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BOSTON MARATHON 2025

John Mcmahon

Bib: 28231•M

VT

0:00
0:00
/ mi
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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
26:19
Rank: #19712
Start → 5K
26:19 | 8:28/mi
10K· 6.21 mi
51:32
Rank: #18565 (+1147)
5K → 10K
25:13 | 8:07/mi
15K· 9.32 mi
1:18:27
Rank: #19132 (-567)
10K → 15K
26:55 | 8:40/mi
20K· 12.43 mi
1:48:47
Rank: #20691 (-1559)
15K → 20K
30:20 | 9:46/mi
Half· 13.11 mi
1:54:32
Rank: #20599 (+92)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:17:38
Rank: #20905 (-306)
Half → 25K
23:06 | 9:32/mi
30K· 18.64 mi
2:51:13
Rank: #21687 (-782)
25K → 30K
33:35 | 10:49/mi
20M
3:09:00
Rank: #22403 (-716)
30K → 20M
17:47 | 13:05/mi
21M
3:22:20
Rank: #22667 (-264)
20M → 21M
13:20 | 13:20/mi
35K· 21.75 mi
3:30:52
Rank: #22789 (-122)
21M → 35K
8:32 | 11:24/mi
23M
3:48:03
Rank: #23240 (-451)
35K → 23M
17:11 | 13:43/mi
24M
3:59:56
Rank: #23381 (-141)
23M → 24M
11:53 | 11:53/mi
40K· 24.85 mi
4:09:43
Rank: #23379 (+2)
24M → 40K
9:47 | 11:27/mi
25.2M
4:14:17
Rank: #23441 (-62)
40K → 25.2M
4:34 | 13:15/mi
Finish· 26.22 mi
4:24:13
Rank: #23416 (+25)
25.2M → Finish
9:56 | 9:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:32
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:29:41
Pace11:25 /mi
📊Positive Split: 30.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4926:198:2826:19
8:28
-
10K
6.21 mi12:09:0251:328:1825:13
8:07
-0:21
15K
9.32 mi12:35:571:18:278:2526:55
8:40
+0:33
20K
12.43 mi13:06:171:48:478:4530:20
9:46
+1:06
Half
13.11 mi13:12:021:54:328:445:45
8:26
-1:20
25K
15.53 mi13:35:082:17:388:5223:06
9:32
+1:06
30K
18.64 mi14:08:432:51:139:1133:35
10:49
+1:17
20M
20.00 mi14:26:303:09:009:2717:47
13:05
+2:16
21M
21.00 mi14:39:503:22:209:3813:20
13:20
+0:15
35K
21.75 mi14:48:223:30:529:428:32
11:24
-1:56
23M
23.00 mi15:05:333:48:039:5517:11
13:43
+2:19
24M
24.00 mi15:17:263:59:5610:0011:53
11:53
-1:50
40K
24.85 mi15:27:134:09:4310:039:47
11:27
-0:26
25.2M
25.20 mi15:31:474:14:1710:054:34
13:15
+1:48
Finish
26.22 mi15:41:434:24:1310:059:56
9:45
-3:30

