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BOSTON MARATHON 2025

Peter Smithson

Bib: 18043•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:25
Rank: #12570
Start → 5K
23:25 | 7:32/mi
10K· 6.21 mi
45:50
Rank: #11015 (+1555)
5K → 10K
22:25 | 7:13/mi
15K· 9.32 mi
1:08:05
Rank: #10243 (+772)
10K → 15K
22:15 | 7:10/mi
20K· 12.43 mi
1:30:26
Rank: #9660 (+583)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:35:14
Rank: #9542 (+118)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:52:49
Rank: #9242 (+300)
Half → 25K
17:35 | 7:15/mi
30K· 18.64 mi
2:17:21
Rank: #9427 (-185)
25K → 30K
24:32 | 7:54/mi
20M
2:28:59
Rank: #9784 (-357)
30K → 20M
11:38 | 8:34/mi
21M
2:38:20
Rank: #10160 (-376)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
2:44:56
Rank: #10478 (-318)
21M → 35K
6:36 | 8:49/mi
23M
2:56:31
Rank: #10941 (-463)
35K → 23M
11:35 | 9:15/mi
24M
3:12:36
Rank: #13594 (-2653)
23M → 24M
16:05 | 16:05/mi
40K· 24.85 mi
3:22:23
Rank: #14340 (-746)
24M → 40K
9:47 | 11:27/mi
25.2M
3:27:14
Rank: #14772 (-432)
40K → 25.2M
4:51 | 14:04/mi
Finish· 26.22 mi
3:38:52
Rank: #15581 (-809)
25.2M → Finish
11:38 | 11:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:14
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time2:03:38
Pace9:26 /mi
📊Positive Split: 29.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1623:257:3223:25
7:32
-
10K
6.21 mi11:36:4145:507:2322:25
7:13
-0:19
15K
9.32 mi11:58:561:08:057:1822:15
7:10
-0:03
20K
12.43 mi12:21:171:30:267:1722:21
7:12
+0:02
Half
13.11 mi12:26:051:35:147:164:48
7:02
-0:10
25K
15.53 mi12:43:401:52:497:1617:35
7:15
+0:13
30K
18.64 mi13:08:122:17:217:2224:32
7:54
+0:39
20M
20.00 mi13:19:502:28:597:2711:38
8:34
+0:40
21M
21.00 mi13:29:112:38:207:329:21
9:21
+0:47
35K
21.75 mi13:35:472:44:567:356:36
8:49
-0:32
23M
23.00 mi13:47:222:56:317:4011:35
9:15
+0:26
24M
24.00 mi14:03:273:12:368:0216:05
16:05
+6:50
40K
24.85 mi14:13:143:22:238:099:47
11:27
-4:38
25.2M
25.20 mi14:18:053:27:148:134:51
14:04
+2:37
Finish
26.22 mi14:29:433:38:528:2111:38
11:25
-2:39

