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BOSTON MARATHON 2023

Luke Smith

Bib: 1925•M

TX

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 15%
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
18:33
Rank: #637
Start → 5K
18:33 | 5:58/mi
10K· 6.21 mi
37:09
Rank: #691 (-54)
5K → 10K
18:36 | 5:59/mi
15K· 9.32 mi
56:05
Rank: #757 (-66)
10K → 15K
18:56 | 6:06/mi
20K· 12.43 mi
1:15:14
Rank: #782 (-25)
15K → 20K
19:09 | 6:10/mi
Half· 13.11 mi
1:19:21
Rank: #789 (-7)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:34:23
Rank: #797 (-8)
Half → 25K
15:02 | 6:12/mi
30K· 18.64 mi
1:54:11
Rank: #837 (-40)
25K → 30K
19:48 | 6:22/mi
20M
2:03:17
Rank: #889 (-52)
30K → 20M
9:06 | 6:41/mi
21M
2:09:58
Rank: #886 (+3)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:14:45
Rank: #903 (-17)
21M → 35K
4:47 | 6:24/mi
23M
2:23:12
Rank: #940 (-37)
35K → 23M
8:27 | 6:45/mi
24M
2:29:46
Rank: #966 (-26)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:35:33
Rank: #986 (-20)
24M → 40K
5:47 | 6:46/mi
25.2M
2:38:05
Rank: #1009 (-23)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:44:34
Rank: #1022 (-13)
25.2M → Finish
6:29 | 6:22/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:21
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:25:13
Pace6:30 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0718:335:5818:33
5:58
-
10K
6.21 mi10:37:4337:095:5918:36
5:59
+0:01
15K
9.32 mi10:56:3956:056:0118:56
6:06
+0:07
20K
12.43 mi11:15:481:15:146:0319:09
6:10
+0:04
Half
13.11 mi11:19:551:19:216:034:07
6:02
-0:08
25K
15.53 mi11:34:571:34:236:0515:02
6:12
+0:10
30K
18.64 mi11:54:451:54:116:0819:48
6:22
+0:10
20M
20.00 mi12:03:512:03:176:109:06
6:41
+0:19
21M
21.00 mi12:10:322:09:586:116:41
6:41
0:00
35K
21.75 mi12:15:192:14:456:124:47
6:24
-0:17
23M
23.00 mi12:23:462:23:126:148:27
6:45
+0:21
24M
24.00 mi12:30:202:29:466:146:34
6:34
-0:11
40K
24.85 mi12:36:072:35:336:165:47
6:46
+0:12
25.2M
25.20 mi12:38:392:38:056:162:32
7:21
+0:35
Finish
26.22 mi12:45:082:44:346:176:29
6:22
-0:59

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

5:58 /mi

Average Pace

6:17 /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

1:19:21

48% of race

Time at Steady Pace

46:06

28% of race

Time at Slower Pace

39:07

24% of race

Average Pace: 6:17 /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 mi10:19:0718:335:5818:33
5:58
#637
10K
6.21 mi10:37:4337:095:5918:36
5:59
#691
15K
9.32 mi10:56:3956:056:0118:56
6:06
#757
20K
12.43 mi11:15:481:15:146:0319:09
6:10
#782
Half
13.11 mi11:19:551:19:216:034:07
6:02
#789
25K
15.53 mi11:34:571:34:236:0515:02
6:12
#797
30K
18.64 mi11:54:451:54:116:0819:48
6:22
#837
20M
20.00 mi12:03:512:03:176:109:06
6:41
#889
21M
21.00 mi12:10:322:09:586:116:41
6:41
#886
35K
21.75 mi12:15:192:14:456:124:47
6:24
#903
23M
23.00 mi12:23:462:23:126:148:27
6:45
#940
24M
24.00 mi12:30:202:29:466:146:34
6:34
#966
40K
24.85 mi12:36:072:35:336:165:47
6:46
#986
25.2M
25.20 mi12:38:392:38:056:162:32
7:21
#1009
Finish
26.22 mi12:45:082:44:346:176:29
6:22
#1022
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi637593593955(Top 4%)906(Top 6%)906(Top 17%)
10K6.21 mi3.10 mi691-54647-54647-54766(Top 3%)722(Top 5%)722(Top 14%)
15K9.32 mi3.11 mi757-66713-66713-66955(Top 4%)906(Top 6%)906(Top 17%)
20K12.43 mi3.11 mi782-25737-24737-24954(Top 4%)906(Top 6%)906(Top 17%)
Half13.11 mi0.68 mi789-7744-7744-7861(Top 3%)819(Top 5%)819(Top 15%)
25K15.53 mi2.42 mi797-8752-8752-8996(Top 4%)947(Top 6%)947(Top 18%)
30K18.64 mi3.11 mi837-40793-41793-411135(Top 4%)1081(Top 7%)1081(Top 20%)
20M20.00 mi1.36 mi889-52842-49842-492234(Top 8%)2123(Top 14%)2123(Top 40%)
21M21.00 mi1.00 mi886+3840+2840+21068(Top 4%)1014(Top 7%)1014(Top 19%)
35K21.75 mi0.75 mi903-17856-16856-161905(Top 7%)1809(Top 12%)1809(Top 34%)
23M23.00 mi1.25 mi940-37893-37893-372356(Top 9%)2213(Top 15%)2213(Top 42%)
24M24.00 mi1.00 mi966-26919-26919-262358(Top 9%)2201(Top 15%)2201(Top 42%)
40K24.85 mi0.85 mi986-20937-18937-182612(Top 10%)2411(Top 16%)2411(Top 46%)
25.2M25.20 mi0.35 mi1009-23959-22959-223063(Top 12%)2786(Top 18%)2786(Top 53%)
Finish26.22 mi1.02 mi1022-13973-14973-141846(Top 7%)1724(Top 11%)1724(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

955

Males

906

M18-39

906

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

766

Males

722

M18-39

722

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

955

Males

906

M18-39

906

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

954

Males

906

M18-39

906

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

861

Males

819

M18-39

819

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

996

Males

947

M18-39

947

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1135

Males

1081

M18-39

1081

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2234

Males

2123

M18-39

2123

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1068

Males

1014

M18-39

1014

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1905

Males

1809

M18-39

1809

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2356

Males

2213

M18-39

2213

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2358

Males

2201

M18-39

2201

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2612

Males

2411

M18-39

2411

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3063

Males

2786

M18-39

2786

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1846

Males

1724

M18-39

1724

Passing Analysis

Category:
Athletes Passed
127
Passed By
512
Net Change
-385
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#637
5K → 10K862-54#637#691
10K → 15K672-66#691#757
15K → 20K1742-25#757#782
20K → Half29-7#782#789
Half → 25K2533-8#789#797
25K → 30K1555-40#797#837
30K → 20M254-52#837#889
20M → 21M1714+3#889#886
21M → 35K421-17#886#903
35K → 23M542-37#903#940
23M → 24M733-26#940#966
24M → 40K727-20#966#986
40K → 25.2M225-23#986#1009
25.2M → Finish1023-13#1009#1022
TOTALS127512-385
📊

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