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| Name: | Mersereau, Robert |
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| Club: | |||
| Residence: | Rocklin, CA | ||
| Year of birth: | 1960 | (Cat. german: M65) | |
| Date of birth: | 27.01.1960 | (Cat. internat.: M65) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 53648 | ||
41 search results (41 Events, 4352.362 km). (More)
| 2025 | 3 Events, 453.211 km (More) | ||||
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| 28.-30.12.2025 | Across The Years, 100mi (USA) | 100mi | |||
| 39:38:38 h | Mersereau, Robert | *Fallbrook, CA | Overall: 60 | M: 41 | Cat M65: 2 |
| 04.-06.04.2025 | Beyond Limits Ultra Race 48 Hour (USA) | 48h | |||
| 128.747 km | Mersereau, Robert | *Fallbrook, CA | Overall: 26 | M: 14 | Cat M65: 2 |
| 14.-16.02.2025 | Jackpot Ultra Running Festival 48 Hour Race (USA) | 48h | |||
| 163.530 km | Mersereau, Robert | *Fallbrook, CA | Overall: 17 | M: 10 | Cat M65: 1 |
| 2024 | 3 Events, 489.894 km (More) | ||||
| 28.-29.12.2024 | Across the Years, 48h (USA) | 48h | |||
| 160.956 km | Mersereau, Robert | *Fallbrook, CA | Overall: 30 | M: 18 | Cat M60: 2 |
| 22.-24.03.2024 | RUN4Kids 48 Hour Race (USA) | 48h | |||
| 163.509 km | Mersereau, Robert | *Fallbrook, CA | Overall: 5 | M: 3 | Cat M60: 2 |
| 16.-18.02.2024 | Jackpot Ultra Running Festival 48 Hour Race (USA) | 48h | |||
| 165.429 km | Mersereau, Robert | *Fallbrook, CA | Overall: 17 | M: 12 | Cat M60: 3 |
| 2023 | 4 Events, 332.364 km (More) | ||||
| 28.12.2023-03.01.2024 | Across the Years, 48h (USA) | 48h | |||
| 160.956 km | Mersereau, Robert | *Fallbrook, CA | Overall: 23 | M: 12 | Cat M60: 2 |
| 17.-19.11.2023 | Fat Ox 48 Hour Run (USA) | 48h | |||
| 68.369 km | Mersereau, Robert | *Fallbrook, CA | Overall: 22 | M: 15 | Cat M60: 1 |
| 13.-15.04.2023 | Beyond Limits Ultra Race 48 Hour (USA) | 48h | |||
| 54.717 km | Mersereau, Robert | *Rocklin, CA | Overall: 19 | M: 10 | Cat M60: 4 |
| 03.-05.03.2023 | Jackpot Ultra Running Festival 48 Hour Race (USA) | 48h | |||
| 48.322 km | Mersereau, Robert | *Rocklin, CA | Overall: 51 | M: 29 | Cat M60: 4 |
| 2022 | 2 Events, 211 km (More) | ||||
| 28.12.2022-03.01.2023 | Across the Years, 48h (USA) | 48h | |||
| 161.874 km | Mersereau, Robert | *Rocklin, CA | Overall: 25 | M: 12 | Cat M60: 2 |
| 08.10.2022 | Ruth Anderson Ultra 50km (USA) | 50km | |||
| 7:48:34 h | Mersereau, Robert | Overall: 52 | M: 33 | Cat M60: 3 | |
| 2021 | 5 Events, 542.045 km (More) | ||||
| 28.12.2021-03.01.2022 | Across the Years, 48h (USA) | 48h | |||
| 161.874 km | Mersereau, Robert | *Rocklin, CA | Overall: 29 | M: 8 | Cat M60: 2 |
| 13.-14.11.2021 | Boundiful 24 Hours Endurance Run (USA) | 24h | |||
| 101.388 km | Mersereau, Robert | Overall: 9 | M: 4 | Cat M60: 1 | |
| 09.10.2021 | Ruth Anderson Ultra 50km (USA) | 50km | |||
| 7:16:53 h | Mersereau, Robert | Overall: 34 | M: 26 | Cat M60: 2 | |
| 18.-20.09.2021 | Ride To Walk 48 Hour Endurance Race (USA) | 48h | |||
| 100.036 km | Mersereau, Robert | *Rocklin, CA | Overall: 16 | M: 9 | Cat M60: 1 |
| 23.-25.04.2021 | Jackpot Ultra Running Festival 48 Hour Race (USA) | 48h | |||
| 128.747 km | Mersereau, Robert | *Rocklin, CA | Overall: 19 | M: 13 | Cat M60: 1 |
