Zakrzewski, Joanna (Joasia)
Great BritainWomanBorn 19762010 – 2026Runner id 119717
Events
92
64 race dates
Best pace
14.520
km/h · 2011
Best finish
1st
of 629 · 2016
Distance raced
8,120
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 70 races and 22 splits from 2010 to 2026, ranging from 4.04 to 14.95 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
- Split of a race already plotted
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 2010-03-07 | Atacama CrossingChile | 250km | 33:37:30 h | 7.435 | 7/122 |
| 2010-08-07 | Devil o' the Highlands 43 Mile FootraceGreat Britain | 43mi | 6:51:30 h | 10.090 | 9/94 |
| 2011-05-29 | 87km | 7:14:07 h | 12.024 | 263/11080 | |
| 2011-07-30 | 79.1km | 7:36:50 h | 10.389 | 27/1219 | |
| 2011-08-20 | 50km | 3:26:37 h | 14.520 | 22/101 | |
| 2011-09-10 | 100km | 7:41:06 h | 13.012 | 40/196 | |
| 2011-09-10 | RUN Winschoten 100 km - 50km SplitNetherlandsIAU BronzeSplit of the race above; not counted again in the distance total*Dumfries | 50km | 3:42:39 h | 13.474 | 40/196 |
| 2011-09-10 | 100km | 7:41:06 h | 13.012 | 39/146 | |
| 2011-09-10 | 100km | 7:41:06 h | 13.012 | 29/106 | |
| 2012-06-03 | 89km | 6:33:41 h | 13.564 | 104/11896 | |
| 2012-07-28 | 79.4km | 7:21:30 h | 10.790 | 26/1061 | |
| 2012-10-20 | 50km | 3:47:51 h | 13.167 | 20/40 | |
| 2013-06-02 | 87km | 6:53:29 h | 12.624 | 98/10186 | |
| 2013-07-06 | 75km | 7:01:01 h | 10.688 | 37/99 | |
| 2014-01-01 | Hardmoors 30Great Britain | 30mi | 4:07:00 h | 11.728 | 2/85 |
| 2014-04-26 | 53mi | 8:30:29 h | 10.025 | 12/566 | |
| 2014-05-04 | Wings for Life World RunSilverstone (GBR) | 6h | 45.390 km | 7.565 | 145/155 |
| 2014-10-31 | 50km | 3:33:23 h | 14.059 | 13/32 | |
| 2014-11-21 | 100km | 7:42:02 h | 12.986 | 41/136 | |
| 2014-11-21 | 100km | 7:42:02 h | 12.986 | 9/40 | |
| 2014-11-21 | 100km | 7:42:02 h | 12.986 | 41/143 | |
| 2015-05-03 | Wings for Life World RunCape Town (RSA) | 6h | 51.110 km | 8.518 | 158/337 |
| 2015-05-31 | 87km | 7:00:45 h | 12.406 | 144/13008 | |
| 2015-06-22 | Dragon's Back RaceGreat Britain | 292km | 2d 04:35:56 h | 5.551 | 12/65 |
| 2015-09-12 | 100km | 7:31:33 h | 13.288 | 60/273 | |
| 2015-09-12 | 100km | 7:31:33 h | 13.288 | 57/161 | |
| 2015-09-12 | 100km | 7:31:33 h | 13.288 | 43/113 | |
| 2015-09-12 | RUN Winschoten 100 km - 50km SplitNetherlandsIAU BronzeSplit of the race above; not counted again in the distance totalNational Team United K... | 50km | 3:38:40 h | 13.720 | 70/273 |
| 2016-01-01 | Hardmoors 30Great Britain | 30mi | 4:02:37 h | 11.940 | 5/215 |
| 2016-05-08 | Wings for Life World RunCambridge (GBR) | 6h | 50.710 km | 8.452 | 154/347 |
| 2016-05-21 | 37mi | 8:10:04 h | 7.290 | 19/186 | |
| 2016-06-04 | 50mi | 10:38:27 h | 7.562 | 1/10 | |
| 2016-06-25 | Race to the King Ultra MarathonGreat Britain | 53.5mi | 7:57:22 h | 10.822 | 1/629 |
| 2016-10-29 | 85km | 11:46:51 h | 7.215 | 118/203 | |
| 2016-11-27 | 100km | 7:41:38 h | 12.997 | 60/137 | |
| 2016-11-27 | 100km | 7:41:48 h | 12.993 | 25/123 | |
| 2017-05-07 | Wings for Life World Run*Poznan (POL) | 6h | 52.260 km | 8.710 | 155/452 |
