DUV ULTRA STATS

Korfmacher, John

United StatesManBorn 19652000 – 2026Runner id 212135
Events
19
2000 – 2026
Best pace
9.238
km/h · 2000
Best finish
11th
of 141 · 2016
Distance raced
1,375
km · splits not double-counted

Pace over time

km/h · higher is faster

5.36.57.68.79.820002026

Pace over time: 19 races from 2000 to 2026, ranging from 5.65 to 9.54 kilometres per hour, where higher is faster. A second, age-graded series is drawn above it; the gap between the two is the age credit.

  • Actual pace
  • Age-graded pace

Results

Every result for this runner in date order. Splits of a race are indented and are not counted again in the distance total.
DateEventDistanceResultPace km/hPlacing
2000-05-20
Silver State 50 MilesUnited States
50mi8:42:36 h9.2382/21
2002-05-18
Silver State 50 MilesUnited States
50mi8:52:13 h9.0726/35
2004-06-19
San Juan Solstice 50 Mile RunUnited States
50mi11:33:06 h6.96619/110
2011-09-24
Sandia CrossingUnited States
29mi5:15:18 h8.8815/31
2012-05-19
Jemez Mountain 50mi Trail RunUnited States*Fort Collins, CO
50mi11:15:55 h7.14321/88
2015-06-27
San Juan Solstice 50 Mile RunUnited States*Fort Collins, CO
50mi12:35:52 h6.38775/183
2016-06-18
River of No Return Endurance Run 108KUnited States*Fort Collins, CO
108km16:58:12 h6.36418/50
2016-07-16
Tahoe Rim Trail 50M Endurance RunUnited States*Fort Collins, CO
50mi10:22:09 h7.76011/141
2017-06-03
Golden Gate Dirty 30United States
50km7:02:30 h7.101108/353
2018-05-05
Endurance Challenge - New York Trail 50 MilesUnited States*Fort Collins, CO
50mi11:19:12 h7.10893/271
2019-09-28
Crested Butte 55 km UltraUnited States*Fort Collins, CO
55km7:36:43 h7.22544/135
2019-11-16
Endurance Challenge - California Trail 50 MileUnited States*Fort Collins, CO
50mi11:29:28 h7.003227/465
2022-08-27
Continental Divide Trail RunUnited States*Fort Collins, CO
50km6:48:01 h7.35366/107
2023-06-24
San Juan Solstice 50 Mile RunUnited States*Fort Collins, CO
50mi13:24:56 h5.99885/201
2023-09-24
Vermont 50 Miles Ultra RunUnited States*Fort Collins, CO
50mi11:07:28 h7.23387/135
2025-05-31
Cayuga Trails 50 km RaceUnited States*Fort Collins, CO
50km7:29:42 h6.67148/186
2025-09-26
Red Feather Trail Jamboree - 50miUnited States*Fort Collins, CO
50mi12:17:20 h6.54819/60
2026-01-31
AZT Oracle Rumble 50 kmUnited States*Fort Collins, CO
50km7:14:38 h6.90233/78
2026-06-20
San Juan Solstice 50 Mile RunUnited States*Fort Collins, CO
50mi14:14:04 h5.653155/239