 28:47:20 h329
01.06 60km GBR4th Cairngorms Ultra Trail 9:50:34 h77
13.01 46mi GBR3rd Winter Spine Sprint 13:36:10 h34
2023
05.08 48mi GBR13th Round the Rock Jersey 48 Miles 10:03:34 h51
08.07 100km GBR10th Race to the Stones 12:46:13 h140
17.06 46mi GBRSummer Spine Sprint 11:04:56 h22
20.05 44mi GBR17th Endurancelife Classic Quarter 10:48:23 h87
2022
22.10 73km ESP12. Transvulcania by UTMB 13:44:35 h607
16.07 31mi GBR3rd Wendover Woods Night 50km 7:07:30 h74
07.05 100mi GBR11th Thames Path 100 21:31:24 h48
2021
08.05 100mi GBR10th Thames Path 100 24:28:22 h110
2020
08.03 33mi GBRThe Imber Ultra 5:41:49 h28
18.01 100km HKG10th Hong Kong 100 Ultra Trail Race 20:36:14 h500
2019
28.12 50km GBR4th Winter Cross Ultra 50km 5:26:31 h39
09.06 87km RSA94th Comrades Marathon - Up Run 9:23:43 h3672
03.03 33mi GBRThe Imber Ultra 5:19:22 h20
2018
07.07 125.5km GBR1st The High Life Ultra 125km 21:40:10 h9
10.06 90km RSA93rd Comrades Marathon - Down Run 10:47:07 h9065
26.05 95.5mi GBR5th West Highland Way Challenge Race 30:42:00 h47
28.04 53mi GBR13th Highland Fling Race 12:28:58 h389
31.03 56km RSA49th Two Oceans Marathon 5:26:02 h2129
2017
04.06 87km RSA92nd Comrades Marathon - Up Run 9:27:31 h3137
08.04 50mi GBR5th South Downs Way 50 Mile Race 8:46:39 h57
2016
24.09 102mi GBRCotswold Way Century 25:50:00 h8
26.08 101km ITA11ème Courmayeur-Champex-Chamonix 20:34:38 h365
10.04 257km/6stages MAR31. Marathon des Sables 40:28:13 h235
06.02 66mi/2stages GBRPilgrim Challenge North Downs Way Multistage Ultra 11:05:15 h15
2015
06.11 84mi/3stages GBR7th Druid Challenge Ridgeway Multistage Ultra 12:47:32 h5
07.06 35mi GBRNorthants Ultra 35 4:56:32 h11
16.05 50mi GBR5th North Downs Way 50 Mile Race 8:57:06 h25
07.02 50mi GBRGB Ultra Thames Trot 8:44:00 h85
1999
16.06 89km RSA74th Comrades Marathon - Down Run 9:13:56 h3568
03.04 56km RSA30th Two Oceans Marathon 5:01:17 h1865
1998
11.04 56km RSA29th Two Oceans Marathon 5:12:45 h2566
1997
29.03 56km RSA28th Two Oceans Marathon 5:06:28 h2364
1996
06.04 56km RSA27th Two Oceans Marathon 5:21:35 h3377
1994
02.04 56km RSA25th Two Oceans Marathon 4:43:51 h1528
1993
10.04 56km RSA24th Two Oceans Marathon 5:07:23 h3040