3 Bridges Marathon
3 Bridges Marathon race day weather
Cool conditions, steady pace advised
Runners will face a cool start at 40°F, gradually warming to 49°F by the finish. With light winds from the north at 7 mph, they should not heavily influence strategy. Humidity is moderate at 65%, so maintaining a steady pace is essential, particularly in the late laps as temperatures rise. Adjustments to hydration frequency may be necessary to stay comfortable throughout.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for 3 Bridges Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
3 Bridges Marathon route and elevation
The 3 Bridges Marathon course has about 431 ft (131 m) of climbing and 425 ft (130 m) of descent, and finishes near the elevation it starts. It is flatter than 76% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 18, with 77 ft (23 m) of climbing and a 1.2% average grade.
Biggest climbs
- Miles 1.2 to 1.6: climbs about 60 ft (18 m).
- Miles 7 to 9.5: climbs about 55 ft (17 m).
- Miles 17.3 to 17.7: climbs about 80 ft (24 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 | 4 ft | 9 ft | 7:57 | 9:06 | 10:14 |
| 2 | 59 ft | 74 ft | 7:56 | 9:03 | 10:11 |
| 3 | 15 ft | 18 ft | 7:58 | 9:07 | 10:15 |
| 4 | 7 ft | 8 ft | 7:59 | 9:07 | 10:16 |
| 5 | 40 ft | 26 ft | 8:06 | 9:15 | 10:25 |
| 6 | 23 ft | 25 ft | 7:59 | 9:07 | 10:15 |
| 7 | 16 ft | 19 ft | 7:58 | 9:07 | 10:15 |
| 8 | 18 ft | 15 ft | 8:00 | 9:09 | 10:18 |
| 9 | 6 ft | 7 ft | 7:59 | 9:07 | 10:16 |
| 10 | 69 ft | 49 ft | 8:09 | 9:19 | 10:28 |
| 11 | 5 ft | 25 ft | 7:55 | 9:02 | 10:10 |
| 12 | 16 ft | 9 ft | 8:03 | 9:12 | 10:21 |
| 13 | 16 ft | 24 ft | 7:57 | 9:05 | 10:13 |
| 14 | 14 ft | 23 ft | 7:57 | 9:06 | 10:14 |
| 15 | 36 ft | 38 ft | 7:58 | 9:07 | 10:15 |
| 16 | 10 ft | 10 ft | 7:59 | 9:07 | 10:16 |
| 17 | 17 ft | 14 ft | 8:01 | 9:10 | 10:18 |
| 18 | 77 ft | 15 ft | 8:30 | 9:43 | 10:56 |
| 19 | 6 ft | 48 ft | 7:50 | 8:56 | 10:04 |
| 20 | 33 ft | 38 ft | 7:57 | 9:06 | 10:14 |
| 21 | 2 ft | 9 ft | 7:58 | 9:05 | 10:13 |
| 22 | 9 ft | 7 ft | 8:00 | 9:09 | 10:18 |
| 23 | 2 ft | 6 ft | 7:58 | 9:06 | 10:14 |
| 24 | 8 ft | 5 ft | 8:00 | 9:10 | 10:18 |
| 25 | 7 ft | 8 ft | 7:59 | 9:07 | 10:16 |
| 26 | 35 ft | 6 ft | 8:14 | 9:24 | 10:34 |
| Last 0.2 | 8 ft | 23 ft | 1:43 | 1:58 | 2:13 |
Explore the 3 Bridges Marathon course with the weather and your pace along the route, or compare it with other races.
About the 3 Bridges Marathon
The 3 Bridges Marathon is run on the Arkansas River Trail in Little Rock, Arkansas, starting and finishing at River Mountain Park beside the Two Rivers Bridge. The course is a 19-mile loop east followed by a 7-mile loop west, crossing the Big Dam Bridge, the Clinton Presidential Bridge and the Two Rivers Bridge, and is mostly flat paved trail apart from the bridges. It is USATF certified and a Boston qualifier, and is held on a Saturday in December with a 7:00 AM start and an optional 5:00 AM early start for runners expecting six to eight hours.