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BOSTON MARATHON 2023

Zachary Aspinall

Bib: 2892•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:43
Rank: #6176
Start → 5K
21:43 | 6:59/mi
10K· 6.21 mi
42:48
Rank: #5716 (+460)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:04:25
Rank: #5925 (-209)
10K → 15K
21:37 | 6:57/mi
20K· 12.43 mi
1:25:41
Rank: #5669 (+256)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:30:06
Rank: #5527 (+142)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:45:40
Rank: #4716 (+811)
Half → 25K
15:34 | 6:25/mi
30K· 18.64 mi
2:07:11
Rank: #4511 (+205)
25K → 30K
21:31 | 6:56/mi
20M
2:15:39
Rank: #3993 (+518)
30K → 20M
8:28 | 6:14/mi
21M
2:22:11
Rank: #3615 (+378)
20M → 21M
6:32 | 6:32/mi
35K· 21.75 mi
2:26:46
Rank: #3432 (+183)
21M → 35K
4:35 | 6:08/mi
23M
2:35:39
Rank: #3471 (-39)
35K → 23M
8:53 | 7:06/mi
24M
2:42:37
Rank: #3519 (-48)
23M → 24M
6:58 | 6:58/mi
40K· 24.85 mi
2:48:35
Rank: #3507 (+12)
24M → 40K
5:58 | 6:59/mi
25.2M
2:51:04
Rank: #3470 (+37)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:58:09
Rank: #3538 (-68)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:06
Pace6:52 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:03
Pace6:43 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1421:436:5921:43
6:59
-
10K
6.21 mi10:44:1942:486:5321:05
6:47
-0:12
15K
9.32 mi11:05:561:04:256:5521:37
6:57
+0:10
20K
12.43 mi11:27:121:25:416:5421:16
6:51
-0:06
Half
13.11 mi11:31:371:30:066:524:25
6:28
-0:23
25K
15.53 mi11:47:111:45:406:4815:34
6:25
-0:03
30K
18.64 mi12:08:422:07:116:4921:31
6:56
+0:31
20M
20.00 mi12:17:102:15:396:478:28
6:14
-0:42
21M
21.00 mi12:23:422:22:116:466:32
6:32
+0:18
35K
21.75 mi12:28:172:26:466:454:35
6:08
-0:24
23M
23.00 mi12:37:102:35:396:468:53
7:06
+0:58
24M
24.00 mi12:44:082:42:376:476:58
6:58
-0:08
40K
24.85 mi12:50:062:48:356:475:58
6:59
+0:01
25.2M
25.20 mi12:52:352:51:046:472:29
7:12
+0:13
Finish
26.22 mi12:59:402:58:096:487:05
6:57
-0:15

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

6:08 /mi

Average Pace

6:48 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:34

22% of race

Time at Steady Pace

2:18:35

78% 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 mi10:23:1421:436:5921:43
6:59
#6176
10K
6.21 mi10:44:1942:486:5321:05
6:47
#5716
15K
9.32 mi11:05:561:04:256:5521:37
6:57
#5925
20K
12.43 mi11:27:121:25:416:5421:16
6:51
#5669
Half
13.11 mi11:31:371:30:066:524:25
6:28
#5527
25K
15.53 mi11:47:111:45:406:4815:34
6:25
#4716
30K
18.64 mi12:08:422:07:116:4921:31
6:56
#4511
20M
20.00 mi12:17:102:15:396:478:28
6:14
#3993
21M
21.00 mi12:23:422:22:116:466:32
6:32
#3615
35K
21.75 mi12:28:172:26:466:454:35
6:08
#3432
23M
23.00 mi12:37:102:35:396:468:53
7:06
#3471
24M
24.00 mi12:44:082:42:376:476:58
6:58
#3519
40K
24.85 mi12:50:062:48:356:475:58
6:59
#3507
25.2M
25.20 mi12:52:352:51:046:472:29
7:12
#3470
Finish
26.22 mi12:59:402:58:096:487:05
6:57
#3538
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6176563456346284(Top 24%)5679(Top 37%)5679(Top 107%)
10K6.21 mi3.10 mi5716+4605250+3845250+3845127(Top 19%)4741(Top 31%)4741(Top 90%)
15K9.32 mi3.11 mi5925-2095418-1685418-1686284(Top 24%)5679(Top 37%)5679(Top 107%)
20K12.43 mi3.11 mi5669+2565219+1995219+1994841(Top 18%)4493(Top 30%)4493(Top 85%)
Half13.11 mi0.68 mi5527+1425101+1185101+1182670(Top 10%)2564(Top 17%)2564(Top 49%)
25K15.53 mi2.42 mi4716+8114393+7084393+7081816(Top 7%)1739(Top 11%)1739(Top 33%)
30K18.64 mi3.11 mi4511+2054212+1814212+1813821(Top 14%)3580(Top 24%)3580(Top 68%)
20M20.00 mi1.36 mi3993+5183755+4573755+457731(Top 3%)692(Top 5%)692(Top 13%)
21M21.00 mi1.00 mi3615+3783419+3363419+336731(Top 3%)690(Top 5%)690(Top 13%)
35K21.75 mi0.75 mi3432+1833249+1703249+1701035(Top 4%)985(Top 6%)985(Top 19%)
23M23.00 mi1.25 mi3471-393283-343283-344268(Top 16%)3895(Top 26%)3895(Top 74%)
24M24.00 mi1.00 mi3519-483325-423325-424471(Top 17%)4032(Top 27%)4032(Top 76%)
40K24.85 mi0.85 mi3507+123313+123313+123708(Top 14%)3349(Top 22%)3349(Top 63%)
25.2M25.20 mi0.35 mi3470+373278+353278+352550(Top 10%)2363(Top 16%)2363(Top 45%)
Finish26.22 mi1.02 mi3538-683331-533331-534896(Top 18%)4193(Top 28%)4193(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6284

Males

5679

M18-39

5679

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5127

Males

4741

M18-39

4741

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6284

Males

5679

M18-39

5679

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4841

Males

4493

M18-39

4493

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2670

Males

2564

M18-39

2564

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1816

Males

1739

M18-39

1739

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3821

Males

3580

M18-39

3580

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

731

Males

692

M18-39

692

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

731

Males

690

M18-39

690

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1035

Males

985

M18-39

985

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4268

Males

3895

M18-39

3895

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4471

Males

4032

M18-39

4032

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3708

Males

3349

M18-39

3349

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2550

Males

2363

M18-39

2363

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4896

Males

4193

M18-39

4193

Passing Analysis

Category:
Athletes Passed
3281
Passed By
643
Net Change
+2638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6176
5K → 10K49838+460#6176#5716
10K → 15K51260-209#5716#5925
15K → 20K27418+256#5925#5669
20K → Half1431+142#5669#5527
Half → 25K8110+811#5527#4716
25K → 30K24136+205#4716#4511
30K → 20M5180+518#4511#3993
20M → 21M3780+378#3993#3615
21M → 35K1830+183#3615#3432
35K → 23M4887-39#3432#3471
23M → 24M2472-48#3471#3519
24M → 40K4432+12#3519#3507
40K → 25.2M403+37#3507#3470
25.2M → Finish2896-68#3470#3538
TOTALS3281643+2638
📊

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