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BOSTON MARATHON 2025

Sam Wouters

Bib: 2539•M

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:27
Rank: #2194
Start → 5K
19:27 | 6:16/mi
10K· 6.21 mi
38:33
Rank: #1891 (+303)
5K → 10K
19:06 | 6:09/mi
15K· 9.32 mi
57:19
Rank: #1606 (+285)
10K → 15K
18:46 | 6:02/mi
20K· 12.43 mi
1:16:30
Rank: #1554 (+52)
15K → 20K
19:11 | 6:10/mi
Half· 13.11 mi
1:20:36
Rank: #1530 (+24)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:35:36
Rank: #1487 (+43)
Half → 25K
15:00 | 6:11/mi
30K· 18.64 mi
1:55:50
Rank: #1553 (-66)
25K → 30K
20:14 | 6:31/mi
20M
2:05:02
Rank: #1608 (-55)
30K → 20M
9:12 | 6:46/mi
21M
2:12:24
Rank: #1698 (-90)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:17:20
Rank: #1715 (-17)
21M → 35K
4:56 | 6:36/mi
23M
2:26:01
Rank: #1767 (-52)
35K → 23M
8:41 | 6:56/mi
24M
2:32:39
Rank: #1791 (-24)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:38:36
Rank: #1830 (-39)
24M → 40K
5:57 | 6:58/mi
25.2M
2:41:17
Rank: #1858 (-28)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:48:09
Rank: #1912 (-54)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:36
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:27:33
Pace6:41 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3019:276:1619:27
6:16
-
10K
6.21 mi10:39:3638:336:1219:06
6:09
-0:07
15K
9.32 mi10:58:2257:196:0918:46
6:02
-0:07
20K
12.43 mi11:17:331:16:306:0919:11
6:10
+0:08
Half
13.11 mi11:21:391:20:366:094:06
6:01
-0:09
25K
15.53 mi11:36:391:35:366:0915:00
6:11
+0:10
30K
18.64 mi11:56:531:55:506:1320:14
6:31
+0:20
20M
20.00 mi12:06:052:05:026:159:12
6:46
+0:15
21M
21.00 mi12:13:272:12:246:187:22
7:22
+0:36
35K
21.75 mi12:18:232:17:206:194:56
6:36
-0:46
23M
23.00 mi12:27:042:26:016:218:41
6:56
+0:20
24M
24.00 mi12:33:422:32:396:226:38
6:38
-0:18
40K
24.85 mi12:39:392:38:366:235:57
6:58
+0:20
25.2M
25.20 mi12:42:202:41:176:242:41
7:47
+0:49
Finish
26.22 mi12:49:122:48:096:256:52
6:44
-1:03

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

6:01 /mi

Average Pace

6:25 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:36

57% of race

Time at Steady Pace

47:52

28% of race

Time at Slower Pace

24:41

15% of race

Average Pace: 6:25 /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 mi10:20:3019:276:1619:27
6:16
#2194
10K
6.21 mi10:39:3638:336:1219:06
6:09
#1891
15K
9.32 mi10:58:2257:196:0918:46
6:02
#1606
20K
12.43 mi11:17:331:16:306:0919:11
6:10
#1554
Half
13.11 mi11:21:391:20:366:094:06
6:01
#1530
25K
15.53 mi11:36:391:35:366:0915:00
6:11
#1487
30K
18.64 mi11:56:531:55:506:1320:14
6:31
#1553
20M
20.00 mi12:06:052:05:026:159:12
6:46
#1608
21M
21.00 mi12:13:272:12:246:187:22
7:22
#1698
35K
21.75 mi12:18:232:17:206:194:56
6:36
#1715
23M
23.00 mi12:27:042:26:016:218:41
6:56
#1767
24M
24.00 mi12:33:422:32:396:226:38
6:38
#1791
40K
24.85 mi12:39:392:38:366:235:57
6:58
#1830
25.2M
25.20 mi12:42:202:41:176:242:41
7:47
#1858
Finish
26.22 mi12:49:122:48:096:256:52
6:44
#1912
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2194209520951167(Top 4%)1105(Top 7%)1105(Top 20%)
10K6.21 mi3.10 mi1891+3031800+2951800+2951663(Top 6%)1583(Top 10%)1583(Top 28%)
15K9.32 mi3.11 mi1606+2851528+2721528+2721167(Top 4%)1105(Top 7%)1105(Top 20%)
20K12.43 mi3.11 mi1554+521476+521476+521476(Top 5%)1398(Top 9%)1398(Top 25%)
Half13.11 mi0.68 mi1530+241454+221454+221203(Top 4%)1140(Top 7%)1140(Top 20%)
25K15.53 mi2.42 mi1487+431408+461408+461404(Top 5%)1332(Top 8%)1332(Top 24%)
30K18.64 mi3.11 mi1553-661472-641472-642023(Top 7%)1923(Top 12%)1923(Top 34%)
20M20.00 mi1.36 mi1608-551523-511523-512744(Top 10%)2569(Top 16%)2569(Top 46%)
21M21.00 mi1.00 mi1698-901610-871610-873911(Top 14%)3546(Top 22%)3546(Top 63%)
35K21.75 mi0.75 mi1715-171625-151625-152878(Top 10%)2650(Top 16%)2650(Top 47%)
23M23.00 mi1.25 mi1767-521676-511676-513377(Top 12%)3065(Top 19%)3065(Top 54%)
24M24.00 mi1.00 mi1791-241696-201696-202614(Top 9%)2397(Top 15%)2397(Top 42%)
40K24.85 mi0.85 mi1830-391732-361732-363634(Top 13%)3204(Top 20%)3204(Top 57%)
25.2M25.20 mi0.35 mi1858-281760-281760-284655(Top 16%)3853(Top 24%)3853(Top 68%)
Finish26.22 mi1.02 mi1912-541811-511811-514076(Top 14%)3479(Top 22%)3479(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1167

Males

1105

M18-39

1105

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1663

Males

1583

M18-39

1583

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1167

Males

1105

M18-39

1105

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1476

Males

1398

M18-39

1398

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1203

Males

1140

M18-39

1140

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1404

Males

1332

M18-39

1332

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2023

Males

1923

M18-39

1923

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2744

Males

2569

M18-39

2569

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3911

Males

3546

M18-39

3546

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2878

Males

2650

M18-39

2650

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3377

Males

3065

M18-39

3065

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2614

Males

2397

M18-39

2397

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3634

Males

3204

M18-39

3204

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4655

Males

3853

M18-39

3853

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4076

Males

3479

M18-39

3479

Passing Analysis

Category:
Athletes Passed
967
Passed By
685
Net Change
+282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2194
5K → 10K32421+303#2194#1891
10K → 15K2872+285#1891#1606
15K → 20K7321+52#1606#1554
20K → Half284+24#1554#1530
Half → 25K5916+43#1530#1487
25K → 30K46112-66#1487#1553
30K → 20M2378-55#1553#1608
20M → 21M19109-90#1608#1698
21M → 35K1431-17#1698#1715
35K → 23M2577-52#1715#1767
23M → 24M2852-24#1767#1791
24M → 40K1655-39#1791#1830
40K → 25.2M735-28#1830#1858
25.2M → Finish1872-54#1858#1912
TOTALS967685+282
📊

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