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BOSTON MARATHON 2025

Robert Mcnamara

Bib: 29611•M

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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:49
Rank: #23481
Start → 5K
28:49 | 9:17/mi
10K· 6.21 mi
58:09
Rank: #23755 (-274)
5K → 10K
29:20 | 9:26/mi
15K· 9.32 mi
1:28:06
Rank: #23908 (-153)
10K → 15K
29:57 | 9:38/mi
20K· 12.43 mi
2:02:43
Rank: #24700 (-792)
15K → 20K
34:37 | 11:09/mi
Half· 13.11 mi
2:09:15
Rank: #24651 (+49)
20K → Half
6:32 | 9:35/mi
25K· 15.53 mi
2:33:36
Rank: #24474 (+177)
Half → 25K
24:21 | 10:03/mi
30K· 18.64 mi
3:05:31
Rank: #24111 (+363)
25K → 30K
31:55 | 10:16/mi
20M
3:19:36
Rank: #23956 (+155)
30K → 20M
14:05 | 10:22/mi
21M
3:31:27
Rank: #23904 (+52)
20M → 21M
11:51 | 11:51/mi
35K· 21.75 mi
3:38:42
Rank: #23794 (+110)
21M → 35K
7:15 | 9:41/mi
23M
3:51:46
Rank: #23678 (+116)
35K → 23M
13:04 | 10:26/mi
24M
4:03:03
Rank: #23739 (-61)
23M → 24M
11:17 | 11:17/mi
40K· 24.85 mi
4:12:49
Rank: #23744 (-5)
24M → 40K
9:46 | 11:25/mi
25.2M
4:17:01
Rank: #23748 (-4)
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:27:31
Rank: #23766 (-18)
25.2M → Finish
10:30 | 10:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:15
Pace9:52 /mi
2nd Half
Distance13.11 mi
Time2:18:16
Pace10:33 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3528:499:1728:49
9:17
-
10K
6.21 mi12:17:5558:099:2229:20
9:26
+0:09
15K
9.32 mi12:47:521:28:069:2729:57
9:38
+0:12
20K
12.43 mi13:22:292:02:439:5234:37
11:09
+1:31
Half
13.11 mi13:29:012:09:159:526:32
9:35
-1:34
25K
15.53 mi13:53:222:33:369:5324:21
10:03
+0:28
30K
18.64 mi14:25:173:05:319:5731:55
10:16
+0:13
20M
20.00 mi14:39:223:19:369:5914:05
10:22
+0:06
21M
21.00 mi14:51:133:31:2710:0411:51
11:51
+1:29
35K
21.75 mi14:58:283:38:4210:037:15
9:41
-2:10
23M
23.00 mi15:11:323:51:4610:0513:04
10:26
+0:45
24M
24.00 mi15:22:494:03:0310:0811:17
11:17
+0:51
40K
24.85 mi15:32:354:12:4910:109:46
11:25
+0:08
25.2M
25.20 mi15:36:474:17:0110:124:12
12:11
+0:46
Finish
26.22 mi15:47:174:27:3110:1310:30
10:18
-1:53

