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BOSTON MARATHON 2025

Seth Siciliano

Bib: 5510•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Masters (Masters Men)
#0 / 10463
Top 9%
Division (M45-49)
#0 / 2386
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #5665
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:32
Rank: #5219 (+446)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:06
Rank: #4888 (+331)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:23:17
Rank: #5001 (-113)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:27:52
Rank: #5017 (-16)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:18
Rank: #4925 (+92)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:05:50
Rank: #4743 (+182)
25K → 30K
21:32 | 6:56/mi
20M
2:15:00
Rank: #4511 (+232)
30K → 20M
9:10 | 6:45/mi
21M
2:22:35
Rank: #4522 (-11)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:27:32
Rank: #4419 (+103)
21M → 35K
4:57 | 6:37/mi
23M
2:35:57
Rank: #4236 (+183)
35K → 23M
8:25 | 6:43/mi
24M
2:42:35
Rank: #4115 (+121)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:48:18
Rank: #4009 (+106)
24M → 40K
5:43 | 6:41/mi
25.2M
2:50:41
Rank: #3934 (+75)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:57:02
Rank: #3753 (+181)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:52
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:29:10
Pace6:48 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3420:546:4420:54
6:44
-
10K
6.21 mi10:45:1241:326:4120:38
6:38
-0:06
15K
9.32 mi11:05:461:02:066:4020:34
6:37
-0:01
20K
12.43 mi11:26:571:23:176:4221:11
6:49
+0:12
Half
13.11 mi11:31:321:27:526:424:35
6:43
-0:06
25K
15.53 mi11:47:581:44:186:4316:26
6:47
+0:04
30K
18.64 mi12:09:302:05:506:4521:32
6:56
+0:09
20M
20.00 mi12:18:402:15:006:459:10
6:45
-0:11
21M
21.00 mi12:26:152:22:356:477:35
7:35
+0:50
35K
21.75 mi12:31:122:27:326:474:57
6:37
-0:58
23M
23.00 mi12:39:372:35:576:478:25
6:43
+0:06
24M
24.00 mi12:46:152:42:356:466:38
6:38
-0:05
40K
24.85 mi12:51:582:48:186:465:43
6:41
+0:03
25.2M
25.20 mi12:54:212:50:416:462:23
6:55
+0:14
Finish
26.22 mi13:00:422:57:026:456:21
6:14
-0:41

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

6:14 /mi

Average Pace

6:45 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:21

4% of race

Time at Steady Pace

2:19:11

79% of race

Time at Slower Pace

31:30

18% of race

Average Pace: 6:45 /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 mi10:24:3420:546:4420:54
6:44
#5665
10K
6.21 mi10:45:1241:326:4120:38
6:38
#5219
15K
9.32 mi11:05:461:02:066:4020:34
6:37
#4888
20K
12.43 mi11:26:571:23:176:4221:11
6:49
#5001
Half
13.11 mi11:31:321:27:526:424:35
6:43
#5017
25K
15.53 mi11:47:581:44:186:4316:26
6:47
#4925
30K
18.64 mi12:09:302:05:506:4521:32
6:56
#4743
20M
20.00 mi12:18:402:15:006:459:10
6:45
#4511
21M
21.00 mi12:26:152:22:356:477:35
7:35
#4522
35K
21.75 mi12:31:122:27:326:474:57
6:37
#4419
23M
23.00 mi12:39:372:35:576:478:25
6:43
#4236
24M
24.00 mi12:46:152:42:356:466:38
6:38
#4115
40K
24.85 mi12:51:582:48:186:465:43
6:41
#4009
25.2M
25.20 mi12:54:212:50:416:462:23
6:55
#3934
Finish
26.22 mi13:00:422:57:026:456:21
6:14
#3753
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5665523252324375(Top 15%)4105(Top 25%)4105(Top 172%)
10K6.21 mi3.10 mi5219+4464852+3804852+3804783(Top 17%)4473(Top 28%)4473(Top 187%)
15K9.32 mi3.11 mi4888+3314565+2874565+2874375(Top 15%)4105(Top 25%)4105(Top 172%)
20K12.43 mi3.11 mi5001-1134655-904655-905456(Top 19%)4983(Top 31%)4983(Top 209%)
Half13.11 mi0.68 mi5017-164664-94664-95336(Top 19%)4891(Top 30%)4891(Top 205%)
25K15.53 mi2.42 mi4925+924577+874577+874677(Top 16%)4306(Top 27%)4306(Top 180%)
30K18.64 mi3.11 mi4743+1824395+1824395+1824264(Top 15%)3914(Top 24%)3914(Top 164%)
20M20.00 mi1.36 mi4511+2324191+2044191+2042667(Top 9%)2501(Top 16%)2501(Top 105%)
21M21.00 mi1.00 mi4522-114196-54196-54993(Top 18%)4360(Top 27%)4360(Top 183%)
35K21.75 mi0.75 mi4419+1034100+964100+963038(Top 11%)2793(Top 17%)2793(Top 117%)
23M23.00 mi1.25 mi4236+1833934+1663934+1662345(Top 8%)2183(Top 14%)2183(Top 91%)
24M24.00 mi1.00 mi4115+1213818+1163818+1162637(Top 9%)2420(Top 15%)2420(Top 101%)
40K24.85 mi0.85 mi4009+1063719+993719+992304(Top 8%)2109(Top 13%)2109(Top 88%)
25.2M25.20 mi0.35 mi3934+753652+673652+671263(Top 4%)1165(Top 7%)1165(Top 49%)
Finish26.22 mi1.02 mi3753+1813486+1663486+1661627(Top 6%)1511(Top 9%)1511(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4375

Males

4105

M45-49

4105

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4783

Males

4473

M45-49

4473

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4375

Males

4105

M45-49

4105

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5456

Males

4983

M45-49

4983

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5336

Males

4891

M45-49

4891

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4677

Males

4306

M45-49

4306

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4264

Males

3914

M45-49

3914

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2667

Males

2501

M45-49

2501

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4993

Males

4360

M45-49

4360

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3038

Males

2793

M45-49

2793

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2345

Males

2183

M45-49

2183

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2637

Males

2420

M45-49

2420

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2304

Males

2109

M45-49

2109

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1263

Males

1165

M45-49

1165

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1627

Males

1511

M45-49

1511

Passing Analysis

Category:
Athletes Passed
2444
Passed By
532
Net Change
+1912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5665
5K → 10K48640+446#5665#5219
10K → 15K35625+331#5219#4888
15K → 20K97210-113#4888#5001
20K → Half2137-16#5001#5017
Half → 25K14351+92#5017#4925
25K → 30K25068+182#4925#4743
30K → 20M2331+232#4743#4511
20M → 21M7182-11#4511#4522
21M → 35K1063+103#4522#4419
35K → 23M1907+183#4419#4236
23M → 24M1243+121#4236#4115
24M → 40K1071+106#4115#4009
40K → 25.2M750+75#4009#3934
25.2M → Finish1854+181#3934#3753
TOTALS2444532+1912
📊

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