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

8:07 /mi

Average Pace

10:05 /mi

Slowest Pace

13:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:34

56% of race

Time at Steady Pace

51:54

20% of race

Time at Slower Pace

1:04:45

25% of race

Average Pace: 10:05 /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 mi11:43:4926:198:2826:19
8:28
#19712
10K
6.21 mi12:09:0251:328:1825:13
8:07
#18565
15K
9.32 mi12:35:571:18:278:2526:55
8:40
#19132
20K
12.43 mi13:06:171:48:478:4530:20
9:46
#20691
Half
13.11 mi13:12:021:54:328:445:45
8:26
#20599
25K
15.53 mi13:35:082:17:388:5223:06
9:32
#20905
30K
18.64 mi14:08:432:51:139:1133:35
10:49
#21687
20M
20.00 mi14:26:303:09:009:2717:47
13:05
#22403
21M
21.00 mi14:39:503:22:209:3813:20
13:20
#22667
35K
21.75 mi14:48:223:30:529:428:32
11:24
#22789
23M
23.00 mi15:05:333:48:039:5517:11
13:43
#23240
24M
24.00 mi15:17:263:59:5610:0011:53
11:53
#23381
40K
24.85 mi15:27:134:09:4310:039:47
11:27
#23379
25.2M
25.20 mi15:31:474:14:1710:054:34
13:15
#23441
Finish
26.22 mi15:41:434:24:1310:059:56
9:45
#23416
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19712123221232220269(Top 71%)12638(Top 78%)12638(Top 224%)
10K6.21 mi3.10 mi18565+114711860+46211860+46217318(Top 61%)11381(Top 71%)11381(Top 202%)
15K9.32 mi3.11 mi19132-56712102-24212102-24220269(Top 71%)12638(Top 78%)12638(Top 224%)
20K12.43 mi3.11 mi20691-155912770-66812770-66823659(Top 83%)14080(Top 87%)14080(Top 250%)
Half13.11 mi0.68 mi20599+9212729+4112729+4118740(Top 66%)11949(Top 74%)11949(Top 212%)
25K15.53 mi2.42 mi20905-30612861-13212861-13221951(Top 77%)13272(Top 82%)13272(Top 235%)
30K18.64 mi3.11 mi21687-78213179-31813179-31823636(Top 83%)13905(Top 86%)13905(Top 246%)
20M20.00 mi1.36 mi22403-71613468-28913468-28926535(Top 93%)15160(Top 94%)15160(Top 269%)
21M21.00 mi1.00 mi22667-26413566-9813566-9825484(Top 90%)14614(Top 91%)14614(Top 259%)
35K21.75 mi0.75 mi22789-12213601-3513601-3524945(Top 88%)14324(Top 89%)14324(Top 254%)
23M23.00 mi1.25 mi23240-45113781-18013781-18027092(Top 95%)15370(Top 95%)15370(Top 272%)
24M24.00 mi1.00 mi23381-14113839-5813839-5825518(Top 90%)14567(Top 90%)14567(Top 258%)
40K24.85 mi0.85 mi23379+213822+1713822+1724029(Top 85%)13789(Top 86%)13789(Top 244%)
25.2M25.20 mi0.35 mi23441-6213843-2113843-2125348(Top 89%)14414(Top 90%)14414(Top 255%)
Finish26.22 mi1.02 mi23416+2513814+2913814+2922078(Top 78%)12831(Top 80%)12831(Top 227%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20269

Males

12638

M18-39

12638

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17318

Males

11381

M18-39

11381

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20269

Males

12638

M18-39

12638

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23659

Males

14080

M18-39

14080

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18740

Males

11949

M18-39

11949

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21951

Males

13272

M18-39

13272

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23636

Males

13905

M18-39

13905

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

26535

Males

15160

M18-39

15160

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25484

Males

14614

M18-39

14614

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

24945

Males

14324

M18-39

14324

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

27092

Males

15370

M18-39

15370

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

25518

Males

14567

M18-39

14567

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24029

Males

13789

M18-39

13789

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25348

Males

14414

M18-39

14414

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22078

Males

12831

M18-39

12831

Passing Analysis

Category:
Athletes Passed
1687
Passed By
5391
Net Change
-3704
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19712
5K → 10K117528+1147#19712#18565
10K → 15K63630-567#18565#19132
15K → 20K191578-1559#19132#20691
20K → Half953+92#20691#20599
Half → 25K72378-306#20599#20905
25K → 30K54836-782#20905#21687
30K → 20M10726-716#21687#22403
20M → 21M28292-264#22403#22667
21M → 35K22144-122#22667#22789
35K → 23M13464-451#22789#23240
23M → 24M19160-141#23240#23381
24M → 40K4947+2#23381#23379
40K → 25.2M1072-62#23379#23441
25.2M → Finish5833+25#23441#23416
TOTALS16875391-3704
📊

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