Sy Mah
ID 216649
Born : 1926 Cat. M95 Ultrarunner since 1976 CAN
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
56
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
2
Countries visited ?CANCanadaUSAUnited States
72,8%
Rank quotient ?This runner's calculation uses 61 eligible race(s): Σ(rank − 1) = 2 868; Σ finishers = 3 941. 2 868 / 3 941 × 100 = 72.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed61
Km — ultra races5 547 km
> 100 km6
> 160 km2
> 200 km2
> 24h14
> 48h2
Longest race494,1 km
5th Edward Payson Weston Six Day Track Race — 17/6/1984

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road90,0%
Trail10,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km4h14'26100 km10h44'2950 mi8h22'4924 h133,04 km6 d494,07 km

HISTORY

62 race(s) · 7 split(s) nested
DateRacePerf.Rk
1988
04.09 50km CANPatenauge's choise 50 km 8:52:10 h18
04.06 24h USATeam Up For Children's Health 24 Hour 50.050 km21
21.05 24h USA2nd North Coast 24 Hour 59.416 km25
07.05 50mi USA5th Dawn to Dusk 50 Mile 9:58:09 h2 🥈
05.03 50km CANLa Cloche Classic 50 km 5:40:39 h14
1987
12.12 50km USA6th Tallahassee Ultra Distance Classic 50K 4:48:00 h17
21.11 50mi USA25th JFK 50 Mile 11:37:51 h164
06.09 50km CANPatenauge's choise 50 km 6:14:20 h22
22.08 24h USAMonroe Milers 24 Hour Run 86.099 km22
30.05 24h CAN7th Self-Transcendence 24 Hour Race Ottawa 82.000 km33
1986
22.11 50mi USA24th JFK 50 Mile 11:24:28 h142
12.10 50km USAAMJA 50 km Ultramarathon 5:27:25 h109
12.10 50mi USAAMJA 50 Mile Ultramarathon 9:14:19 h70
12.10 100km USAAMJA 100 km Ultramarathon 11:55:14 h15
24.05 24h CAN6th Self-Transcendence 24 Hour Race Ottawa 80.467 km46
01.03 50km CANLa Cloche Classic 50 km 6:08:55 h8
1985
23.11 50mi USA23rd JFK 50 Mile 11:26:51 h173
13.10 50mi USAAMJA 50 Mile Ultramarathon 10:02:18 h120
13.10 100km USAAMJA 100 km Ultramarathon 13:05:43 h20
25.05 24h CAN5th Self-Transcendence 24 Hour Race Ottawa 97.757 km30
18.05 50mi USA4th Ice Age Trail 50 Mile Run 10:55:25 h119
1984
27.12 48h USA1st Rocky Mountain Six-Day - 48h Split 181.855 km17
08.12 50mi USAKentucky Fifty Miler 10:10:28 h18
24.11 60km USASea Gate Ultras 60 km Run 7:15:27 h14
14.10 50mi USAAMJA 50 Mile Ultramarathon 9:44:10 h147
14.10 100km USAAMJA 100 km Ultramarathon 12:20:29 h21
18.08 24h USAMonroe Milers 24 Hour Run 117.079 km5
03.08 50mi USADC Road Runners 50 Mile 9:54:57 h6
17.06 6d USA5th Edward Payson Weston Six Day Track Race 494.068 km20
19.05 24h CAN4th Self-Transcendence 24 Hour Race Ottawa 106.086 km28
1983
18.12 50km USA5th Running Central Ultra Challenge 50 km 5:11:39 h39
18.12 60km USA5th Running Central Ultra Challenge 60 km 6:45:02 h13
26.11 60km USASea Gate Ultras 60 km Run 8:28:55 h64
19.11 50mi USA21st JFK 50 Mile 10:46:48 h190
02.10 50mi USAAMJA 50 Mile Ultramarathon 8:32:50 h97
02.10 100km USAAMJA 100 km Ultramarathon 11:11:46 h14
20.08 24h USAMonroe Milers 24 Hour Run 88.513 km9
07.08 50km USA2nd Skyline 50k Endurance Run 7:09:28 h162
25.07 6d USA2nd The New Astley Belt Six Day Race 484.412 km9
02.07 24h CAN3rd Self-Transcendence 24 Hour Race Ottawa 121.208 km11
23.04 50km CAN3rd Toronto 50k Ultramarathon 5:30:14 h6
1982
27.11 100km USASea Gate Ultras 100 km Run 11:36:39 h9
06.11 24h USAAll in a Day's 24 Hour Run 133.035 km7
03.10 50mi USAAMJA 50 Mile Ultramarathon 8:42:00 h142
03.10 100km USAAMJA 100 km Ultramarathon 11:19:53 h33
27.03 50km USAMidwest 50 km 4:57:29 h41
1981
01.11 60km USAFort Wayne Track Club Ultramarathons 60 km 6:43:14 h59
04.10 50mi USAAMJA 50 Mile Ultramarathon 8:22:49 h118
04.10 100km USAAMJA 100 km Ultramarathon 10:44:29 h12
29.08 49mi USALaurel 50 Miler 8:58:38 h32
25.07 24h CAN1st Self-Transcendence 24 Hour Race Ottawa 80.818 km14
1980
29.11 60km USAToledo Marathon Plus 60km 6:20:30 h38
29.11 50mi USAToledo Marathon Plus 50mi 8:53:40 h24
12.10 36mi USADannon Two Bridges 5:29:09 h74
05.10 100km USAAMJA 100 km Ultramarathon 11:43:00 h21
05.10 50mi USA2nd AMJA 50 Mile Ultramarathon 8:36:56 h57
23.08 50mi USALaurel 50 Miler 8:34:52 h17
04.05 50mi USA7th Lake Waramaug 50mi Ultra Marathon 9:06:04 h81
04.05 100km USA7th Lake Waramaug 100km Ultra Marathon 11:59:04 h21
1979
13.10 50mi USA1st AMJA 50 Mile Ultramarathon 9:35:22 h53
1977
12.11 50km USA50km of Toledo RRC 4:16:54 h10
1976
14.11 50km USA50km of Toledo RRC 4:14:26 h3 🥉