| 2020 | 2 Events, 210.934 km (More) | ||||
| 14.-16.02.2020 | Jackpot Ultra Running Festival 48 Hour Race (USA) | 48h | |||
| 160.934 km | Mersereau, Robert | *Rocklin, CA | Overall: 48 | M: 14 | Cat M60: 3 |
| 01.02.2020 | Jed Smith Ultra Classic - 50 Km Race (USA) | 50km | |||
| 6:23:04 h | Mersereau, Robert | *Rocklin, CA | Overall: 44 | M: 30 | Cat M60: 5 |
| 2019 | 5 Events, 614.211 km (More) | ||||
| 28.12.2019-03.01.2020 | Across the Years, 48h (USA) | 48h | |||
| 161.876 km | Mersereau, Robert | *Rocklin, CA | Overall: 43 | M: 17 | Cat M55: 4 |
| 12.10.2019 | Ruth Anderson Ultra 50mi (USA) | 50mi | |||
| 11:15:34 h | Mersereau, Robert | Overall: 21 | M: 10 | Cat M55: 2 | |
| 12.-13.04.2019 | Sisyphus Ultra Challenge 100 Mile (USA) | 100mi | |||
| 42:29:43 h | Mersereau, Robert | *Rocklin, CA | Overall: 5 | M: 4 | Cat M55: 1 |
| 15.-17.02.2019 | Jackpot Ultra Running Festival 48 Hour Race (USA) | 48h | |||
| 160.934 km | Mersereau, Robert | *Rocklin, CA | Overall: 39 | M: 17 | Cat M55: 2 |
| 02.02.2019 | Jed Smith Ultra Classic - 50 Km Race (USA) | 50km | |||
| 6:39:07 h | Mersereau, Robert | *Rocklin, CA | Overall: 40 | M: 27 | Cat M55: 4 |
| 2018 | 1 Event, 50 km (More) | ||||
| 22.04.2018 | Ruth Anderson Ultra 50km (USA) | 50km | |||
| 6:35:11 h | Mersereau, Robert | Overall: 14 | M: 9 | Cat M55: 2 | |
| 2017 | 3 Events, 363.288 km (More) | ||||
| 19.08.2017 | Run-de-Vous 100 km Endurance Run (USA) | 100km | |||
| 16:40:44 h | Mersereau, Robert | Overall: 8 | M: 8 | Cat M55: 4 | |
| 22.-23.04.2017 | Razorback 24 hour Endurance Race (USA) | 24h | |||
| 100.262 km | Mersereau, Robert | Overall: 6 | M: 6 | Cat M55: 1 | |
| 18.-20.03.2017 | Interstate Two Day Series - Davis 48 hours (USA) | 48h | |||
| 163.026 km | Mersereau, Robert | *Rocklin, CA | Overall: 6 | M: 4 | Cat M55: 1 |
| 2016 | 3 Events, 280.745 km (More) | ||||
| 21.08.2016 | Run-de-Vous 100 km Endurance Run (USA) | 100km | |||
| 18:28:29 h | Mersereau, Robert | *Rocklin, CA | Overall: 14 | M: 10 | Cat M55: 4 |
| 05.-06.03.2016 | Razorback 24 hour Endurance Race (USA) | 24h | |||
| 100.278 km | Mersereau, Robert | Overall: 6 | M: 5 | Cat M55: 2 | |
| 09.-10.01.2016 | Long Beach Enlightened Ultra 50 Mile (USA) | 50mi | |||
| 11:28:00 h | Mersereau, Robert | *Rocklin, CA | Overall: 14 | M: 9 | Cat M55: 2 |
| 2015 | 1 Event, 80.467 km (More) | ||||
| 10.-11.01.2015 | Long Beach Enlightened Ultra 50 Mile (USA) | 50mi | |||
| 9:25:00 h | Mersereau, Robert | Overall: 2 | M: 2 | Cat M50: 1 | |
| 2013 | 1 Event, 80.467 km (More) | ||||
| 06.04.2013 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 10:30:36 h | Mersereau, Robert | *Rocklin, CA | Overall: 415 | M: 303 | Cat M50: 30 |
| 2012 | 1 Event, 80.467 km (More) | ||||
| 13.10.2012 | Dick Collins Firetrails 50 Mile (USA) | 50mi | |||
| 11:50:44 h | Mersereau, Robert | *Rocklin, CA | Overall: 193 | M: 151 | Cat M50: 14 |
| 2011 | 1 Event, 80.467 km (More) | ||||
| 12.11.2011 | Last Chance 50 Mile (USA) | 50mi | |||
| 9:06:41 h | Mersereau, Robert | *Rocklin, CA | Overall: 43 | M: 38 | Cat M50: 4 |
| 2010 | 2 Events, 160.934 km (More) | ||||
| 06.11.2010 | Helen Klein Ultra Classic 50 Mile (USA) | 50mi | |||
| 8:47:23 h | Mersereau, Robert | *Rocklin, CA | Overall: 10 | M: 9 | Cat M50: 2 |