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

7:02 /mi

Average Pace

8:21 /mi

Slowest Pace

16:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:49

33% of race

Time at Steady Pace

1:44:42

48% of race

Time at Slower Pace

42:21

19% of race

Average Pace: 8:21 /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 mi11:14:1623:257:3223:25
7:32
#12570
10K
6.21 mi11:36:4145:507:2322:25
7:13
#11015
15K
9.32 mi11:58:561:08:057:1822:15
7:10
#10243
20K
12.43 mi12:21:171:30:267:1722:21
7:12
#9660
Half
13.11 mi12:26:051:35:147:164:48
7:02
#9542
25K
15.53 mi12:43:401:52:497:1617:35
7:15
#9242
30K
18.64 mi13:08:122:17:217:2224:32
7:54
#9427
20M
20.00 mi13:19:502:28:597:2711:38
8:34
#9784
21M
21.00 mi13:29:112:38:207:329:21
9:21
#10160
35K
21.75 mi13:35:472:44:567:356:36
8:49
#10478
23M
23.00 mi13:47:222:56:317:4011:35
9:15
#10941
24M
24.00 mi14:03:273:12:368:0216:05
16:05
#13594
40K
24.85 mi14:13:143:22:238:099:47
11:27
#14340
25.2M
25.20 mi14:18:053:27:148:134:51
14:04
#14772
Finish
26.22 mi14:29:433:38:528:2111:38
11:25
#15581
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi12570943994398800(Top 31%)7440(Top 46%)7440(Top 451%)
10K6.21 mi3.10 mi11015+15558680+7598680+7599623(Top 34%)7948(Top 49%)7948(Top 482%)
15K9.32 mi3.11 mi10243+7728269+4118269+4118800(Top 31%)7440(Top 46%)7440(Top 451%)
20K12.43 mi3.11 mi9660+5837919+3507919+3508158(Top 29%)6972(Top 43%)6972(Top 423%)
Half13.11 mi0.68 mi9542+1187848+717848+717855(Top 28%)6817(Top 42%)6817(Top 414%)
25K15.53 mi2.42 mi9242+3007658+1907658+1908004(Top 28%)6773(Top 42%)6773(Top 411%)
30K18.64 mi3.11 mi9427-1857708-507708-5010601(Top 37%)7983(Top 50%)7983(Top 484%)
20M20.00 mi1.36 mi9784-3577864-1567864-15614163(Top 50%)9534(Top 59%)9534(Top 579%)
21M21.00 mi1.00 mi10160-3768016-1528016-15215379(Top 54%)9951(Top 62%)9951(Top 604%)
35K21.75 mi0.75 mi10478-3188154-1388154-13817332(Top 61%)10736(Top 67%)10736(Top 651%)
23M23.00 mi1.25 mi10941-4638327-1738327-17317545(Top 62%)10744(Top 67%)10744(Top 652%)
24M24.00 mi1.00 mi13594-26539526-11999526-119928243(Top 99%)15988(Top 99%)15988(Top 970%)
40K24.85 mi0.85 mi14340-7469836-3109836-31024021(Top 85%)13781(Top 86%)13781(Top 836%)
25.2M25.20 mi0.35 mi14772-43210025-18910025-18926343(Top 93%)14913(Top 93%)14913(Top 905%)
Finish26.22 mi1.02 mi15581-80910339-31410339-31426016(Top 92%)14792(Top 92%)14792(Top 898%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8800

Males

7440

M55-59

7440

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9623

Males

7948

M55-59

7948

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8800

Males

7440

M55-59

7440

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

8158

Males

6972

M55-59

6972

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7855

Males

6817

M55-59

6817

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

8004

Males

6773

M55-59

6773

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10601

Males

7983

M55-59

7983

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14163

Males

9534

M55-59

9534

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15379

Males

9951

M55-59

9951

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17332

Males

10736

M55-59

10736

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17545

Males

10744

M55-59

10744

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

28243

Males

15988

M55-59

15988

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24021

Males

13781

M55-59

13781

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26343

Males

14913

M55-59

14913

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

26016

Males

14792

M55-59

14792

Passing Analysis

Category:
Athletes Passed
3673*
Passed By
6681
Net Change
-3011
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12570
5K → 10K156813+1555#12570#11015
10K → 15K7775+772#11015#10243
15K → 20K588*5+583#10243#9660
20K → Half1213+118#9660#9542
Half → 25K32525+300#9542#9242
25K → 30K175360-185#9242#9427
30K → 20M42398-357#9427#9784
20M → 21M28402-376#9784#10160
21M → 35K9327-318#10160#10478
35K → 23M27490-463#10478#10941
23M → 24M12654-2653#10941#13594
24M → 40K8754-746#13594#14340
40K → 25.2M2434-432#14340#14772
25.2M → Finish2811-809#14772#15581
TOTALS3673*6681-3011

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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