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BOSTON MARATHON 2025

Jeff Kirshman

Bib: 4067•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:55
Rank: #5714
Start → 5K
20:55 | 6:44/mi
10K· 6.21 mi
41:49
Rank: #5654 (+60)
5K → 10K
20:54 | 6:44/mi
15K· 9.32 mi
1:02:24
Rank: #5205 (+449)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:22:57
Rank: #4772 (+433)
15K → 20K
20:33 | 6:37/mi
Half· 13.11 mi
1:27:23
Rank: #4687 (+85)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:43:28
Rank: #4464 (+223)
Half → 25K
16:05 | 6:38/mi
30K· 18.64 mi
2:04:57
Rank: #4340 (+124)
25K → 30K
21:29 | 6:55/mi
20M
2:14:25
Rank: #4267 (+73)
30K → 20M
9:28 | 6:58/mi
21M
2:21:38
Rank: #4168 (+99)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:26:40
Rank: #4128 (+40)
21M → 35K
5:02 | 6:44/mi
23M
2:35:25
Rank: #4072 (+56)
35K → 23M
8:45 | 6:59/mi
24M
2:42:17
Rank: #4033 (+39)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:48:17
Rank: #4005 (+28)
24M → 40K
6:00 | 7:01/mi
25.2M
2:50:52
Rank: #3984 (+21)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:57:16
Rank: #3817 (+167)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:29:53
Pace6:51 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1620:556:4420:55
6:44
-
10K
6.21 mi11:07:1041:496:4420:54
6:44
0:00
15K
9.32 mi11:27:451:02:246:4220:35
6:38
-0:06
20K
12.43 mi11:48:181:22:576:4020:33
6:37
-0:01
Half
13.11 mi11:52:441:27:236:404:26
6:30
-0:07
25K
15.53 mi12:08:491:43:286:4016:05
6:38
+0:08
30K
18.64 mi12:30:182:04:576:4221:29
6:55
+0:17
20M
20.00 mi12:39:462:14:256:439:28
6:58
+0:03
21M
21.00 mi12:46:592:21:386:457:13
7:13
+0:15
35K
21.75 mi12:52:012:26:406:455:02
6:44
-0:29
23M
23.00 mi13:00:462:35:256:458:45
6:59
+0:15
24M
24.00 mi13:07:382:42:176:466:52
6:52
-0:07
40K
24.85 mi13:13:382:48:176:466:00
7:01
+0:09
25.2M
25.20 mi13:16:132:50:526:472:35
7:29
+0:28
Finish
26.22 mi13:22:372:57:166:466:24
6:17
-1:12

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

6:17 /mi

Average Pace

6:46 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:46

69% of race

Time at Steady Pace

52:55

30% of race

Time at Slower Pace

2:35

1% of race

Average Pace: 6:46 /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 mi10:46:1620:556:4420:55
6:44
#5714
10K
6.21 mi11:07:1041:496:4420:54
6:44
#5654
15K
9.32 mi11:27:451:02:246:4220:35
6:38
#5205
20K
12.43 mi11:48:181:22:576:4020:33
6:37
#4772
Half
13.11 mi11:52:441:27:236:404:26
6:30
#4687
25K
15.53 mi12:08:491:43:286:4016:05
6:38
#4464
30K
18.64 mi12:30:182:04:576:4221:29
6:55
#4340
20M
20.00 mi12:39:462:14:256:439:28
6:58
#4267
21M
21.00 mi12:46:592:21:386:457:13
7:13
#4168
35K
21.75 mi12:52:012:26:406:455:02
6:44
#4128
23M
23.00 mi13:00:462:35:256:458:45
6:59
#4072
24M
24.00 mi13:07:382:42:176:466:52
6:52
#4033
40K
24.85 mi13:13:382:48:176:466:00
7:01
#4005
25.2M
25.20 mi13:16:132:50:526:472:35
7:29
#3984
Finish
26.22 mi13:22:372:57:166:466:24
6:17
#3817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5714527652764431(Top 16%)4152(Top 26%)4152(Top 74%)
10K6.21 mi3.10 mi5654+605222+545222+545570(Top 20%)5119(Top 32%)5119(Top 91%)
15K9.32 mi3.11 mi5205+4494836+3864836+3864431(Top 16%)4152(Top 26%)4152(Top 74%)
20K12.43 mi3.11 mi4772+4334452+3844452+3843785(Top 13%)3570(Top 22%)3570(Top 63%)
Half13.11 mi0.68 mi4687+854376+764376+763630(Top 13%)3430(Top 21%)3430(Top 61%)
25K15.53 mi2.42 mi4464+2234178+1984178+1983667(Top 13%)3446(Top 21%)3446(Top 61%)
30K18.64 mi3.11 mi4340+1244059+1194059+1194159(Top 15%)3822(Top 24%)3822(Top 68%)
20M20.00 mi1.36 mi4267+733990+693990+693880(Top 14%)3563(Top 22%)3563(Top 63%)
21M21.00 mi1.00 mi4168+993893+973893+973200(Top 11%)2948(Top 18%)2948(Top 52%)
35K21.75 mi0.75 mi4128+403848+453848+453650(Top 13%)3297(Top 20%)3297(Top 58%)
23M23.00 mi1.25 mi4072+563788+603788+603672(Top 13%)3316(Top 21%)3316(Top 59%)
24M24.00 mi1.00 mi4033+393748+403748+403879(Top 14%)3432(Top 21%)3432(Top 61%)
40K24.85 mi0.85 mi4005+283716+323716+323980(Top 14%)3468(Top 22%)3468(Top 61%)
25.2M25.20 mi0.35 mi3984+213693+233693+233309(Top 12%)2899(Top 18%)2899(Top 51%)
Finish26.22 mi1.02 mi3817+1673540+1533540+1531816(Top 6%)1679(Top 10%)1679(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4431

Males

4152

M18-39

4152

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5570

Males

5119

M18-39

5119

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4431

Males

4152

M18-39

4152

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3785

Males

3570

M18-39

3570

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3630

Males

3430

M18-39

3430

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3667

Males

3446

M18-39

3446

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4159

Males

3822

M18-39

3822

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3880

Males

3563

M18-39

3563

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3200

Males

2948

M18-39

2948

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3650

Males

3297

M18-39

3297

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3672

Males

3316

M18-39

3316

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3879

Males

3432

M18-39

3432

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3980

Males

3468

M18-39

3468

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3309

Males

2899

M18-39

2899

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1816

Males

1679

M18-39

1679

Passing Analysis

Category:
Athletes Passed
2331
Passed By
434
Net Change
+1897
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5714
5K → 10K213153+60#5714#5654
10K → 15K4589+449#5654#5205
15K → 20K4385+433#5205#4772
20K → Half861+85#4772#4687
Half → 25K23411+223#4687#4464
25K → 30K20783+124#4464#4340
30K → 20M10734+73#4340#4267
20M → 21M11516+99#4267#4168
21M → 35K5515+40#4168#4128
35K → 23M9337+56#4128#4072
23M → 24M6526+39#4072#4033
24M → 40K5628+28#4033#4005
40K → 25.2M3211+21#4005#3984
25.2M → Finish1725+167#3984#3817
TOTALS2331434+1897
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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