25 percent
of finishes in an average year had a sustained slowdown
Edition by edition, between 15% (2025) and 37% (2017).
The median finish ranged from 3:52 in 2021 to 4:04 in 2017.
Fewer early drifters here: 7%, against 14% elsewhere.
- Metronome34%
- Gentle fader33%
- Late fader17%
- Early drifter7%
- Cliff3%
- Fast-start fader6%
Paced most like Amsterdam: Frankfurt, Copenhagen and Eindhoven.
Amsterdam’s 25%: lower than 15 of 22 other courses with three or more editions.
Of Amsterdam finishes on 4:00 pace through 20K, 19% made 4:00, against 14% elsewhere.
All numbers5 tables
| Finishes | 152,214 |
|---|---|
| Editions | 12 |
| Median finish, average edition | 3:57:46 |
| Sustained slowdown, average edition | 25.3% |
| Second 20K more than 10% slower | 36.8% |
| Median time given back after 20K | +8:47 |
| Climb, whole route | 114 ft |
| Year | Race date | Finishes | Median finish | Sustained slowdown | At the start | Dew point | Humidity | Wind | Start time |
|---|---|---|---|---|---|---|---|---|---|
| 2012 | Oct 21 | 9,986 | 3:53:34 | 21.2% | 53°F | 51°F | 92% | 13.7 mph | 09:00 |
| 2013 | Oct 20 | 10,871 | 3:58:16 | 31.3% | 54°F | 53°F | 96% | 10.2 mph | 09:00 |
| 2014 | Oct 19 | 11,959 | 4:02:26 | 32.7% | 62°F | 58°F | 90% | 12.3 mph | 09:00 |
| 2015 | Oct 18 | 12,201 | 3:56:52 | 20.3% | 45°F | 44°F | 98% | 1.2 mph | 09:00 |
| 2016 | Oct 16 | 12,113 | 3:59:34 | 28.5% | 49°F | 46°F | 89% | 10.0 mph | 09:00 |
| 2017 | Oct 15 | 10,942 | 4:04:52 | 36.6% | 54°F | 53°F | 97% | 8.3 mph | 09:00 |
| 2018 | Oct 21 | 11,985 | 3:57:42 | 25.0% | 48°F | 46°F | 93% | 7.0 mph | 09:00 |
| 2019 | Oct 20 | 13,253 | 3:57:35 | 22.7% | 48°F | 48°F | 98% | 5.2 mph | 09:00 |
| 2021 | Oct 17 | 6,491 | 3:52:21 | 21.4% | 49°F | 40°F | 71% | 9.1 mph | 09:00 |
| 2022 | Oct 16 | 12,458 | 3:56:24 | 27.3% | 56°F | 52°F | 87% | 14.1 mph | 09:00 |
| 2024 | Oct 20 | 16,735 | 3:58:27 | 21.5% | 57°F | 55°F | 95% | 9.7 mph | 09:00 |
| 2025 | Oct 19 | 23,220 | 3:55:09 | 14.6% | 44°F | 40°F | 87% | 6.5 mph | 09:00 |
| Section | Climb | Descent | Net | Pace vs. avg. |
|---|---|---|---|---|
| 0–5K | 12 ft | 18 ft | −10 ft | −3.0% |
| 5–10K | 29 ft | 23 ft | +8 ft | −4.8% |
| 10–15K | 14 ft | 13 ft | +2 ft | −4.3% |
| 15–20K | 20 ft | 26 ft | −21 ft | −2.7% |
| 20–25K | 4 ft | 0 ft | +8 ft | −2.4% |
| 25–30K | 5 ft | 12 ft | −6 ft | +0.1% |
| 30–35K | 15 ft | 9 ft | +14 ft | +5.2% |
| 35–40K | 10 ft | 4 ft | −6 ft | +7.4% |
| 40K–finish | 4 ft | 0 ft | +3 ft | +5.6% |
| Goal | Finishes | Made the goal | Sustained slowdown | Given back after 20K | Median finish | 10th–90th percentile |
|---|---|---|---|---|---|---|
| 3:00 | 6,707 | 25.4% | 18.8% | +5:36 | 3:05:09 | 2:58:16–3:17:36 |
| 3:30 | 14,743 | 17.8% | 23.1% | +7:28 | 3:37:20 | 3:28:31–3:54:00 |
| 4:00 | 18,184 | 18.8% | 30.0% | +10:25 | 4:10:02 | 3:57:59–4:31:54 |
| 4:30 | 8,269 | 14.0% | 32.2% | +14:27 | 4:43:27 | 4:28:40–5:06:40 |
| 5:00 | 2,708 | 16.0% | 33.7% | +19:03 | 5:16:42 | 4:57:43–5:38:50 |
| Pacing type | Amsterdam | Other courses |
|---|---|---|
| Metronome | 34% | 28% |
| Gentle fader | 33% | 30% |
| Late fader | 17% | 16% |
| Early drifter | 7% | 14% |
| Cliff | 3% | 4% |
| Fast-start fader | 6% | 8% |