We’ll update this as the weekend progresses. Last updated Monday, 4:30pm
The times for each Wave at the Halfway and Finish are based on the following finish times:
Wave 1: 3:00
Wave 2: 3:20
Wave 3: 3:50
Wave 4: 4:30
| Start in Hopkinton | Temp | Humidity | Wind | |
| Wave 1 (10:00am) | Sunny | 67F | 28% | 6mph from the NNE (Headwind) |
| Wave 2 (10:25am) | Sunny | 69F | 26% | 6mph from the NNE (Headwind) |
| Wave 3 (10:50am) | Sunny | 71F | 23% | 8mph from the NNE (Headwind) |
| Wave 4 (11:15am) | Sunny | 69F | 25% | 10mph from the NNE (Headwind) |
| Halfway | Temp | Humidity | Wind | |
| Wave 1 (11:30am) | Sunny | 68F | 22% | 7mph from the North (Crosswind) |
| Wave 2 (12:05pm) | Sunny | 70F | 22% | 9mph from the North (Crosswind) |
| Wave 3 (12:45pm) | Sunny | 70F | 23% | 8mph from the ENE (Headwind)) |
| Wave 4 (1:30pm) | Sunny | 70F | 23% | 5mph from the SSW (Tailwind) |
| Finish in Boston | Temp | Humidity | Wind | |
| Wave 1 (1:00pm) | Scattered Clouds | 57F | 42% | 17mph from the ENE (Headwind) |
| Wave 2 (1:45pm) | Mostly Cloudy | 53F | 55% | 14mph from the East (Headwind) |
| Wave 3 (2:40pm) | Mostly Cloudy | 52F | 57% | 10mph from the East (Headwind)) |
| Wave 4 (3:45pm) | Scattered Clouds | 52F | 57% | 12mph from the EnE (Headwind) |
