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BOSTON MARATHON 2025

John Mulcahy

Bib: 17345•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:29
Rank: #15494
Start → 5K
24:29 | 7:53/mi
10K· 6.21 mi
48:44
Rank: #15164 (+330)
5K → 10K
24:15 | 7:48/mi
15K· 9.32 mi
1:13:08
Rank: #15043 (+121)
10K → 15K
24:24 | 7:51/mi
20K· 12.43 mi
1:38:06
Rank: #15035 (+8)
15K → 20K
24:58 | 8:02/mi
Half· 13.11 mi
1:43:31
Rank: #15053 (-18)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:03:11
Rank: #14986 (+67)
Half → 25K
19:40 | 8:07/mi
30K· 18.64 mi
2:28:58
Rank: #14637 (+349)
25K → 30K
25:47 | 8:18/mi
20M
2:40:25
Rank: #14491 (+146)
30K → 20M
11:27 | 8:26/mi
21M
2:49:25
Rank: #14399 (+92)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:55:35
Rank: #14391 (+8)
21M → 35K
6:10 | 8:15/mi
23M
3:06:12
Rank: #14302 (+89)
35K → 23M
10:37 | 8:29/mi
24M
3:14:32
Rank: #14246 (+56)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:21:53
Rank: #14207 (+39)
24M → 40K
7:21 | 8:36/mi
25.2M
3:25:06
Rank: #14184 (+23)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:33:43
Rank: #14219 (-35)
25.2M → Finish
8:37 | 8:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:31
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:50:12
Pace8:24 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2324:297:5324:29
7:53
-
10K
6.21 mi11:39:3848:447:5124:15
7:48
-0:05
15K
9.32 mi12:04:021:13:087:5124:24
7:51
+0:03
20K
12.43 mi12:29:001:38:067:5424:58
8:02
+0:11
Half
13.11 mi12:34:251:43:317:545:25
7:56
-0:06
25K
15.53 mi12:54:052:03:117:5619:40
8:07
+0:11
30K
18.64 mi13:19:522:28:587:5925:47
8:18
+0:11
20M
20.00 mi13:31:192:40:258:0111:27
8:26
+0:08
21M
21.00 mi13:40:192:49:258:049:00
9:00
+0:34
35K
21.75 mi13:46:292:55:358:046:10
8:15
-0:45
23M
23.00 mi13:57:063:06:128:0610:37
8:29
+0:14
24M
24.00 mi14:05:263:14:328:068:20
8:20
-0:09
40K
24.85 mi14:12:473:21:538:077:21
8:36
+0:16
25.2M
25.20 mi14:16:003:25:068:083:13
9:20
+0:44
Finish
26.22 mi14:24:373:33:438:098:37
8:27
-0:53

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

7:48 /mi

Average Pace

8:09 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:09

91% of race

Time at Steady Pace

16:21

8% of race

Time at Slower Pace

3:13

2% of race

Average Pace: 8:09 /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 mi11:15:2324:297:5324:29
7:53
#15494
10K
6.21 mi11:39:3848:447:5124:15
7:48
#15164
15K
9.32 mi12:04:021:13:087:5124:24
7:51
#15043
20K
12.43 mi12:29:001:38:067:5424:58
8:02
#15035
Half
13.11 mi12:34:251:43:317:545:25
7:56
#15053
25K
15.53 mi12:54:052:03:117:5619:40
8:07
#14986
30K
18.64 mi13:19:522:28:587:5925:47
8:18
#14637
20M
20.00 mi13:31:192:40:258:0111:27
8:26
#14491
21M
21.00 mi13:40:192:49:258:049:00
9:00
#14399
35K
21.75 mi13:46:292:55:358:046:10
8:15
#14391
23M
23.00 mi13:57:063:06:128:0610:37
8:29
#14302
24M
24.00 mi14:05:263:14:328:068:20
8:20
#14246
40K
24.85 mi14:12:473:21:538:077:21
8:36
#14207
25.2M
25.20 mi14:16:003:25:068:083:13
9:20
#14184
Finish
26.22 mi14:24:373:33:438:098:37
8:27
#14219
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15494106141061414820(Top 52%)10284(Top 64%)10284(Top 624%)
10K6.21 mi3.10 mi15164+33010475+13910475+13914834(Top 52%)10340(Top 64%)10340(Top 627%)
15K9.32 mi3.11 mi15043+12110415+6010415+6014820(Top 52%)10284(Top 64%)10284(Top 624%)
20K12.43 mi3.11 mi15035+810387+2810387+2815173(Top 53%)10390(Top 65%)10390(Top 630%)
Half13.11 mi0.68 mi15053-1810395-810395-815319(Top 54%)10458(Top 65%)10458(Top 635%)
25K15.53 mi2.42 mi14986+6710336+5910336+5914704(Top 52%)10066(Top 63%)10066(Top 611%)
30K18.64 mi3.11 mi14637+34910128+20810128+20813478(Top 47%)9341(Top 58%)9341(Top 567%)
20M20.00 mi1.36 mi14491+14610037+9110037+9113282(Top 47%)9105(Top 57%)9105(Top 552%)
21M21.00 mi1.00 mi14399+929975+629975+6213448(Top 47%)9063(Top 56%)9063(Top 550%)
35K21.75 mi0.75 mi14391+89959+169959+1613834(Top 49%)9186(Top 57%)9186(Top 557%)
23M23.00 mi1.25 mi14302+899877+829877+8213147(Top 46%)8757(Top 54%)8757(Top 531%)
24M24.00 mi1.00 mi14246+569820+579820+5713425(Top 47%)8845(Top 55%)8845(Top 537%)
40K24.85 mi0.85 mi14207+399773+479773+4713985(Top 49%)8979(Top 56%)8979(Top 545%)
25.2M25.20 mi0.35 mi14184+239756+179756+1713485(Top 47%)8655(Top 54%)8655(Top 525%)
Finish26.22 mi1.02 mi14219-359747+99747+915887(Top 56%)9870(Top 61%)9870(Top 599%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14820

Males

10284

M55-59

10284

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

14834

Males

10340

M55-59

10340

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14820

Males

10284

M55-59

10284

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

15173

Males

10390

M55-59

10390

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15319

Males

10458

M55-59

10458

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14704

Males

10066

M55-59

10066

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13478

Males

9341

M55-59

9341

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13282

Males

9105

M55-59

9105

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13448

Males

9063

M55-59

9063

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13834

Males

9186

M55-59

9186

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13147

Males

8757

M55-59

8757

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13425

Males

8845

M55-59

8845

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13985

Males

8979

M55-59

8979

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13485

Males

8655

M55-59

8655

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15887

Males

9870

M55-59

9870

Passing Analysis

Category:
Athletes Passed
2518
Passed By
1243
Net Change
+1275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15494
5K → 10K491161+330#15494#15164
10K → 15K265144+121#15164#15043
15K → 20K223215+8#15043#15035
20K → Half2745-18#15035#15053
Half → 25K204137+67#15053#14986
25K → 30K43687+349#14986#14637
30K → 20M20256+146#14637#14491
20M → 21M15967+92#14491#14399
21M → 35K6355+8#14399#14391
35K → 23M15566+89#14391#14302
23M → 24M9943+56#14302#14246
24M → 40K8647+39#14246#14207
40K → 25.2M4522+23#14207#14184
25.2M → Finish6398-35#14184#14219
TOTALS25181243+1275
📊

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