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BOSTON MARATHON 2025

Peter Shapiro

Bib: 8695•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:25/mi
19:56
↑ 97↓ 3451.5%
10K· 6.21 mi
6:21/mi
39:40
↑ 79↓ 1380.4%
15K· 9.32 mi
6:30/mi
59:52
↑ 67↓ 78
20K· 12.43 mi
6:41/mi
1:20:38
↑ 106↓ 860.1%
Half· 13.11 mi
6:30/mi
1:25:04
↑ 19↓ 370.5%
25K· 15.53 mi
6:58/mi
1:41:57
↑ 66↓ 880.2%
30K· 18.64 mi
6:51/mi
2:03:15
↑ 181↓ 1480.2%
20M
6:54/mi
2:12:38
↑ 64↓ 500.2%
21M
7:22/mi
2:20:00
↑ 106↓ 241.6%
35K· 21.75 mi
6:41/mi
2:25:00
↑ 17↓ 861.7%
23M
7:09/mi
2:33:57
↑ 23↓ 630.6%
24M
6:42/mi
2:40:39
↓ 821.3%
40K· 24.85 mi
7:02/mi
2:46:40
↓ 200.3%
25.2M
7:50/mi
2:49:22
↑ 13↓ 160.2%
Finish· 26.22 mi
6:57/mi
2:56:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:04
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:31:23
Pace6:58 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:2819:566:2519:56
6:25
-
10K
6.21 mi11:05:1239:406:2319:44
6:21
-0:04
15K
9.32 mi11:25:2459:526:2520:12
6:30
+0:09
20K
12.43 mi11:46:101:20:386:2920:46
6:41
+0:11
Half
13.11 mi11:50:361:25:046:294:26
6:30
-0:11
25K
15.53 mi12:07:291:41:576:3416:53
6:58
+0:28
30K
18.64 mi12:28:472:03:156:3721:18
6:51
-0:07
20M
20.00 mi12:38:102:12:386:389:23
6:54
+0:03
21M
21.00 mi12:45:322:20:006:407:22
7:22
+0:28
35K
21.75 mi12:50:322:25:006:405:00
6:41
-0:41
23M
23.00 mi12:59:292:33:576:428:57
7:09
+0:28
24M
24.00 mi13:06:112:40:396:426:42
6:42
-0:27
40K
24.85 mi13:12:122:46:406:426:01
7:02
+0:20
25.2M
25.20 mi13:14:542:49:226:432:42
7:50
+0:48
Finish
26.22 mi13:21:592:56:276:447:05
6:57
-0:53

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

6:21 /mi

Average Pace

6:44 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:18

36% of race

Time at Steady Pace

1:33:08

53% of race

Time at Slower Pace

19:01

11% of race

Average Pace: 6:44 /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 mi10:45:2819:566:2519:56
6:25
#3243
10K
6.21 mi11:05:1239:406:2319:44
6:21
#2942
15K
9.32 mi11:25:2459:526:2520:12
6:30
#3161
20K
12.43 mi11:46:101:20:386:2920:46
6:41
#3422
Half
13.11 mi11:50:361:25:046:294:26
6:30
#3427
25K
15.53 mi12:07:291:41:576:3416:53
6:58
#3771
30K
18.64 mi12:28:472:03:156:3721:18
6:51
#3721
20M
20.00 mi12:38:102:12:386:389:23
6:54
#3663
21M
21.00 mi12:45:322:20:006:407:22
7:22
#3648
35K
21.75 mi12:50:322:25:006:405:00
6:41
#3615
23M
23.00 mi12:59:292:33:576:428:57
7:09
#3632
24M
24.00 mi13:06:112:40:396:426:42
6:42
#3557
40K
24.85 mi13:12:122:46:406:426:01
7:02
#3554
25.2M
25.20 mi13:14:542:49:226:432:42
7:50
#3566
Finish
26.22 mi13:21:592:56:276:447:05
6:57
#3605
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3243308230823587(Top 13%)3391(Top 21%)3391(Top 151%)
10K6.21 mi3.10 mi2942+3012804+2782804+2782754(Top 10%)2624(Top 16%)2624(Top 117%)
15K9.32 mi3.11 mi3161-2193009-2053009-2053587(Top 13%)3391(Top 21%)3391(Top 151%)
20K12.43 mi3.11 mi3422-2613247-2383247-2384300(Top 15%)4023(Top 25%)4023(Top 179%)
Half13.11 mi0.68 mi3427-53250-33250-33704(Top 13%)3504(Top 22%)3504(Top 156%)
25K15.53 mi2.42 mi3771-3443556-3063556-3066067(Top 21%)5452(Top 34%)5452(Top 243%)
30K18.64 mi3.11 mi3721+503511+453511+453791(Top 13%)3505(Top 22%)3505(Top 156%)
20M20.00 mi1.36 mi3663+583453+583453+583567(Top 13%)3289(Top 20%)3289(Top 146%)
21M21.00 mi1.00 mi3648+153433+203433+203954(Top 14%)3589(Top 22%)3589(Top 160%)
35K21.75 mi0.75 mi3615+333400+333400+333441(Top 12%)3140(Top 19%)3140(Top 140%)
23M23.00 mi1.25 mi3632-173411-113411-114597(Top 16%)4029(Top 25%)4029(Top 179%)
24M24.00 mi1.00 mi3557+753337+743337+743003(Top 11%)2727(Top 17%)2727(Top 121%)
40K24.85 mi0.85 mi3554+33323+143323+144133(Top 15%)3591(Top 22%)3591(Top 160%)
25.2M25.20 mi0.35 mi3566-123331-83331-85019(Top 18%)4136(Top 26%)4136(Top 184%)
Finish26.22 mi1.02 mi3605-393360-293360-295399(Top 19%)4367(Top 27%)4367(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3587

Males

3391

M40-44

3391

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2754

Males

2624

M40-44

2624

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3587

Males

3391

M40-44

3391

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4300

Males

4023

M40-44

4023

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3704

Males

3504

M40-44

3504

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

6067

Males

5452

M40-44

5452

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3791

Males

3505

M40-44

3505

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3567

Males

3289

M40-44

3289

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3954

Males

3589

M40-44

3589

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3441

Males

3140

M40-44

3140

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4597

Males

4029

M40-44

4029

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

3003

Males

2727

M40-44

2727

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4133

Males

3591

M40-44

3591

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5019

Males

4136

M40-44

4136

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5399

Males

4367

M40-44

4367

Passing Analysis

Category:
Athletes Passed
1005
Passed By
1367
Net Change
-362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3243
5K → 10K33635+301#3243#2942
10K → 15K27246-219#2942#3161
15K → 20K36297-261#3161#3422
20K → Half1318-5#3422#3427
Half → 25K23367-344#3427#3771
25K → 30K12575+50#3771#3721
30K → 20M8426+58#3721#3663
20M → 21M5742+15#3663#3648
21M → 35K4916+33#3648#3615
35K → 23M5976-17#3615#3632
23M → 24M9116+75#3632#3557
24M → 40K4946+3#3557#3554
40K → 25.2M2133-12#3554#3566
25.2M → Finish3574-39#3566#3605
TOTALS10051367-362
📊

Passing Visuals

Category:
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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