| 27.02.2010 | Pony Express 50 Mile Run (USA) | 50mi | |||
| 9:50:18 h | Mersereau, Robert | *Rocklin, CA | Overall: 12 | M: 8 | Cat M50: 1 |
| 2009 | 1 Event, 80.467 km (More) | ||||
| 28.02.2009 | Pony Express 50 Mile Run (USA) | 50mi | |||
| 9:54:46 h | Mersereau, Robert | *Rocklin, CA | Overall: 12 | M: 11 | Cat M45: 2 |
| 2007 | 1 Event, 80.467 km (More) | ||||
| 03.11.2007 | Helen Klein Ultra Classic 50mi (USA) | 50mi | |||
| 8:09:00 h | Mersereau, Robert | *Rocklin, CA | Overall: 19 | M: 17 | Cat M45: 1 |
| 2006 | 1 Event, 80.467 km (More) | ||||
| 04.11.2006 | Helen Klein Ultra Classic 50mi (USA) | 50mi | |||
| 9:07:11 h | Mersereau, Robert | *Rocklin, CA | Overall: 51 | M: 44 | Cat M45: 8 |
| 2005 | 1 Event, 80.467 km (More) | ||||
| 05.11.2005 | Helen Klein Ultra Classic 50mi (USA) | 50mi | |||
| 8:04:58 h | Mersereau, Robert | *Rocklin, CA | Overall: 21 | M: 17 | Cat M45: 3 |
Personal bests
Your list of personal best performances only contains performances of races which can be included into rankings.
In brackets rank in yearly international/national rankings.
| PB | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2013 | 2012 | 2011 | 2010 | 2009 | 2007 | 2006 | 2005 | |
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| 50km | 6:23:04 |
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7:48:34
(10241/607) |
7:16:53
(3452/346) |
6:23:04
(4632/315) |
6:39:07
(18233/700) |
6:35:11
(14863/648) |
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| 50mi | 8:04:58 |
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11:15:34
(675/410) |
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8:47:23
(125/106) |
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8:09:00
(71/65) |
9:07:11
(137/133) |
8:04:58
(55/52) |
| 100mi | 39:38:38 |
39:38:38
(970/387) |
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| 24h | 101.388 |
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101.388
(2013/345) |
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| 48h | 165.429 |
163.530
(543/104) |
165.429
(348/71) |
160.956
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161.874
(415/94) |
161.874
(310/93) |
160.934
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161.876
(208/75) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2013 | 2012 | 2011 | 2010 | 2009 | 2007 | 2006 | 2005 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jackpot Ultra Running Festival 48 Hour Race | 6 | 163.530 | 165.429 | 48.322 | 128.747 | 160.934 | 160.934 | |||||||||||||
| Helen Klein Ultra Classic 50mi | 4 | 8:47:23 | 8:09:00 | 9:07:11 | 8:04:58 | |||||||||||||||
| Across the Years, 48h | 4 | 160.956 | 160.956 | 161.874 | 161.876 | |||||||||||||||
| Ruth Anderson Ultra 50km | 3 | 7:48:34 | 7:16:53 | 6:35:11 | ||||||||||||||||
| Run-de-Vous 100 km Endurance Run | 2 | 16:40:44 | 18:28:29 | |||||||||||||||||
| Razorback 24 hour Endurance Race | 2 | 100.262 | 100.278 | |||||||||||||||||
| Long Beach Enlightened Ultra 50 Mile | 2 | 11:28:00 | 9:25:00 | |||||||||||||||||
| Beyond Limits Ultra Race 48 Hour | 2 | 128.747 | 54.717 | |||||||||||||||||
| Pony Express 50 Mile Run | 2 | 9:50:18 | 9:54:46 | |||||||||||||||||
| Jed Smith Ultra Classic - 50 Km Race | 2 | 6:23:04 | 6:39:07 |