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BOSTON MARATHON 2025

Jeroen Buitenhuis

Bib: 5511•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Masters (Masters Men)
#0 / 10463
Top 9%
Division (M45-49)
#0 / 2386
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:55
Rank: #5713
Start → 5K
6:44/mi
20:55 split
10K· 6.21 mi
41:49
Rank: #5653 (+60)
5K → 10K
6:44/mi
20:54 split
15K· 9.32 mi
1:02:40
Rank: #5482 (+171)
10K → 15K
6:43/mi
20:51 split
20K· 12.43 mi
1:23:35
Rank: #5225 (+257)
15K → 20K
6:44/mi
20:55 split
Half· 13.11 mi
1:28:08
Rank: #5189 (+36)
20K → Half
6:40/mi
4:33 split
25K· 15.53 mi
1:44:27
Rank: #5010 (+179)
Half → 25K
6:44/mi
16:19 split
30K· 18.64 mi
2:05:40
Rank: #4660 (+350)
25K → 30K
6:50/mi
21:13 split
20M
2:14:56
Rank: #4480 (+180)
30K → 20M
6:49/mi
9:16 split
21M
2:22:02
Rank: #4296 (+184)
20M → 21M
7:06/mi
7:06 split
35K· 21.75 mi
2:26:55
Rank: #4202 (+94)
21M → 35K
6:32/mi
4:53 split
23M
2:35:18
Rank: #4033 (+169)
35K → 23M
6:42/mi
8:23 split
24M
2:41:55
Rank: #3934 (+99)
23M → 24M
6:37/mi
6:37 split
40K· 24.85 mi
2:47:43
Rank: #3855 (+79)
24M → 40K
6:47/mi
5:48 split
25.2M
2:50:17
Rank: #3814 (+41)
40K → 25.2M
7:27/mi
2:34 split
Finish· 26.22 mi
2:57:03
Rank: #3755 (+59)
25.2M → Finish
6:38/mi
6:46 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:08
Pace6:43 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:55
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1420:556:4420:55
6:44
-
10K
6.21 mi10:45:0841:496:4420:54
6:44
0:00
15K
9.32 mi11:05:591:02:406:4320:51
6:43
-0:01
20K
12.43 mi11:26:541:23:356:4420:55
6:44
+0:01
Half
13.11 mi11:31:271:28:086:434:33
6:40
-0:04
25K
15.53 mi11:47:461:44:276:4316:19
6:44
+0:04
30K
18.64 mi12:08:592:05:406:4421:13
6:50
+0:06
20M
20.00 mi12:18:152:14:566:459:16
6:49
-0:01
21M
21.00 mi12:25:212:22:026:467:06
7:06
+0:17
35K
21.75 mi12:30:142:26:556:454:53
6:32
-0:34
23M
23.00 mi12:38:372:35:186:458:23
6:42
+0:10
24M
24.00 mi12:45:142:41:556:456:37
6:37
-0:05
40K
24.85 mi12:51:022:47:436:455:48
6:47
+0:10
25.2M
25.20 mi12:53:362:50:176:452:34
7:27
+0:40
Finish
26.22 mi13:00:222:57:036:456:46
6:38
-0:49

