32 percent
of finishes in an average year had a sustained slowdown
Edition by edition, between 17% (2023) and 45% (2013).
The median finish ranged from 3:54 in 2023 to 4:12 in 2018 and 2019.
Fewer early drifters here: 8%, against 14% elsewhere.
- Metronome27%
- Gentle fader34%
- Late fader21%
- Early drifter8%
- Cliff3%
- Fast-start fader7%
Paced most like Rotterdam: Copenhagen, Chicago and Oslo.
Rotterdam’s 32%: near the middle of the other courses with three or more editions.
Of Rotterdam finishes on 4:00 pace through 20K, 14% made 4:00, about the same as elsewhere.
All numbers5 tables
| Finishes | 139,923 |
|---|---|
| Editions | 11 |
| Median finish, average edition | 4:02:46 |
| Sustained slowdown, average edition | 32.0% |
| Second 20K more than 10% slower | 45.0% |
| Median time given back after 20K | +11:17 |
| Climb, whole route | 180 ft |
| Year | Race date | Finishes | Median finish | Sustained slowdown | At the start | Dew point | Humidity | Wind | Start time |
|---|---|---|---|---|---|---|---|---|---|
| 2013 | Apr 14 | 8,281 | 4:06:53 | 45.1% | 56°F | 51°F | 84% | 12.0 mph | 10:00 |
| 2014 | Apr 13 | 10,601 | 3:59:30 | 25.5% | 50°F | 40°F | 70% | 12.0 mph | 10:00 |
| 2015 | Apr 12 | 11,756 | 3:58:47 | 27.2% | 48°F | 42°F | 80% | 9.2 mph | 10:00 |
| 2016 | Apr 10 | 12,740 | 4:01:20 | 30.5% | 47°F | 40°F | 78% | 5.1 mph | 10:00 |
| 2017 | Apr 9 | 12,693 | 4:08:21 | 39.5% | 51°F | 45°F | 78% | 4.4 mph | 10:00 |
| 2018 | Apr 8 | 13,790 | 4:12:43 | 45.0% | 57°F | 51°F | 82% | 3.1 mph | 10:00 |
| 2019 | Apr 7 | 14,269 | 4:12:03 | 42.4% | 55°F | 49°F | 82% | 6.8 mph | 10:00 |
| 2021 | Oct 24 | 10,632 | 3:58:49 | 24.0% | 44°F | 40°F | 85% | 6.9 mph | 10:00 |
| 2022 | Apr 10 | 11,613 | 3:58:18 | 28.4% | 45°F | 34°F | 65% | 7.0 mph | 10:00 |
| 2023 | Apr 16 | 16,543 | 3:54:26 | 16.7% | 47°F | 44°F | 90% | 11.7 mph | 10:00 |
| 2024 | Apr 14 | 17,005 | 3:59:19 | 27.7% | 53°F | 40°F | 62% | 7.9 mph | 10:00 |
| Section | Climb | Descent | Net | Pace vs. avg. |
|---|---|---|---|---|
| 0–5K | 6 ft | 21 ft | −16 ft | −4.7% |
| 5–10K | 4 ft | 15 ft | −20 ft | −5.6% |
| 10–15K | 19 ft | 5 ft | +12 ft | −4.7% |
| 15–20K | 4 ft | 14 ft | −7 ft | −3.8% |
| 20–25K | 17 ft | 10 ft | +18 ft | −1.4% |
| 25–30K | 50 ft | 60 ft | −10 ft | +0.4% |
| 30–35K | 8 ft | 23 ft | −15 ft | +5.0% |
| 35–40K | 27 ft | 4 ft | +15 ft | +10.2% |
| 40K–finish | 45 ft | 22 ft | +23 ft | +5.9% |
| Goal | Finishes | Made the goal | Sustained slowdown | Given back after 20K | Median finish | 10th–90th percentile |
|---|---|---|---|---|---|---|
| 3:00 | 5,569 | 20.9% | 25.9% | +7:18 | 3:06:30 | 2:58:37–3:19:57 |
| 3:30 | 12,470 | 14.2% | 30.8% | +9:31 | 3:39:01 | 3:29:05–3:55:54 |
| 4:00 | 17,969 | 14.1% | 36.3% | +12:52 | 4:12:09 | 3:58:58–4:34:05 |
| 4:30 | 8,983 | 9.3% | 36.9% | +16:40 | 4:45:56 | 4:30:21–5:07:17 |
| 5:00 | 2,278 | 9.1% | 33.0% | +21:39 | 5:19:18 | 5:00:34–5:36:22 |
| Pacing type | Rotterdam | Other courses |
|---|---|---|
| Metronome | 27% | 28% |
| Gentle fader | 34% | 30% |
| Late fader | 21% | 16% |
| Early drifter | 8% | 14% |
| Cliff | 3% | 4% |
| Fast-start fader | 7% | 8% |