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

9:17 /mi

Average Pace

10:13 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:53

38% of race

Time at Steady Pace

1:33:55

35% of race

Time at Slower Pace

1:11:43

27% of race

Average Pace: 10:12 /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 mi11:48:3528:499:1728:49
9:17
#23481
10K
6.21 mi12:17:5558:099:2229:20
9:26
#23755
15K
9.32 mi12:47:521:28:069:2729:57
9:38
#23908
20K
12.43 mi13:22:292:02:439:5234:37
11:09
#24700
Half
13.11 mi13:29:012:09:159:526:32
9:35
#24651
25K
15.53 mi13:53:222:33:369:5324:21
10:03
#24474
30K
18.64 mi14:25:173:05:319:5731:55
10:16
#24111
20M
20.00 mi14:39:223:19:369:5914:05
10:22
#23956
21M
21.00 mi14:51:133:31:2710:0411:51
11:51
#23904
35K
21.75 mi14:58:283:38:4210:037:15
9:41
#23794
23M
23.00 mi15:11:323:51:4610:0513:04
10:26
#23678
24M
24.00 mi15:22:494:03:0310:0811:17
11:17
#23739
40K
24.85 mi15:32:354:12:4910:109:46
11:25
#23744
25.2M
25.20 mi15:36:474:17:0110:124:12
12:11
#23748
Finish
26.22 mi15:47:174:27:3110:1310:30
10:18
#23766
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23481139941399424119(Top 85%)14316(Top 89%)14316(Top 254%)
10K6.21 mi3.10 mi23755-27414138-14414138-14423954(Top 84%)14236(Top 88%)14236(Top 252%)
15K9.32 mi3.11 mi23908-15314220-8214220-8224119(Top 85%)14316(Top 89%)14316(Top 254%)
20K12.43 mi3.11 mi24700-79214564-34414564-34426209(Top 92%)15220(Top 95%)15220(Top 270%)
Half13.11 mi0.68 mi24651+4914542+2214542+2223772(Top 84%)14131(Top 88%)14131(Top 250%)
25K15.53 mi2.42 mi24474+17714443+9914443+9923366(Top 82%)13904(Top 86%)13904(Top 246%)
30K18.64 mi3.11 mi24111+36314261+18214261+18222371(Top 79%)13331(Top 83%)13331(Top 236%)
20M20.00 mi1.36 mi23956+15514169+9214169+9222050(Top 78%)13080(Top 81%)13080(Top 232%)
21M21.00 mi1.00 mi23904+5214128+4114128+4123308(Top 82%)13590(Top 84%)13590(Top 241%)
35K21.75 mi0.75 mi23794+11014068+6014068+6020979(Top 74%)12441(Top 77%)12441(Top 221%)
23M23.00 mi1.25 mi23678+11613994+7413994+7421836(Top 77%)12803(Top 79%)12803(Top 227%)
24M24.00 mi1.00 mi23739-6114007-1314007-1324528(Top 86%)14070(Top 87%)14070(Top 249%)
40K24.85 mi0.85 mi23744-513992+1513992+1523992(Top 84%)13769(Top 85%)13769(Top 244%)
25.2M25.20 mi0.35 mi23748-413993-113993-123559(Top 83%)13549(Top 84%)13549(Top 240%)
Finish26.22 mi1.02 mi23766-1813992+113992+123801(Top 84%)13670(Top 85%)13670(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24119

Males

14316

M18-39

14316

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23954

Males

14236

M18-39

14236

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24119

Males

14316

M18-39

14316

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26209

Males

15220

M18-39

15220

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

23772

Males

14131

M18-39

14131

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23366

Males

13904

M18-39

13904

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22371

Males

13331

M18-39

13331

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22050

Males

13080

M18-39

13080

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23308

Males

13590

M18-39

13590

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

20979

Males

12441

M18-39

12441

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21836

Males

12803

M18-39

12803

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24528

Males

14070

M18-39

14070

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23992

Males

13769

M18-39

13769

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23559

Males

13549

M18-39

13549

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23801

Males

13670

M18-39

13670

Passing Analysis

Category:
Athletes Passed
1498
Passed By
1783
Net Change
-285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23481
5K → 10K133407-274#23481#23755
10K → 15K101254-153#23755#23908
15K → 20K14806-792#23908#24700
20K → Half578+49#24700#24651
Half → 25K20427+177#24651#24474
25K → 30K38219+363#24474#24111
30K → 20M17116+155#24111#23956
20M → 21M8836+52#23956#23904
21M → 35K1144+110#23904#23794
35K → 23M12913+116#23794#23678
23M → 24M2687-61#23678#23739
24M → 40K4045-5#23739#23744
40K → 25.2M1014-4#23744#23748
25.2M → Finish2947-18#23748#23766
TOTALS14981783-285
📊

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