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BOSTON MARATHON 2023

Zack Sisitsky

Bib: 29142•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:22
Rank: #20968
Start → 5K
28:22 | 9:08/mi
10K· 6.21 mi
54:13
Rank: #19274 (+1694)
5K → 10K
25:51 | 8:19/mi
15K· 9.32 mi
1:19:56
Rank: #18329 (+945)
10K → 15K
25:43 | 8:17/mi
20K· 12.43 mi
1:45:17
Rank: #17380 (+949)
15K → 20K
25:21 | 8:10/mi
Half· 13.11 mi
1:50:43
Rank: #17227 (+153)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:10:31
Rank: #16746 (+481)
Half → 25K
19:48 | 8:10/mi
30K· 18.64 mi
2:36:54
Rank: #16258 (+488)
25K → 30K
26:23 | 8:30/mi
20M
2:48:50
Rank: #16172 (+86)
30K → 20M
11:56 | 8:47/mi
21M
2:58:10
Rank: #16080 (+92)
20M → 21M
9:20 | 9:20/mi
35K· 21.75 mi
3:04:19
Rank: #15976 (+104)
21M → 35K
6:09 | 8:13/mi
23M
3:15:07
Rank: #15832 (+144)
35K → 23M
10:48 | 8:38/mi
24M
3:23:46
Rank: #15806 (+26)
23M → 24M
8:39 | 8:39/mi
40K· 24.85 mi
3:31:14
Rank: #15767 (+39)
24M → 40K
7:28 | 8:44/mi
25.2M
3:34:29
Rank: #15749 (+18)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:43:02
Rank: #15685 (+64)
25.2M → Finish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:43
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:52:19
Pace8:34 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3028:229:0828:22
9:08
-
10K
6.21 mi12:16:2154:138:4425:51
8:19
-0:49
15K
9.32 mi12:42:041:19:568:3525:43
8:17
-0:02
20K
12.43 mi13:07:251:45:178:2825:21
8:10
-0:07
Half
13.11 mi13:12:511:50:438:275:26
7:58
-0:12
25K
15.53 mi13:32:392:10:318:2419:48
8:10
+0:12
30K
18.64 mi13:59:022:36:548:2526:23
8:30
+0:20
20M
20.00 mi14:10:582:48:508:2611:56
8:47
+0:17
21M
21.00 mi14:20:182:58:108:299:20
9:20
+0:33
35K
21.75 mi14:26:273:04:198:296:09
8:13
-1:07
23M
23.00 mi14:37:153:15:078:2910:48
8:38
+0:25
24M
24.00 mi14:45:543:23:468:298:39
8:39
+0:01
40K
24.85 mi14:53:223:31:148:307:28
8:44
+0:05
25.2M
25.20 mi14:56:373:34:298:313:15
9:25
+0:41
Finish
26.22 mi15:05:103:43:028:318:33
8:23
-1:02

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

7:58 /mi

Average Pace

8:31 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:09

76% of race

Time at Steady Pace

49:38

22% of race

Time at Slower Pace

3:15

1% of race

Average Pace: 8:30 /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 mi11:50:3028:229:0828:22
9:08
#20968
10K
6.21 mi12:16:2154:138:4425:51
8:19
#19274
15K
9.32 mi12:42:041:19:568:3525:43
8:17
#18329
20K
12.43 mi13:07:251:45:178:2825:21
8:10
#17380
Half
13.11 mi13:12:511:50:438:275:26
7:58
#17227
25K
15.53 mi13:32:392:10:318:2419:48
8:10
#16746
30K
18.64 mi13:59:022:36:548:2526:23
8:30
#16258
20M
20.00 mi14:10:582:48:508:2611:56
8:47
#16172
21M
21.00 mi14:20:182:58:108:299:20
9:20
#16080
35K
21.75 mi14:26:273:04:198:296:09
8:13
#15976
23M
23.00 mi14:37:153:15:078:2910:48
8:38
#15832
24M
24.00 mi14:45:543:23:468:298:39
8:39
#15806
40K
24.85 mi14:53:223:31:148:307:28
8:44
#15767
25.2M
25.20 mi14:56:373:34:298:313:15
9:25
#15749
Finish
26.22 mi15:05:103:43:028:318:33
8:23
#15685
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20968125911259116379(Top 62%)10838(Top 71%)10838(Top 205%)
10K6.21 mi3.10 mi19274+169411928+66311928+66317057(Top 64%)11131(Top 73%)11131(Top 211%)
15K9.32 mi3.11 mi18329+94511599+32911599+32916379(Top 62%)10838(Top 71%)10838(Top 205%)
20K12.43 mi3.11 mi17380+94911213+38611213+38614660(Top 55%)10144(Top 67%)10144(Top 192%)
Half13.11 mi0.68 mi17227+15311144+6911144+6914054(Top 53%)9937(Top 65%)9937(Top 188%)
25K15.53 mi2.42 mi16746+48110926+21810926+21813983(Top 53%)9760(Top 64%)9760(Top 185%)
30K18.64 mi3.11 mi16258+48810694+23210694+23214259(Top 54%)9756(Top 64%)9756(Top 185%)
20M20.00 mi1.36 mi16172+8610652+4210652+4215308(Top 58%)10123(Top 67%)10123(Top 192%)
21M21.00 mi1.00 mi16080+9210599+5310599+5315161(Top 57%)9996(Top 66%)9996(Top 189%)
35K21.75 mi0.75 mi15976+10410536+6310536+6313574(Top 51%)9234(Top 61%)9234(Top 175%)
23M23.00 mi1.25 mi15832+14410455+8110455+8113930(Top 52%)9344(Top 62%)9344(Top 177%)
24M24.00 mi1.00 mi15806+2610421+3410421+3415350(Top 58%)9887(Top 65%)9887(Top 187%)
40K24.85 mi0.85 mi15767+3910404+1710404+1714692(Top 55%)9542(Top 63%)9542(Top 181%)
25.2M25.20 mi0.35 mi15749+1810394+1010394+1014778(Top 56%)9582(Top 63%)9582(Top 181%)
Finish26.22 mi1.02 mi15685+6410363+3110363+3114655(Top 55%)9566(Top 63%)9566(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16379

Males

10838

M18-39

10838

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17057

Males

11131

M18-39

11131

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16379

Males

10838

M18-39

10838

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14660

Males

10144

M18-39

10144

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14054

Males

9937

M18-39

9937

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

13983

Males

9760

M18-39

9760

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14259

Males

9756

M18-39

9756

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15308

Males

10123

M18-39

10123

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15161

Males

9996

M18-39

9996

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13574

Males

9234

M18-39

9234

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13930

Males

9344

M18-39

9344

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15350

Males

9887

M18-39

9887

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14692

Males

9542

M18-39

9542

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14778

Males

9582

M18-39

9582

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14655

Males

9566

M18-39

9566

Passing Analysis

Category:
Athletes Passed
5572
Passed By
289
Net Change
+5283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20968
5K → 10K170713+1694#20968#19274
10K → 15K95611+945#19274#18329
15K → 20K9523+949#18329#17380
20K → Half1541+153#17380#17227
Half → 25K4832+481#17227#16746
25K → 30K50517+488#16746#16258
30K → 20M12337+86#16258#16172
20M → 21M11826+92#16172#16080
21M → 35K11410+104#16080#15976
35K → 23M17127+144#15976#15832
23M → 24M8660+26#15832#15806
24M → 40K7738+39#15806#15767
40K → 25.2M3517+18#15767#15749
25.2M → Finish9127+64#15749#15685
TOTALS5572289+5283
📊

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