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BOSTON MARATHON 2025

Dominic Smargiassi

Bib: 3291•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:53
Rank: #3110
Start → 5K
19:53 | 6:24/mi
10K· 6.21 mi
39:54
Rank: #3203 (-93)
5K → 10K
20:01 | 6:27/mi
15K· 9.32 mi
59:48
Rank: #3113 (+90)
10K → 15K
19:54 | 6:24/mi
20K· 12.43 mi
1:19:52
Rank: #3019 (+94)
15K → 20K
20:04 | 6:28/mi
Half· 13.11 mi
1:24:14
Rank: #3029 (-10)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:39:56
Rank: #2952 (+77)
Half → 25K
15:42 | 6:29/mi
30K· 18.64 mi
2:00:22
Rank: #2760 (+192)
25K → 30K
20:26 | 6:35/mi
20M
2:09:20
Rank: #2671 (+89)
30K → 20M
8:58 | 6:36/mi
21M
2:16:12
Rank: #2582 (+89)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:20:54
Rank: #2518 (+64)
21M → 35K
4:42 | 6:17/mi
23M
2:29:06
Rank: #2423 (+95)
35K → 23M
8:12 | 6:33/mi
24M
2:35:33
Rank: #2374 (+49)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:41:12
Rank: #2331 (+43)
24M → 40K
5:39 | 6:36/mi
25.2M
2:43:41
Rank: #2319 (+12)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:50:12
Rank: #2305 (+14)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:14
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:25:58
Pace6:33 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4319:536:2419:53
6:24
-
10K
6.21 mi10:41:4439:546:2520:01
6:27
+0:03
15K
9.32 mi11:01:3859:486:2519:54
6:24
-0:03
20K
12.43 mi11:21:421:19:526:2620:04
6:28
+0:04
Half
13.11 mi11:26:041:24:146:264:22
6:24
-0:04
25K
15.53 mi11:41:461:39:566:2615:42
6:29
+0:05
30K
18.64 mi12:02:122:00:226:2720:26
6:35
+0:06
20M
20.00 mi12:11:102:09:206:288:58
6:36
+0:01
21M
21.00 mi12:18:022:16:126:296:52
6:52
+0:16
35K
21.75 mi12:22:442:20:546:294:42
6:17
-0:35
23M
23.00 mi12:30:562:29:066:298:12
6:33
+0:16
24M
24.00 mi12:37:232:35:336:296:27
6:27
-0:06
40K
24.85 mi12:43:022:41:126:295:39
6:36
+0:09
25.2M
25.20 mi12:45:312:43:416:302:29
7:12
+0:36
Finish
26.22 mi12:52:022:50:126:306:31
6:24
-0:48

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

6:17 /mi

Average Pace

6:30 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:43

99% of race

Time at Steady Pace

2:29

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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 mi10:21:4319:536:2419:53
6:24
#3110
10K
6.21 mi10:41:4439:546:2520:01
6:27
#3203
15K
9.32 mi11:01:3859:486:2519:54
6:24
#3113
20K
12.43 mi11:21:421:19:526:2620:04
6:28
#3019
Half
13.11 mi11:26:041:24:146:264:22
6:24
#3029
25K
15.53 mi11:41:461:39:566:2615:42
6:29
#2952
30K
18.64 mi12:02:122:00:226:2720:26
6:35
#2760
20M
20.00 mi12:11:102:09:206:288:58
6:36
#2671
21M
21.00 mi12:18:022:16:126:296:52
6:52
#2582
35K
21.75 mi12:22:442:20:546:294:42
6:17
#2518
23M
23.00 mi12:30:562:29:066:298:12
6:33
#2423
24M
24.00 mi12:37:232:35:336:296:27
6:27
#2374
40K
24.85 mi12:43:022:41:126:295:39
6:36
#2331
25.2M
25.20 mi12:45:312:43:416:302:29
7:12
#2319
Finish
26.22 mi12:52:022:50:126:306:31
6:24
#2305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3110295429542962(Top 10%)2821(Top 18%)2821(Top 50%)
10K6.21 mi3.10 mi3203-933045-913045-913316(Top 12%)3151(Top 20%)3151(Top 56%)
15K9.32 mi3.11 mi3113+902963+822963+822962(Top 10%)2821(Top 18%)2821(Top 50%)
20K12.43 mi3.11 mi3019+942878+852878+852864(Top 10%)2727(Top 17%)2727(Top 48%)
Half13.11 mi0.68 mi3029-102888-102888-103009(Top 11%)2870(Top 18%)2870(Top 51%)
25K15.53 mi2.42 mi2952+772814+742814+742743(Top 10%)2610(Top 16%)2610(Top 46%)
30K18.64 mi3.11 mi2760+1922631+1832631+1832309(Top 8%)2187(Top 14%)2187(Top 39%)
20M20.00 mi1.36 mi2671+892546+852546+852012(Top 7%)1902(Top 12%)1902(Top 34%)
21M21.00 mi1.00 mi2582+892461+852461+851751(Top 6%)1652(Top 10%)1652(Top 29%)
35K21.75 mi0.75 mi2518+642398+632398+631540(Top 5%)1450(Top 9%)1450(Top 26%)
23M23.00 mi1.25 mi2423+952307+912307+911631(Top 6%)1524(Top 9%)1524(Top 27%)
24M24.00 mi1.00 mi2374+492260+472260+471848(Top 7%)1717(Top 11%)1717(Top 30%)
40K24.85 mi0.85 mi2331+432218+422218+421991(Top 7%)1834(Top 11%)1834(Top 33%)
25.2M25.20 mi0.35 mi2319+122203+152203+152112(Top 7%)1901(Top 12%)1901(Top 34%)
Finish26.22 mi1.02 mi2305+142187+162187+162277(Top 8%)2080(Top 13%)2080(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2962

Males

2821

M18-39

2821

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3316

Males

3151

M18-39

3151

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2962

Males

2821

M18-39

2821

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2864

Males

2727

M18-39

2727

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3009

Males

2870

M18-39

2870

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2743

Males

2610

M18-39

2610

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2309

Males

2187

M18-39

2187

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2012

Males

1902

M18-39

1902

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1751

Males

1652

M18-39

1652

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1540

Males

1450

M18-39

1450

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1631

Males

1524

M18-39

1524

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1848

Males

1717

M18-39

1717

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1991

Males

1834

M18-39

1834

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2112

Males

1901

M18-39

1901

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2277

Males

2080

M18-39

2080

Passing Analysis

Category:
Athletes Passed
1257
Passed By
452
Net Change
+805
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3110
5K → 10K99192-93#3110#3203
10K → 15K13343+90#3203#3113
15K → 20K13137+94#3113#3019
20K → Half1222-10#3019#3029
Half → 25K10629+77#3029#2952
25K → 30K21422+192#2952#2760
30K → 20M10617+89#2760#2671
20M → 21M10415+89#2671#2582
21M → 35K684+64#2582#2518
35K → 23M1049+95#2518#2423
23M → 24M6415+49#2423#2374
24M → 40K529+43#2374#2331
40K → 25.2M208+12#2331#2319
25.2M → Finish4430+14#2319#2305
TOTALS1257452+805
📊

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