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BOSTON MARATHON 2025

Guilherme Stapenhorst

Bib: 949•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:40
Rank: #412
Start → 5K
17:40 | 5:41/mi
10K· 6.21 mi
35:26
Rank: #445 (-33)
5K → 10K
17:46 | 5:43/mi
15K· 9.32 mi
53:31
Rank: #491 (-46)
10K → 15K
18:05 | 5:49/mi
20K· 12.43 mi
1:11:55
Rank: #509 (-18)
15K → 20K
18:24 | 5:55/mi
Half· 13.11 mi
1:15:54
Rank: #513 (-4)
20K → Half
3:59 | 5:50/mi
25K· 15.53 mi
1:30:26
Rank: #526 (-13)
Half → 25K
14:32 | 6:00/mi
30K· 18.64 mi
1:49:43
Rank: #565 (-39)
25K → 30K
19:17 | 6:12/mi
20M
1:58:23
Rank: #592 (-27)
30K → 20M
8:40 | 6:23/mi
21M
2:05:01
Rank: #593 (-1)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:09:40
Rank: #611 (-18)
21M → 35K
4:39 | 6:13/mi
23M
2:17:41
Rank: #619 (-8)
35K → 23M
8:01 | 6:24/mi
24M
2:23:52
Rank: #624 (-5)
23M → 24M
6:11 | 6:11/mi
40K· 24.85 mi
2:29:17
Rank: #630 (-6)
24M → 40K
5:25 | 6:20/mi
25.2M
2:31:38
Rank: #629 (+1)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:37:40
Rank: #621 (+8)
25.2M → Finish
6:02 | 5:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:54
Pace5:47 /mi
2nd Half
Distance13.11 mi
Time1:21:46
Pace6:14 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5317:405:4117:40
5:41
-
10K
6.21 mi10:35:3935:265:4217:46
5:43
+0:02
15K
9.32 mi10:53:4453:315:4518:05
5:49
+0:06
20K
12.43 mi11:12:081:11:555:4718:24
5:55
+0:06
Half
13.11 mi11:16:071:15:545:473:59
5:50
-0:05
25K
15.53 mi11:30:391:30:265:4914:32
6:00
+0:10
30K
18.64 mi11:49:561:49:435:5319:17
6:12
+0:12
20M
20.00 mi11:58:361:58:235:558:40
6:23
+0:11
21M
21.00 mi12:05:142:05:015:576:38
6:38
+0:15
35K
21.75 mi12:09:532:09:405:584:39
6:13
-0:25
23M
23.00 mi12:17:542:17:415:598:01
6:24
+0:11
24M
24.00 mi12:24:052:23:526:006:11
6:11
-0:13
40K
24.85 mi12:29:302:29:176:005:25
6:20
+0:09
25.2M
25.20 mi12:31:512:31:386:012:21
6:49
+0:29
Finish
26.22 mi12:37:532:37:406:016:02
5:55
-0:54

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

5:41 /mi

Average Pace

6:01 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:35

80% of race

Time at Steady Pace

28:44

18% of race

Time at Slower Pace

2:21

1% of race

Average Pace: 6:01 /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 mi10:17:5317:405:4117:40
5:41
#412
10K
6.21 mi10:35:3935:265:4217:46
5:43
#445
15K
9.32 mi10:53:4453:315:4518:05
5:49
#491
20K
12.43 mi11:12:081:11:555:4718:24
5:55
#509
Half
13.11 mi11:16:071:15:545:473:59
5:50
#513
25K
15.53 mi11:30:391:30:265:4914:32
6:00
#526
30K
18.64 mi11:49:561:49:435:5319:17
6:12
#565
20M
20.00 mi11:58:361:58:235:558:40
6:23
#592
21M
21.00 mi12:05:142:05:015:576:38
6:38
#593
35K
21.75 mi12:09:532:09:405:584:39
6:13
#611
23M
23.00 mi12:17:542:17:415:598:01
6:24
#619
24M
24.00 mi12:24:052:23:526:006:11
6:11
#624
40K
24.85 mi12:29:302:29:176:005:25
6:20
#630
25.2M
25.20 mi12:31:512:31:386:012:21
6:49
#629
Finish
26.22 mi12:37:532:37:406:016:02
5:55
#621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi412378378560(Top 2%)522(Top 3%)522(Top 9%)
10K6.21 mi3.10 mi445-33408-30408-30482(Top 2%)445(Top 3%)445(Top 8%)
15K9.32 mi3.11 mi491-46454-46454-46560(Top 2%)522(Top 3%)522(Top 9%)
20K12.43 mi3.11 mi509-18472-18472-18671(Top 2%)624(Top 4%)624(Top 11%)
Half13.11 mi0.68 mi513-4476-4476-4666(Top 2%)623(Top 4%)623(Top 11%)
25K15.53 mi2.42 mi526-13487-11487-11780(Top 3%)732(Top 5%)732(Top 13%)
30K18.64 mi3.11 mi565-39520-33520-33928(Top 3%)870(Top 5%)870(Top 15%)
20M20.00 mi1.36 mi592-27547-27547-271156(Top 4%)1088(Top 7%)1088(Top 19%)
21M21.00 mi1.00 mi593-1548-1548-1997(Top 4%)942(Top 6%)942(Top 17%)
35K21.75 mi0.75 mi611-18565-17565-171240(Top 4%)1170(Top 7%)1170(Top 21%)
23M23.00 mi1.25 mi619-8572-7572-71125(Top 4%)1061(Top 7%)1061(Top 19%)
24M24.00 mi1.00 mi624-5577-5577-5958(Top 3%)900(Top 6%)900(Top 16%)
40K24.85 mi0.85 mi630-6582-5582-51037(Top 4%)969(Top 6%)969(Top 17%)
25.2M25.20 mi0.35 mi629+1581+1581+1965(Top 3%)883(Top 5%)883(Top 16%)
Finish26.22 mi1.02 mi621+8573+8573+8722(Top 3%)678(Top 4%)678(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

560

Males

522

M18-39

522

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

482

Males

445

M18-39

445

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

560

Males

522

M18-39

522

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

671

Males

624

M18-39

624

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

666

Males

623

M18-39

623

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

780

Males

732

M18-39

732

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

928

Males

870

M18-39

870

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1156

Males

1088

M18-39

1088

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

997

Males

942

M18-39

942

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1240

Males

1170

M18-39

1170

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1125

Males

1061

M18-39

1061

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

958

Males

900

M18-39

900

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1037

Males

969

M18-39

969

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

965

Males

883

M18-39

883

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

722

Males

678

M18-39

678

Passing Analysis

Category:
Athletes Passed
127
Passed By
336
Net Change
-209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#412
5K → 10K1144-33#412#445
10K → 15K955-46#445#491
15K → 20K927-18#491#509
20K → Half26-4#509#513
Half → 25K1427-13#513#526
25K → 30K1857-39#526#565
30K → 20M431-27#565#592
20M → 21M1213-1#592#593
21M → 35K523-18#593#611
35K → 23M1018-8#611#619
23M → 24M813-5#619#624
24M → 40K612-6#624#630
40K → 25.2M65+1#630#629
25.2M → Finish135+8#629#621
TOTALS127336-209
📊

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