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BOSTON MARATHON 2025

Angus Mclachlan

Bib: 7553•M

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M40-44)
#0 / 2247
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #5195
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
41:15
Rank: #4806 (+389)
5K → 10K
20:31 | 6:36/mi
15K· 9.32 mi
1:01:52
Rank: #4688 (+118)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:22:39
Rank: #4555 (+133)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:27:08
Rank: #4537 (+18)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:14
Rank: #4328 (+209)
Half → 25K
16:06 | 6:38/mi
30K· 18.64 mi
2:04:37
Rank: #4190 (+138)
25K → 30K
21:23 | 6:53/mi
20M
2:14:14
Rank: #4193 (-3)
30K → 20M
9:37 | 7:05/mi
21M
2:22:00
Rank: #4284 (-91)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:27:10
Rank: #4299 (-15)
21M → 35K
5:10 | 6:54/mi
23M
2:36:20
Rank: #4363 (-64)
35K → 23M
9:10 | 7:19/mi
24M
2:43:51
Rank: #4526 (-163)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
2:50:28
Rank: #4690 (-164)
24M → 40K
6:37 | 7:44/mi
25.2M
2:53:31
Rank: #4804 (-114)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:01:38
Rank: #5039 (-235)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:08
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:34:30
Pace7:13 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0220:446:4020:44
6:40
-
10K
6.21 mi10:47:3341:156:3820:31
6:36
-0:04
15K
9.32 mi11:08:101:01:526:3820:37
6:38
+0:02
20K
12.43 mi11:28:571:22:396:3920:47
6:41
+0:03
Half
13.11 mi11:33:261:27:086:394:29
6:34
-0:07
25K
15.53 mi11:49:321:43:146:3916:06
6:38
+0:04
30K
18.64 mi12:10:552:04:376:4121:23
6:53
+0:15
20M
20.00 mi12:20:322:14:146:439:37
7:05
+0:12
21M
21.00 mi12:28:182:22:006:467:46
7:46
+0:41
35K
21.75 mi12:33:282:27:106:465:10
6:54
-0:52
23M
23.00 mi12:42:382:36:206:489:10
7:19
+0:25
24M
24.00 mi12:50:092:43:516:507:31
7:31
+0:12
40K
24.85 mi12:56:462:50:286:526:37
7:44
+0:13
25.2M
25.20 mi12:59:492:53:316:533:03
8:51
+1:07
Finish
26.22 mi13:07:563:01:386:568:07
7:58
-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

6:34 /mi

Average Pace

6:56 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:29

2% of race

Time at Steady Pace

2:14:55

74% of race

Time at Slower Pace

42:14

23% of race

Average Pace: 6:56 /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 mi10:27:0220:446:4020:44
6:40
#5195
10K
6.21 mi10:47:3341:156:3820:31
6:36
#4806
15K
9.32 mi11:08:101:01:526:3820:37
6:38
#4688
20K
12.43 mi11:28:571:22:396:3920:47
6:41
#4555
Half
13.11 mi11:33:261:27:086:394:29
6:34
#4537
25K
15.53 mi11:49:321:43:146:3916:06
6:38
#4328
30K
18.64 mi12:10:552:04:376:4121:23
6:53
#4190
20M
20.00 mi12:20:322:14:146:439:37
7:05
#4193
21M
21.00 mi12:28:182:22:006:467:46
7:46
#4284
35K
21.75 mi12:33:282:27:106:465:10
6:54
#4299
23M
23.00 mi12:42:382:36:206:489:10
7:19
#4363
24M
24.00 mi12:50:092:43:516:507:31
7:31
#4526
40K
24.85 mi12:56:462:50:286:526:37
7:44
#4690
25.2M
25.20 mi12:59:492:53:316:533:03
8:51
#4804
Finish
26.22 mi13:07:563:01:386:568:07
7:58
#5039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5195483748374536(Top 16%)4247(Top 26%)4247(Top 189%)
10K6.21 mi3.10 mi4806+3894494+3434494+3434498(Top 16%)4214(Top 26%)4214(Top 188%)
15K9.32 mi3.11 mi4688+1184387+1074387+1074536(Top 16%)4247(Top 26%)4247(Top 189%)
20K12.43 mi3.11 mi4555+1334264+1234264+1234335(Top 15%)4053(Top 25%)4053(Top 180%)
Half13.11 mi0.68 mi4537+184248+164248+164160(Top 15%)3899(Top 24%)3899(Top 174%)
25K15.53 mi2.42 mi4328+2094058+1904058+1903727(Top 13%)3501(Top 22%)3501(Top 156%)
30K18.64 mi3.11 mi4190+1383924+1343924+1343970(Top 14%)3658(Top 23%)3658(Top 163%)
20M20.00 mi1.36 mi4193-3392439244540(Top 16%)4124(Top 26%)4124(Top 184%)
21M21.00 mi1.00 mi4284-913988-643988-645969(Top 21%)5040(Top 31%)5040(Top 224%)
35K21.75 mi0.75 mi4299-153996-83996-84741(Top 17%)4184(Top 26%)4184(Top 186%)
23M23.00 mi1.25 mi4363-644040-444040-445553(Top 20%)4697(Top 29%)4697(Top 209%)
24M24.00 mi1.00 mi4526-1634172-1324172-1327762(Top 27%)5956(Top 37%)5956(Top 265%)
40K24.85 mi0.85 mi4690-1644305-1334305-1338294(Top 29%)6132(Top 38%)6132(Top 273%)
25.2M25.20 mi0.35 mi4804-1144399-944399-9410778(Top 38%)7332(Top 46%)7332(Top 326%)
Finish26.22 mi1.02 mi5039-2354580-1814580-18112594(Top 44%)8312(Top 52%)8312(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4536

Males

4247

M40-44

4247

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4498

Males

4214

M40-44

4214

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4536

Males

4247

M40-44

4247

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4335

Males

4053

M40-44

4053

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4160

Males

3899

M40-44

3899

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3727

Males

3501

M40-44

3501

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3970

Males

3658

M40-44

3658

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4540

Males

4124

M40-44

4124

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5969

Males

5040

M40-44

5040

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4741

Males

4184

M40-44

4184

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5553

Males

4697

M40-44

4697

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7762

Males

5956

M40-44

5956

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8294

Males

6132

M40-44

6132

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10778

Males

7332

M40-44

7332

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12594

Males

8312

M40-44

8312

Passing Analysis

Category:
Athletes Passed
1511
Passed By
1355
Net Change
+156
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5195
5K → 10K43243+389#5195#4806
10K → 15K18365+118#4806#4688
15K → 20K18249+133#4688#4555
20K → Half2810+18#4555#4537
Half → 25K22213+209#4537#4328
25K → 30K20668+138#4328#4190
30K → 20M7679-3#4190#4193
20M → 21M39130-91#4193#4284
21M → 35K3752-15#4284#4299
35K → 23M50114-64#4299#4363
23M → 24M26189-163#4363#4526
24M → 40K20184-164#4526#4690
40K → 25.2M7121-114#4690#4804
25.2M → Finish3238-235#4804#5039
TOTALS15111355+156
📊

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