| 2017-06-10 | 50km | 6:31:07 h | 7.670 | 190/239 | |
| 2017-08-19 | Ultravasan45Sweden | 45km | 3:06:12 h | 14.501 | 10/558 |
| 2017-09-30 | 100km | 8:50:25 h | 11.312 | 14/44 | |
| 2018-11-29 | Oman by UTMBOman | 137km | 33:56:57 h | 4.035 | 33/142 |
| 2019-04-13 | Ultra Tour of ArranGreat Britain | 92km | 11:51:00 h | 7.764 | 6/283 |
| 2019-04-28 | Sahara Race NamibiaNamibia | 250km | 28:10:44 h | 8.872 | 5/99 |
| 2019-07-27 | 84.9km | 11:28:03 h | 7.404 | 29/382 | |
| 2019-11-09 | TransNT 57 Km RunHong Kong | 52km | 7:13:50 h | 7.192 | 9/204 |
| 2020-01-04 | Narrabeen Allnighter 12 hours TrailAustralia | 12h | 129.222 km | 10.769 | 2/75 |
| 2020-02-02 | Falkirk 8 Hour Ultra Trail RaceGreat Britain | 8h | 92.332 km | 11.542 | 2/150 |
| 2020-02-16 | Run to Infinity & BeyondGreat Britain | 7h | 68.558 km | 9.794 | 1/23 |
| 2020-07-25 | Australian 24 Hour Track Invitational - 12h SplitAustraliaIAU BronzeSplit of the race above; not counted again in the distance total | 12h | 133.468 km | 11.122 | 2/7 |
| 2020-07-25 | 24h | 236.561 km | 9.857 | 2/7 | |
| 2020-07-25 | Australian 24 Hour Track Invitational - 100mi SplitAustraliaIAU BronzeSplit of the race above; not counted again in the distance total | 100mi | 14:47:39 h | 10.878 | 2/4 |
| 2020-12-04 | Coast to Kosci UltramarathonAustralia | 240km | 28:18:53 h | 8.476 | 3/21 |
| 2021-02-06 | Cradle Mountain RunAustralia | 82km | 11:43:00 h | 6.999 | 25/55 |
| 2021-02-21 | 50km | 4:35:13 h | 10.901 | 8/187 | |
| 2021-03-13 | Six Foot TrackAustralia | 45km | 4:20:58 h | 10.346 | 47/782 |
| 2021-05-15 | Ultra-Trail Australia 50 kmAustralia | 50km | 5:42:58 h | 8.747 | 47/1830 |
| 2021-08-14 | 215mi | 2d 14:20:00 h | 5.551 | 2/22 | |
| 2022-04-23 | Centurion Track 100 - 50mi SplitGreat BritainIAU SilverSplit of the race above; not counted again in the distance total*Durham | 50mi | 6:55:31 h | 11.619 | 10/11 |
| 2022-04-23 | Centurion Track 100 - 50km SplitGreat BritainIAU SilverSplit of the race above; not counted again in the distance total*Durham | 50km | 4:04:16 h | 12.282 | 10/13 |
| 2022-04-23 | Centurion Track 100 - 6h SplitGreat BritainIAU SilverSplit of the race above; not counted again in the distance total*Durham | 6h | 71.148 km | 11.858 | 11/13 |
| 2022-07-02 | 24h | 198.800 km | 8.283 | 3/22 | |
| 2022-09-17 | 24h | 247.984 km | 10.333 | 32/211 | |
| 2022-09-17 | Lupatotissima - 24 ore, 23rd IAU 24H EC - 100km splitItalyIAU SilverSplit of the race above; not counted again in the distance total | 100km | 8:46:07 h | 11.404 | 42/200 |
| 2022-09-17 | Lupatotissima - 24 ore, 23rd IAU 24H EC - 100mi splitItalyIAU SilverSplit of the race above; not counted again in the distance total | 100mi | 14:54:56 h | 10.790 | 43/159 |
| 2022-09-17 | Lupatotissima - 24 ore, 23rd IAU 24H EC - 12h splitItalyIAU SilverSplit of the race above; not counted again in the distance total | 12h | 132.816 km | 11.068 | 41/210 |
| 2023-01-15 | Two Bays 56 km Trail RunAustralia | 56km | 5:20:08 h | 10.496 | 31/246 |
| 2023-02-10 | 48h | 411.458 km | 8.572 | 1/68 | |