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

6:32 /mi

Average Pace

6:45 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:29

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:24:1420:556:4420:55
6:44
#5713
10K
6.21 mi10:45:0841:496:4420:54
6:44
#5653
15K
9.32 mi11:05:591:02:406:4320:51
6:43
#5482
20K
12.43 mi11:26:541:23:356:4420:55
6:44
#5225
Half
13.11 mi11:31:271:28:086:434:33
6:40
#5189
25K
15.53 mi11:47:461:44:276:4316:19
6:44
#5010
30K
18.64 mi12:08:592:05:406:4421:13
6:50
#4660
20M
20.00 mi12:18:152:14:566:459:16
6:49
#4480
21M
21.00 mi12:25:212:22:026:467:06
7:06
#4296
35K
21.75 mi12:30:142:26:556:454:53
6:32
#4202
23M
23.00 mi12:38:372:35:186:458:23
6:42
#4033
24M
24.00 mi12:45:142:41:556:456:37
6:37
#3934
40K
24.85 mi12:51:022:47:436:455:48
6:47
#3855
25.2M
25.20 mi12:53:362:50:176:452:34
7:27
#3814
Finish
26.22 mi13:00:222:57:036:456:46
6:38
#3755
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5713527552755159(Top 18%)4772(Top 30%)4772(Top 200%)
10K6.21 mi3.10 mi5653+605221+545221+545569(Top 20%)5118(Top 32%)5118(Top 215%)
15K9.32 mi3.11 mi5482+1715067+1545067+1545159(Top 18%)4772(Top 30%)4772(Top 200%)
20K12.43 mi3.11 mi5225+2574840+2274840+2274705(Top 17%)4359(Top 27%)4359(Top 183%)
Half13.11 mi0.68 mi5189+364812+284812+284926(Top 17%)4555(Top 28%)4555(Top 191%)
25K15.53 mi2.42 mi5010+1794647+1654647+1654328(Top 15%)4010(Top 25%)4010(Top 168%)
30K18.64 mi3.11 mi4660+3504330+3174330+3173619(Top 13%)3353(Top 21%)3353(Top 141%)
20M20.00 mi1.36 mi4480+1804166+1644166+1643036(Top 11%)2826(Top 18%)2826(Top 118%)
21M21.00 mi1.00 mi4296+1843998+1683998+1682665(Top 9%)2475(Top 15%)2475(Top 104%)
35K21.75 mi0.75 mi4202+943914+843914+842597(Top 9%)2416(Top 15%)2416(Top 101%)
23M23.00 mi1.25 mi4033+1693754+1603754+1602236(Top 8%)2087(Top 13%)2087(Top 87%)
24M24.00 mi1.00 mi3934+993658+963658+962555(Top 9%)2349(Top 15%)2349(Top 98%)
40K24.85 mi0.85 mi3855+793580+783580+782755(Top 10%)2499(Top 16%)2499(Top 105%)
25.2M25.20 mi0.35 mi3814+413544+363544+363114(Top 11%)2755(Top 17%)2755(Top 115%)
Finish26.22 mi1.02 mi3755+593488+563488+563536(Top 12%)3083(Top 19%)3083(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5159

Males

4772

M45-49

4772

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5569

Males

5118

M45-49

5118

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5159

Males

4772

M45-49

4772

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4705

Males

4359

M45-49

4359

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4926

Males

4555

M45-49

4555

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4328

Males

4010

M45-49

4010

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3619

Males

3353

M45-49

3353

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3036

Males

2826

M45-49

2826

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2665

Males

2475

M45-49

2475

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2597

Males

2416

M45-49

2416

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2236

Males

2087

M45-49

2087

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2555

Males

2349

M45-49

2349

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2755

Males

2499

M45-49

2499

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3114

Males

2755

M45-49

2755

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3536

Males

3083

M45-49

3083

Passing Analysis

Category:
Athletes Passed
2318
Passed By
360
Net Change
+1958
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5713
5K → 10K213153+60#5713#5653
10K → 15K22049+171#5653#5482
15K → 20K27720+257#5482#5225
20K → Half5216+36#5225#5189
Half → 25K20526+179#5189#5010
25K → 30K37626+350#5010#4660
30K → 20M1855+180#4660#4480
20M → 21M1906+184#4480#4296
21M → 35K1006+94#4296#4202
35K → 23M1734+169#4202#4033
23M → 24M1089+99#4033#3934
24M → 40K8910+79#3934#3855
40K → 25.2M465+41#3855#3814
25.2M → Finish8425+59#3814#3755
TOTALS2318360+1958
📊

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