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BOSTON MARATHON 2025

John Perrine

Bib: 5574•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:16
Rank: #1864
Start → 5K
19:16 | 6:12/mi
10K· 6.21 mi
38:18
Rank: #1687 (+177)
5K → 10K
19:02 | 6:08/mi
15K· 9.32 mi
57:10
Rank: #1547 (+140)
10K → 15K
18:52 | 6:04/mi
20K· 12.43 mi
1:15:50
Rank: #1330 (+217)
15K → 20K
18:40 | 6:00/mi
Half· 13.11 mi
1:19:51
Rank: #1292 (+38)
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:34:30
Rank: #1212 (+80)
Half → 25K
14:39 | 6:03/mi
30K· 18.64 mi
1:53:56
Rank: #1160 (+52)
25K → 30K
19:26 | 6:15/mi
20M
2:02:28
Rank: #1121 (+39)
30K → 20M
8:32 | 6:17/mi
21M
2:09:14
Rank: #1111 (+10)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:13:54
Rank: #1102 (+9)
21M → 35K
4:40 | 6:14/mi
23M
2:21:51
Rank: #1065 (+37)
35K → 23M
7:57 | 6:21/mi
24M
2:28:08
Rank: #1063 (+2)
23M → 24M
6:17 | 6:17/mi
40K· 24.85 mi
2:33:44
Rank: #1069 (-6)
24M → 40K
5:36 | 6:33/mi
25.2M
2:36:10
Rank: #1062 (+7)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:42:40
Rank: #1079 (-17)
25.2M → Finish
6:30 | 6:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:51
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:22:49
Pace6:19 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0919:166:1219:16
6:12
-
10K
6.21 mi10:43:1138:186:1019:02
6:08
-0:04
15K
9.32 mi11:02:0357:106:0818:52
6:04
-0:04
20K
12.43 mi11:20:431:15:506:0618:40
6:00
-0:04
Half
13.11 mi11:24:441:19:516:054:01
5:53
-0:07
25K
15.53 mi11:39:231:34:306:0514:39
6:03
+0:10
30K
18.64 mi11:58:491:53:566:0719:26
6:15
+0:12
20M
20.00 mi12:07:212:02:286:078:32
6:17
+0:02
21M
21.00 mi12:14:072:09:146:096:46
6:46
+0:29
35K
21.75 mi12:18:472:13:546:094:40
6:14
-0:32
23M
23.00 mi12:26:442:21:516:107:57
6:21
+0:07
24M
24.00 mi12:33:012:28:086:106:17
6:17
-0:04
40K
24.85 mi12:38:372:33:446:115:36
6:33
+0:16
25.2M
25.20 mi12:41:032:36:106:122:26
7:03
+0:30
Finish
26.22 mi12:47:332:42:406:136:30
6:23
-0:40

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

5:53 /mi

Average Pace

6:13 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:52

91% of race

Time at Steady Pace

12:22

8% of race

Time at Slower Pace

2:26

1% of race

Average Pace: 6:12 /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 mi10:24:0919:166:1219:16
6:12
#1864
10K
6.21 mi10:43:1138:186:1019:02
6:08
#1687
15K
9.32 mi11:02:0357:106:0818:52
6:04
#1547
20K
12.43 mi11:20:431:15:506:0618:40
6:00
#1330
Half
13.11 mi11:24:441:19:516:054:01
5:53
#1292
25K
15.53 mi11:39:231:34:306:0514:39
6:03
#1212
30K
18.64 mi11:58:491:53:566:0719:26
6:15
#1160
20M
20.00 mi12:07:212:02:286:078:32
6:17
#1121
21M
21.00 mi12:14:072:09:146:096:46
6:46
#1111
35K
21.75 mi12:18:472:13:546:094:40
6:14
#1102
23M
23.00 mi12:26:442:21:516:107:57
6:21
#1065
24M
24.00 mi12:33:012:28:086:106:17
6:17
#1063
40K
24.85 mi12:38:372:33:446:115:36
6:33
#1069
25.2M
25.20 mi12:41:032:36:106:122:26
7:03
#1062
Finish
26.22 mi12:47:332:42:406:136:30
6:23
#1079
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1864177017701267(Top 4%)1202(Top 7%)1202(Top 21%)
10K6.21 mi3.10 mi1687+1771605+1651605+1651563(Top 6%)1486(Top 9%)1486(Top 26%)
15K9.32 mi3.11 mi1547+1401471+1341471+1341267(Top 4%)1202(Top 7%)1202(Top 21%)
20K12.43 mi3.11 mi1330+2171261+2101261+210884(Top 3%)833(Top 5%)833(Top 15%)
Half13.11 mi0.68 mi1292+381223+381223+38823(Top 3%)777(Top 5%)777(Top 14%)
25K15.53 mi2.42 mi1212+801146+771146+77912(Top 3%)859(Top 5%)859(Top 15%)
30K18.64 mi3.11 mi1160+521095+511095+511071(Top 4%)1007(Top 6%)1007(Top 18%)
20M20.00 mi1.36 mi1121+391057+381057+38911(Top 3%)859(Top 5%)859(Top 15%)
21M21.00 mi1.00 mi1111+101046+111046+111408(Top 5%)1328(Top 8%)1328(Top 24%)
35K21.75 mi0.75 mi1102+91039+71039+71339(Top 5%)1266(Top 8%)1266(Top 22%)
23M23.00 mi1.25 mi1065+371003+361003+36993(Top 3%)936(Top 6%)936(Top 17%)
24M24.00 mi1.00 mi1063+21002+11002+11252(Top 4%)1171(Top 7%)1171(Top 21%)
40K24.85 mi0.85 mi1069-61007-51007-51763(Top 6%)1626(Top 10%)1626(Top 29%)
25.2M25.20 mi0.35 mi1062+71000+71000+71601(Top 6%)1458(Top 9%)1458(Top 26%)
Finish26.22 mi1.02 mi1079-171016-161016-162184(Top 8%)1997(Top 12%)1997(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1267

Males

1202

M18-39

1202

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1563

Males

1486

M18-39

1486

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1267

Males

1202

M18-39

1202

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

884

Males

833

M18-39

833

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

823

Males

777

M18-39

777

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

912

Males

859

M18-39

859

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1071

Males

1007

M18-39

1007

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

911

Males

859

M18-39

859

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1408

Males

1328

M18-39

1328

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1339

Males

1266

M18-39

1266

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

993

Males

936

M18-39

936

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1252

Males

1171

M18-39

1171

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1763

Males

1626

M18-39

1626

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1601

Males

1458

M18-39

1458

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2184

Males

1997

M18-39

1997

Passing Analysis

Category:
Athletes Passed
980
Passed By
195
Net Change
+785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1864
5K → 10K20023+177#1864#1687
10K → 15K1488+140#1687#1547
15K → 20K2181+217#1547#1330
20K → Half391+38#1330#1292
Half → 25K899+80#1292#1212
25K → 30K7826+52#1212#1160
30K → 20M478+39#1160#1121
20M → 21M3525+10#1121#1111
21M → 35K156+9#1111#1102
35K → 23M5720+37#1102#1065
23M → 24M1412+2#1065#1063
24M → 40K1723-6#1063#1069
40K → 25.2M114+7#1069#1062
25.2M → Finish1229-17#1062#1079
TOTALS980195+785
📊

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