Michaela Burgess

Born : 1980 Cat. W45 Ultrarunner since 2011

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 ?

United States

44,1%

Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 2 834; Σ finishers = 6 423. 2 834 / 6 423 × 100 = 44.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed17

Km — ultra races1 496 km

> 100 km3

> 160 km3

Longest race160,9 km

18th Rio Del Lago 100 Mile Endurance Run — 3/11/2018

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F0

🏅 Top 30

🏅 Top 3 F1

Longest winning streak0

Current streak0

Records

50 km5h27'58 100 km14h51'12 50 mi9h42'25 100 mi23h43'46

HISTORY

17 race(s)

Date		Race	Perf.	Rk
2025
26.04	50km	12th The Canyons Endurance 50 km Run	6:04:17 h	197
2024
21.12	50km	2nd Doomsday	6:08:24 h	12
2020
15.02	100km	7th Black Canyon Trail 100 km Run	15:08:26 h	300
2019
09.03	50km	8th Marin Ultra Challenge 50 km Race	5:54:21 h	91
2018
03.11	100mi	18th Rio Del Lago 100 Mile Endurance Run	23:43:46 h	53
21.07	50mi	17th Tahoe Rim Trail 50M Endurance Run	13:05:10 h	70
2016
09.04	50mi	8th Lake Sonoma 50 Mile Race	11:06:06 h	172
2015
07.11	100mi	15th Rio Del Lago 100 Mile Endurance Run	24:26:55 h	83
2014
13.09	50mi	8th Headlands Hundred 50 Mile Endurance Run	11:04:36 h	20
05.04	50mi	35th American River 50 Mile Endurance Run	11:01:28 h	451
2013
12.10	50mi	31st Dick Collins Firetrails 50 Mile	10:22:02 h	145
09.03	50km	24th Way Too Cool 50K Endurance Run	5:27:58 h	266
2012
23.06	100mi	39th Western States 100 Mile Endurance Run	27:37:35 h	216
05.05	100km	17th Miwok 100k Trail race	14:51:12 h	156
14.04	50mi	4th Lake Sonoma 50 Mile Race	11:34:40 h	163
2011
09.04	50mi	32nd American River 50 Mile Endurance Run	9:42:25 h	213
12.03	50km	22nd Way Too Cool 50K Endurance Run	5:45:46 h	243

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	3/11/2018	18th Rio Del Lago 100 Mile Endurance Run	160,93	×4
✓ 2	7/11/2015	15th Rio Del Lago 100 Mile Endurance Run	160,93	×4
✓ 3	23/6/2012	39th Western States 100 Mile Endurance Run	160,93	×4
✓ 4	15/2/2020	7th Black Canyon Trail 100 km Run	100,00	×2
✓ 5	5/5/2012	17th Miwok 100k Trail race	100,00	×2
✓ 6	21/7/2018	17th Tahoe Rim Trail 50M Endurance Run	80,47	×2
✓ 7	9/4/2016	8th Lake Sonoma 50 Mile Race	80,47	×2
✓ 8	13/9/2014	8th Headlands Hundred 50 Mile Endurance Run	80,47	×2
✓ 9	5/4/2014	35th American River 50 Mile Endurance Run	80,47	×2
✓ 10	12/10/2013	31st Dick Collins Firetrails 50 Mile	80,47	×2
✓ 11	14/4/2012	4th Lake Sonoma 50 Mile Race	80,47	×2
✓ 12	9/4/2011	32nd American River 50 Mile Endurance Run	80,47	×2
✓ 13	26/4/2025	12th The Canyons Endurance 50 km Run	50,00	×1
✓ 14	21/12/2024	2nd Doomsday	50,00	×1
✓ 15	9/3/2019	8th Marin Ultra Challenge 50 km Race	50,00	×1
✓ 16	9/3/2013	24th Way Too Cool 50K Endurance Run	50,00	×1
✓ 17	12/3/2011	22nd Way Too Cool 50K Endurance Run	50,00	×1