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BOSTON MARATHON 2025

Joe Laffan

Bib: 7519•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Masters (Masters Men)
#0 / 10463
Top 6%
Division (M40-44)
#0 / 2247
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:01
Rank: #3405
Start → 5K
20:01 | 6:27/mi
10K· 6.21 mi
40:14
Rank: #3581 (-176)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:00:16
Rank: #3423 (+158)
10K → 15K
20:02 | 6:27/mi
20K· 12.43 mi
1:20:32
Rank: #3359 (+64)
15K → 20K
20:16 | 6:31/mi
Half· 13.11 mi
1:24:58
Rank: #3383 (-24)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:40:54
Rank: #3344 (+39)
Half → 25K
15:56 | 6:34/mi
30K· 18.64 mi
2:01:46
Rank: #3223 (+121)
25K → 30K
20:52 | 6:43/mi
20M
2:10:55
Rank: #3136 (+87)
30K → 20M
9:09 | 6:44/mi
21M
2:18:04
Rank: #3088 (+48)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:23:02
Rank: #3058 (+30)
21M → 35K
4:58 | 6:38/mi
23M
2:31:31
Rank: #2971 (+87)
35K → 23M
8:29 | 6:47/mi
24M
2:38:12
Rank: #2952 (+19)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:44:17
Rank: #2952
24M → 40K
6:05 | 7:07/mi
25.2M
2:47:16
Rank: #3030 (-78)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
2:54:28
Rank: #3112 (-82)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:58
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:29:30
Pace6:50 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5120:016:2720:01
6:27
-
10K
6.21 mi10:46:0440:146:2820:13
6:30
+0:03
15K
9.32 mi11:06:061:00:166:2820:02
6:27
-0:03
20K
12.43 mi11:26:221:20:326:2920:16
6:31
+0:04
Half
13.11 mi11:30:481:24:586:294:26
6:30
-0:01
25K
15.53 mi11:46:441:40:546:3015:56
6:34
+0:04
30K
18.64 mi12:07:362:01:466:3220:52
6:43
+0:09
20M
20.00 mi12:16:452:10:556:339:09
6:44
+0:01
21M
21.00 mi12:23:542:18:046:347:09
7:09
+0:25
35K
21.75 mi12:28:522:23:026:354:58
6:38
-0:31
23M
23.00 mi12:37:212:31:316:358:29
6:47
+0:09
24M
24.00 mi12:44:022:38:126:366:41
6:41
-0:06
40K
24.85 mi12:50:072:44:176:376:05
7:07
+0:26
25.2M
25.20 mi12:53:062:47:166:382:59
8:39
+1:32
Finish
26.22 mi13:00:182:54:286:407:12
7:04
-1:35

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

6:27 /mi

Average Pace

6:40 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:31:03

87% of race

Time at Slower Pace

23:25

13% of race

Average Pace: 6:39 /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 mi10:25:5120:016:2720:01
6:27
#3405
10K
6.21 mi10:46:0440:146:2820:13
6:30
#3581
15K
9.32 mi11:06:061:00:166:2820:02
6:27
#3423
20K
12.43 mi11:26:221:20:326:2920:16
6:31
#3359
Half
13.11 mi11:30:481:24:586:294:26
6:30
#3383
25K
15.53 mi11:46:441:40:546:3015:56
6:34
#3344
30K
18.64 mi12:07:362:01:466:3220:52
6:43
#3223
20M
20.00 mi12:16:452:10:556:339:09
6:44
#3136
21M
21.00 mi12:23:542:18:046:347:09
7:09
#3088
35K
21.75 mi12:28:522:23:026:354:58
6:38
#3058
23M
23.00 mi12:37:212:31:316:358:29
6:47
#2971
24M
24.00 mi12:44:022:38:126:366:41
6:41
#2952
40K
24.85 mi12:50:072:44:176:376:05
7:07
#2952
25.2M
25.20 mi12:53:062:47:166:382:59
8:39
#3030
Finish
26.22 mi13:00:182:54:286:407:12
7:04
#3112
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3405323432343227(Top 11%)3067(Top 19%)3067(Top 136%)
10K6.21 mi3.10 mi3581-1763396-1623396-1623767(Top 13%)3552(Top 22%)3552(Top 158%)
15K9.32 mi3.11 mi3423+1583250+1463250+1463227(Top 11%)3067(Top 19%)3067(Top 136%)
20K12.43 mi3.11 mi3359+643188+623188+623250(Top 11%)3080(Top 19%)3080(Top 137%)
Half13.11 mi0.68 mi3383-243213-253213-253611(Top 13%)3411(Top 21%)3411(Top 152%)
25K15.53 mi2.42 mi3344+393179+343179+343265(Top 11%)3091(Top 19%)3091(Top 138%)
30K18.64 mi3.11 mi3223+1213057+1223057+1222964(Top 10%)2791(Top 17%)2791(Top 124%)
20M20.00 mi1.36 mi3136+872973+842973+842614(Top 9%)2456(Top 15%)2456(Top 109%)
21M21.00 mi1.00 mi3088+482925+482925+482884(Top 10%)2670(Top 17%)2670(Top 119%)
35K21.75 mi0.75 mi3058+302895+302895+303128(Top 11%)2870(Top 18%)2870(Top 128%)
23M23.00 mi1.25 mi2971+872810+852810+852577(Top 9%)2380(Top 15%)2380(Top 106%)
24M24.00 mi1.00 mi2952+192792+182792+182883(Top 10%)2623(Top 16%)2623(Top 117%)
40K24.85 mi0.85 mi29522790+22790+24525(Top 16%)3857(Top 24%)3857(Top 172%)
25.2M25.20 mi0.35 mi3030-782858-682858-689585(Top 34%)6704(Top 42%)6704(Top 298%)
Finish26.22 mi1.02 mi3112-822933-752933-756113(Top 22%)4789(Top 30%)4789(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3227

Males

3067

M40-44

3067

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3767

Males

3552

M40-44

3552

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3227

Males

3067

M40-44

3067

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3250

Males

3080

M40-44

3080

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3611

Males

3411

M40-44

3411

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3265

Males

3091

M40-44

3091

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2964

Males

2791

M40-44

2791

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2614

Males

2456

M40-44

2456

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2884

Males

2670

M40-44

2670

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3128

Males

2870

M40-44

2870

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2577

Males

2380

M40-44

2380

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2883

Males

2623

M40-44

2623

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4525

Males

3857

M40-44

3857

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9585

Males

6704

M40-44

6704

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6113

Males

4789

M40-44

4789

Passing Analysis

Category:
Athletes Passed
1081
Passed By
788
Net Change
+293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3405
5K → 10K58234-176#3405#3581
10K → 15K19436+158#3581#3423
15K → 20K12864+64#3423#3359
20K → Half1034-24#3359#3383
Half → 25K8546+39#3383#3344
25K → 30K17150+121#3344#3223
30K → 20M10215+87#3223#3136
20M → 21M6113+48#3136#3088
21M → 35K5222+30#3088#3058
35K → 23M10821+87#3058#2971
23M → 24M4728+19#2971#2952
24M → 40K44440#2952#2952
40K → 25.2M785-78#2952#3030
25.2M → Finish1496-82#3030#3112
TOTALS1081788+293
📊

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