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BOSTON MARATHON 2025

Sean Grumbles

Bib: 27655•M

RI

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

Start
0:00:00
Race begins
5K· 3.11 mi
26:32
Rank: #20124
Start → 5K
26:32 | 8:32/mi
10K· 6.21 mi
50:11
Rank: #17078 (+3046)
5K → 10K
23:39 | 7:37/mi
15K· 9.32 mi
1:14:38
Rank: #16388 (+690)
10K → 15K
24:27 | 7:52/mi
20K· 12.43 mi
1:40:32
Rank: #16602 (-214)
15K → 20K
25:54 | 8:20/mi
Half· 13.11 mi
1:46:04
Rank: #16594 (+8)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:07:36
Rank: #17039 (-445)
Half → 25K
21:32 | 8:53/mi
30K· 18.64 mi
2:38:57
Rank: #18301 (-1262)
25K → 30K
31:21 | 10:05/mi
20M
2:52:41
Rank: #18622 (-321)
30K → 20M
13:44 | 10:06/mi
21M
3:03:56
Rank: #18954 (-332)
20M → 21M
11:15 | 11:15/mi
35K· 21.75 mi
3:11:33
Rank: #19156 (-202)
21M → 35K
7:37 | 10:11/mi
23M
3:25:43
Rank: #19629 (-473)
35K → 23M
14:10 | 11:19/mi
24M
3:36:35
Rank: #19922 (-293)
23M → 24M
10:52 | 10:52/mi
40K· 24.85 mi
3:45:07
Rank: #19959 (-37)
24M → 40K
8:32 | 9:59/mi
25.2M
3:48:53
Rank: #19967 (-8)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
3:58:18
Rank: #20007 (-40)
25.2M → Finish
9:25 | 9:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:04
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time2:12:14
Pace10:05 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3126:328:3226:32
8:32
-
10K
6.21 mi12:07:1050:118:0523:39
7:37
-0:55
15K
9.32 mi12:31:371:14:388:0024:27
7:52
+0:15
20K
12.43 mi12:57:311:40:328:0525:54
8:20
+0:28
Half
13.11 mi13:03:031:46:048:055:32
8:07
-0:13
25K
15.53 mi13:24:352:07:368:1321:32
8:53
+0:46
30K
18.64 mi13:55:562:38:578:3231:21
10:05
+1:12
20M
20.00 mi14:09:402:52:418:3813:44
10:06
+0:01
21M
21.00 mi14:20:553:03:568:4611:15
11:15
+1:09
35K
21.75 mi14:28:323:11:338:487:37
10:11
-1:04
23M
23.00 mi14:42:423:25:438:5714:10
11:19
+1:08
24M
24.00 mi14:53:343:36:359:0110:52
10:52
-0:27
40K
24.85 mi15:02:063:45:079:038:32
9:59
-0:53
25.2M
25.20 mi15:05:523:48:539:053:46
10:55
+0:56
Finish
26.22 mi15:15:173:58:189:069:25
9:14
-1:41

