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BOSTON MARATHON 2025

Mark Bakker

Bib: 9499•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 30%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:29
Rank: #9773
Start → 5K
22:29 | 7:14/mi
10K· 6.21 mi
44:51
Rank: #9603 (+170)
5K → 10K
22:22 | 7:12/mi
15K· 9.32 mi
1:07:20
Rank: #9526 (+77)
10K → 15K
22:29 | 7:14/mi
20K· 12.43 mi
1:30:07
Rank: #9422 (+104)
15K → 20K
22:47 | 7:20/mi
Half· 13.11 mi
1:35:04
Rank: #9413 (+9)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:52:50
Rank: #9249 (+164)
Half → 25K
17:46 | 7:20/mi
30K· 18.64 mi
2:16:18
Rank: #8942 (+307)
25K → 30K
23:28 | 7:33/mi
20M
2:26:48
Rank: #8865 (+77)
30K → 20M
10:30 | 7:44/mi
21M
2:34:51
Rank: #8754 (+111)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:40:31
Rank: #8749 (+5)
21M → 35K
5:40 | 7:34/mi
23M
2:50:12
Rank: #8646 (+103)
35K → 23M
9:41 | 7:44/mi
24M
2:57:43
Rank: #8568 (+78)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:04:11
Rank: #8452 (+116)
24M → 40K
6:28 | 7:34/mi
25.2M
3:07:02
Rank: #8410 (+42)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:14:08
Rank: #8266 (+144)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:04
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:39:04
Pace7:33 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3322:297:1422:29
7:14
-
10K
6.21 mi11:13:5544:517:1322:22
7:12
-0:02
15K
9.32 mi11:36:241:07:207:1322:29
7:14
+0:02
20K
12.43 mi11:59:111:30:077:1522:47
7:20
+0:06
Half
13.11 mi12:04:081:35:047:154:57
7:15
-0:05
25K
15.53 mi12:21:541:52:507:1617:46
7:20
+0:05
30K
18.64 mi12:45:222:16:187:1923:28
7:33
+0:13
20M
20.00 mi12:55:522:26:487:2010:30
7:44
+0:11
21M
21.00 mi13:03:552:34:517:228:03
8:03
+0:19
35K
21.75 mi13:09:352:40:317:235:40
7:34
-0:29
23M
23.00 mi13:19:162:50:127:249:41
7:44
+0:10
24M
24.00 mi13:26:472:57:437:247:31
7:31
-0:13
40K
24.85 mi13:33:153:04:117:256:28
7:34
+0:03
25.2M
25.20 mi13:36:063:07:027:252:51
8:16
+0:42
Finish
26.22 mi13:43:123:14:087:257:06
6:58
-1:18

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

6:58 /mi

Average Pace

7:25 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:03

84% of race

Time at Steady Pace

28:14

15% of race

Time at Slower Pace

2:51

1% of race

Average Pace: 7:24 /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 mi10:51:3322:297:1422:29
7:14
#9773
10K
6.21 mi11:13:5544:517:1322:22
7:12
#9603
15K
9.32 mi11:36:241:07:207:1322:29
7:14
#9526
20K
12.43 mi11:59:111:30:077:1522:47
7:20
#9422
Half
13.11 mi12:04:081:35:047:154:57
7:15
#9413
25K
15.53 mi12:21:541:52:507:1617:46
7:20
#9249
30K
18.64 mi12:45:222:16:187:1923:28
7:33
#8942
20M
20.00 mi12:55:522:26:487:2010:30
7:44
#8865
21M
21.00 mi13:03:552:34:517:228:03
8:03
#8754
35K
21.75 mi13:09:352:40:317:235:40
7:34
#8749
23M
23.00 mi13:19:162:50:127:249:41
7:44
#8646
24M
24.00 mi13:26:472:57:437:247:31
7:31
#8568
40K
24.85 mi13:33:153:04:117:256:28
7:34
#8452
25.2M
25.20 mi13:36:063:07:027:252:51
8:16
#8410
Finish
26.22 mi13:43:123:14:087:257:06
6:58
#8266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi9773804680469420(Top 33%)7778(Top 48%)7778(Top 346%)
10K6.21 mi3.10 mi9603+1707964+827964+829468(Top 33%)7856(Top 49%)7856(Top 350%)
15K9.32 mi3.11 mi9526+777887+777887+779420(Top 33%)7778(Top 48%)7778(Top 346%)
20K12.43 mi3.11 mi9422+1047790+977790+979295(Top 33%)7622(Top 47%)7622(Top 339%)
Half13.11 mi0.68 mi9413+97778+127778+129522(Top 34%)7757(Top 48%)7757(Top 345%)
25K15.53 mi2.42 mi9249+1647662+1167662+1168565(Top 30%)7087(Top 44%)7087(Top 315%)
30K18.64 mi3.11 mi8942+3077428+2347428+2348106(Top 29%)6650(Top 41%)6650(Top 296%)
20M20.00 mi1.36 mi8865+777361+677361+678512(Top 30%)6730(Top 42%)6730(Top 300%)
21M21.00 mi1.00 mi8754+1117264+977264+977624(Top 27%)6042(Top 38%)6042(Top 269%)
35K21.75 mi0.75 mi8749+57237+277237+279124(Top 32%)6914(Top 43%)6914(Top 308%)
23M23.00 mi1.25 mi8646+1037135+1027135+1028088(Top 28%)6213(Top 39%)6213(Top 277%)
24M24.00 mi1.00 mi8568+787058+777058+777812(Top 28%)6006(Top 37%)6006(Top 267%)
40K24.85 mi0.85 mi8452+1166950+1086950+1087174(Top 25%)5535(Top 34%)5535(Top 246%)
25.2M25.20 mi0.35 mi8410+426905+456905+457418(Top 26%)5583(Top 35%)5583(Top 248%)
Finish26.22 mi1.02 mi8266+1446788+1176788+1175519(Top 19%)4443(Top 28%)4443(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9420

Males

7778

M40-44

7778

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9468

Males

7856

M40-44

7856

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9420

Males

7778

M40-44

7778

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9295

Males

7622

M40-44

7622

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9522

Males

7757

M40-44

7757

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8565

Males

7087

M40-44

7087

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8106

Males

6650

M40-44

6650

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8512

Males

6730

M40-44

6730

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7624

Males

6042

M40-44

6042

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9124

Males

6914

M40-44

6914

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

8088

Males

6213

M40-44

6213

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7812

Males

6006

M40-44

6006

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7174

Males

5535

M40-44

5535

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7418

Males

5583

M40-44

5583

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5519

Males

4443

M40-44

4443

Passing Analysis

Category:
Athletes Passed
2370
Passed By
862
Net Change
+1507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9773
5K → 10K321150+170#9773#9603
10K → 15K203126+77#9603#9526
15K → 20K232128+104#9526#9422
20K → Half3122+9#9422#9413
Half → 25K22258+164#9413#9249
25K → 30K38578+307#9249#8942
30K → 20M13659+77#8942#8865
20M → 21M15140+111#8865#8754
21M → 35K5954+5#8754#8749
35K → 23M15855+103#8749#8646
23M → 24M12042+78#8646#8568
24M → 40K13620+116#8568#8452
40K → 25.2M5715+42#8452#8410
25.2M → Finish15915+144#8410#8266
TOTALS2370862+1507
📊

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