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BOSTON MARATHON 2025

Jeffrey Stammen

Bib: 7047•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 7%
Division (M40-44)
#0 / 2247
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #6813
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:28
Rank: #6612 (+201)
5K → 10K
21:08 | 6:48/mi
15K· 9.32 mi
1:03:33
Rank: #6378 (+234)
10K → 15K
21:05 | 6:47/mi
20K· 12.43 mi
1:24:23
Rank: #5853 (+525)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:28:50
Rank: #5741 (+112)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:45:10
Rank: #5460 (+281)
Half → 25K
16:20 | 6:44/mi
30K· 18.64 mi
2:06:22
Rank: #4991 (+469)
25K → 30K
21:12 | 6:49/mi
20M
2:15:28
Rank: #4733 (+258)
30K → 20M
9:06 | 6:42/mi
21M
2:22:20
Rank: #4436 (+297)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:26:58
Rank: #4219 (+217)
21M → 35K
4:38 | 6:12/mi
23M
2:35:10
Rank: #3998 (+221)
35K → 23M
8:12 | 6:33/mi
24M
2:41:28
Rank: #3798 (+200)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:46:59
Rank: #3647 (+151)
24M → 40K
5:31 | 6:27/mi
25.2M
2:49:25
Rank: #3580 (+67)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:55:45
Rank: #3421 (+159)
25.2M → Finish
6:20 | 6:13/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:50
Pace6:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:55
Pace6:38 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:3321:206:5221:20
6:52
-
10K
6.21 mi10:49:4142:286:5021:08
6:48
-0:04
15K
9.32 mi11:10:461:03:336:4921:05
6:47
-0:01
20K
12.43 mi11:31:361:24:236:4720:50
6:42
-0:05
Half
13.11 mi11:36:031:28:506:474:27
6:31
-0:11
25K
15.53 mi11:52:231:45:106:4616:20
6:44
+0:13
30K
18.64 mi12:13:352:06:226:4721:12
6:49
+0:05
20M
20.00 mi12:22:412:15:286:469:06
6:42
-0:07
21M
21.00 mi12:29:332:22:206:476:52
6:52
+0:10
35K
21.75 mi12:34:112:26:586:454:38
6:12
-0:40
23M
23.00 mi12:42:232:35:106:458:12
6:33
+0:21
24M
24.00 mi12:48:412:41:286:446:18
6:18
-0:15
40K
24.85 mi12:54:122:46:596:435:31
6:27
+0:09
25.2M
25.20 mi12:56:382:49:256:432:26
7:03
+0:36
Finish
26.22 mi13:02:582:55:456:426:20
6:13
-0:50

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

6:12 /mi

Average Pace

6:42 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:07

83% of race

Time at Steady Pace

30:38

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:28:3321:206:5221:20
6:52
#6813
10K
6.21 mi10:49:4142:286:5021:08
6:48
#6612
15K
9.32 mi11:10:461:03:336:4921:05
6:47
#6378
20K
12.43 mi11:31:361:24:236:4720:50
6:42
#5853
Half
13.11 mi11:36:031:28:506:474:27
6:31
#5741
25K
15.53 mi11:52:231:45:106:4616:20
6:44
#5460
30K
18.64 mi12:13:352:06:226:4721:12
6:49
#4991
20M
20.00 mi12:22:412:15:286:469:06
6:42
#4733
21M
21.00 mi12:29:332:22:206:476:52
6:52
#4436
35K
21.75 mi12:34:112:26:586:454:38
6:12
#4219
23M
23.00 mi12:42:232:35:106:458:12
6:33
#3998
24M
24.00 mi12:48:412:41:286:446:18
6:18
#3798
40K
24.85 mi12:54:122:46:596:435:31
6:27
#3647
25.2M
25.20 mi12:56:382:49:256:432:26
7:03
#3580
Finish
26.22 mi13:02:582:55:456:426:20
6:13
#3421
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6813616461645945(Top 21%)5411(Top 34%)5411(Top 241%)
10K6.21 mi3.10 mi6612+2015998+1665998+1666403(Top 23%)5803(Top 36%)5803(Top 258%)
15K9.32 mi3.11 mi6378+2345808+1905808+1905945(Top 21%)5411(Top 34%)5411(Top 241%)
20K12.43 mi3.11 mi5853+5255366+4425366+4424487(Top 16%)4182(Top 26%)4182(Top 186%)
Half13.11 mi0.68 mi5741+1125269+975269+973861(Top 14%)3641(Top 23%)3641(Top 162%)
25K15.53 mi2.42 mi5460+2815021+2485021+2484387(Top 15%)4065(Top 25%)4065(Top 181%)
30K18.64 mi3.11 mi4991+4694606+4154606+4153598(Top 13%)3335(Top 21%)3335(Top 148%)
20M20.00 mi1.36 mi4733+2584385+2214385+2212470(Top 9%)2331(Top 14%)2331(Top 104%)
21M21.00 mi1.00 mi4436+2974117+2684117+2681781(Top 6%)1682(Top 10%)1682(Top 75%)
35K21.75 mi0.75 mi4219+2173927+1903927+1901231(Top 4%)1162(Top 7%)1162(Top 52%)
23M23.00 mi1.25 mi3998+2213723+2043723+2041654(Top 6%)1547(Top 10%)1547(Top 69%)
24M24.00 mi1.00 mi3798+2003547+1763547+1761329(Top 5%)1244(Top 8%)1244(Top 55%)
40K24.85 mi0.85 mi3647+1513406+1413406+1411469(Top 5%)1363(Top 8%)1363(Top 61%)
25.2M25.20 mi0.35 mi3580+673342+643342+641710(Top 6%)1567(Top 10%)1567(Top 70%)
Finish26.22 mi1.02 mi3421+1593200+1423200+1421587(Top 6%)1476(Top 9%)1476(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5945

Males

5411

M40-44

5411

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6403

Males

5803

M40-44

5803

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5945

Males

5411

M40-44

5411

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4487

Males

4182

M40-44

4182

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3861

Males

3641

M40-44

3641

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4387

Males

4065

M40-44

4065

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3598

Males

3335

M40-44

3335

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2470

Males

2331

M40-44

2331

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1781

Males

1682

M40-44

1682

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1231

Males

1162

M40-44

1162

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1654

Males

1547

M40-44

1547

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1329

Males

1244

M40-44

1244

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1469

Males

1363

M40-44

1363

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1710

Males

1567

M40-44

1567

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1587

Males

1476

M40-44

1476

Passing Analysis

Category:
Athletes Passed
3579
Passed By
187
Net Change
+3392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6813
5K → 10K309108+201#6813#6612
10K → 15K28753+234#6612#6378
15K → 20K5305+525#6378#5853
20K → Half1120+112#5853#5741
Half → 25K29110+281#5741#5460
25K → 30K4723+469#5460#4991
30K → 20M2580+258#4991#4733
20M → 21M2981+297#4733#4436
21M → 35K2170+217#4436#4219
35K → 23M2221+221#4219#3998
23M → 24M2011+200#3998#3798
24M → 40K1521+151#3798#3647
40K → 25.2M692+67#3647#3580
25.2M → Finish1612+159#3580#3421
TOTALS3579187+3392
📊

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