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BOSTON MARATHON 2025

Mark Leahy

Bib: 15712•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 47%
Division (M60-64)
#0 / 1259
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #12772
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
47:30
Rank: #13426 (-654)
5K → 10K
24:00 | 7:43/mi
15K· 9.32 mi
1:12:08
Rank: #14100 (-674)
10K → 15K
24:38 | 7:56/mi
20K· 12.43 mi
1:36:20
Rank: #13811 (+289)
15K → 20K
24:12 | 7:47/mi
Half· 13.11 mi
1:41:31
Rank: #13737 (+74)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
2:02:08
Rank: #14402 (-665)
Half → 25K
20:37 | 8:30/mi
30K· 18.64 mi
2:27:01
Rank: #13773 (+629)
25K → 30K
24:53 | 8:01/mi
20M
2:38:33
Rank: #13733 (+40)
30K → 20M
11:32 | 8:29/mi
21M
2:47:19
Rank: #13606 (+127)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:53:07
Rank: #13476 (+130)
21M → 35K
5:48 | 7:45/mi
23M
3:03:02
Rank: #13206 (+270)
35K → 23M
9:55 | 7:55/mi
24M
3:10:45
Rank: #13017 (+189)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
3:17:34
Rank: #12882 (+135)
24M → 40K
6:49 | 7:58/mi
25.2M
3:20:32
Rank: #12815 (+67)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:28:12
Rank: #12651 (+164)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:31
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:46:41
Pace8:08 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:5323:307:3423:30
7:34
-
10K
6.21 mi11:20:5347:307:3924:00
7:43
+0:09
15K
9.32 mi11:45:311:12:087:4424:38
7:56
+0:13
20K
12.43 mi12:09:431:36:207:4524:12
7:47
-0:09
Half
13.11 mi12:14:541:41:317:455:11
7:36
-0:11
25K
15.53 mi12:35:312:02:087:5220:37
8:30
+0:54
30K
18.64 mi13:00:242:27:017:5324:53
8:01
-0:29
20M
20.00 mi13:11:562:38:337:5611:32
8:29
+0:28
21M
21.00 mi13:20:422:47:197:588:46
8:46
+0:17
35K
21.75 mi13:26:302:53:077:585:48
7:45
-1:01
23M
23.00 mi13:36:253:03:027:579:55
7:55
+0:10
24M
24.00 mi13:44:083:10:457:577:43
7:43
-0:12
40K
24.85 mi13:50:573:17:347:576:49
7:58
+0:15
25.2M
25.20 mi13:53:553:20:327:572:58
8:36
+0:38
Finish
26.22 mi14:01:353:28:127:577:40
7:31
-1:05

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

7:31 /mi

Average Pace

7:57 /mi

Slowest Pace

8:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:19

79% of race

Time at Steady Pace

43:53

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi10:56:5323:307:3423:30
7:34
#12772
10K
6.21 mi11:20:5347:307:3924:00
7:43
#13426
15K
9.32 mi11:45:311:12:087:4424:38
7:56
#14100
20K
12.43 mi12:09:431:36:207:4524:12
7:47
#13811
Half
13.11 mi12:14:541:41:317:455:11
7:36
#13737
25K
15.53 mi12:35:312:02:087:5220:37
8:30
#14402
30K
18.64 mi13:00:242:27:017:5324:53
8:01
#13773
20M
20.00 mi13:11:562:38:337:5611:32
8:29
#13733
21M
21.00 mi13:20:422:47:197:588:46
8:46
#13606
35K
21.75 mi13:26:302:53:077:585:48
7:45
#13476
23M
23.00 mi13:36:253:03:027:579:55
7:55
#13206
24M
24.00 mi13:44:083:10:457:577:43
7:43
#13017
40K
24.85 mi13:50:573:17:347:576:49
7:58
#12882
25.2M
25.20 mi13:53:553:20:327:572:58
8:36
#12815
Finish
26.22 mi14:01:353:28:127:577:40
7:31
#12651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi127729540954015444(Top 54%)10562(Top 66%)10562(Top 839%)
10K6.21 mi3.10 mi13426-6549781-2419781-24114099(Top 50%)10042(Top 62%)10042(Top 798%)
15K9.32 mi3.11 mi14100-67410025-24410025-24415444(Top 54%)10562(Top 66%)10562(Top 839%)
20K12.43 mi3.11 mi13811+2899865+1609865+16013178(Top 46%)9500(Top 59%)9500(Top 755%)
Half13.11 mi0.68 mi13737+749821+449821+4412508(Top 44%)9238(Top 57%)9238(Top 734%)
25K15.53 mi2.42 mi14402-66510080-25910080-25917207(Top 61%)11179(Top 69%)11179(Top 888%)
30K18.64 mi3.11 mi13773+6299755+3259755+32511441(Top 40%)8415(Top 52%)8415(Top 668%)
20M20.00 mi1.36 mi13733+409711+449711+4413682(Top 48%)9297(Top 58%)9297(Top 738%)
21M21.00 mi1.00 mi13606+1279613+989613+9812069(Top 42%)8405(Top 52%)8405(Top 668%)
35K21.75 mi0.75 mi13476+1309533+809533+8010455(Top 37%)7609(Top 47%)7609(Top 604%)
23M23.00 mi1.25 mi13206+2709381+1529381+1529437(Top 33%)6947(Top 43%)6947(Top 552%)
24M24.00 mi1.00 mi13017+1899268+1139268+1139209(Top 32%)6769(Top 42%)6769(Top 538%)
40K24.85 mi0.85 mi12882+1359180+889180+889996(Top 35%)7052(Top 44%)7052(Top 560%)
25.2M25.20 mi0.35 mi12815+679142+389142+389415(Top 33%)6667(Top 41%)6667(Top 530%)
Finish26.22 mi1.02 mi12651+1649038+1049038+1049354(Top 33%)6640(Top 41%)6640(Top 527%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15444

Males

10562

M60-64

10562

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14099

Males

10042

M60-64

10042

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15444

Males

10562

M60-64

10562

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

13178

Males

9500

M60-64

9500

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12508

Males

9238

M60-64

9238

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17207

Males

11179

M60-64

11179

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11441

Males

8415

M60-64

8415

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13682

Males

9297

M60-64

9297

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

12069

Males

8405

M60-64

8405

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

10455

Males

7609

M60-64

7609

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9437

Males

6947

M60-64

6947

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9209

Males

6769

M60-64

6769

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9996

Males

7052

M60-64

7052

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9415

Males

6667

M60-64

6667

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9354

Males

6640

M60-64

6640

Passing Analysis

Category:
Athletes Passed
2587
Passed By
2466
Net Change
+121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12772
5K → 10K85739-654#12772#13426
10K → 15K56730-674#13426#14100
15K → 20K35768+289#14100#13811
20K → Half839+74#13811#13737
Half → 25K54719-665#13737#14402
25K → 30K64415+629#14402#13773
30K → 20M13292+40#13773#13733
20M → 21M16841+127#13733#13606
21M → 35K1377+130#13606#13476
35K → 23M2744+270#13476#13206
23M → 24M1934+189#13206#13017
24M → 40K14712+135#13017#12882
40K → 25.2M7710+67#12882#12815
25.2M → Finish18016+164#12815#12651
TOTALS25872466+121
📊

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