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BOSTON MARATHON 2025

Brian Lawton

Bib: 8919•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Division (M50-54)
#0 / 1996
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:58
Rank: #5888
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
42:07
Rank: #6082 (-194)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:09
Rank: #5953 (+129)
10K → 15K
21:02 | 6:46/mi
20K· 12.43 mi
1:24:51
Rank: #6199 (-246)
15K → 20K
21:42 | 6:59/mi
Half· 13.11 mi
1:29:33
Rank: #6238 (-39)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:46:26
Rank: #6173 (+65)
Half → 25K
16:53 | 6:58/mi
30K· 18.64 mi
2:08:53
Rank: #6060 (+113)
25K → 30K
22:27 | 7:14/mi
20M
2:18:39
Rank: #5959 (+101)
30K → 20M
9:46 | 7:11/mi
21M
2:26:12
Rank: #5823 (+136)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:31:15
Rank: #5733 (+90)
21M → 35K
5:03 | 6:45/mi
23M
2:40:24
Rank: #5644 (+89)
35K → 23M
9:09 | 7:18/mi
24M
2:47:50
Rank: #5654 (-10)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:54:15
Rank: #5625 (+29)
24M → 40K
6:25 | 7:30/mi
25.2M
2:57:01
Rank: #5598 (+27)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:03:53
Rank: #5491 (+107)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:33
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0520:586:4520:58
6:45
-
10K
6.21 mi11:07:1442:076:4721:09
6:48
+0:03
15K
9.32 mi11:28:161:03:096:4721:02
6:46
-0:02
20K
12.43 mi11:49:581:24:516:5021:42
6:59
+0:13
Half
13.11 mi11:54:401:29:336:504:42
6:53
-0:06
25K
15.53 mi12:11:331:46:266:5116:53
6:58
+0:05
30K
18.64 mi12:34:002:08:536:5522:27
7:14
+0:16
20M
20.00 mi12:43:462:18:396:569:46
7:11
-0:03
21M
21.00 mi12:51:192:26:126:587:33
7:33
+0:22
35K
21.75 mi12:56:222:31:156:575:03
6:45
-0:48
23M
23.00 mi13:05:312:40:246:589:09
7:18
+0:33
24M
24.00 mi13:12:572:47:507:007:26
7:26
+0:08
40K
24.85 mi13:19:222:54:157:016:25
7:30
+0:04
25.2M
25.20 mi13:22:082:57:017:012:46
8:01
+0:31
Finish
26.22 mi13:29:003:03:537:016:52
6:44
-1:17

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

6:44 /mi

Average Pace

7:01 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:43

87% of race

Time at Steady Pace

21:24

12% of race

Time at Slower Pace

2:46

2% of race

Average Pace: 7:01 /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 mi10:46:0520:586:4520:58
6:45
#5888
10K
6.21 mi11:07:1442:076:4721:09
6:48
#6082
15K
9.32 mi11:28:161:03:096:4721:02
6:46
#5953
20K
12.43 mi11:49:581:24:516:5021:42
6:59
#6199
Half
13.11 mi11:54:401:29:336:504:42
6:53
#6238
25K
15.53 mi12:11:331:46:266:5116:53
6:58
#6173
30K
18.64 mi12:34:002:08:536:5522:27
7:14
#6060
20M
20.00 mi12:43:462:18:396:569:46
7:11
#5959
21M
21.00 mi12:51:192:26:126:587:33
7:33
#5823
35K
21.75 mi12:56:222:31:156:575:03
6:45
#5733
23M
23.00 mi13:05:312:40:246:589:09
7:18
#5644
24M
24.00 mi13:12:572:47:507:007:26
7:26
#5654
40K
24.85 mi13:19:222:54:157:016:25
7:30
#5625
25.2M
25.20 mi13:22:082:57:017:012:46
8:01
#5598
Finish
26.22 mi13:29:003:03:537:016:52
6:44
#5491
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5888542354235785(Top 20%)5274(Top 33%)5274(Top 264%)
10K6.21 mi3.10 mi6082-1945579-1565579-1566466(Top 23%)5854(Top 36%)5854(Top 293%)
15K9.32 mi3.11 mi5953+1295458+1215458+1215785(Top 20%)5274(Top 33%)5274(Top 264%)
20K12.43 mi3.11 mi6199-2465644-1865644-1866782(Top 24%)6043(Top 38%)6043(Top 303%)
Half13.11 mi0.68 mi6238-395669-255669-256801(Top 24%)6066(Top 38%)6066(Top 304%)
25K15.53 mi2.42 mi6173+655594+755594+756068(Top 21%)5453(Top 34%)5453(Top 273%)
30K18.64 mi3.11 mi6060+1135482+1125482+1126041(Top 21%)5338(Top 33%)5338(Top 267%)
20M20.00 mi1.36 mi5959+1015390+925390+925141(Top 18%)4590(Top 29%)4590(Top 230%)
21M21.00 mi1.00 mi5823+1365274+1165274+1164879(Top 17%)4289(Top 27%)4289(Top 215%)
35K21.75 mi0.75 mi5733+905196+785196+783853(Top 14%)3475(Top 22%)3475(Top 174%)
23M23.00 mi1.25 mi5644+895108+885108+885517(Top 19%)4680(Top 29%)4680(Top 234%)
24M24.00 mi1.00 mi5654-105098+105098+107227(Top 25%)5660(Top 35%)5660(Top 284%)
40K24.85 mi0.85 mi5625+295064+345064+346819(Top 24%)5324(Top 33%)5324(Top 267%)
25.2M25.20 mi0.35 mi5598+275033+315033+316042(Top 21%)4768(Top 30%)4768(Top 239%)
Finish26.22 mi1.02 mi5491+1074939+944939+944140(Top 15%)3543(Top 22%)3543(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5785

Males

5274

M50-54

5274

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6466

Males

5854

M50-54

5854

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5785

Males

5274

M50-54

5274

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6782

Males

6043

M50-54

6043

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6801

Males

6066

M50-54

6066

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6068

Males

5453

M50-54

5453

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

6041

Males

5338

M50-54

5338

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5141

Males

4590

M50-54

4590

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4879

Males

4289

M50-54

4289

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3853

Males

3475

M50-54

3475

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5517

Males

4680

M50-54

4680

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7227

Males

5660

M50-54

5660

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6819

Males

5324

M50-54

5324

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6042

Males

4768

M50-54

4768

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4140

Males

3543

M50-54

3543

Passing Analysis

Category:
Athletes Passed
1555
Passed By
1158
Net Change
+397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5888
5K → 10K112306-194#5888#6082
10K → 15K19970+129#6082#5953
15K → 20K89335-246#5953#6199
20K → Half1554-39#6199#6238
Half → 25K15186+65#6238#6173
25K → 30K219106+113#6173#6060
30K → 20M12827+101#6060#5959
20M → 21M14913+136#5959#5823
21M → 35K988+90#5823#5733
35K → 23M12233+89#5733#5644
23M → 24M4959-10#5644#5654
24M → 40K6738+29#5654#5625
40K → 25.2M4114+27#5625#5598
25.2M → Finish1169+107#5598#5491
TOTALS15551158+397
📊

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