DUV ULTRA STATS

Siebersma, Mike

United StatesManBorn 19782017 – 2026Runner id 1020644
Events
8
2017 – 2026
Best pace
10.047
km/h · 2020
Best finish
2nd
of 38 · 2023
Distance raced
1,035
km · splits not double-counted

Pace over time

km/h · higher is faster

5.06.57.99.410.920172026

Pace over time: 8 races from 2017 to 2026, ranging from 5.42 to 10.45 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
2017-10-28
ORRC Autumn Leaves 50 Mile RunUnited States*Tigard, OR
50mi8:32:36 h9.4196/26
2019-03-29
Badger Mountain 100 Mile ChallengeUnited States*Portland, OR
100mi23:39:10 h6.80433/83
2020-10-24
Glacier Hills 50k UltraUnited States*Portland, OR
50km4:58:36 h10.04710/42
2021-06-25
Black Hills 50 Km RunUnited States*Arlington, SD
50km6:27:44 h7.73730/121
2021-11-05
Farmland 100 Mile RaceUnited States*Arlington, SD
100mi21:07:00 h7.6211/6
2023-10-28
Glacier Hills 50k UltraUnited States*Arlington, SD
50km5:05:41 h9.8142/38
2024-09-13
Cowboy 200United States*Arlington, SD
200mi2d 05:17:49 h6.0395/45
2026-05-01
San Diego 100 Mile Endurance RunUnited States*Bellflower, CA
100mi29:39:47 h5.42568/126