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BOSTON MARATHON 2025

Nicholas Perl

Bib: 5186•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M45-49)
#0 / 2386
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #5069
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
41:28
Rank: #5132 (-63)
5K → 10K
20:47 | 6:41/mi
15K· 9.32 mi
1:02:09
Rank: #4939 (+193)
10K → 15K
20:41 | 6:39/mi
20K· 12.43 mi
1:22:51
Rank: #4705 (+234)
15K → 20K
20:42 | 6:40/mi
Half· 13.11 mi
1:27:22
Rank: #4676 (+29)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:39
Rank: #4560 (+116)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:04:44
Rank: #4240 (+320)
25K → 30K
21:05 | 6:47/mi
20M
2:14:24
Rank: #4262 (-22)
30K → 20M
9:40 | 7:07/mi
21M
2:22:01
Rank: #4295 (-33)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:27:19
Rank: #4349 (-54)
21M → 35K
5:18 | 7:05/mi
23M
2:36:48
Rank: #4515 (-166)
35K → 23M
9:29 | 7:34/mi
24M
2:44:08
Rank: #4616 (-101)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
2:50:41
Rank: #4763 (-147)
24M → 40K
6:33 | 7:40/mi
25.2M
2:53:20
Rank: #4748 (+15)
40K → 25.2M
2:39 | 7:40/mi
Finish· 26.22 mi
3:01:09
Rank: #4946 (-198)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:22
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:33:47
Pace7:09 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4820:416:3920:41
6:39
-
10K
6.21 mi10:45:3541:286:4020:47
6:41
+0:02
15K
9.32 mi11:06:161:02:096:4020:41
6:39
-0:02
20K
12.43 mi11:26:581:22:516:4020:42
6:40
+0:01
Half
13.11 mi11:31:291:27:226:404:31
6:37
-0:03
25K
15.53 mi11:47:461:43:396:4016:17
6:43
+0:06
30K
18.64 mi12:08:512:04:446:4121:05
6:47
+0:04
20M
20.00 mi12:18:312:14:246:439:40
7:07
+0:20
21M
21.00 mi12:26:082:22:016:467:37
7:37
+0:30
35K
21.75 mi12:31:262:27:196:465:18
7:05
-0:32
23M
23.00 mi12:40:552:36:486:499:29
7:34
+0:29
24M
24.00 mi12:48:152:44:086:507:20
7:20
-0:14
40K
24.85 mi12:54:482:50:416:526:33
7:40
+0:20
25.2M
25.20 mi12:57:272:53:206:532:39
7:40
0:00
Finish
26.22 mi13:05:163:01:096:557:49
7:40
0:00

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

6:37 /mi

Average Pace

6:55 /mi

Slowest Pace

7:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:42

77% of race

Time at Steady Pace

41:27

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:55 /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 mi10:24:4820:416:3920:41
6:39
#5069
10K
6.21 mi10:45:3541:286:4020:47
6:41
#5132
15K
9.32 mi11:06:161:02:096:4020:41
6:39
#4939
20K
12.43 mi11:26:581:22:516:4020:42
6:40
#4705
Half
13.11 mi11:31:291:27:226:404:31
6:37
#4676
25K
15.53 mi11:47:461:43:396:4016:17
6:43
#4560
30K
18.64 mi12:08:512:04:446:4121:05
6:47
#4240
20M
20.00 mi12:18:312:14:246:439:40
7:07
#4262
21M
21.00 mi12:26:082:22:016:467:37
7:37
#4295
35K
21.75 mi12:31:262:27:196:465:18
7:05
#4349
23M
23.00 mi12:40:552:36:486:499:29
7:34
#4515
24M
24.00 mi12:48:152:44:086:507:20
7:20
#4616
40K
24.85 mi12:54:482:50:416:526:33
7:40
#4763
25.2M
25.20 mi12:57:272:53:206:532:39
7:40
#4748
Finish
26.22 mi13:05:163:01:096:557:49
7:40
#4946
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5069473147314704(Top 17%)4397(Top 27%)4397(Top 184%)
10K6.21 mi3.10 mi5132-634779-484779-485243(Top 18%)4864(Top 30%)4864(Top 204%)
15K9.32 mi3.11 mi4939+1934608+1714608+1714704(Top 17%)4397(Top 27%)4397(Top 184%)
20K12.43 mi3.11 mi4705+2344393+2154393+2154106(Top 14%)3851(Top 24%)3851(Top 161%)
Half13.11 mi0.68 mi4676+294368+254368+254554(Top 16%)4247(Top 26%)4247(Top 178%)
25K15.53 mi2.42 mi4560+1164261+1074261+1074249(Top 15%)3945(Top 24%)3945(Top 165%)
30K18.64 mi3.11 mi4240+3203969+2923969+2923357(Top 12%)3135(Top 19%)3135(Top 131%)
20M20.00 mi1.36 mi4262-223985-163985-164726(Top 17%)4267(Top 26%)4267(Top 179%)
21M21.00 mi1.00 mi4295-333997-123997-125189(Top 18%)4510(Top 28%)4510(Top 189%)
35K21.75 mi0.75 mi4349-544038-414038-415857(Top 21%)4956(Top 31%)4956(Top 208%)
23M23.00 mi1.25 mi4515-1664168-1304168-1307045(Top 25%)5598(Top 35%)5598(Top 235%)
24M24.00 mi1.00 mi4616-1014250-824250-826566(Top 23%)5260(Top 33%)5260(Top 220%)
40K24.85 mi0.85 mi4763-1474369-1194369-1197781(Top 27%)5856(Top 36%)5856(Top 245%)
25.2M25.20 mi0.35 mi4748+154349+204349+204151(Top 15%)3510(Top 22%)3510(Top 147%)
Finish26.22 mi1.02 mi4946-1984504-1554504-15510545(Top 37%)7257(Top 45%)7257(Top 304%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4704

Males

4397

M45-49

4397

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5243

Males

4864

M45-49

4864

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4704

Males

4397

M45-49

4397

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

4106

Males

3851

M45-49

3851

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4554

Males

4247

M45-49

4247

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4249

Males

3945

M45-49

3945

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3357

Males

3135

M45-49

3135

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4726

Males

4267

M45-49

4267

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5189

Males

4510

M45-49

4510

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5857

Males

4956

M45-49

4956

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7045

Males

5598

M45-49

5598

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6566

Males

5260

M45-49

5260

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7781

Males

5856

M45-49

5856

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4151

Males

3510

M45-49

3510

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10545

Males

7257

M45-49

7257

Passing Analysis

Category:
Athletes Passed
1472
Passed By
1349
Net Change
+123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5069
5K → 10K150213-63#5069#5132
10K → 15K24047+193#5132#4939
15K → 20K25925+234#4939#4705
20K → Half4112+29#4705#4676
Half → 25K16145+116#4676#4560
25K → 30K33414+320#4560#4240
30K → 20M6789-22#4240#4262
20M → 21M5487-33#4262#4295
21M → 35K2983-54#4295#4349
35K → 23M39205-166#4349#4515
23M → 24M39140-101#4515#4616
24M → 40K23170-147#4616#4763
40K → 25.2M3116+15#4763#4748
25.2M → Finish5203-198#4748#4946
TOTALS14721349+123
📊

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