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BOSTON MARATHON 2025

Samuel Johnson

Bib: 10730•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 38%
Division (M55-59)
#0 / 1648
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:30/mi
23:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:08:59
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:31:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:36:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:54:46
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:18:56
↑ 181↓ 1480.2%
20M
8:01/mi
2:29:50
↑ 64↓ 500.2%
21M
8:12/mi
2:38:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:44:10
↑ 17↓ 861.7%
23M
8:10/mi
2:54:24
↑ 23↓ 630.6%
24M
7:54/mi
3:02:18
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:09:29
↓ 200.3%
25.2M
8:36/mi
3:12:27
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:20:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:51
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:43:24
Pace7:53 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2823:187:3023:18
7:30
-
10K
6.21 mi11:13:2846:187:2723:00
7:24
-0:06
15K
9.32 mi11:36:091:08:597:2422:41
7:18
-0:06
20K
12.43 mi11:59:041:31:547:2422:55
7:23
+0:05
Half
13.11 mi12:04:011:36:517:234:57
7:15
-0:08
25K
15.53 mi12:21:561:54:467:2317:55
7:23
+0:08
30K
18.64 mi12:46:062:18:567:2724:10
7:47
+0:24
20M
20.00 mi12:57:002:29:507:2910:54
8:01
+0:14
21M
21.00 mi13:05:122:38:027:328:12
8:12
+0:11
35K
21.75 mi13:11:202:44:107:336:08
8:12
0:00
23M
23.00 mi13:21:342:54:247:3510:14
8:10
-0:02
24M
24.00 mi13:29:283:02:187:367:54
7:54
-0:16
40K
24.85 mi13:36:393:09:297:377:11
8:24
+0:30
25.2M
25.20 mi13:39:373:12:277:382:58
8:36
+0:12
Finish
26.22 mi13:47:253:20:157:397:48
7:39
-0:57

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

7:15 /mi

Average Pace

7:39 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:38

77% of race

Time at Steady Pace

42:39

21% of race

Time at Slower Pace

2:58

1% of race

Average Pace: 7:38 /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 mi10:50:2823:187:3023:18
7:30
#12229
10K
6.21 mi11:13:2846:187:2723:00
7:24
#11696
15K
9.32 mi11:36:091:08:597:2422:41
7:18
#11066
20K
12.43 mi11:59:041:31:547:2422:55
7:23
#10710
Half
13.11 mi12:04:011:36:517:234:57
7:15
#10644
25K
15.53 mi12:21:561:54:467:2317:55
7:23
#10337
30K
18.64 mi12:46:062:18:567:2724:10
7:47
#10177
20M
20.00 mi12:57:002:29:507:2910:54
8:01
#10164
21M
21.00 mi13:05:122:38:027:328:12
8:12
#10040
35K
21.75 mi13:11:202:44:107:336:08
8:12
#10167
23M
23.00 mi13:21:342:54:247:3510:14
8:10
#10214
24M
24.00 mi13:29:283:02:187:367:54
7:54
#10188
40K
24.85 mi13:36:393:09:297:377:11
8:24
#10267
25.2M
25.20 mi13:39:373:12:277:382:58
8:36
#10238
Finish
26.22 mi13:47:253:20:157:397:48
7:39
#10224
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi12229927292729990(Top 35%)8075(Top 50%)8075(Top 490%)
10K6.21 mi3.10 mi11696+5339017+2559017+25511197(Top 39%)8748(Top 54%)8748(Top 531%)
15K9.32 mi3.11 mi11066+6308683+3348683+3349990(Top 35%)8075(Top 50%)8075(Top 490%)
20K12.43 mi3.11 mi10710+3568482+2018482+2019682(Top 34%)7837(Top 49%)7837(Top 476%)
Half13.11 mi0.68 mi10644+668450+328450+329569(Top 34%)7804(Top 48%)7804(Top 474%)
25K15.53 mi2.42 mi10337+3078250+2008250+2009066(Top 32%)7382(Top 46%)7382(Top 448%)
30K18.64 mi3.11 mi10177+1608101+1498101+1499757(Top 34%)7563(Top 47%)7563(Top 459%)
20M20.00 mi1.36 mi10164+138070+318070+3110563(Top 37%)7816(Top 49%)7816(Top 474%)
21M21.00 mi1.00 mi10040+1247961+1097961+1098537(Top 30%)6545(Top 41%)6545(Top 397%)
35K21.75 mi0.75 mi10167-1277995-347995-3413693(Top 48%)9118(Top 57%)9118(Top 553%)
23M23.00 mi1.25 mi10214-477969+267969+2611183(Top 39%)7835(Top 49%)7835(Top 475%)
24M24.00 mi1.00 mi10188+267926+437926+4310517(Top 37%)7430(Top 46%)7430(Top 451%)
40K24.85 mi0.85 mi10267-797929-37929-312764(Top 45%)8405(Top 52%)8405(Top 510%)
25.2M25.20 mi0.35 mi10238+297905+247905+249386(Top 33%)6638(Top 41%)6638(Top 403%)
Finish26.22 mi1.02 mi10224+147862+437862+4310326(Top 36%)7156(Top 44%)7156(Top 434%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9990

Males

8075

M55-59

8075

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11197

Males

8748

M55-59

8748

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9990

Males

8075

M55-59

8075

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9682

Males

7837

M55-59

7837

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9569

Males

7804

M55-59

7804

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

9066

Males

7382

M55-59

7382

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9757

Males

7563

M55-59

7563

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10563

Males

7816

M55-59

7816

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8537

Males

6545

M55-59

6545

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13693

Males

9118

M55-59

9118

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11183

Males

7835

M55-59

7835

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10517

Males

7430

M55-59

7430

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12764

Males

8405

M55-59

8405

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9386

Males

6638

M55-59

6638

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10326

Males

7156

M55-59

7156

Passing Analysis

Category:
Athletes Passed
3077
Passed By
1070
Net Change
+2005
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12229
5K → 10K61380+533#12229#11696
10K → 15K64616+630#11696#11066
15K → 20K38529+356#11066#10710
20K → Half748+66#10710#10644
Half → 25K33326+307#10644#10337
25K → 30K310149+160#10337#10177
30K → 20M124111+13#10177#10164
20M → 21M17854+124#10164#10040
21M → 35K40166-127#10040#10167
35K → 23M88135-47#10167#10214
23M → 24M9266+26#10214#10188
24M → 40K57136-79#10188#10267
40K → 25.2M5526+29#10267#10238
25.2M → Finish8268+14#10238#10224
TOTALS30771070+2005
📊

Passing Visuals

Category:
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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