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BOSTON MARATHON 2023

Sheyna Horowitz

Bib: 22708•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:43
Rank: #20090
Start → 5K
27:43 | 8:55/mi
10K· 6.21 mi
54:48
Rank: #19792 (+298)
5K → 10K
27:05 | 8:43/mi
15K· 9.32 mi
1:21:20
Rank: #19196 (+596)
10K → 15K
26:32 | 8:32/mi
20K· 12.43 mi
1:48:35
Rank: #19008 (+188)
15K → 20K
27:15 | 8:46/mi
Half· 13.11 mi
1:54:30
Rank: #18998 (+10)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:17:10
Rank: #19266 (-268)
Half → 25K
22:40 | 9:21/mi
30K· 18.64 mi
2:48:25
Rank: #19753 (-487)
25K → 30K
31:15 | 10:04/mi
20M
3:02:26
Rank: #19913 (-160)
30K → 20M
14:01 | 10:19/mi
21M
3:13:16
Rank: #19959 (-46)
20M → 21M
10:50 | 10:50/mi
35K· 21.75 mi
3:20:56
Rank: #20071 (-112)
21M → 35K
7:40 | 10:15/mi
23M
3:34:06
Rank: #20160 (-89)
35K → 23M
13:10 | 10:31/mi
24M
3:44:23
Rank: #20244 (-84)
23M → 24M
10:17 | 10:17/mi
40K· 24.85 mi
3:53:30
Rank: #20279 (-35)
24M → 40K
9:07 | 10:40/mi
25.2M
3:57:24
Rank: #20299 (-20)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
4:07:52
Rank: #20372 (-73)
25.2M → Finish
10:28 | 10:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:30
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:13:22
Pace10:10 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1827:438:5527:43
8:55
-
10K
6.21 mi11:49:2354:488:4927:05
8:43
-0:12
15K
9.32 mi12:15:551:21:208:4426:32
8:32
-0:11
20K
12.43 mi12:43:101:48:358:4427:15
8:46
+0:14
Half
13.11 mi12:49:051:54:308:445:55
8:40
-0:06
25K
15.53 mi13:11:452:17:108:5022:40
9:21
+0:41
30K
18.64 mi13:43:002:48:259:0231:15
10:04
+0:43
20M
20.00 mi13:57:013:02:269:0714:01
10:19
+0:15
21M
21.00 mi14:07:513:13:169:1210:50
10:50
+0:31
35K
21.75 mi14:15:313:20:569:147:40
10:15
-0:35
23M
23.00 mi14:28:413:34:069:1913:10
10:31
+0:16
24M
24.00 mi14:38:583:44:239:2110:17
10:17
-0:14
40K
24.85 mi14:48:053:53:309:249:07
10:40
+0:23
25.2M
25.20 mi14:51:593:57:249:253:54
11:19
+0:39
Finish
26.22 mi15:02:274:07:529:2810:28
10:16
-1:03

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

8:32 /mi

Average Pace

9:28 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:10

55% of race

Time at Steady Pace

1:35:58

39% of race

Time at Slower Pace

14:44

6% of race

Average Pace: 9:27 /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 mi11:22:1827:438:5527:43
8:55
#20090
10K
6.21 mi11:49:2354:488:4927:05
8:43
#19792
15K
9.32 mi12:15:551:21:208:4426:32
8:32
#19196
20K
12.43 mi12:43:101:48:358:4427:15
8:46
#19008
Half
13.11 mi12:49:051:54:308:445:55
8:40
#18998
25K
15.53 mi13:11:452:17:108:5022:40
9:21
#19266
30K
18.64 mi13:43:002:48:259:0231:15
10:04
#19753
20M
20.00 mi13:57:013:02:269:0714:01
10:19
#19913
21M
21.00 mi14:07:513:13:169:1210:50
10:50
#19959
35K
21.75 mi14:15:313:20:569:147:40
10:15
#20071
23M
23.00 mi14:28:413:34:069:1913:10
10:31
#20160
24M
24.00 mi14:38:583:44:239:2110:17
10:17
#20244
40K
24.85 mi14:48:053:53:309:249:07
10:40
#20279
25.2M
25.20 mi14:51:593:57:249:253:54
11:19
#20299
Finish
26.22 mi15:02:274:07:529:2810:28
10:16
#20372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi200907873787318088(Top 68%)6560(Top 57%)6560(Top 361%)
10K6.21 mi3.10 mi19792+2987646+2277646+22719532(Top 73%)7410(Top 65%)7410(Top 408%)
15K9.32 mi3.11 mi19196+5967248+3987248+39818088(Top 68%)6560(Top 57%)6560(Top 361%)
20K12.43 mi3.11 mi19008+1887128+1207128+12018529(Top 70%)6813(Top 60%)6813(Top 375%)
Half13.11 mi0.68 mi18998+107124+47124+418852(Top 71%)7009(Top 61%)7009(Top 386%)
25K15.53 mi2.42 mi19266-2687281-1577281-15720358(Top 76%)7907(Top 69%)7907(Top 435%)
30K18.64 mi3.11 mi19753-4877585-3047585-30421183(Top 80%)8449(Top 74%)8449(Top 465%)
20M20.00 mi1.36 mi19913-1607690-1057690-10521303(Top 80%)8580(Top 75%)8580(Top 472%)
21M21.00 mi1.00 mi19959-467728-387728-3820468(Top 77%)8178(Top 72%)8178(Top 450%)
35K21.75 mi0.75 mi20071-1127799-717799-7121880(Top 82%)8979(Top 79%)8979(Top 494%)
23M23.00 mi1.25 mi20160-897862-637862-6321357(Top 80%)8712(Top 76%)8712(Top 479%)
24M24.00 mi1.00 mi20244-847916-547916-5421526(Top 81%)8858(Top 78%)8858(Top 488%)
40K24.85 mi0.85 mi20279-357949-337949-3321629(Top 81%)8952(Top 78%)8952(Top 493%)
25.2M25.20 mi0.35 mi20299-207965-167965-1621152(Top 79%)8674(Top 76%)8674(Top 477%)
Finish26.22 mi1.02 mi20372-738012-478012-4722470(Top 84%)9365(Top 82%)9365(Top 515%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18088

Females

6560

F45-49

6560

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19532

Females

7410

F45-49

7410

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18088

Females

6560

F45-49

6560

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18529

Females

6813

F45-49

6813

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18852

Females

7009

F45-49

7009

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20358

Females

7907

F45-49

7907

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21183

Females

8449

F45-49

8449

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21303

Females

8580

F45-49

8580

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20468

Females

8178

F45-49

8178

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21880

Females

8979

F45-49

8979

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21357

Females

8712

F45-49

8712

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21526

Females

8858

F45-49

8858

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21629

Females

8952

F45-49

8952

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21152

Females

8674

F45-49

8674

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22470

Females

9365

F45-49

9365

Passing Analysis

Category:
Athletes Passed
1793
Passed By
2075
Net Change
-282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20090
5K → 10K484186+298#20090#19792
10K → 15K62529+596#19792#19196
15K → 20K26678+188#19196#19008
20K → Half2919+10#19008#18998
Half → 25K66334-268#18998#19266
25K → 30K60547-487#19266#19753
30K → 20M43203-160#19753#19913
20M → 21M66112-46#19913#19959
21M → 35K21133-112#19959#20071
35K → 23M48137-89#20071#20160
23M → 24M22106-84#20160#20244
24M → 40K2863-35#20244#20279
40K → 25.2M1333-20#20279#20299
25.2M → Finish2295-73#20299#20372
TOTALS17932075-282
📊

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