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BOSTON MARATHON 2025

Dan Mcnamara

Bib: 29836•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
9:47/mi
30:24
↑ 97↓ 3451.5%
10K· 6.21 mi
9:46/mi
1:00:46
↑ 79↓ 1380.4%
15K· 9.32 mi
9:55/mi
1:31:34
↑ 67↓ 78
20K· 12.43 mi
9:53/mi
2:02:16
↑ 106↓ 860.1%
Half· 13.11 mi
9:35/mi
2:08:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:00/mi
2:33:03
↑ 66↓ 880.2%
30K· 18.64 mi
10:26/mi
3:05:27
↑ 181↓ 1480.2%
20M
11:08/mi
3:20:35
↑ 64↓ 500.2%
21M
13:24/mi
3:33:59
↑ 106↓ 241.6%
35K· 21.75 mi
13:41/mi
3:44:13
↑ 17↓ 861.7%
23M
15:54/mi
4:04:08
↑ 23↓ 630.6%
24M
12:12/mi
4:16:20
↓ 821.3%
40K· 24.85 mi
13:45/mi
4:28:05
↓ 200.3%
25.2M
11:27/mi
4:32:02
↑ 13↓ 160.2%
Finish· 26.22 mi
9:38/mi
4:41:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:48
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:33:03
Pace11:41 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3330:249:4730:24
9:47
-
10K
6.21 mi12:19:551:00:469:4730:22
9:46
-0:01
15K
9.32 mi12:50:431:31:349:4930:48
9:55
+0:09
20K
12.43 mi13:21:252:02:169:5030:42
9:53
-0:02
Half
13.11 mi13:27:572:08:489:496:32
9:35
-0:18
25K
15.53 mi13:52:122:33:039:5124:15
10:00
+0:25
30K
18.64 mi14:24:363:05:279:5732:24
10:26
+0:26
20M
20.00 mi14:39:443:20:3510:0215:08
11:08
+0:42
21M
21.00 mi14:53:083:33:5910:1113:24
13:24
+2:16
35K
21.75 mi15:03:223:44:1310:1910:14
13:41
+0:17
23M
23.00 mi15:23:174:04:0810:3719:55
15:54
+2:13
24M
24.00 mi15:35:294:16:2010:4112:12
12:12
-3:42
40K
24.85 mi15:47:144:28:0510:4711:45
13:45
+1:33
25.2M
25.20 mi15:51:114:32:0210:483:57
11:27
-2:18
Finish
26.22 mi16:01:004:41:5110:459:49
9:38
-1:49

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

9:35 /mi

Average Pace

10:45 /mi

Slowest Pace

15:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:30:24

75% of race

Time at Slower Pace

1:11:27

25% of race

Average Pace: 10:45 /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 mi11:49:3330:249:4730:24
9:47
#25055
10K
6.21 mi12:19:551:00:469:4730:22
9:46
#24924
15K
9.32 mi12:50:431:31:349:4930:48
9:55
#24871
20K
12.43 mi13:21:252:02:169:5030:42
9:53
#24625
Half
13.11 mi13:27:572:08:489:496:32
9:35
#24586
25K
15.53 mi13:52:122:33:039:5124:15
10:00
#24375
30K
18.64 mi14:24:363:05:279:5732:24
10:26
#24098
20M
20.00 mi14:39:443:20:3510:0215:08
11:08
#24070
21M
21.00 mi14:53:083:33:5910:1113:24
13:24
#24201
35K
21.75 mi15:03:223:44:1310:1910:14
13:41
#24429
23M
23.00 mi15:23:174:04:0810:3719:55
15:54
#24913
24M
24.00 mi15:35:294:16:2010:4112:12
12:12
#24974
40K
24.85 mi15:47:144:28:0510:4711:45
13:45
#25089
25.2M
25.20 mi15:51:114:32:0210:483:57
11:27
#25039
Finish
26.22 mi16:01:004:41:5110:459:49
9:38
#24982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi25055147561475624811(Top 87%)14633(Top 91%)14633(Top 733%)
10K6.21 mi3.10 mi24924+13114673+8314673+8324787(Top 87%)14610(Top 91%)14610(Top 732%)
15K9.32 mi3.11 mi24871+5314655+1814655+1824811(Top 87%)14633(Top 91%)14633(Top 733%)
20K12.43 mi3.11 mi24625+24614529+12614529+12623965(Top 84%)14219(Top 88%)14219(Top 712%)
Half13.11 mi0.68 mi24586+3914504+2514504+2523788(Top 84%)14147(Top 88%)14147(Top 709%)
25K15.53 mi2.42 mi24375+21114393+11114393+11123260(Top 82%)13863(Top 86%)13863(Top 695%)
30K18.64 mi3.11 mi24098+27714258+13514258+13522769(Top 80%)13517(Top 84%)13517(Top 677%)
20M20.00 mi1.36 mi24070+2814216+4214216+4223860(Top 84%)13919(Top 86%)13919(Top 697%)
21M21.00 mi1.00 mi24201-13114267-5114267-5125557(Top 90%)14655(Top 91%)14655(Top 734%)
35K21.75 mi0.75 mi24429-22814359-9214359-9227483(Top 97%)15566(Top 97%)15566(Top 780%)
23M23.00 mi1.25 mi24913-48414568-20914568-20928130(Top 99%)15921(Top 99%)15921(Top 798%)
24M24.00 mi1.00 mi24974-6114584-1614584-1625918(Top 91%)14757(Top 92%)14757(Top 739%)
40K24.85 mi0.85 mi25089-11514631-4714631-4726974(Top 95%)15275(Top 95%)15275(Top 765%)
25.2M25.20 mi0.35 mi25039+5014599+3214599+3221938(Top 77%)12769(Top 79%)12769(Top 640%)
Finish26.22 mi1.02 mi24982+5714571+2814571+2821667(Top 76%)12621(Top 78%)12621(Top 632%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24811

Males

14633

M50-54

14633

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24787

Males

14610

M50-54

14610

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24811

Males

14633

M50-54

14633

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23965

Males

14219

M50-54

14219

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23788

Males

14147

M50-54

14147

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23260

Males

13863

M50-54

13863

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22769

Males

13517

M50-54

13517

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23860

Males

13919

M50-54

13919

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25557

Males

14655

M50-54

14655

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27483

Males

15566

M50-54

15566

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

28130

Males

15921

M50-54

15921

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

25918

Males

14757

M50-54

14757

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

26974

Males

15275

M50-54

15275

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21938

Males

12769

M50-54

12769

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21667

Males

12621

M50-54

12621

Passing Analysis

Category:
Athletes Passed
1537
Passed By
1464
Net Change
+73
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25055
5K → 10K260129+131#25055#24924
10K → 15K15097+53#24924#24871
15K → 20K26923+246#24871#24625
20K → Half478+39#24625#24586
Half → 25K22817+211#24586#24375
25K → 30K32346+277#24375#24098
30K → 20M9163+28#24098#24070
20M → 21M20151-131#24070#24201
21M → 35K5233-228#24201#24429
35K → 23M4488-484#24429#24913
23M → 24M1778-61#24913#24974
24M → 40K11126-115#24974#25089
40K → 25.2M500+50#25089#25039
25.2M → Finish625+57#25039#24982
TOTALS15371464+73
📊

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