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BOSTON MARATHON 2025

Piotr Szczepanek

Bib: 19548•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:24/mi
26:05
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:20:21
↑ 67↓ 78
20K· 12.43 mi
9:28/mi
1:49:47
↑ 106↓ 860.1%
Half· 13.11 mi
9:35/mi
1:56:19
↑ 19↓ 370.5%
25K· 15.53 mi
11:09/mi
2:23:20
↑ 66↓ 880.2%
30K· 18.64 mi
12:47/mi
3:03:04
↑ 181↓ 1480.2%
20M
15:01/mi
3:23:29
↑ 64↓ 500.2%
21M
15:05/mi
3:38:34
↑ 106↓ 241.6%
35K· 21.75 mi
15:32/mi
3:50:11
↑ 17↓ 861.7%
23M
14:49/mi
4:08:44
↑ 23↓ 630.6%
24M
14:49/mi
4:23:33
↓ 821.3%
40K· 24.85 mi
11:50/mi
4:33:40
↓ 200.3%
25.2M
10:35/mi
4:37:19
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
4:46:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:19
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:50:18
Pace12:59 /mi
📊Positive Split: 46.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1226:058:2426:05
8:24
-
10K
6.21 mi11:44:3852:318:2726:26
8:30
+0:06
15K
9.32 mi12:12:281:20:218:3727:50
8:58
+0:28
20K
12.43 mi12:41:541:49:478:5029:26
9:28
+0:30
Half
13.11 mi12:48:261:56:198:526:32
9:35
+0:07
25K
15.53 mi13:15:272:23:209:1427:01
11:09
+1:34
30K
18.64 mi13:55:113:03:049:4939:44
12:47
+1:38
20M
20.00 mi14:15:363:23:2910:1020:25
15:01
+2:14
21M
21.00 mi14:30:413:38:3410:2415:05
15:05
+0:04
35K
21.75 mi14:42:183:50:1110:3511:37
15:32
+0:27
23M
23.00 mi15:00:514:08:4410:4918:33
14:49
-0:43
24M
24.00 mi15:15:404:23:3310:5914:49
14:49
0:00
40K
24.85 mi15:25:474:33:4011:0110:07
11:50
-2:59
25.2M
25.20 mi15:29:264:37:1911:003:39
10:35
-1:15
Finish
26.22 mi15:38:444:46:3710:569:18
9:08
-1:27

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

8:24 /mi

Average Pace

10:56 /mi

Slowest Pace

15:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:37

44% of race

Time at Steady Pace

40:47

14% of race

Time at Slower Pace

2:00:13

42% of race

Average Pace: 10:56 /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 mi11:18:1226:058:2426:05
8:24
#19281
10K
6.21 mi11:44:3852:318:2726:26
8:30
#19544
15K
9.32 mi12:12:281:20:218:3727:50
8:58
#20312
20K
12.43 mi12:41:541:49:478:5029:26
9:28
#21090
Half
13.11 mi12:48:261:56:198:526:32
9:35
#21284
25K
15.53 mi13:15:272:23:209:1427:01
11:09
#22536
30K
18.64 mi13:55:113:03:049:4939:44
12:47
#23727
20M
20.00 mi14:15:363:23:2910:1020:25
15:01
#24430
21M
21.00 mi14:30:413:38:3410:2415:05
15:05
#24685
35K
21.75 mi14:42:183:50:1110:3511:37
15:32
#24993
23M
23.00 mi15:00:514:08:4410:4918:33
14:49
#25248
24M
24.00 mi15:15:404:23:3310:5914:49
14:49
#25481
40K
24.85 mi15:25:474:33:4011:0110:07
11:50
#25452
25.2M
25.20 mi15:29:264:37:1911:003:39
10:35
#25397
Finish
26.22 mi15:38:444:46:3710:569:18
9:08
#25274
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19281121591215921850(Top 77%)13328(Top 83%)13328(Top 809%)
10K6.21 mi3.10 mi19544-26312281-12212281-12219848(Top 70%)12411(Top 77%)12411(Top 753%)
15K9.32 mi3.11 mi20312-76812605-32412605-32421850(Top 77%)13328(Top 83%)13328(Top 809%)
20K12.43 mi3.11 mi21090-77812953-34812953-34822817(Top 80%)13714(Top 85%)13714(Top 832%)
Half13.11 mi0.68 mi21284-19413035-8213035-8223790(Top 84%)14149(Top 88%)14149(Top 859%)
25K15.53 mi2.42 mi22536-125213593-55813593-55825407(Top 89%)14822(Top 92%)14822(Top 899%)
30K18.64 mi3.11 mi23727-119114078-48514078-48526471(Top 93%)15193(Top 94%)15193(Top 922%)
20M20.00 mi1.36 mi24430-70314392-31414392-31427879(Top 98%)15814(Top 98%)15814(Top 960%)
21M21.00 mi1.00 mi24685-25514489-9714489-9727222(Top 96%)15468(Top 96%)15468(Top 939%)
35K21.75 mi0.75 mi24993-30814621-13214621-13228159(Top 99%)15947(Top 99%)15947(Top 968%)
23M23.00 mi1.25 mi25248-25514718-9714718-9727837(Top 98%)15751(Top 98%)15751(Top 956%)
24M24.00 mi1.00 mi25481-23314814-9614814-9628001(Top 99%)15833(Top 98%)15833(Top 961%)
40K24.85 mi0.85 mi25452+2914789+2514789+2524676(Top 87%)14100(Top 88%)14100(Top 856%)
25.2M25.20 mi0.35 mi25397+5514765+2414765+2419301(Top 68%)11460(Top 71%)11460(Top 695%)
Finish26.22 mi1.02 mi25274+12314703+6214703+6219626(Top 69%)11651(Top 72%)11651(Top 707%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21850

Males

13328

M55-59

13328

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19848

Males

12411

M55-59

12411

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21850

Males

13328

M55-59

13328

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22817

Males

13714

M55-59

13714

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23790

Males

14149

M55-59

14149

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25407

Males

14822

M55-59

14822

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26471

Males

15193

M55-59

15193

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27879

Males

15814

M55-59

15814

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27222

Males

15468

M55-59

15468

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

28159

Males

15947

M55-59

15947

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27837

Males

15751

M55-59

15751

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28001

Males

15833

M55-59

15833

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24676

Males

14100

M55-59

14100

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19301

Males

11460

M55-59

11460

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19626

Males

11651

M55-59

11651

Passing Analysis

Category:
Athletes Passed
553
Passed By
6546
Net Change
-5993
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19281
5K → 10K148411-263#19281#19544
10K → 15K56824-768#19544#20312
15K → 20K53831-778#20312#21090
20K → Half5199-194#21090#21284
Half → 25K101262-1252#21284#22536
25K → 30K171208-1191#22536#23727
30K → 20M8711-703#23727#24430
20M → 21M15270-255#24430#24685
21M → 35K2310-308#24685#24993
35K → 23M5260-255#24993#25248
23M → 24M7240-233#25248#25481
24M → 40K4920+29#25481#25452
40K → 25.2M550+55#25452#25397
25.2M → Finish1230+123#25397#25274
TOTALS5536546-5993
📊

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