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BOSTON MARATHON 2025

David Shrekenhamer

Bib: 6045•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
Masters (Masters Men)
#0 / 10463
Top 19%
Division (M40-44)
#0 / 2247
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #6151
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
41:50
Rank: #5679 (+472)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:56
Rank: #5719 (-40)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:00
Rank: #5563 (+156)
15K → 20K
21:04 | 6:47/mi
Half· 13.11 mi
1:28:28
Rank: #5470 (+93)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:45:05
Rank: #5401 (+69)
Half → 25K
16:37 | 6:51/mi
30K· 18.64 mi
2:06:36
Rank: #5082 (+319)
25K → 30K
21:31 | 6:56/mi
20M
2:16:16
Rank: #5037 (+45)
30K → 20M
9:40 | 7:07/mi
21M
2:24:45
Rank: #5381 (-344)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:29:59
Rank: #5345 (+36)
21M → 35K
5:14 | 7:00/mi
23M
2:39:01
Rank: #5276 (+69)
35K → 23M
9:02 | 7:13/mi
24M
2:47:00
Rank: #5452 (-176)
23M → 24M
7:59 | 7:59/mi
40K· 24.85 mi
2:55:37
Rank: #5977 (-525)
24M → 40K
8:37 | 10:05/mi
25.2M
2:58:06
Rank: #5883 (+94)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
3:06:19
Rank: #6071 (-188)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:28
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:37:51
Pace7:28 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:3021:046:4721:04
6:47
-
10K
6.21 mi10:47:1641:506:4420:46
6:41
-0:06
15K
9.32 mi11:08:221:02:566:4521:06
6:47
+0:06
20K
12.43 mi11:29:261:24:006:4621:04
6:47
0:00
Half
13.11 mi11:33:541:28:286:454:28
6:33
-0:14
25K
15.53 mi11:50:311:45:056:4616:37
6:51
+0:18
30K
18.64 mi12:12:022:06:366:4721:31
6:56
+0:05
20M
20.00 mi12:21:422:16:166:499:40
7:07
+0:11
21M
21.00 mi12:30:112:24:456:548:29
8:29
+1:22
35K
21.75 mi12:35:252:29:596:545:14
7:00
-1:29
23M
23.00 mi12:44:272:39:016:559:02
7:13
+0:13
24M
24.00 mi12:52:262:47:006:587:59
7:59
+0:46
40K
24.85 mi13:01:032:55:377:048:37
10:05
+2:06
25.2M
25.20 mi13:03:322:58:067:042:29
7:12
-2:53
Finish
26.22 mi13:11:453:06:197:078:13
8:04
+0:52

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

6:33 /mi

Average Pace

7:07 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:33:01

82% of race

Time at Slower Pace

33:18

18% of race

Average Pace: 7:06 /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 mi10:26:3021:046:4721:04
6:47
#6151
10K
6.21 mi10:47:1641:506:4420:46
6:41
#5679
15K
9.32 mi11:08:221:02:566:4521:06
6:47
#5719
20K
12.43 mi11:29:261:24:006:4621:04
6:47
#5563
Half
13.11 mi11:33:541:28:286:454:28
6:33
#5470
25K
15.53 mi11:50:311:45:056:4616:37
6:51
#5401
30K
18.64 mi12:12:022:06:366:4721:31
6:56
#5082
20M
20.00 mi12:21:422:16:166:499:40
7:07
#5037
21M
21.00 mi12:30:112:24:456:548:29
8:29
#5381
35K
21.75 mi12:35:252:29:596:545:14
7:00
#5345
23M
23.00 mi12:44:272:39:016:559:02
7:13
#5276
24M
24.00 mi12:52:262:47:006:587:59
7:59
#5452
40K
24.85 mi13:01:032:55:377:048:37
10:05
#5977
25.2M
25.20 mi13:03:322:58:067:042:29
7:12
#5883
Finish
26.22 mi13:11:453:06:197:078:13
8:04
#6071
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6151564156415995(Top 21%)5449(Top 34%)5449(Top 243%)
10K6.21 mi3.10 mi5679+4725246+3955246+3955201(Top 18%)4830(Top 30%)4830(Top 215%)
15K9.32 mi3.11 mi5719-405265-195265-195995(Top 21%)5449(Top 34%)5449(Top 243%)
20K12.43 mi3.11 mi5563+1565122+1435122+1435110(Top 18%)4712(Top 29%)4712(Top 210%)
Half13.11 mi0.68 mi5470+935044+785044+784008(Top 14%)3772(Top 23%)3772(Top 168%)
25K15.53 mi2.42 mi5401+694973+714973+715297(Top 19%)4844(Top 30%)4844(Top 216%)
30K18.64 mi3.11 mi5082+3194680+2934680+2934250(Top 15%)3903(Top 24%)3903(Top 174%)
20M20.00 mi1.36 mi5037+454638+424638+424739(Top 17%)4280(Top 27%)4280(Top 190%)
21M21.00 mi1.00 mi5381-3444919-2814919-28110302(Top 36%)7499(Top 47%)7499(Top 334%)
35K21.75 mi0.75 mi5345+364885+344885+345302(Top 19%)4584(Top 28%)4584(Top 204%)
23M23.00 mi1.25 mi5276+694810+754810+754953(Top 17%)4279(Top 27%)4279(Top 190%)
24M24.00 mi1.00 mi5452-1764945-1354945-13511064(Top 39%)7688(Top 48%)7688(Top 342%)
40K24.85 mi0.85 mi5977-5255329-3845329-38420682(Top 73%)12122(Top 75%)12122(Top 539%)
25.2M25.20 mi0.35 mi5883+945254+755254+752154(Top 8%)1943(Top 12%)1943(Top 86%)
Finish26.22 mi1.02 mi6071-1885367-1135367-11313262(Top 47%)8628(Top 54%)8628(Top 384%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5995

Males

5449

M40-44

5449

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5201

Males

4830

M40-44

4830

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5995

Males

5449

M40-44

5449

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5110

Males

4712

M40-44

4712

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

4008

Males

3772

M40-44

3772

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5297

Males

4844

M40-44

4844

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4250

Males

3903

M40-44

3903

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4739

Males

4280

M40-44

4280

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10302

Males

7499

M40-44

7499

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5302

Males

4584

M40-44

4584

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4953

Males

4279

M40-44

4279

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11064

Males

7688

M40-44

7688

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20682

Males

12122

M40-44

12122

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2154

Males

1943

M40-44

1943

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13262

Males

8628

M40-44

8628

Passing Analysis

Category:
Athletes Passed
1830
Passed By
1750
Net Change
+80
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6151
5K → 10K50331+472#6151#5679
10K → 15K109149-40#5679#5719
15K → 20K21559+156#5719#5563
20K → Half952+93#5563#5470
Half → 25K14071+69#5470#5401
25K → 30K34829+319#5401#5082
30K → 20M9247+45#5082#5037
20M → 21M19363-344#5037#5381
21M → 35K6125+36#5381#5345
35K → 23M11546+69#5345#5276
23M → 24M11187-176#5276#5452
24M → 40K5530-525#5452#5977
40K → 25.2M940+94#5977#5883
25.2M → Finish23211-188#5883#6071
TOTALS18301750+80
📊

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