Avenue of the Giants Marathon
Avenue of the Giants Marathon race day weather
Cool start, warming up later
Runners will face a temperature rise from 55°F at the start to 65°F by the finish, with a light NW wind around 8 mph. Humidity levels will be moderate at 58%, making it crucial for runners to hydrate early and adjust pacing as temperatures climb. With a gently rolling course, maintaining a conservative effort in the opening laps will help manage the heat in the latter stages.
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Avenue of the Giants Marathon route and elevation
The Avenue of the Giants Marathon course has about 634 ft (193 m) of climbing and 625 ft (190 m) of descent, and finishes near the elevation it starts. It is hillier than 55% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 2, with 93 ft (28 m) of climbing and a 1.2% average grade.
Biggest climbs
- Miles 1 to 1.2: climbs about 60 ft (18 m).
- Miles 3.1 to 6.6: climbs about 160 ft (48 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 | 20 ft | 36 ft | 7:54 | 9:02 | 10:10 |
| 2 | 93 ft | 28 ft | 8:31 | 9:44 | 10:57 |
| 3 | 24 ft | 53 ft | 7:51 | 8:58 | 10:06 |
| 4 | 70 ft | 20 ft | 8:24 | 9:36 | 10:47 |
| 5 | 59 ft | 18 ft | 8:18 | 9:29 | 10:41 |
| 6 | 33 ft | 0 ft | 8:15 | 9:26 | 10:36 |
| 7 | 38 ft | 24 ft | 8:04 | 9:14 | 10:23 |
| 8 | 0 ft | 42 ft | 7:49 | 8:55 | 10:02 |
| 9 | 10 ft | 46 ft | 7:49 | 8:57 | 10:04 |
| 10 | 28 ft | 67 ft | 7:49 | 8:56 | 10:03 |
| 11 | 39 ft | 42 ft | 7:58 | 9:05 | 10:14 |
| 12 | 48 ft | 67 ft | 7:54 | 9:02 | 10:09 |
| 13 | 26 ft | 53 ft | 7:51 | 8:59 | 10:06 |
| 14 | 52 ft | 44 ft | 8:02 | 9:11 | 10:20 |
| 15 | 23 ft | 21 ft | 8:00 | 9:07 | 10:16 |
| 16 | 32 ft | 20 ft | 8:04 | 9:14 | 10:22 |
| 17 | 15 ft | 14 ft | 7:58 | 9:07 | 10:16 |
| 18 | 13 ft | 13 ft | 7:58 | 9:06 | 10:15 |
| 19 | 23 ft | 20 ft | 8:00 | 9:08 | 10:16 |
| 20 | 10 ft | 11 ft | 7:58 | 9:07 | 10:15 |
| 21 | 15 ft | 13 ft | 7:59 | 9:07 | 10:16 |
| 22 | 17 ft | 23 ft | 7:57 | 9:05 | 10:13 |
| 23 | 7 ft | 14 ft | 7:57 | 9:05 | 10:13 |
| 24 | 21 ft | 25 ft | 7:57 | 9:05 | 10:13 |
| 25 | 21 ft | 19 ft | 7:59 | 9:08 | 10:17 |
| 26 | 41 ft | 46 ft | 7:57 | 9:05 | 10:13 |
| Last 0.2 | 10 ft | 6 ft | 1:47 | 2:02 | 2:17 |
Explore the Avenue of the Giants Marathon course with the weather and your pace along the route, or compare it with other races.
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About the Avenue of the Giants Marathon
The Avenue of the Giants Marathon is held annually in May along the Avenue of the Giants in Humboldt Redwoods State Park in Humboldt County, California, United States.
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The course, consisting of two out-and-back legs, is almost entirely under the canopy of redwood trees. Half marathon and 10K races are run concurrently. The event, one of four larger annual races organized by the Six Rivers Running Club, was first run in 1972. In 2011, more than 2300 runners participated.