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:37 /mi

Average Pace

9:06 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:01

57% of race

Time at Steady Pace

1:01:14

26% of race

Time at Slower Pace

40:03

17% of race

Average Pace: 9:05 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:43:3126:328:3226:32
8:32
#20124
10K
6.21 mi12:07:1050:118:0523:39
7:37
#17078
15K
9.32 mi12:31:371:14:388:0024:27
7:52
#16388
20K
12.43 mi12:57:311:40:328:0525:54
8:20
#16602
Half
13.11 mi13:03:031:46:048:055:32
8:07
#16594
25K
15.53 mi13:24:352:07:368:1321:32
8:53
#17039
30K
18.64 mi13:55:562:38:578:3231:21
10:05
#18301
20M
20.00 mi14:09:402:52:418:3813:44
10:06
#18622
21M
21.00 mi14:20:553:03:568:4611:15
11:15
#18954
35K
21.75 mi14:28:323:11:338:487:37
10:11
#19156
23M
23.00 mi14:42:423:25:438:5714:10
11:19
#19629
24M
24.00 mi14:53:343:36:359:0110:52
10:52
#19922
40K
24.85 mi15:02:063:45:079:038:32
9:59
#19959
25.2M
25.20 mi15:05:523:48:539:053:46
10:55
#19967
Finish
26.22 mi15:15:173:58:189:069:25
9:14
#20007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20124124931249314986(Top 53%)10375(Top 64%)10375(Top 184%)
10K6.21 mi3.10 mi17078+304611256+123711256+123713137(Top 46%)9650(Top 60%)9650(Top 171%)
15K9.32 mi3.11 mi16388+69010971+28510971+28514986(Top 53%)10375(Top 64%)10375(Top 184%)
20K12.43 mi3.11 mi16602-21411055-8411055-8417135(Top 60%)11244(Top 70%)11244(Top 199%)
Half13.11 mi0.68 mi16594+811048+711048+716675(Top 59%)11070(Top 69%)11070(Top 196%)
25K15.53 mi2.42 mi17039-44511200-15211200-15219337(Top 68%)12121(Top 75%)12121(Top 215%)
30K18.64 mi3.11 mi18301-126211690-49011690-49021858(Top 77%)13096(Top 81%)13096(Top 232%)
20M20.00 mi1.36 mi18622-32111812-12211812-12221284(Top 75%)12716(Top 79%)12716(Top 225%)
21M21.00 mi1.00 mi18954-33211918-10611918-10622025(Top 78%)12987(Top 81%)12987(Top 230%)
35K21.75 mi0.75 mi19156-20211998-8011998-8022360(Top 79%)13082(Top 81%)13082(Top 232%)
23M23.00 mi1.25 mi19629-47312161-16312161-16323902(Top 84%)13788(Top 86%)13788(Top 244%)
24M24.00 mi1.00 mi19922-29312264-10312264-10323694(Top 83%)13657(Top 85%)13657(Top 242%)
40K24.85 mi0.85 mi19959-3712271-712271-720404(Top 72%)11989(Top 74%)11989(Top 212%)
25.2M25.20 mi0.35 mi19967-812265+612265+620360(Top 72%)11960(Top 74%)11960(Top 212%)
Finish26.22 mi1.02 mi20007-4012272-712272-720117(Top 71%)11854(Top 74%)11854(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14986

Males

10375

M18-39

10375

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13137

Males

9650

M18-39

9650

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14986

Males

10375

M18-39

10375

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17135

Males

11244

M18-39

11244

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16675

Males

11070

M18-39

11070

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19337

Males

12121

M18-39

12121

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

21858

Males

13096

M18-39

13096

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21284

Males

12716

M18-39

12716

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

22025

Males

12987

M18-39

12987

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22360

Males

13082

M18-39

13082

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23902

Males

13788

M18-39

13788

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23694

Males

13657

M18-39

13657

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20404

Males

11989

M18-39

11989

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20360

Males

11960

M18-39

11960

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20117

Males

11854

M18-39

11854

Passing Analysis

Category:
Athletes Passed
4286
Passed By
4169
Net Change
+117
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20124
5K → 10K30460+3046#20124#17078
10K → 15K70616+690#17078#16388
15K → 20K145359-214#16388#16602
20K → Half3628+8#16602#16594
Half → 25K59504-445#16594#17039
25K → 30K381300-1262#17039#18301
30K → 20M42363-321#18301#18622
20M → 21M31363-332#18622#18954
21M → 35K18220-202#18954#19156
35K → 23M20493-473#19156#19629
23M → 24M19312-293#19629#19922
24M → 40K4885-37#19922#19959
40K → 25.2M2533-8#19959#19967
25.2M → Finish5393-40#19967#20007
TOTALS42864169+117
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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