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BOSTON MARATHON 2025

John Larkin

Bib: 6405•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
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
21:07
Rank: #6278
Start → 5K
21:07 | 6:48/mi
10K· 6.21 mi
42:01
Rank: #5940 (+338)
5K → 10K
20:54 | 6:44/mi
15K· 9.32 mi
1:03:12
Rank: #6003 (-63)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:23:34
Rank: #5209 (+794)
15K → 20K
20:22 | 6:33/mi
Half· 13.11 mi
1:28:05
Rank: #5151 (+58)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:25
Rank: #4983 (+168)
Half → 25K
16:20 | 6:44/mi
30K· 18.64 mi
2:05:54
Rank: #4778 (+205)
25K → 30K
21:29 | 6:55/mi
20M
2:15:24
Rank: #4693 (+85)
30K → 20M
9:30 | 6:59/mi
21M
2:22:45
Rank: #4598 (+95)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:27:58
Rank: #4585 (+13)
21M → 35K
5:13 | 6:58/mi
23M
2:36:47
Rank: #4509 (+76)
35K → 23M
8:49 | 7:03/mi
24M
2:43:55
Rank: #4545 (-36)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:50:18
Rank: #4630 (-85)
24M → 40K
6:23 | 7:28/mi
25.2M
2:53:15
Rank: #4724 (-94)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:00:56
Rank: #4902 (-178)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:05
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:32:51
Pace7:05 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5221:076:4821:07
6:48
-
10K
6.21 mi10:48:4642:016:4620:54
6:44
-0:04
15K
9.32 mi11:09:571:03:126:4721:11
6:49
+0:05
20K
12.43 mi11:30:191:23:346:4320:22
6:33
-0:16
Half
13.11 mi11:34:501:28:056:434:31
6:37
+0:04
25K
15.53 mi11:51:101:44:256:4316:20
6:44
+0:07
30K
18.64 mi12:12:392:05:546:4521:29
6:55
+0:11
20M
20.00 mi12:22:092:15:246:469:30
6:59
+0:04
21M
21.00 mi12:29:302:22:456:487:21
7:21
+0:22
35K
21.75 mi12:34:432:27:586:485:13
6:58
-0:23
23M
23.00 mi12:43:322:36:476:498:49
7:03
+0:05
24M
24.00 mi12:50:402:43:556:507:08
7:08
+0:05
40K
24.85 mi12:57:032:50:186:516:23
7:28
+0:20
25.2M
25.20 mi13:00:002:53:156:532:57
8:33
+1:05
Finish
26.22 mi13:07:413:00:566:547:41
7:32
-1:01

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

6:33 /mi

Average Pace

6:54 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:53

14% of race

Time at Steady Pace

2:11:41

73% of race

Time at Slower Pace

24:22

13% of race

Average Pace: 6:54 /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 mi10:27:5221:076:4821:07
6:48
#6278
10K
6.21 mi10:48:4642:016:4620:54
6:44
#5940
15K
9.32 mi11:09:571:03:126:4721:11
6:49
#6003
20K
12.43 mi11:30:191:23:346:4320:22
6:33
#5209
Half
13.11 mi11:34:501:28:056:434:31
6:37
#5151
25K
15.53 mi11:51:101:44:256:4316:20
6:44
#4983
30K
18.64 mi12:12:392:05:546:4521:29
6:55
#4778
20M
20.00 mi12:22:092:15:246:469:30
6:59
#4693
21M
21.00 mi12:29:302:22:456:487:21
7:21
#4598
35K
21.75 mi12:34:432:27:586:485:13
6:58
#4585
23M
23.00 mi12:43:322:36:476:498:49
7:03
#4509
24M
24.00 mi12:50:402:43:556:507:08
7:08
#4545
40K
24.85 mi12:57:032:50:186:516:23
7:28
#4630
25.2M
25.20 mi13:00:002:53:156:532:57
8:33
#4724
Finish
26.22 mi13:07:413:00:566:547:41
7:32
#4902
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6278573957396232(Top 22%)5642(Top 35%)5642(Top 100%)
10K6.21 mi3.10 mi5940+3385458+2815458+2815579(Top 20%)5128(Top 32%)5128(Top 91%)
15K9.32 mi3.11 mi6003-635499-415499-416232(Top 22%)5642(Top 35%)5642(Top 100%)
20K12.43 mi3.11 mi5209+7944825+6744825+6743452(Top 12%)3270(Top 20%)3270(Top 58%)
Half13.11 mi0.68 mi5151+584779+464779+464550(Top 16%)4243(Top 26%)4243(Top 75%)
25K15.53 mi2.42 mi4983+1684623+1564623+1564381(Top 15%)4059(Top 25%)4059(Top 72%)
30K18.64 mi3.11 mi4778+2054423+2004423+2004171(Top 15%)3834(Top 24%)3834(Top 68%)
20M20.00 mi1.36 mi4693+854349+744349+744050(Top 14%)3710(Top 23%)3710(Top 66%)
21M21.00 mi1.00 mi4598+954264+854264+853856(Top 14%)3506(Top 22%)3506(Top 62%)
35K21.75 mi0.75 mi4585+134247+174247+175141(Top 18%)4473(Top 28%)4473(Top 79%)
23M23.00 mi1.25 mi4509+764164+834164+834002(Top 14%)3572(Top 22%)3572(Top 63%)
24M24.00 mi1.00 mi4545-364186-224186-225373(Top 19%)4507(Top 28%)4507(Top 80%)
40K24.85 mi0.85 mi4630-854253-674253-676559(Top 23%)5166(Top 32%)5166(Top 92%)
25.2M25.20 mi0.35 mi4724-944330-774330-778982(Top 32%)6401(Top 40%)6401(Top 113%)
Finish26.22 mi1.02 mi4902-1784465-1354465-1359424(Top 33%)6652(Top 41%)6652(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6232

Males

5642

M18-39

5642

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5579

Males

5128

M18-39

5128

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6232

Males

5642

M18-39

5642

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3452

Males

3270

M18-39

3270

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4550

Males

4243

M18-39

4243

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4381

Males

4059

M18-39

4059

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4171

Males

3834

M18-39

3834

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

4050

Males

3710

M18-39

3710

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3856

Males

3506

M18-39

3506

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5141

Males

4473

M18-39

4473

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4002

Males

3572

M18-39

3572

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5373

Males

4507

M18-39

4507

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6559

Males

5166

M18-39

5166

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8982

Males

6401

M18-39

6401

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9424

Males

6652

M18-39

6652

Passing Analysis

Category:
Athletes Passed
2316
Passed By
940
Net Change
+1376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6278
5K → 10K39355+338#6278#5940
10K → 15K110173-63#5940#6003
15K → 20K7940+794#6003#5209
20K → Half6810+58#5209#5151
Half → 25K19224+168#5151#4983
25K → 30K26560+205#4983#4778
30K → 20M11833+85#4778#4693
20M → 21M12126+95#4693#4598
21M → 35K4835+13#4598#4585
35K → 23M10933+76#4585#4509
23M → 24M4884-36#4509#4545
24M → 40K33118-85#4545#4630
40K → 25.2M10104-94#4630#4724
25.2M → Finish7185-178#4724#4902
TOTALS2316940+1376
📊

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