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BOSTON MARATHON 2023

Zachary Miller

Bib: 4064•M

MO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
Division (M18-39)
#0 / 5285
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
20:51
Rank: #3772
Start → 5K
20:51 | 6:43/mi
10K· 6.21 mi
41:42
Rank: #4093 (-321)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:31
Rank: #4092 (+1)
10K → 15K
20:49 | 6:42/mi
20K· 12.43 mi
1:23:12
Rank: #3824 (+268)
15K → 20K
20:41 | 6:39/mi
Half· 13.11 mi
1:27:45
Rank: #3832 (-8)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:08
Rank: #3805 (+27)
Half → 25K
16:23 | 6:45/mi
30K· 18.64 mi
2:05:53
Rank: #3882 (-77)
25K → 30K
21:45 | 7:00/mi
20M
2:15:38
Rank: #3989 (-107)
30K → 20M
9:45 | 7:10/mi
21M
2:23:17
Rank: #4080 (-91)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:28:25
Rank: #4091 (-11)
21M → 35K
5:08 | 6:52/mi
23M
2:37:51
Rank: #4294 (-203)
35K → 23M
9:26 | 7:32/mi
24M
2:45:20
Rank: #4485 (-191)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
2:51:49
Rank: #4553 (-68)
24M → 40K
6:29 | 7:35/mi
25.2M
2:54:37
Rank: #4586 (-33)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:01:46
Rank: #4567 (+19)
25.2M → Finish
7:09 | 7:01/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:45
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:34:01
Pace7:10 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4520:516:4320:51
6:43
-
10K
6.21 mi10:43:3641:426:4320:51
6:43
0:00
15K
9.32 mi11:04:251:02:316:4220:49
6:42
-0:01
20K
12.43 mi11:25:061:23:126:4220:41
6:39
-0:03
Half
13.11 mi11:29:391:27:456:424:33
6:40
+0:01
25K
15.53 mi11:46:021:44:086:4216:23
6:45
+0:05
30K
18.64 mi12:07:472:05:536:4521:45
7:00
+0:15
20M
20.00 mi12:17:322:15:386:479:45
7:10
+0:10
21M
21.00 mi12:25:112:23:176:497:39
7:39
+0:29
35K
21.75 mi12:30:192:28:256:495:08
6:52
-0:47
23M
23.00 mi12:39:452:37:516:529:26
7:32
+0:40
24M
24.00 mi12:47:142:45:206:537:29
7:29
-0:03
40K
24.85 mi12:53:432:51:496:556:29
7:35
+0:06
25.2M
25.20 mi12:56:312:54:376:562:48
8:07
+0:32
Finish
26.22 mi13:03:403:01:466:567:09
7:01
-1:06

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

6:39 /mi

Average Pace

6:56 /mi

Slowest Pace

8:07 /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

1:44:08

57% of race

Time at Steady Pace

43:47

24% of race

Time at Slower Pace

33:51

19% of race

Average Pace: 6:56 /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 mi10:22:4520:516:4320:51
6:43
#3772
10K
6.21 mi10:43:3641:426:4320:51
6:43
#4093
15K
9.32 mi11:04:251:02:316:4220:49
6:42
#4092
20K
12.43 mi11:25:061:23:126:4220:41
6:39
#3824
Half
13.11 mi11:29:391:27:456:424:33
6:40
#3832
25K
15.53 mi11:46:021:44:086:4216:23
6:45
#3805
30K
18.64 mi12:07:472:05:536:4521:45
7:00
#3882
20M
20.00 mi12:17:322:15:386:479:45
7:10
#3989
21M
21.00 mi12:25:112:23:176:497:39
7:39
#4080
35K
21.75 mi12:30:192:28:256:495:08
6:52
#4091
23M
23.00 mi12:39:452:37:516:529:26
7:32
#4294
24M
24.00 mi12:47:142:45:206:537:29
7:29
#4485
40K
24.85 mi12:53:432:51:496:556:29
7:35
#4553
25.2M
25.20 mi12:56:312:54:376:562:48
8:07
#4586
Finish
26.22 mi13:03:403:01:466:567:09
7:01
#4567
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3772354635464141(Top 16%)3887(Top 26%)3887(Top 74%)
10K6.21 mi3.10 mi4093-3213848-3023848-3024441(Top 17%)4152(Top 27%)4152(Top 79%)
15K9.32 mi3.11 mi4092+13846+23846+24141(Top 16%)3887(Top 26%)3887(Top 74%)
20K12.43 mi3.11 mi3824+2683611+2353611+2353241(Top 12%)3078(Top 20%)3078(Top 58%)
Half13.11 mi0.68 mi3832-83619-83619-84073(Top 15%)3825(Top 25%)3825(Top 72%)
25K15.53 mi2.42 mi3805+273594+253594+253810(Top 14%)3584(Top 24%)3584(Top 68%)
30K18.64 mi3.11 mi3882-773660-663660-664350(Top 16%)4042(Top 27%)4042(Top 76%)
20M20.00 mi1.36 mi3989-1073751-913751-914966(Top 19%)4512(Top 30%)4512(Top 85%)
21M21.00 mi1.00 mi4080-913827-763827-765334(Top 20%)4706(Top 31%)4706(Top 89%)
35K21.75 mi0.75 mi4091-113835-83835-84565(Top 17%)4156(Top 27%)4156(Top 79%)
23M23.00 mi1.25 mi4294-2034018-1834018-1836582(Top 25%)5549(Top 37%)5549(Top 105%)
24M24.00 mi1.00 mi4485-1914184-1664184-1667540(Top 28%)6019(Top 40%)6019(Top 114%)
40K24.85 mi0.85 mi4553-684239-554239-557165(Top 27%)5713(Top 38%)5713(Top 108%)
25.2M25.20 mi0.35 mi4586-334264-254264-257093(Top 27%)5607(Top 37%)5607(Top 106%)
Finish26.22 mi1.02 mi4567+194241+234241+235282(Top 20%)4462(Top 29%)4462(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4141

Males

3887

M18-39

3887

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4441

Males

4152

M18-39

4152

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4141

Males

3887

M18-39

3887

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3241

Males

3078

M18-39

3078

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4073

Males

3825

M18-39

3825

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3810

Males

3584

M18-39

3584

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4350

Males

4042

M18-39

4042

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4966

Males

4512

M18-39

4512

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5334

Males

4706

M18-39

4706

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4565

Males

4156

M18-39

4156

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6582

Males

5549

M18-39

5549

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7540

Males

6019

M18-39

6019

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7165

Males

5713

M18-39

5713

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7093

Males

5607

M18-39

5607

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5282

Males

4462

M18-39

4462

Passing Analysis

Category:
Athletes Passed
929
Passed By
1724
Net Change
-795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3772
5K → 10K87408-321#3772#4093
10K → 15K123122+1#4093#4092
15K → 20K28618+268#4092#3824
20K → Half2129-8#3824#3832
Half → 25K9164+27#3832#3805
25K → 30K81158-77#3805#3882
30K → 20M33140-107#3882#3989
20M → 21M47138-91#3989#4080
21M → 35K2738-11#4080#4091
35K → 23M28231-203#4091#4294
23M → 24M13204-191#4294#4485
24M → 40K2795-68#4485#4553
40K → 25.2M1144-33#4553#4586
25.2M → Finish5435+19#4586#4567
TOTALS9291724-795
📊

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