The 2025 Stu's 30K Road Race has concluded.Share your finish

Stu's 30K Road Race

Race complete
Clinton, MA, USA · March 2, 2025
clear-day20°·25° high·Windy·Dry
9
Register

Stu's 30K Road Race race day weather

clear-day
20°at start
25° high
Windy
Dry
Your goal
0:00:00

Cold start, watch for headwinds

Runners will face a chilly start at 18°F, rising to 24°F by the finish. Wind speeds will peak at 18 mph with gusts up to 31 mph, posing headwinds in early miles and at segments 4, 10-17, and 18-19. The rolling course may feel tougher during headwind stretches, especially in the first four miles, so pacing adjustments and windproof gear are recommended.

clear-day9
clear-day9
clear-day9
clear-day9
clear-day9
clear-day9
clear-day9
clear-day9
clear-day9
clear-night9
clear-night9

Pace Calculator

18.6mi
0:00:00
HH:MM:SS
Pace
—

Enter a finish time to see what race day does to it.

Get forecast alerts for Stu's 30K Road Race

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Stu's 30K Road Race route and elevation

The Stu's 30K Road Race course has about 950 ft (290 m) of climbing and 970 ft (296 m) of descent, a net drop of about 20 ft (6 m). The hardest mile is mile 18, with 153 ft (47 m) of climbing and a 1.9% average grade.

Biggest climbs

  • Miles 1.2 to 2.6: climbs about 180 ft (55 m).
  • Miles 4.8 to 5.5: climbs about 110 ft (34 m).
  • Miles 7.9 to 9.5: climbs about 165 ft (50 m).

What the hills cost

  • 2:40 on a flat course is about 2:42 here (2 minutes slower).
  • 2:55 on a flat course is about 2:57 here (2 minutes slower).
  • 3:10 on a flat course is about 3:12 here (2 minutes 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 2:40, 2:55 or 3:10 finish
The Stu's 30K Road Race mile splits at even effort for three finish times, with each mile's climb and descent
MileClimbDescent2:402:553:10
19 ft16 ft8:279:1410:02
2107 ft10 ft9:2110:1511:07
382 ft58 ft8:429:3010:19
444 ft96 ft8:169:039:49
553 ft66 ft8:259:1210:00
676 ft14 ft9:029:5310:44
719 ft70 ft8:179:039:50
835 ft43 ft8:279:1510:02
955 ft14 ft8:509:4010:29
10112 ft45 ft9:059:5510:47
1148 ft50 ft8:289:1610:04
1230 ft96 ft8:138:599:45
1336 ft59 ft8:239:119:57
1434 ft38 ft8:289:1510:04
1575 ft73 ft8:299:1710:05
1634 ft77 ft8:199:059:51
1710 ft125 ft8:028:489:33
18153 ft55 ft9:2310:1511:08
Last 0.65 ft19 ft5:235:546:24

Explore the Stu's 30K Road Race course with the weather and your pace along the route, or compare it with other races.

About the Stu's 30K Road Race

For over 30 years, Stu’s 30K has been a classic tune-up run for the Boston Marathon.

Join us for the final running of Stu’s 30K in 2025 as we say goodbye to this classic race!
Source

Stu's 30K Road Race FAQ

When is the 2025 Stu's 30K Road Race?

The 2025 Stu's 30K Road Race will be held on Sunday March 2, 2025.

Is the Stu's 30K Road Race a Boston Marathon Qualifier?

No, the Stu's 30K Road Race is NOT a Boston Marathon qualifier.

What will the weather be like for the 2025 Stu's 30K Road Race?

The forecast calls for a high of 25°F and a low of 13°F with a 0% chance of rain.

What is the elevation gain of the Stu's 30K Road Race?

The Stu's 30K Road Race course has about 950 ft (290 m) of climbing and 970 ft (296 m) of descent, a net drop of about 20 ft (6 m).

Is the Stu's 30K Road Race hilly?

Yes. It has about 51 ft (16 m) of climbing per mile. The hardest mile is mile 18, with 153 ft (47 m) of climbing and a 1.9% average grade. 2:55 on a flat course is about 2:57 here (2 minutes slower).

What is the weather usually like for the Stu's 30K Road Race?

Over the 27 years racecast.io has race-day weather for (1995 to 2025), it averaged 35°F at the start and 38°F by a typical finish. Rain fell during race hours in 4 of those years (1996, 2009, 2011 and 2022).

What was the hottest Stu's 30K Road Race?

Of the 27 years on record, 2024 was the warmest, reaching 60°F during race hours. The coldest start was 2025, at 19°F.

What was the windiest Stu's 30K Road Race?

Of the 27 years on record, 1999 was the windiest, with wind averaging 22 mph during race hours. The calmest was 1997, at 3 mph.

Stu's 30K Road Race weather history

Based on 27 years of data
Avg Temp
36°F
L:35° H:38°
RunScore
9
Conditions
Rain Freq
15%
4 of 27 yrs
Wind12mph
Dew19°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
clear-day
19°/24°-
9
2024
partly-cloudy-day
54°/60°-
8
2023
cloudy
38°/41°-
9
2022
partly-cloudy-day
51°/59°Light
8
2021
clear-day
26°/30°-
9
2020
partly-cloudy-day
26°/31°-
9
2019
partly-cloudy-day
35°/39°-
10
2018
cloudy
42°/42°-
10
2017
clear-day
24°/29°-
9
2016
clear-day
36°/40°-
10
2015
cloudy
25°/26°-
10
2014
cloudy
34°/37°-
10
2013
cloudy
33°/37°-
10
2012
clear-day
36°/39°-
10
2011
cloudy
51°/52°Light
9
2010
clear-day
48°/53°-
9
2009
snow
21°/23°Light
10
2008
clear-day
31°/36°-
9
2007
partly-cloudy-day
35°/36°-
9
2005
clear-day
36°/37°-
9
2004
clear-day
39°/45°-
10
2001
cloudy
29°/30°-
9
1999
partly-cloudy-day
24°/26°-
8
1998
partly-cloudy-day
40°/42°-
9
1997
clear-day
24°/28°-
10
1996
cloudy
32°/35°Light
9
1995
partly-cloudy-day
46°/49°-
9