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BOSTON MARATHON 2023

Larry Smart

Bib: 5133•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Masters (Masters Men)
#0 / 9891
Top 8%
Division (M50-54)
#0 / 2052
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:18
Rank: #5169
Start → 5K
21:18 | 6:51/mi
10K· 6.21 mi
42:18
Rank: #5021 (+148)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:03:14
Rank: #4832 (+189)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:10
Rank: #4573 (+259)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:28:39
Rank: #4483 (+90)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:54
Rank: #4242 (+241)
Half → 25K
16:15 | 6:42/mi
30K· 18.64 mi
2:05:51
Rank: #3860 (+382)
25K → 30K
20:57 | 6:45/mi
20M
2:15:06
Rank: #3734 (+126)
30K → 20M
9:15 | 6:48/mi
21M
2:22:04
Rank: #3575 (+159)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:26:58
Rank: #3515 (+60)
21M → 35K
4:54 | 6:33/mi
23M
2:35:26
Rank: #3397 (+118)
35K → 23M
8:28 | 6:46/mi
24M
2:42:06
Rank: #3358 (+39)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:47:55
Rank: #3313 (+45)
24M → 40K
5:49 | 6:48/mi
25.2M
2:50:22
Rank: #3273 (+40)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:56:55
Rank: #3167 (+106)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:16
Pace6:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5521:186:5121:18
6:51
-
10K
6.21 mi10:44:5542:186:4821:00
6:46
-0:05
15K
9.32 mi11:05:511:03:146:4720:56
6:44
-0:02
20K
12.43 mi11:26:471:24:106:4620:56
6:44
0:00
Half
13.11 mi11:31:161:28:396:464:29
6:34
-0:10
25K
15.53 mi11:47:311:44:546:4516:15
6:42
+0:08
30K
18.64 mi12:08:282:05:516:4520:57
6:45
+0:03
20M
20.00 mi12:17:432:15:066:459:15
6:48
+0:03
21M
21.00 mi12:24:412:22:046:466:58
6:58
+0:10
35K
21.75 mi12:29:352:26:586:454:54
6:33
-0:25
23M
23.00 mi12:38:032:35:266:458:28
6:46
+0:13
24M
24.00 mi12:44:432:42:066:456:40
6:40
-0:06
40K
24.85 mi12:50:322:47:556:455:49
6:48
+0:08
25.2M
25.20 mi12:52:592:50:226:462:27
7:06
+0:18
Finish
26.22 mi12:59:322:56:556:456:33
6:26
-0:40

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

6:26 /mi

Average Pace

6:45 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:28

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% 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 mi10:23:5521:186:5121:18
6:51
#5169
10K
6.21 mi10:44:5542:186:4821:00
6:46
#5021
15K
9.32 mi11:05:511:03:146:4720:56
6:44
#4832
20K
12.43 mi11:26:471:24:106:4620:56
6:44
#4573
Half
13.11 mi11:31:161:28:396:464:29
6:34
#4483
25K
15.53 mi11:47:311:44:546:4516:15
6:42
#4242
30K
18.64 mi12:08:282:05:516:4520:57
6:45
#3860
20M
20.00 mi12:17:432:15:066:459:15
6:48
#3734
21M
21.00 mi12:24:412:22:046:466:58
6:58
#3575
35K
21.75 mi12:29:352:26:586:454:54
6:33
#3515
23M
23.00 mi12:38:032:35:266:458:28
6:46
#3397
24M
24.00 mi12:44:432:42:066:456:40
6:40
#3358
40K
24.85 mi12:50:322:47:556:455:49
6:48
#3313
25.2M
25.20 mi12:52:592:50:226:462:27
7:06
#3273
Finish
26.22 mi12:59:322:56:556:456:33
6:26
#3167
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5169479247924469(Top 17%)4173(Top 27%)4173(Top 203%)
10K6.21 mi3.10 mi5021+1484654+1384654+1384885(Top 18%)4530(Top 30%)4530(Top 221%)
15K9.32 mi3.11 mi4832+1894495+1594495+1594469(Top 17%)4173(Top 27%)4173(Top 203%)
20K12.43 mi3.11 mi4573+2594268+2274268+2273854(Top 14%)3634(Top 24%)3634(Top 177%)
Half13.11 mi0.68 mi4483+904192+764192+763223(Top 12%)3073(Top 20%)3073(Top 150%)
25K15.53 mi2.42 mi4242+2413977+2153977+2153364(Top 13%)3191(Top 21%)3191(Top 156%)
30K18.64 mi3.11 mi3860+3823639+3383639+3382652(Top 10%)2520(Top 17%)2520(Top 123%)
20M20.00 mi1.36 mi3734+1263525+1143525+1142863(Top 11%)2698(Top 18%)2698(Top 131%)
21M21.00 mi1.00 mi3575+1593383+1423383+1422022(Top 8%)1917(Top 13%)1917(Top 93%)
35K21.75 mi0.75 mi3515+603330+533330+532712(Top 10%)2555(Top 17%)2555(Top 125%)
23M23.00 mi1.25 mi3397+1183217+1133217+1132461(Top 9%)2313(Top 15%)2313(Top 113%)
24M24.00 mi1.00 mi3358+393177+403177+402921(Top 11%)2713(Top 18%)2713(Top 132%)
40K24.85 mi0.85 mi3313+453134+433134+432837(Top 11%)2611(Top 17%)2611(Top 127%)
25.2M25.20 mi0.35 mi3273+403096+383096+382146(Top 8%)2002(Top 13%)2002(Top 98%)
Finish26.22 mi1.02 mi3167+1062997+992997+992144(Top 8%)1989(Top 13%)1989(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4469

Males

4173

M50-54

4173

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4885

Males

4530

M50-54

4530

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4469

Males

4173

M50-54

4173

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3854

Males

3634

M50-54

3634

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3223

Males

3073

M50-54

3073

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3364

Males

3191

M50-54

3191

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2652

Males

2520

M50-54

2520

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2863

Males

2698

M50-54

2698

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2022

Males

1917

M50-54

1917

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2712

Males

2555

M50-54

2555

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2461

Males

2313

M50-54

2313

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2921

Males

2713

M50-54

2713

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2837

Males

2611

M50-54

2611

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2146

Males

2002

M50-54

2002

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2144

Males

1989

M50-54

1989

Passing Analysis

Category:
Athletes Passed
2274
Passed By
272
Net Change
+2002
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5169
5K → 10K282134+148#5169#5021
10K → 15K22233+189#5021#4832
15K → 20K27415+259#4832#4573
20K → Half922+90#4573#4483
Half → 25K2476+241#4483#4242
25K → 30K3875+382#4242#3860
30K → 20M1337+126#3860#3734
20M → 21M1612+159#3734#3575
21M → 35K7212+60#3575#3515
35K → 23M12810+118#3515#3397
23M → 24M5718+39#3397#3358
24M → 40K6520+45#3358#3313
40K → 25.2M444+40#3313#3273
25.2M → Finish1104+106#3273#3167
TOTALS2274272+2002
📊

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