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BOSTON MARATHON 2023

Zackary Harris

Bib: 9915•X

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Other)
#0 / 23
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:53
Rank: #6535
Start → 5K
7:03/mi
21:53 split
10K· 6.21 mi
43:38
Rank: #6641 (-106)
5K → 10K
7:00/mi
21:45 split
15K· 9.32 mi
1:05:39
Rank: #6753 (-112)
10K → 15K
7:05/mi
22:01 split
20K· 12.43 mi
1:28:11
Rank: #6911 (-158)
15K → 20K
7:15/mi
22:32 split
Half· 13.11 mi
1:33:10
Rank: #6980 (-69)
20K → Half
7:18/mi
4:59 split
25K· 15.53 mi
1:51:03
Rank: #7050 (-70)
Half → 25K
7:23/mi
17:53 split
30K· 18.64 mi
2:14:50
Rank: #7188 (-138)
25K → 30K
7:39/mi
23:47 split
20M
2:25:23
Rank: #7249 (-61)
30K → 20M
7:46/mi
10:33 split
21M
2:33:38
Rank: #7301 (-52)
20M → 21M
8:15/mi
8:15 split
35K· 21.75 mi
2:39:34
Rank: #7426 (-125)
21M → 35K
7:56/mi
5:56 split
23M
2:49:45
Rank: #7536 (-110)
35K → 23M
8:08/mi
10:11 split
24M
2:57:39
Rank: #7635 (-99)
23M → 24M
7:54/mi
7:54 split
40K· 24.85 mi
3:04:21
Rank: #7671 (-36)
24M → 40K
7:50/mi
6:42 split
25.2M
3:07:08
Rank: #7662 (+9)
40K → 25.2M
8:04/mi
2:47 split
Finish· 26.22 mi
3:14:47
Rank: #7684 (-22)
25.2M → Finish
7:30/mi
7:39 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:10
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:41:37
Pace7:45 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3621:537:0321:53
7:03
-
10K
6.21 mi11:09:2143:387:0121:45
7:00
-0:03
15K
9.32 mi11:31:221:05:397:0322:01
7:05
+0:05
20K
12.43 mi11:53:541:28:117:0622:32
7:15
+0:10
Half
13.11 mi11:58:531:33:107:064:59
7:18
+0:03
25K
15.53 mi12:16:461:51:037:0917:53
7:23
+0:05
30K
18.64 mi12:40:332:14:507:1423:47
7:39
+0:16
20M
20.00 mi12:51:062:25:237:1610:33
7:46
+0:07
21M
21.00 mi12:59:212:33:387:198:15
8:15
+0:29
35K
21.75 mi13:05:172:39:347:205:56
7:56
-0:19
23M
23.00 mi13:15:282:49:457:2310:11
8:08
+0:12
24M
24.00 mi13:23:222:57:397:247:54
7:54
-0:14
40K
24.85 mi13:30:043:04:217:256:42
7:50
-0:04
25.2M
25.20 mi13:32:513:07:087:262:47
8:04
+0:14
Finish
26.22 mi13:40:303:14:477:267:39
7:30
-0:34

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

7:00 /mi

Average Pace

7:26 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:29

73% of race

Time at Steady Pace

52:18

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:47:3621:537:0321:53
7:03
#6535
10K
6.21 mi11:09:2143:387:0121:45
7:00
#6641
15K
9.32 mi11:31:221:05:397:0322:01
7:05
#6753
20K
12.43 mi11:53:541:28:117:0622:32
7:15
#6911
Half
13.11 mi11:58:531:33:107:064:59
7:18
#6980
25K
15.53 mi12:16:461:51:037:0917:53
7:23
#7050
30K
18.64 mi12:40:332:14:507:1423:47
7:39
#7188
20M
20.00 mi12:51:062:25:237:1610:33
7:46
#7249
21M
21.00 mi12:59:212:33:387:198:15
8:15
#7301
35K
21.75 mi13:05:172:39:347:205:56
7:56
#7426
23M
23.00 mi13:15:282:49:457:2310:11
8:08
#7536
24M
24.00 mi13:23:222:57:397:247:54
7:54
#7635
40K
24.85 mi13:30:043:04:217:256:42
7:50
#7671
25.2M
25.20 mi13:32:513:07:087:262:47
8:04
#7662
Finish
26.22 mi13:40:303:14:477:267:39
7:30
#7684
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi653510107092(Top 27%)10(Top 43%)10
10K6.21 mi3.10 mi6641-10610106831(Top 26%)10(Top 43%)10
15K9.32 mi3.11 mi6753-11210107092(Top 27%)10(Top 43%)10
20K12.43 mi3.11 mi6911-15810107469(Top 28%)9(Top 39%)9
Half13.11 mi0.68 mi6980-6910108737(Top 33%)12(Top 52%)12
25K15.53 mi2.42 mi7050-7010107839(Top 29%)10(Top 43%)10
30K18.64 mi3.11 mi7188-13810108346(Top 31%)10(Top 43%)10
20M20.00 mi1.36 mi7249-6110108625(Top 32%)10(Top 43%)10
21M21.00 mi1.00 mi7301-5210108954(Top 34%)9(Top 39%)9
35K21.75 mi0.75 mi7426-125101011700(Top 44%)17(Top 74%)17
23M23.00 mi1.25 mi7536-110101010756(Top 40%)13(Top 57%)13
24M24.00 mi1.00 mi7635-99101010583(Top 40%)14(Top 61%)14
40K24.85 mi0.85 mi7671-369+19+18962(Top 34%)10(Top 43%)10
25.2M25.20 mi0.35 mi7662+9997050(Top 26%)8(Top 35%)8
Finish26.22 mi1.02 mi7684-227+27+28661(Top 33%)10(Top 43%)10

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7092

X

10

Age Div

10

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6831

X

10

Age Div

10

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7092

X

10

Age Div

10

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7469

X

9

Age Div

9

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8737

X

12

Age Div

12

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7839

X

10

Age Div

10

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8346

X

10

Age Div

10

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8625

X

10

Age Div

10

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8954

X

9

Age Div

9

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11700

X

17

Age Div

17

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10756

X

13

Age Div

13

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10583

X

14

Age Div

14

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8962

X

10

Age Div

10

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7050

X

8

Age Div

8

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8661

X

10

Age Div

10

Passing Analysis

Category:
Athletes Passed
751
Passed By
1900
Net Change
-1149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6535
5K → 10K143249-106#6535#6641
10K → 15K74186-112#6641#6753
15K → 20K56214-158#6753#6911
20K → Half473-69#6911#6980
Half → 25K65135-70#6980#7050
25K → 30K78216-138#7050#7188
30K → 20M40101-61#7188#7249
20M → 21M4496-52#7249#7301
21M → 35K19144-125#7301#7426
35K → 23M54164-110#7426#7536
23M → 24M33132-99#7536#7635
24M → 40K5086-36#7635#7671
40K → 25.2M3425+9#7671#7662
25.2M → Finish5779-22#7662#7684
TOTALS7511900-1149
📊

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