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BOSTON MARATHON 2025

Tom Mccarthy

Bib: 1103•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
6:01/mi
18:43
↑ 97↓ 3451.5%
10K· 6.21 mi
6:12/mi
38:00
↑ 79↓ 1380.4%
15K· 9.32 mi
6:22/mi
57:47
↑ 67↓ 78
20K· 12.43 mi
6:54/mi
1:19:12
↑ 106↓ 860.1%
Half· 13.11 mi
6:15/mi
1:23:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:41:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:09:12
↑ 181↓ 1480.2%
20M
10:23/mi
2:23:19
↑ 64↓ 500.2%
21M
11:07/mi
2:34:26
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
2:41:57
↑ 17↓ 861.7%
23M
10:32/mi
2:55:08
↑ 23↓ 630.6%
24M
10:45/mi
3:05:53
↓ 821.3%
40K· 24.85 mi
11:23/mi
3:15:37
↓ 200.3%
25.2M
9:52/mi
3:19:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:27:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:28
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time2:03:39
Pace9:26 /mi
📊Positive Split: 48.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4718:436:0118:43
6:01
-
10K
6.21 mi10:38:0438:006:0719:17
6:12
+0:11
15K
9.32 mi10:57:5157:476:1219:47
6:22
+0:10
20K
12.43 mi11:19:161:19:126:2221:25
6:54
+0:32
Half
13.11 mi11:23:321:23:286:224:16
6:15
-0:39
25K
15.53 mi11:41:351:41:316:3218:03
7:27
+1:12
30K
18.64 mi12:09:162:09:126:5627:41
8:55
+1:28
20M
20.00 mi12:23:232:23:197:1014:07
10:23
+1:28
21M
21.00 mi12:34:302:34:267:2111:07
11:07
+0:44
35K
21.75 mi12:42:012:41:577:277:31
10:03
-1:04
23M
23.00 mi12:55:122:55:087:3713:11
10:32
+0:29
24M
24.00 mi13:05:573:05:537:4510:45
10:45
+0:13
40K
24.85 mi13:15:413:15:377:529:44
11:23
+0:38
25.2M
25.20 mi13:19:053:19:017:543:24
9:52
-1:31
Finish
26.22 mi13:27:113:27:077:548:06
7:57
-1:55

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

6:01 /mi

Average Pace

7:54 /mi

Slowest Pace

11:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:31

49% of race

Time at Steady Pace

39:11

19% of race

Time at Slower Pace

1:06:25

32% of race

Average Pace: 7:54 /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 mi10:18:4718:436:0118:43
6:01
#1148
10K
6.21 mi10:38:0438:006:0719:17
6:12
#1503
15K
9.32 mi10:57:5157:476:1219:47
6:22
#1851
20K
12.43 mi11:19:161:19:126:2221:25
6:54
#2695
Half
13.11 mi11:23:321:23:286:224:16
6:15
#2662
25K
15.53 mi11:41:351:41:316:3218:03
7:27
#3610
30K
18.64 mi12:09:162:09:126:5627:41
8:55
#6196
20M
20.00 mi12:23:232:23:197:1014:07
10:23
#7499
21M
21.00 mi12:34:302:34:267:2111:07
11:07
#8582
35K
21.75 mi12:42:012:41:577:277:31
10:03
#9305
23M
23.00 mi12:55:122:55:087:3713:11
10:32
#10465
24M
24.00 mi13:05:573:05:537:4510:45
10:45
#11367
40K
24.85 mi13:15:413:15:377:529:44
11:23
#12264
25.2M
25.20 mi13:19:053:19:017:543:24
9:52
#12330
Finish
26.22 mi13:27:113:27:077:548:06
7:57
#12304
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1148108810882751(Top 10%)2621(Top 16%)2621(Top 46%)
10K6.21 mi3.10 mi1503-3551430-3421430-3421960(Top 7%)1865(Top 12%)1865(Top 33%)
15K9.32 mi3.11 mi1851-3481762-3321762-3322751(Top 10%)2621(Top 16%)2621(Top 46%)
20K12.43 mi3.11 mi2695-8442570-8082570-8086148(Top 22%)5550(Top 34%)5550(Top 98%)
Half13.11 mi0.68 mi2662+332540+302540+302316(Top 8%)2217(Top 14%)2217(Top 39%)
25K15.53 mi2.42 mi3610-9483413-8733413-8739503(Top 33%)7604(Top 47%)7604(Top 135%)
30K18.64 mi3.11 mi6196-25865589-21765589-217617202(Top 61%)11018(Top 68%)11018(Top 195%)
20M20.00 mi1.36 mi7499-13036525-9366525-93622107(Top 78%)13092(Top 81%)13092(Top 232%)
21M21.00 mi1.00 mi8582-10837160-6357160-63521681(Top 76%)12817(Top 80%)12817(Top 227%)
35K21.75 mi0.75 mi9305-7237547-3877547-38722000(Top 77%)12902(Top 80%)12902(Top 229%)
23M23.00 mi1.25 mi10465-11608107-5608107-56022079(Top 78%)12913(Top 80%)12913(Top 229%)
24M24.00 mi1.00 mi11367-9028495-3888495-38823433(Top 82%)13520(Top 84%)13520(Top 240%)
40K24.85 mi0.85 mi12264-8978893-3988893-39823916(Top 84%)13725(Top 85%)13725(Top 243%)
25.2M25.20 mi0.35 mi12330-668910-178910-1716297(Top 57%)10007(Top 62%)10007(Top 177%)
Finish26.22 mi1.02 mi12304+268861+498861+4912517(Top 44%)8289(Top 51%)8289(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2751

Males

2621

M18-39

2621

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1960

Males

1865

M18-39

1865

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2751

Males

2621

M18-39

2621

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

6148

Males

5550

M18-39

5550

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2316

Males

2217

M18-39

2217

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9503

Males

7604

M18-39

7604

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17202

Males

11018

M18-39

11018

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22107

Males

13092

M18-39

13092

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21681

Males

12817

M18-39

12817

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

22000

Males

12902

M18-39

12902

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22079

Males

12913

M18-39

12913

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23433

Males

13520

M18-39

13520

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23916

Males

13725

M18-39

13725

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16297

Males

10007

M18-39

10007

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12517

Males

8289

M18-39

8289

Passing Analysis

Category:
Athletes Passed
198
Passed By
11352
Net Change
-11156
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1148
5K → 10K7362-355#1148#1503
10K → 15K7355-348#1503#1851
15K → 20K5849-844#1851#2695
20K → Half374+33#2695#2662
Half → 25K4952-948#2662#3610
25K → 30K52591-2586#3610#6196
30K → 20M51308-1303#6196#7499
20M → 21M41087-1083#7499#8582
21M → 35K2725-723#8582#9305
35K → 23M71165-1160#9305#10465
23M → 24M10912-902#10465#11367
24M → 40K7904-897#11367#12264
40K → 25.2M1480-66#12264#12330
25.2M → Finish8458+26#12330#12304
TOTALS19811352-11156
📊

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