| 2023-02-11 | Taipei 48hr Ultra Marathon - 12h SplitChinese TaipeiSplit of the race above; not counted again in the distance total | 12h | 126.896 km | 10.575 | 3/66 |
| 2023-02-11 | Taipei 48hr Ultra Marathon - 24h SplitChinese TaipeiSplit of the race above; not counted again in the distance total | 24h | 235.575 km | 9.816 | 1/68 |
| 2023-02-11 | Taipei 48hr Ultra Marathon - 100mi SplitChinese TaipeiSplit of the race above; not counted again in the distance total | 100mi | 16:04:17 h | 10.014 | 3/59 |
| 2023-09-17 | Surf Coast Century 100 kmAustralia | 100km | 10:07:25 h | 9.878 | 10/262 |
| 2023-11-18 | Stromlo Lightning Strike 50kmAustralia | 50km | 4:16:40 h | 11.688 | 6/185 |
| 2023-12-08 | 161km | 24:57:08 h | 6.452 | 24/160 | |
| 2024-08-31 | Southern Sydney 24 Hour Ultra - 24hAustralia | 24h | 207.699 km | 8.654 | 3/35 |
| 2024-08-31 | Southern Sydney 24 Hour Ultra - 24h - 200k SplitAustraliaSplit of the race above; not counted again in the distance total | 200km | 22:52:30 h | 8.743 | 3/4 |
| 2024-08-31 | Southern Sydney 24 Hour Ultra - 24h - 12h SplitAustraliaSplit of the race above; not counted again in the distance total | 12h | 120.800 km | 10.067 | 2/34 |
| 2024-08-31 | Southern Sydney 24 Hour Ultra - 24h - 100mi SplitAustraliaSplit of the race above; not counted again in the distance total | 100mi | 17:15:16 h | 9.327 | 3/11 |
| 2024-11-09 | 24h | 233.242 km | 9.718 | 1/15 | |
| 2024-11-09 | SA Track Ultra 24h - 50km SplitAustraliaIAU BronzeSplit of the race above; not counted again in the distance total | 50km | 4:30:32 h | 11.089 | 2/2 |
| 2024-11-09 | SA Track Ultra 24h - 100km SplitAustraliaIAU BronzeSplit of the race above; not counted again in the distance total | 100km | 9:06:42 h | 10.975 | 1/1 |
| 2024-11-09 | SA Track Ultra 24h - 200km SplitAustraliaIAU BronzeSplit of the race above; not counted again in the distance total | 200km | 19:49:04 h | 10.092 | 1/1 |
| 2025-04-18 | Belfast 2 Dublin UltraGreat Britain | 173km | 17:15:21 h | 10.026 | 2/15 |
| 2025-06-28 | Ultra Trail Jervis Bay - 106kmAustralia | 106km | 10:59:45 h | 9.640 | 5/86 |
| 2025-09-19 | Pilliga Ultra - Grand SlamAustralia | 80km | 9:48:42 h | 8.154 | 5/15 |
| 2025-09-20 | Pilliga UltraAustralia | 50km | 6:25:33 h | 7.781 | 14/58 |
| 2025-10-18 | 24h | 222.529 km | 9.272 | 41/140 | |
| 2025-10-18 | 24h | 222.529 km | 9.272 | 97/363 | |
| 2026-02-14 | Tarawera 100 km UltramarathonNew Zealand | 103km | 12:38:05 h | 8.152 | 91/777 |
| 2026-07-04 | 24h | 209.400 km | 8.725 | 3/49 | |
| 2026-07-04 | Southern Sydney Track Ultra - 24h - 200km SplitAustraliaIAU BronzeSplit of the race above; not counted again in the distance total | 200km | 22:39:31 h | 8.827 | 2/5 |
| 2026-07-04 | Southern Sydney Track Ultra - 24h - 12h SplitAustraliaIAU BronzeSplit of the race above; not counted again in the distance total | 12h | 118.000 km | 9.833 | 2/48 |
| 2026-07-04 | Southern Sydney Track Ultra - 24h - 6h SplitAustraliaIAU BronzeSplit of the race above; not counted again in the distance total | 6h | 64.800 km | 10.800 | 1/34 |