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BOSTON MARATHON 2023

Thomas Smith

Bib: 6604•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #3057
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
41:10
Rank: #3345 (-288)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:01:54
Rank: #3488 (-143)
10K → 15K
20:44 | 6:40/mi
20K· 12.43 mi
1:22:45
Rank: #3522 (-34)
15K → 20K
20:51 | 6:43/mi
Half· 13.11 mi
1:27:19
Rank: #3539 (-17)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:33
Rank: #3483 (+56)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
2:05:02
Rank: #3497 (-14)
25K → 30K
21:29 | 6:55/mi
20M
2:14:37
Rank: #3546 (-49)
30K → 20M
9:35 | 7:03/mi
21M
2:22:02
Rank: #3570 (-24)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:27:12
Rank: #3605 (-35)
21M → 35K
5:10 | 6:54/mi
23M
2:36:09
Rank: #3643 (-38)
35K → 23M
8:57 | 7:09/mi
24M
2:42:58
Rank: #3639 (+4)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:48:58
Rank: #3631 (+8)
24M → 40K
6:00 | 7:01/mi
25.2M
2:51:29
Rank: #3612 (+19)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:58:20
Rank: #3596 (+16)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:19
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:31:01
Pace6:57 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4620:356:3820:35
6:38
-
10K
6.21 mi10:44:2141:106:3820:35
6:38
0:00
15K
9.32 mi11:05:051:01:546:3820:44
6:40
+0:02
20K
12.43 mi11:25:561:22:456:4020:51
6:43
+0:03
Half
13.11 mi11:30:301:27:196:404:34
6:42
-0:01
25K
15.53 mi11:46:441:43:336:4016:14
6:42
0:00
30K
18.64 mi12:08:132:05:026:4221:29
6:55
+0:13
20M
20.00 mi12:17:482:14:376:449:35
7:03
+0:08
21M
21.00 mi12:25:132:22:026:467:25
7:25
+0:22
35K
21.75 mi12:30:232:27:126:465:10
6:54
-0:31
23M
23.00 mi12:39:202:36:096:478:57
7:09
+0:15
24M
24.00 mi12:46:092:42:586:476:49
6:49
-0:20
40K
24.85 mi12:52:092:48:586:486:00
7:01
+0:12
25.2M
25.20 mi12:54:402:51:296:482:31
7:18
+0:17
Finish
26.22 mi13:01:312:58:206:486:51
6:43
-0:35

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

6:38 /mi

Average Pace

6:48 /mi

Slowest Pace

7:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:24

94% of race

Time at Steady Pace

9:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:23:4620:356:3820:35
6:38
#3057
10K
6.21 mi10:44:2141:106:3820:35
6:38
#3345
15K
9.32 mi11:05:051:01:546:3820:44
6:40
#3488
20K
12.43 mi11:25:561:22:456:4020:51
6:43
#3522
Half
13.11 mi11:30:301:27:196:404:34
6:42
#3539
25K
15.53 mi11:46:441:43:336:4016:14
6:42
#3483
30K
18.64 mi12:08:132:05:026:4221:29
6:55
#3497
20M
20.00 mi12:17:482:14:376:449:35
7:03
#3546
21M
21.00 mi12:25:132:22:026:467:25
7:25
#3570
35K
21.75 mi12:30:232:27:126:465:10
6:54
#3605
23M
23.00 mi12:39:202:36:096:478:57
7:09
#3643
24M
24.00 mi12:46:092:42:586:476:49
6:49
#3639
40K
24.85 mi12:52:092:48:586:486:00
7:01
#3631
25.2M
25.20 mi12:54:402:51:296:482:31
7:18
#3612
Finish
26.22 mi13:01:312:58:206:486:51
6:43
#3596
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3057289728973865(Top 15%)3633(Top 24%)3633(Top 69%)
10K6.21 mi3.10 mi3345-2883167-2703167-2703681(Top 14%)3477(Top 23%)3477(Top 66%)
15K9.32 mi3.11 mi3488-1433302-1353302-1353865(Top 15%)3633(Top 24%)3633(Top 69%)
20K12.43 mi3.11 mi3522-343336-343336-343659(Top 14%)3463(Top 23%)3463(Top 66%)
Half13.11 mi0.68 mi3539-173352-163352-164217(Top 16%)3941(Top 26%)3941(Top 75%)
25K15.53 mi2.42 mi3483+563305+473305+473328(Top 13%)3160(Top 21%)3160(Top 60%)
30K18.64 mi3.11 mi3497-143310-53310-53749(Top 14%)3515(Top 23%)3515(Top 67%)
20M20.00 mi1.36 mi3546-493354-443354-444312(Top 16%)3972(Top 26%)3972(Top 75%)
21M21.00 mi1.00 mi3570-243378-243378-244179(Top 16%)3831(Top 25%)3831(Top 72%)
35K21.75 mi0.75 mi3605-353408-303408-304762(Top 18%)4298(Top 28%)4298(Top 81%)
23M23.00 mi1.25 mi3643-383439-313439-314530(Top 17%)4102(Top 27%)4102(Top 78%)
24M24.00 mi1.00 mi3639+43432+73432+73731(Top 14%)3417(Top 23%)3417(Top 65%)
40K24.85 mi0.85 mi3631+83418+143418+143915(Top 15%)3518(Top 23%)3518(Top 67%)
25.2M25.20 mi0.35 mi3612+193401+173401+172943(Top 11%)2698(Top 18%)2698(Top 51%)
Finish26.22 mi1.02 mi3596+163384+173384+173619(Top 14%)3233(Top 21%)3233(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3865

Males

3633

M18-39

3633

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3681

Males

3477

M18-39

3477

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3865

Males

3633

M18-39

3633

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3659

Males

3463

M18-39

3463

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4217

Males

3941

M18-39

3941

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3328

Males

3160

M18-39

3160

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3749

Males

3515

M18-39

3515

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4312

Males

3972

M18-39

3972

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4179

Males

3831

M18-39

3831

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4762

Males

4298

M18-39

4298

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4530

Males

4102

M18-39

4102

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3731

Males

3417

M18-39

3417

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3915

Males

3518

M18-39

3518

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2943

Males

2698

M18-39

2698

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3619

Males

3233

M18-39

3233

Passing Analysis

Category:
Athletes Passed
749
Passed By
1288
Net Change
-539
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3057
5K → 10K65353-288#3057#3345
10K → 15K53196-143#3345#3488
15K → 20K69103-34#3488#3522
20K → Half825-17#3522#3539
Half → 25K10549+56#3539#3483
25K → 30K104118-14#3483#3497
30K → 20M4392-49#3497#3546
20M → 21M3862-24#3546#3570
21M → 35K2257-35#3570#3605
35K → 23M5290-38#3605#3643
23M → 24M4642+4#3643#3639
24M → 40K5042+8#3639#3631
40K → 25.2M3314+19#3631#3612
25.2M → Finish6145+16#3612#3596
TOTALS7491288-539
📊

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