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BOSTON MARATHON 2025

Nicholas Carroll

MA

Bib: 31978 M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:13/mi
31:43
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:54/mi
1:05:35
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:22/mi
1:37:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:19/mi
2:09:51
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:51/mi
2:16:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:39/mi
2:42:24
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:12/mi
3:14:05
↑ 181↓ 1480.2%
138 ft elev
20M
10:38/mi
3:28:32
↑ 64↓ 500.2%
148 ft elev
21M
10:57/mi
3:39:29
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:31/mi
3:46:36
↑ 17↓ 861.7%
156 ft elev
23M
10:44/mi
4:00:02
↑ 23↓ 630.6%
116 ft elev
24M
10:14/mi
4:10:16
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:32/mi
4:19:16
↓ 200.3%
20 ft elev
25.2M
12:37/mi
4:23:37
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:04/mi
4:33:52
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:16:3410:25 /mi⚖️ balanced
2nd Half
2:17:1810:28 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
31:4310:133.11 mi31:43
10:13
-
10K
1:05:3510:333.10 mi33:52
10:54
+0:41
15K
1:37:4810:303.11 mi32:13
10:22
-0:32
20K
2:09:5110:273.11 mi32:03
10:19
-0:03
Half(13.11 mi)
2:16:3410:250.68 mi6:43
9:51
-0:28
25K
2:42:2410:272.42 mi25:50
10:39
+0:48
30K
3:14:0510:253.11 mi31:41
10:12
-0:27
20M
3:28:3210:261.36 mi14:27
10:38
+0:26
21M
3:39:2910:271.00 mi10:57
10:57
+0:19
35K
3:46:3610:250.75 mi7:07
9:31
-1:26
23M
4:00:0210:261.25 mi13:26
10:44
+1:13
24M
4:10:1610:261.00 mi10:14
10:14
-0:30
40K
4:19:1610:260.85 mi9:00
10:32
+0:18
25.2M
4:23:3710:280.35 mi4:21
12:37
+2:05
Finish(26.22 mi)
4:33:5210:271.02 mi10:15
10:04
-2:33
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:31 /mi

Average Pace

10:27 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

13:50

5% of race

Time at Steady Pace

3:17:26

72% of race

Time at Slower Pace

1:02:36

23% of race

Average Pace: 10:27 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi260741520615206257111501915019
10K3.10 mi26591-51715423-21715423-217269251553515535
15K3.11 mi26268+32315273+15015273+150257111501915019
20K3.11 mi25886+38215095+17815095+178248551460914609
Half(13.11 mi)0.68 mi25834+5215075+2015075+20244771442814428
25K2.42 mi25628+20614977+9814977+98246381448014480
30K3.11 mi25070+55814687+29014687+290221781325713257
20M1.36 mi24930+14014607+8014607+80227781342413424
21M1.00 mi24770+16014532+7514532+75212571262212622
35K0.75 mi24670+10014475+5714475+57203801215712157
23M1.25 mi24565+10514404+7114404+71225891314813148
24M1.00 mi24480+8514360+4414360+44220361283312833
40K0.85 mi24400+8014320+4014320+40220051275312753
25.2M0.35 mi24401-114309+1114309+11244051396513965
Finish(26.22 mi)1.02 mi24358+4314271+3814271+38231041333213332

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25711

Males

15019

M18-39

15019

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26925

Males

15535

M18-39

15535

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25711

Males

15019

M18-39

15019

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

24855

Males

14609

M18-39

14609

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24477

Males

14428

M18-39

14428

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24638

Males

14480

M18-39

14480

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22178

Males

13257

M18-39

13257

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22778

Males

13424

M18-39

13424

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21257

Males

12622

M18-39

12622

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20380

Males

12157

M18-39

12157

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22589

Males

13148

M18-39

13148

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22036

Males

12833

M18-39

12833

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

22005

Males

12753

M18-39

12753

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24405

Males

13965

M18-39

13965

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23104

Males

13332

M18-39

13332

Passing Analysis

Category:
Passed
2389
Passed By
673
Net Change
+1716
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26074
5K → 10K45562-517#26074#26591
10K → 15K33714+323#26591#26268
15K → 20K3897+382#26268#25886
20K → Half564+52#25886#25834
Half → 25K21610+206#25834#25628
25K → 30K5591+558#25628#25070
30K → 20M1455+140#25070#24930
20M → 21M1677+160#24930#24770
21M → 35K1022+100#24770#24670
35K → 23M11813+105#24670#24565
23M → 24M9510+85#24565#24480
24M → 40K833+80#24480#24400
40K → 25.2M1415-1#24400#24401
25.2M → Finish6320+43#24401#24358
TOTALS2389673+1716

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing