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BOSTON MARATHON 2025

Dan Griffin

Bib: 5467•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:04
Rank: #3535
Start → 5K
6:28/mi
20:04 split
10K· 6.21 mi
40:11
Rank: #3539 (-4)
5K → 10K
6:28/mi
20:07 split
15K· 9.32 mi
1:00:23
Rank: #3537 (+2)
10K → 15K
6:30/mi
20:12 split
20K· 12.43 mi
1:20:46
Rank: #3500 (+37)
15K → 20K
6:34/mi
20:23 split
Half· 13.11 mi
1:25:11
Rank: #3492 (+8)
20K → Half
6:28/mi
4:25 split
25K· 15.53 mi
1:41:08
Rank: #3452 (+40)
Half → 25K
6:35/mi
15:57 split
30K· 18.64 mi
2:02:15
Rank: #3376 (+76)
25K → 30K
6:48/mi
21:07 split
20M
2:11:38
Rank: #3350 (+26)
30K → 20M
6:54/mi
9:23 split
21M
2:18:58
Rank: #3357 (-7)
20M → 21M
7:20/mi
7:20 split
35K· 21.75 mi
2:24:08
Rank: #3373 (-16)
21M → 35K
6:54/mi
5:10 split
23M
2:32:57
Rank: #3344 (+29)
35K → 23M
7:03/mi
8:49 split
24M
2:39:54
Rank: #3356 (-12)
23M → 24M
6:57/mi
6:57 split
40K· 24.85 mi
2:45:51
Rank: #3338 (+18)
24M → 40K
6:58/mi
5:57 split
25.2M
2:48:29
Rank: #3339 (-1)
40K → 25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
2:55:10
Rank: #3282 (+57)
25.2M → Finish
6:34/mi
6:41 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:11
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:29:59
Pace6:52 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5720:046:2820:04
6:28
-
10K
6.21 mi10:45:0440:116:2820:07
6:28
0:00
15K
9.32 mi11:05:161:00:236:2920:12
6:30
+0:02
20K
12.43 mi11:25:391:20:466:3020:23
6:34
+0:04
Half
13.11 mi11:30:041:25:116:304:25
6:28
-0:06
25K
15.53 mi11:46:011:41:086:3115:57
6:35
+0:07
30K
18.64 mi12:07:082:02:156:3321:07
6:48
+0:13
20M
20.00 mi12:16:312:11:386:359:23
6:54
+0:06
21M
21.00 mi12:23:512:18:586:377:20
7:20
+0:26
35K
21.75 mi12:29:012:24:086:385:10
6:54
-0:26
23M
23.00 mi12:37:502:32:576:398:49
7:03
+0:09
24M
24.00 mi12:44:472:39:546:406:57
6:57
-0:06
40K
24.85 mi12:50:442:45:516:405:57
6:58
+0:01
25.2M
25.20 mi12:53:222:48:296:412:38
7:38
+0:40
Finish
26.22 mi13:00:032:55:106:416:41
6:34
-1:04

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

6:28 /mi

Average Pace

6:41 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:12

94% of race

Time at Steady Pace

7:20

4% of race

Time at Slower Pace

2:38

2% of race

Average Pace: 6:41 /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 mi10:24:5720:046:2820:04
6:28
#3535
10K
6.21 mi10:45:0440:116:2820:07
6:28
#3539
15K
9.32 mi11:05:161:00:236:2920:12
6:30
#3537
20K
12.43 mi11:25:391:20:466:3020:23
6:34
#3500
Half
13.11 mi11:30:041:25:116:304:25
6:28
#3492
25K
15.53 mi11:46:011:41:086:3115:57
6:35
#3452
30K
18.64 mi12:07:082:02:156:3321:07
6:48
#3376
20M
20.00 mi12:16:312:11:386:359:23
6:54
#3350
21M
21.00 mi12:23:512:18:586:377:20
7:20
#3357
35K
21.75 mi12:29:012:24:086:385:10
6:54
#3373
23M
23.00 mi12:37:502:32:576:398:49
7:03
#3344
24M
24.00 mi12:44:472:39:546:406:57
6:57
#3356
40K
24.85 mi12:50:442:45:516:405:57
6:58
#3338
25.2M
25.20 mi12:53:222:48:296:412:38
7:38
#3339
Finish
26.22 mi13:00:032:55:106:416:41
6:34
#3282
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3535335733573583(Top 13%)3387(Top 21%)3387(Top 60%)
10K6.21 mi3.10 mi3539-43358-13358-13553(Top 13%)3364(Top 21%)3364(Top 60%)
15K9.32 mi3.11 mi3537+23353+53353+53583(Top 13%)3387(Top 21%)3387(Top 60%)
20K12.43 mi3.11 mi3500+373317+363317+363485(Top 12%)3300(Top 20%)3300(Top 58%)
Half13.11 mi0.68 mi3492+83309+83309+83532(Top 12%)3348(Top 21%)3348(Top 59%)
25K15.53 mi2.42 mi3452+403273+363273+363338(Top 12%)3157(Top 20%)3157(Top 56%)
30K18.64 mi3.11 mi3376+763195+783195+783430(Top 12%)3196(Top 20%)3196(Top 57%)
20M20.00 mi1.36 mi3350+263169+263169+263556(Top 13%)3278(Top 20%)3278(Top 58%)
21M21.00 mi1.00 mi3357-73173-43173-43784(Top 13%)3447(Top 21%)3447(Top 61%)
35K21.75 mi0.75 mi3373-163185-123185-124765(Top 17%)4208(Top 26%)4208(Top 75%)
23M23.00 mi1.25 mi3344+293154+313154+314017(Top 14%)3587(Top 22%)3587(Top 64%)
24M24.00 mi1.00 mi3356-123158-43158-44355(Top 15%)3807(Top 24%)3807(Top 67%)
40K24.85 mi0.85 mi3338+183139+193139+193672(Top 13%)3242(Top 20%)3242(Top 57%)
25.2M25.20 mi0.35 mi3339-13134+53134+54042(Top 14%)3458(Top 21%)3458(Top 61%)
Finish26.22 mi1.02 mi3282+573075+593075+593104(Top 11%)2759(Top 17%)2759(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3583

Males

3387

M18-39

3387

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3553

Males

3364

M18-39

3364

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3583

Males

3387

M18-39

3387

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3485

Males

3300

M18-39

3300

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3532

Males

3348

M18-39

3348

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3338

Males

3157

M18-39

3157

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3430

Males

3196

M18-39

3196

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3556

Males

3278

M18-39

3278

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3784

Males

3447

M18-39

3447

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4765

Males

4208

M18-39

4208

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4017

Males

3587

M18-39

3587

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4355

Males

3807

M18-39

3807

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3672

Males

3242

M18-39

3242

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4042

Males

3458

M18-39

3458

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3104

Males

2759

M18-39

2759

Passing Analysis

Category:
Athletes Passed
1013
Passed By
760
Net Change
+253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3535
5K → 10K132136-4#3535#3539
10K → 15K9694+2#3539#3537
15K → 20K12285+37#3537#3500
20K → Half2012+8#3500#3492
Half → 25K8444+40#3492#3452
25K → 30K14266+76#3452#3376
30K → 20M7347+26#3376#3350
20M → 21M5158-7#3350#3357
21M → 35K2642-16#3357#3373
35K → 23M7445+29#3373#3344
23M → 24M4456-12#3344#3356
24M → 40K4729+18#3356#3338
40K → 25.2M2425-1#3338#3339
25.2M → Finish7821+57#3339#3282
TOTALS1013760+253
📊

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