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BOSTON MARATHON 2023

Joshua Smith

Bib: 3976•M

FL

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0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Top 50%
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
21:02
Rank: #4388
Start → 5K
21:02 | 6:46/mi
10K· 6.21 mi
41:31
Rank: #3796 (+592)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:02:24
Rank: #3972 (-176)
10K → 15K
20:53 | 6:43/mi
20K· 12.43 mi
1:23:35
Rank: #4134 (-162)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:28:07
Rank: #4106 (+28)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:40
Rank: #4124 (-18)
Half → 25K
16:33 | 6:50/mi
30K· 18.64 mi
2:06:28
Rank: #4162 (-38)
25K → 30K
21:48 | 7:01/mi
20M
2:15:56
Rank: #4125 (+37)
30K → 20M
9:28 | 6:58/mi
21M
2:23:17
Rank: #4082 (+43)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:28:31
Rank: #4140 (-58)
21M → 35K
5:14 | 7:00/mi
23M
2:37:26
Rank: #4162 (-22)
35K → 23M
8:55 | 7:07/mi
24M
2:44:15
Rank: #4119 (+43)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:50:17
Rank: #4124 (-5)
24M → 40K
6:02 | 7:03/mi
25.2M
2:52:47
Rank: #4090 (+34)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:59:29
Rank: #4026 (+64)
25.2M → Finish
6:42 | 6:34/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:07
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:31:22
Pace6:58 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2621:026:4621:02
6:46
-
10K
6.21 mi10:42:5541:316:4120:29
6:36
-0:10
15K
9.32 mi11:03:481:02:246:4220:53
6:43
+0:07
20K
12.43 mi11:24:591:23:356:4421:11
6:49
+0:06
Half
13.11 mi11:29:311:28:076:434:32
6:39
-0:10
25K
15.53 mi11:46:041:44:406:4416:33
6:50
+0:11
30K
18.64 mi12:07:522:06:286:4721:48
7:01
+0:11
20M
20.00 mi12:17:202:15:566:489:28
6:58
-0:03
21M
21.00 mi12:24:412:23:176:497:21
7:21
+0:23
35K
21.75 mi12:29:552:28:316:505:14
7:00
-0:21
23M
23.00 mi12:38:502:37:266:518:55
7:07
+0:07
24M
24.00 mi12:45:392:44:156:516:49
6:49
-0:18
40K
24.85 mi12:51:412:50:176:516:02
7:03
+0:14
25.2M
25.20 mi12:54:112:52:476:512:30
7:15
+0:12
Finish
26.22 mi13:00:532:59:296:516:42
6:34
-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

6:34 /mi

Average Pace

6:51 /mi

Slowest Pace

7:21 /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

2:49:38

95% of race

Time at Steady Pace

9:51

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:22:2621:026:4621:02
6:46
#4388
10K
6.21 mi10:42:5541:316:4120:29
6:36
#3796
15K
9.32 mi11:03:481:02:246:4220:53
6:43
#3972
20K
12.43 mi11:24:591:23:356:4421:11
6:49
#4134
Half
13.11 mi11:29:311:28:076:434:32
6:39
#4106
25K
15.53 mi11:46:041:44:406:4416:33
6:50
#4124
30K
18.64 mi12:07:522:06:286:4721:48
7:01
#4162
20M
20.00 mi12:17:202:15:566:489:28
6:58
#4125
21M
21.00 mi12:24:412:23:176:497:21
7:21
#4082
35K
21.75 mi12:29:552:28:316:505:14
7:00
#4140
23M
23.00 mi12:38:502:37:266:518:55
7:07
#4162
24M
24.00 mi12:45:392:44:156:516:49
6:49
#4119
40K
24.85 mi12:51:412:50:176:516:02
7:03
#4124
25.2M
25.20 mi12:54:112:52:476:512:30
7:15
#4090
Finish
26.22 mi13:00:532:59:296:516:42
6:34
#4026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4388409640964369(Top 16%)4088(Top 27%)4088(Top 77%)
10K6.21 mi3.10 mi3796+5923575+5213575+5213471(Top 13%)3287(Top 22%)3287(Top 62%)
15K9.32 mi3.11 mi3972-1763739-1643739-1644369(Top 16%)4088(Top 27%)4088(Top 77%)
20K12.43 mi3.11 mi4134-1623879-1403879-1404633(Top 17%)4311(Top 28%)4311(Top 82%)
Half13.11 mi0.68 mi4106+283851+283851+283934(Top 15%)3688(Top 24%)3688(Top 70%)
25K15.53 mi2.42 mi4124-183868-173868-174404(Top 17%)4102(Top 27%)4102(Top 78%)
30K18.64 mi3.11 mi4162-383912-443912-444484(Top 17%)4153(Top 27%)4153(Top 79%)
20M20.00 mi1.36 mi4125+373874+383874+383858(Top 14%)3587(Top 24%)3587(Top 68%)
21M21.00 mi1.00 mi4082+433829+453829+453921(Top 15%)3614(Top 24%)3614(Top 68%)
35K21.75 mi0.75 mi4140-583875-463875-465373(Top 20%)4770(Top 31%)4770(Top 90%)
23M23.00 mi1.25 mi4162-223897-223897-224442(Top 17%)4028(Top 27%)4028(Top 76%)
24M24.00 mi1.00 mi4119+433856+413856+413783(Top 14%)3455(Top 23%)3455(Top 65%)
40K24.85 mi0.85 mi4124-53860-43860-44196(Top 16%)3732(Top 25%)3732(Top 71%)
25.2M25.20 mi0.35 mi4090+343829+313829+312827(Top 11%)2583(Top 17%)2583(Top 49%)
Finish26.22 mi1.02 mi4026+643767+623767+622895(Top 11%)2620(Top 17%)2620(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4369

Males

4088

M18-39

4088

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3471

Males

3287

M18-39

3287

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4369

Males

4088

M18-39

4088

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4633

Males

4311

M18-39

4311

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3934

Males

3688

M18-39

3688

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4404

Males

4102

M18-39

4102

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4484

Males

4153

M18-39

4153

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3858

Males

3587

M18-39

3587

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3921

Males

3614

M18-39

3614

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5373

Males

4770

M18-39

4770

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4442

Males

4028

M18-39

4028

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3783

Males

3455

M18-39

3455

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4196

Males

3732

M18-39

3732

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2827

Males

2583

M18-39

2583

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2895

Males

2620

M18-39

2620

Passing Analysis

Category:
Athletes Passed
1462
Passed By
1100
Net Change
+362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4388
5K → 10K63745+592#4388#3796
10K → 15K60236-176#3796#3972
15K → 20K54216-162#3972#4134
20K → Half4012+28#4134#4106
Half → 25K6583-18#4106#4124
25K → 30K109147-38#4124#4162
30K → 20M7942+37#4162#4125
20M → 21M9754+43#4125#4082
21M → 35K1775-58#4082#4140
35K → 23M5274-22#4140#4162
23M → 24M7734+43#4162#4119
24M → 40K4752-5#4119#4124
40K → 25.2M4410+34#4124#4090
25.2M → Finish8420+64#4090#4026
TOTALS14621100+362
📊

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