Humboldt Redwoods Marathon
Humboldt Redwoods Marathon race day weather
Cool start, warming up later
Runners will face temperatures starting at 56°F and climbing to 68°F, with humidity at 55% and a dew point of 49°F. The light wind will have minimal impact on performance. As temperatures rise during the later laps, runners should consider adjusting their pace and hydration strategies to stay comfortable and maintain performance.
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Humboldt Redwoods Marathon route and elevation
The Humboldt Redwoods Marathon course has about 1,794 ft (547 m) of climbing and 1,806 ft (550 m) of descent, a net drop of about 12 ft (4 m). It is hillier than 57% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 14, with 155 ft (47 m) of climbing.
Biggest climbs
- Miles 1.4 to 1.8: climbs about 80 ft (25 m).
- Miles 3.3 to 3.5: climbs about 95 ft (29 m).
- Miles 16.4 to 16.7: climbs about 95 ft (29 m).
What the hills cost
- 3:30 on a flat course is about 3:31 here (1 minute slower).
- 4:00 on a flat course is about 4:01 here (1 minute slower).
- 4:30 on a flat course is about 4:31 here (1 minute slower).
Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.
Even-effort splits for a 3:30, 4:00 or 4:30 finish
| Mile | Climb | Descent | 3:30 | 4:00 | 4:30 |
|---|---|---|---|---|---|
| 1 | 87 ft | 101 ft | 7:54 | 9:02 | 10:09 |
| 2 | 88 ft | 63 ft | 8:10 | 9:20 | 10:31 |
| 3 | 105 ft | 132 ft | 7:52 | 8:59 | 10:06 |
| 4 | 118 ft | 106 ft | 8:04 | 9:13 | 10:22 |
| 5 | 59 ft | 35 ft | 8:09 | 9:20 | 10:30 |
| 6 | 39 ft | 44 ft | 7:57 | 9:05 | 10:13 |
| 7 | 32 ft | 42 ft | 7:56 | 9:03 | 10:11 |
| 8 | 33 ft | 36 ft | 7:56 | 9:05 | 10:13 |
| 9 | 57 ft | 55 ft | 7:59 | 9:07 | 10:16 |
| 10 | 98 ft | 120 ft | 7:53 | 9:01 | 10:08 |
| 11 | 113 ft | 78 ft | 8:16 | 9:26 | 10:37 |
| 12 | 85 ft | 111 ft | 7:51 | 8:59 | 10:06 |
| 13 | 33 ft | 80 ft | 7:47 | 8:54 | 10:01 |
| 14 | 155 ft | 105 ft | 8:23 | 9:34 | 10:47 |
| 15 | 87 ft | 50 ft | 8:17 | 9:28 | 10:38 |
| 16 | 106 ft | 134 ft | 7:51 | 8:58 | 10:06 |
| 17 | 112 ft | 124 ft | 7:55 | 9:03 | 10:11 |
| 18 | 63 ft | 27 ft | 8:16 | 9:27 | 10:37 |
| 19 | 40 ft | 50 ft | 7:56 | 9:04 | 10:12 |
| 20 | 30 ft | 43 ft | 7:55 | 9:03 | 10:10 |
| 21 | 33 ft | 32 ft | 7:58 | 9:06 | 10:15 |
| 22 | 55 ft | 60 ft | 7:56 | 9:05 | 10:13 |
| 23 | 95 ft | 121 ft | 7:52 | 8:59 | 10:06 |
| 24 | 116 ft | 71 ft | 8:21 | 9:32 | 10:44 |
| 25 | 86 ft | 117 ft | 7:50 | 8:57 | 10:05 |
| 26 | 37 ft | 34 ft | 7:59 | 9:08 | 10:16 |
| Last 0.2 | 56 ft | 56 ft | 1:47 | 2:02 | 2:17 |
Explore the Humboldt Redwoods Marathon course with the weather and your pace along the route, or compare it with other races.
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About the Humboldt Redwoods Marathon
The Humboldt Redwoods Marathon runs through old-growth redwood forest in Humboldt Redwoods State Park, along the Avenue of the Giants near Weott, California. The course is USATF-certified and a Boston Marathon qualifier. The marathon and half marathon both start and finish near the Dyerville Bridge and run as out-and-back routes on paved roads, with some rolling grades. GPS watches can lose signal under the tree canopy. Source
