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BOSTON MARATHON 2025

Paul Lafferty

Bib: 20437•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 (M60-64)
#0 / 1259
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:52
Rank: #22284
Start → 5K
27:52 | 8:58/mi
10K· 6.21 mi
55:15
Rank: #21908 (+376)
5K → 10K
27:23 | 8:49/mi
15K· 9.32 mi
1:22:14
Rank: #21380 (+528)
10K → 15K
26:59 | 8:41/mi
20K· 12.43 mi
1:49:27
Rank: #20961 (+419)
15K → 20K
27:13 | 8:46/mi
Half· 13.11 mi
1:55:13
Rank: #20861 (+100)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:16:32
Rank: #20569 (+292)
Half → 25K
21:19 | 8:48/mi
30K· 18.64 mi
2:44:11
Rank: #19904 (+665)
25K → 30K
27:39 | 8:54/mi
20M
2:56:05
Rank: #19578 (+326)
30K → 20M
11:54 | 8:45/mi
21M
3:05:21
Rank: #19318 (+260)
20M → 21M
9:16 | 9:16/mi
35K· 21.75 mi
3:11:40
Rank: #19177 (+141)
21M → 35K
6:19 | 8:27/mi
23M
3:22:16
Rank: #18831 (+346)
35K → 23M
10:36 | 8:28/mi
24M
3:30:39
Rank: #18625 (+206)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:37:49
Rank: #18388 (+237)
24M → 40K
7:10 | 8:23/mi
25.2M
3:40:51
Rank: #18274 (+114)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:48:48
Rank: #18043 (+231)
25.2M → Finish
7:57 | 7:48/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:55:13
Pace8:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:53:35
Pace8:40 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2327:528:5827:52
8:58
-
10K
6.21 mi12:10:4655:158:5327:23
8:49
-0:09
15K
9.32 mi12:37:451:22:148:4926:59
8:41
-0:08
20K
12.43 mi13:04:581:49:278:4827:13
8:46
+0:05
Half
13.11 mi13:10:441:55:138:475:46
8:27
-0:19
25K
15.53 mi13:32:032:16:328:4721:19
8:48
+0:21
30K
18.64 mi13:59:422:44:118:4827:39
8:54
+0:06
20M
20.00 mi14:11:362:56:058:4811:54
8:45
-0:09
21M
21.00 mi14:20:523:05:218:509:16
9:16
+0:31
35K
21.75 mi14:27:113:11:408:496:19
8:27
-0:49
23M
23.00 mi14:37:473:22:168:4810:36
8:28
+0:01
24M
24.00 mi14:46:103:30:398:478:23
8:23
-0:05
40K
24.85 mi14:53:203:37:498:467:10
8:23
0:00
25.2M
25.20 mi14:56:223:40:518:463:02
8:48
+0:25
Finish
26.22 mi15:04:193:48:488:447:57
7:48
-1:00

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

8:44 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:11

20% of race

Time at Steady Pace

2:53:21

76% of race

Time at Slower Pace

9:16

4% of race

Average Pace: 8:44 /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 mi11:43:2327:528:5827:52
8:58
#22284
10K
6.21 mi12:10:4655:158:5327:23
8:49
#21908
15K
9.32 mi12:37:451:22:148:4926:59
8:41
#21380
20K
12.43 mi13:04:581:49:278:4827:13
8:46
#20961
Half
13.11 mi13:10:441:55:138:475:46
8:27
#20861
25K
15.53 mi13:32:032:16:328:4721:19
8:48
#20569
30K
18.64 mi13:59:422:44:118:4827:39
8:54
#19904
20M
20.00 mi14:11:362:56:058:4811:54
8:45
#19578
21M
21.00 mi14:20:523:05:218:509:16
9:16
#19318
35K
21.75 mi14:27:113:11:408:496:19
8:27
#19177
23M
23.00 mi14:37:473:22:168:4810:36
8:28
#18831
24M
24.00 mi14:46:103:30:398:478:23
8:23
#18625
40K
24.85 mi14:53:203:37:498:467:10
8:23
#18388
25.2M
25.20 mi14:56:223:40:518:463:02
8:48
#18274
Finish
26.22 mi15:04:193:48:488:447:57
7:48
#18043
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi22284134331343320389(Top 72%)12682(Top 79%)12682(Top 1007%)
10K6.21 mi3.10 mi21908+37613295+13813295+13821453(Top 76%)13111(Top 81%)13111(Top 1041%)
15K9.32 mi3.11 mi21380+52813082+21313082+21320389(Top 72%)12682(Top 79%)12682(Top 1007%)
20K12.43 mi3.11 mi20961+41912891+19112891+19119726(Top 69%)12338(Top 77%)12338(Top 980%)
Half13.11 mi0.68 mi20861+10012846+4512846+4518845(Top 66%)11970(Top 74%)11970(Top 951%)
25K15.53 mi2.42 mi20569+29212703+14312703+14318871(Top 66%)11908(Top 74%)11908(Top 946%)
30K18.64 mi3.11 mi19904+66512380+32312380+32317144(Top 60%)10996(Top 68%)10996(Top 873%)
20M20.00 mi1.36 mi19578+32612215+16512215+16515417(Top 54%)10111(Top 63%)10111(Top 803%)
21M21.00 mi1.00 mi19318+26012076+13912076+13914960(Top 53%)9772(Top 61%)9772(Top 776%)
35K21.75 mi0.75 mi19177+14112007+6912007+6915127(Top 53%)9792(Top 61%)9792(Top 778%)
23M23.00 mi1.25 mi18831+34611819+18811819+18813104(Top 46%)8755(Top 54%)8755(Top 695%)
24M24.00 mi1.00 mi18625+20611712+10711712+10713762(Top 48%)9040(Top 56%)9040(Top 718%)
40K24.85 mi0.85 mi18388+23711575+13711575+13712685(Top 45%)8391(Top 52%)8391(Top 666%)
25.2M25.20 mi0.35 mi18274+11411512+6311512+6310617(Top 37%)7309(Top 45%)7309(Top 581%)
Finish26.22 mi1.02 mi18043+23111400+11211400+11211454(Top 40%)7749(Top 48%)7749(Top 615%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20389

Males

12682

M60-64

12682

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21453

Males

13111

M60-64

13111

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20389

Males

12682

M60-64

12682

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19726

Males

12338

M60-64

12338

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18845

Males

11970

M60-64

11970

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18871

Males

11908

M60-64

11908

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17144

Males

10996

M60-64

10996

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15417

Males

10111

M60-64

10111

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14960

Males

9772

M60-64

9772

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15127

Males

9792

M60-64

9792

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13104

Males

8755

M60-64

8755

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13762

Males

9040

M60-64

9040

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12685

Males

8391

M60-64

8391

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10617

Males

7309

M60-64

7309

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11454

Males

7749

M60-64

7749

Passing Analysis

Category:
Athletes Passed
4488
Passed By
247
Net Change
+4241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22284
5K → 10K492116+376#22284#21908
10K → 15K56739+528#21908#21380
15K → 20K44526+419#21380#20961
20K → Half1022+100#20961#20861
Half → 25K32735+292#20861#20569
25K → 30K67611+665#20569#19904
30K → 20M3260+326#19904#19578
20M → 21M2666+260#19578#19318
21M → 35K1443+141#19318#19177
35K → 23M3460+346#19177#18831
23M → 24M2071+206#18831#18625
24M → 40K2425+237#18625#18388
40K → 25.2M1140+114#18388#18274
25.2M → Finish2343+231#18274#18043
TOTALS4488247+4241
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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