Maratona Internacional de Porto Alegre
Maratona Internacional de Porto Alegre race day weather
Mild temps, slight wind effect
Runners will face a mild temperature range of 55°F at the start, rising to 58°F by finish time. With an average humidity of 83%, it’s advisable to start conservatively to manage the heat. Wind will be light at 8 mph from the WNW, adding a minor challenge but not significantly impacting pacing. Overall, the flat course combined with these conditions should allow for steady performance.
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Maratona Internacional de Porto Alegre route and elevation
The Maratona Internacional de Porto Alegre course has about 212 ft (65 m) of climbing and 190 ft (58 m) of descent, a net rise of about 22 ft (7 m). It is flatter than 70% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 7, with 60 ft (18 m) of climbing.
Biggest climbs
- Miles 8 to 10.4: climbs about 55 ft (17 m).
What the hills cost
- 3:30 on a flat course is about 3:30:25 here (25 seconds slower).
- 4:00 on a flat course is about 4:00:30 here (30 seconds slower).
- 4:30 on a flat course is about 4:30:30 here (30 seconds 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 | 15 ft | 8:01 | 9:10 | 10:19 |
| 2 | 18 ft | 25 ft | 7:58 | 9:06 | 10:14 |
| 3 | 18 ft | 10 ft | 8:03 | 9:12 | 10:22 |
| 4 | 19 ft | 21 ft | 7:59 | 9:08 | 10:15 |
| 5 | 22 ft | 23 ft | 8:00 | 9:08 | 10:17 |
| 6 | 26 ft | 31 ft | 7:58 | 9:06 | 10:15 |
| 7 | 60 ft | 61 ft | 8:00 | 9:08 | 10:16 |
| 8 | 24 ft | 24 ft | 7:59 | 9:08 | 10:17 |
| 9 | 24 ft | 7 ft | 8:08 | 9:18 | 10:27 |
| 10 | 33 ft | 19 ft | 8:06 | 9:16 | 10:25 |
| 11 | 23 ft | 32 ft | 7:58 | 9:05 | 10:14 |
| 12 | 31 ft | 35 ft | 7:58 | 9:07 | 10:15 |
| 13 | 21 ft | 19 ft | 8:00 | 9:09 | 10:18 |
| 14 | 12 ft | 23 ft | 7:57 | 9:05 | 10:13 |
| 15 | 21 ft | 18 ft | 8:01 | 9:10 | 10:18 |
| 16 | 18 ft | 15 ft | 8:01 | 9:10 | 10:19 |
| 17 | 19 ft | 31 ft | 7:57 | 9:04 | 10:13 |
| 18 | 30 ft | 18 ft | 8:05 | 9:15 | 10:23 |
| 19 | 12 ft | 17 ft | 7:58 | 9:06 | 10:15 |
| 20 | 17 ft | 20 ft | 7:59 | 9:08 | 10:16 |
| 21 | 21 ft | 21 ft | 8:00 | 9:08 | 10:16 |
| 22 | 30 ft | 8 ft | 8:10 | 9:20 | 10:31 |
| 23 | 11 ft | 14 ft | 7:59 | 9:07 | 10:16 |
| 24 | 8 ft | 7 ft | 8:00 | 9:09 | 10:17 |
| 25 | 10 ft | 11 ft | 7:59 | 9:07 | 10:16 |
| 26 | 15 ft | 14 ft | 8:00 | 9:09 | 10:17 |
| Last 0.2 | 3 ft | 2 ft | 1:46 | 2:01 | 2:16 |
Explore the Maratona Internacional de Porto Alegre course with the weather and your pace along the route, or compare it with other races.
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About the Maratona Internacional de Porto Alegre
The Maratona Internacional de Porto Alegre is Brazil's oldest marathon, first held in 1983. The 42.195-kilometer course runs along the Guaíba River waterfront and through the historic city center, passing landmarks including the Mercado Público. A 2026 route redesign made it the flattest marathon in Brazil, with about 14 meters of total elevation gain.
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