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BOSTON MARATHON 2023

Mark Dalmacio

Bib: 5294•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:51
Rank: #6439
Start → 5K
21:51 | 7:02/mi
10K· 6.21 mi
43:14
Rank: #6249 (+190)
5K → 10K
21:23 | 6:53/mi
15K· 9.32 mi
1:04:16
Rank: #5809 (+440)
10K → 15K
21:02 | 6:46/mi
20K· 12.43 mi
1:25:28
Rank: #5537 (+272)
15K → 20K
21:12 | 6:49/mi
Half· 13.11 mi
1:30:06
Rank: #5529 (+8)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:51
Rank: #5432 (+97)
Half → 25K
16:45 | 6:55/mi
30K· 18.64 mi
2:08:48
Rank: #5249 (+183)
25K → 30K
21:57 | 7:04/mi
20M
2:18:27
Rank: #5170 (+79)
30K → 20M
9:39 | 7:06/mi
21M
2:25:46
Rank: #5030 (+140)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:30:48
Rank: #4962 (+68)
21M → 35K
5:02 | 6:44/mi
23M
2:39:24
Rank: #4786 (+176)
35K → 23M
8:36 | 6:52/mi
24M
2:46:14
Rank: #4716 (+70)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:52:10
Rank: #4648 (+68)
24M → 40K
5:56 | 6:56/mi
25.2M
2:54:43
Rank: #4609 (+39)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
3:01:48
Rank: #4574 (+35)
25.2M → Finish
7:05 | 6:57/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:06
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:31:42
Pace7:00 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4321:517:0221:51
7:02
-
10K
6.21 mi10:46:0643:146:5721:23
6:53
-0:09
15K
9.32 mi11:07:081:04:166:5421:02
6:46
-0:07
20K
12.43 mi11:28:201:25:286:5321:12
6:49
+0:03
Half
13.11 mi11:32:581:30:066:524:38
6:47
-0:02
25K
15.53 mi11:49:431:46:516:5316:45
6:55
+0:08
30K
18.64 mi12:11:402:08:486:5521:57
7:04
+0:09
20M
20.00 mi12:21:192:18:276:559:39
7:06
+0:02
21M
21.00 mi12:28:382:25:466:567:19
7:19
+0:13
35K
21.75 mi12:33:402:30:486:565:02
6:44
-0:35
23M
23.00 mi12:42:162:39:246:568:36
6:52
+0:08
24M
24.00 mi12:49:062:46:146:566:50
6:50
-0:02
40K
24.85 mi12:55:022:52:106:565:56
6:56
+0:06
25.2M
25.20 mi12:57:352:54:436:562:33
7:24
+0:28
Finish
26.22 mi13:04:403:01:486:567:05
6:57
-0:27

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

6:56 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:42:17

89% of race

Time at Steady Pace

19:31

11% of race

Time at Slower Pace

0:00

0% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:4321:517:0221:51
7:02
#6439
10K
6.21 mi10:46:0643:146:5721:23
6:53
#6249
15K
9.32 mi11:07:081:04:166:5421:02
6:46
#5809
20K
12.43 mi11:28:201:25:286:5321:12
6:49
#5537
Half
13.11 mi11:32:581:30:066:524:38
6:47
#5529
25K
15.53 mi11:49:431:46:516:5316:45
6:55
#5432
30K
18.64 mi12:11:402:08:486:5521:57
7:04
#5249
20M
20.00 mi12:21:192:18:276:559:39
7:06
#5170
21M
21.00 mi12:28:382:25:466:567:19
7:19
#5030
35K
21.75 mi12:33:402:30:486:565:02
6:44
#4962
23M
23.00 mi12:42:162:39:246:568:36
6:52
#4786
24M
24.00 mi12:49:062:46:146:566:50
6:50
#4716
40K
24.85 mi12:55:022:52:106:565:56
6:56
#4648
25.2M
25.20 mi12:57:352:54:436:562:33
7:24
#4609
Finish
26.22 mi13:04:403:01:486:567:05
6:57
#4574
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6439583758374812(Top 18%)4483(Top 30%)4483(Top 85%)
10K6.21 mi3.10 mi6249+1905675+1625675+1625990(Top 23%)5453(Top 36%)5453(Top 103%)
15K9.32 mi3.11 mi5809+4405330+3455330+3454812(Top 18%)4483(Top 30%)4483(Top 85%)
20K12.43 mi3.11 mi5537+2725106+2245106+2244654(Top 17%)4332(Top 29%)4332(Top 82%)
Half13.11 mi0.68 mi5529+85103+35103+35154(Top 19%)4764(Top 31%)4764(Top 90%)
25K15.53 mi2.42 mi5432+975016+875016+875000(Top 19%)4625(Top 30%)4625(Top 88%)
30K18.64 mi3.11 mi5249+1834855+1614855+1614749(Top 18%)4383(Top 29%)4383(Top 83%)
20M20.00 mi1.36 mi5170+794781+744781+744621(Top 17%)4240(Top 28%)4240(Top 80%)
21M21.00 mi1.00 mi5030+1404654+1274654+1273710(Top 14%)3441(Top 23%)3441(Top 65%)
35K21.75 mi0.75 mi4962+684590+644590+643751(Top 14%)3468(Top 23%)3468(Top 66%)
23M23.00 mi1.25 mi4786+1764445+1454445+1453069(Top 12%)2864(Top 19%)2864(Top 54%)
24M24.00 mi1.00 mi4716+704382+634382+633845(Top 14%)3517(Top 23%)3517(Top 67%)
40K24.85 mi0.85 mi4648+684319+634319+633551(Top 13%)3230(Top 21%)3230(Top 61%)
25.2M25.20 mi0.35 mi4609+394285+344285+343422(Top 13%)3105(Top 20%)3105(Top 59%)
Finish26.22 mi1.02 mi4574+354247+384247+384906(Top 18%)4203(Top 28%)4203(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4812

Males

4483

M18-39

4483

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

5990

Males

5453

M18-39

5453

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4812

Males

4483

M18-39

4483

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4654

Males

4332

M18-39

4332

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5154

Males

4764

M18-39

4764

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5000

Males

4625

M18-39

4625

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4749

Males

4383

M18-39

4383

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4621

Males

4240

M18-39

4240

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3710

Males

3441

M18-39

3441

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3751

Males

3468

M18-39

3468

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3069

Males

2864

M18-39

2864

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3845

Males

3517

M18-39

3517

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3551

Males

3230

M18-39

3230

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3422

Males

3105

M18-39

3105

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4906

Males

4203

M18-39

4203

Passing Analysis

Category:
Athletes Passed
2197
Passed By
332
Net Change
+1865
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6439
5K → 10K308118+190#6439#6249
10K → 15K4499+440#6249#5809
15K → 20K28513+272#5809#5537
20K → Half2214+8#5537#5529
Half → 25K13033+97#5529#5432
25K → 30K22542+183#5432#5249
30K → 20M11132+79#5249#5170
20M → 21M1466+140#5170#5030
21M → 35K702+68#5030#4962
35K → 23M1815+176#4962#4786
23M → 24M8515+70#4786#4716
24M → 40K8012+68#4716#4648
40K → 25.2M434+39#4648#4609
25.2M → Finish6227+35#4609#4574
TOTALS2197332+1865
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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