Firth, Mark
Great BritainManBorn 19701999 – 2026Runner id 391859
Events
26
15 race dates
Best pace
11.794
km/h · 1999
Best finish
1st
of 88 · 2023
Distance raced
2,794
km · splits not double-counted
Pace over time
20 of 26 results · km/h
Pace over time: 15 races and 5 splits from 1999 to 2024, ranging from 3.54 to 11.79 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
6 results are not on this chart. They are counted in every statistic above and listed in full below — backyard ultras carry a lap count instead of a pace, which is the number that means something in that format.
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 1999-03-06 | 46.6km | 3:57:04 h | 11.794 | 7/473 | |
| 2014-04-26 | Mt Solitary 45 km Ultra RaceAustralia | 45km | 6:33:02 h | 6.870 | 56/157 |
| 2014-05-17 | 100km | 14:58:41 h | 6.676 | 211/765 | |
| 2015-05-16 | The North Face 100 AustraliaAustralia | 100km | 17:05:39 h | 5.850 | 473/840 |
| 2018-09-08 | The Great North Walk 50 kmAustralia | 50km | 9:03:00 h | 5.525 | 77/95 |
| 2021-03-13 | Six Foot TrackAustralia | 45km | 5:42:30 h | 7.883 | 374/782 |
| 2021-04-02 | Backyard Blister (Backyard Ultra)Australia | 35h | 140.826 km | 21laps | 10/32 |
| 2021-05-15 | Ultra-Trail Australia 100 KmAustralia | 100km | 18:03:04 h | 5.540 | 677/1129 |
| 2021-11-20 | The Great North Walk 100 MileAustralia | 100mi | 25:05:16 h | 6.415 | 2/14 |
| 2021-12-11 | Narrabeen Allnighter 12 hours TrailAustralia | 12h | 110.762 km | 9.230 | 5/89 |
| 2022-04-15 | Backyard Blister (Backyard Ultra)Australia | 29h | 181.062 km | 27laps | 3/25 |
| 2022-06-03 | 48h | 264.515 km | 5.511 | 5/24 | |
| 2022-06-03 | Southern Sydney 24 Hour Ultra - 48h - 6h SplitAustraliaIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 6h | 48.400 km | 8.067 | 12/16 |
| 2022-06-03 | Southern Sydney 24 Hour Ultra - 48h - 12h SplitAustraliaIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 12h | 81.200 km | 6.767 | 11/19 |
| 2022-06-03 | Southern Sydney 24 Hour Ultra - 48h - 24h SplitAustraliaIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 24h | 109.200 km | 4.550 | 15/19 |
| 2022-06-03 | Southern Sydney 24 Hour Ultra - 48h - 100km SplitAustraliaIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 100km | 22:22:39 h | 4.469 | 16/20 |
| 2022-06-03 | Southern Sydney 24 Hour Ultra - 48h - 200km SplitAustraliaIAU BronzeSplit of a longer race in this career; not counted again in the distance total | 200km | 37:38:07 h | 5.314 | 10/13 |
| 2022-11-05 | Bondi to Manly UltraAustralia | 80km | 8:40:17 h | 9.226 | 39/398 |
| 2022-12-02 | Coast to Kosci UltramarathonAustralia | 240km | 38:24:47 h | 6.248 | 25/39 |
| 2023-02-08 | Delirious W.E.S.T. 200 MilerAustralia | 350km | 4d 02:43:58 h | 3.545 | 32/44 |
| 2023-08-05 | Red's Backyard UltraAustralia | 35h | 134.120 km | 20laps | 12/54 |
| 2023-09-01 | 170km | 44:04:55 h | 3.856 | 1345/1757 | |
| 2023-09-30 | Bricks Backyard UltraAustralia | 28h | 187.768 km | 28laps | 1/88 |
| 2024-05-18 | 100km | 18:39:34 h | 5.359 | 815/1318 | |
| 2025-04-12 | Sydney's Backyard UltraAustralia | 81h | 127.414 km | 19laps | 52/396 |
| 2026-04-18 | Sydney's Backyard UltraAustralia | 75h | 60.354 km | 9laps | 522/590 |