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BOSTON MARATHON 2023

Renee Zukerman

Bib: 23931•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:02
Rank: #20562
Start → 5K
28:02 | 9:01/mi
10K· 6.21 mi
56:10
Rank: #20804 (-242)
5K → 10K
28:08 | 9:03/mi
15K· 9.32 mi
1:24:15
Rank: #20749 (+55)
10K → 15K
28:05 | 9:02/mi
20K· 12.43 mi
1:52:54
Rank: #20706 (+43)
15K → 20K
28:39 | 9:13/mi
Half· 13.11 mi
1:59:05
Rank: #20706
20K → Half
6:11 | 9:04/mi
25K· 15.53 mi
2:21:34
Rank: #20614 (+92)
Half → 25K
22:29 | 9:16/mi
30K· 18.64 mi
2:51:21
Rank: #20426 (+188)
25K → 30K
29:47 | 9:35/mi
20M
3:04:18
Rank: #20303 (+123)
30K → 20M
12:57 | 9:32/mi
21M
3:14:43
Rank: #20234 (+69)
20M → 21M
10:25 | 10:25/mi
35K· 21.75 mi
3:21:40
Rank: #20189 (+45)
21M → 35K
6:57 | 9:17/mi
23M
3:33:38
Rank: #20094 (+95)
35K → 23M
11:58 | 9:33/mi
24M
3:43:06
Rank: #20063 (+31)
23M → 24M
9:28 | 9:28/mi
40K· 24.85 mi
3:51:09
Rank: #19982 (+81)
24M → 40K
8:03 | 9:25/mi
25.2M
3:54:41
Rank: #19955 (+27)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
4:04:02
Rank: #19906 (+49)
25.2M → Finish
9:21 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:05
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:04:57
Pace9:32 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0928:029:0128:02
9:01
-
10K
6.21 mi11:51:1756:109:0228:08
9:03
+0:02
15K
9.32 mi12:19:221:24:159:0228:05
9:02
-0:01
20K
12.43 mi12:48:011:52:549:0528:39
9:13
+0:11
Half
13.11 mi12:54:121:59:059:056:11
9:04
-0:09
25K
15.53 mi13:16:412:21:349:0722:29
9:16
+0:12
30K
18.64 mi13:46:282:51:219:1229:47
9:35
+0:19
20M
20.00 mi13:59:253:04:189:1312:57
9:32
-0:03
21M
21.00 mi14:09:503:14:439:1610:25
10:25
+0:53
35K
21.75 mi14:16:473:21:409:166:57
9:17
-1:08
23M
23.00 mi14:28:453:33:389:1711:58
9:33
+0:16
24M
24.00 mi14:38:133:43:069:189:28
9:28
-0:05
40K
24.85 mi14:46:163:51:099:188:03
9:25
-0:03
25.2M
25.20 mi14:49:483:54:419:193:32
10:15
+0:50
Finish
26.22 mi14:59:094:04:029:199:21
9:11
-1:04

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

9:01 /mi

Average Pace

9:19 /mi

Slowest Pace

10:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:50:05

94% of race

Time at Steady Pace

13:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:18 /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 mi11:23:0928:029:0128:02
9:01
#20562
10K
6.21 mi11:51:1756:109:0228:08
9:03
#20804
15K
9.32 mi12:19:221:24:159:0228:05
9:02
#20749
20K
12.43 mi12:48:011:52:549:0528:39
9:13
#20706
Half
13.11 mi12:54:121:59:059:056:11
9:04
#20706
25K
15.53 mi13:16:412:21:349:0722:29
9:16
#20614
30K
18.64 mi13:46:282:51:219:1229:47
9:35
#20426
20M
20.00 mi13:59:253:04:189:1312:57
9:32
#20303
21M
21.00 mi14:09:503:14:439:1610:25
10:25
#20234
35K
21.75 mi14:16:473:21:409:166:57
9:17
#20189
23M
23.00 mi14:28:453:33:389:1711:58
9:33
#20094
24M
24.00 mi14:38:133:43:069:189:28
9:28
#20063
40K
24.85 mi14:46:163:51:099:188:03
9:25
#19982
25.2M
25.20 mi14:49:483:54:419:193:32
10:15
#19955
Finish
26.22 mi14:59:094:04:029:199:21
9:11
#19906
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi205628150815020682(Top 78%)8058(Top 71%)8058(Top 989%)
10K6.21 mi3.10 mi20804-2428203-538203-5321095(Top 79%)8321(Top 73%)8321(Top 1021%)
15K9.32 mi3.11 mi20749+558150+538150+5320682(Top 78%)8058(Top 71%)8058(Top 989%)
20K12.43 mi3.11 mi20706+438108+428108+4220661(Top 78%)8035(Top 70%)8035(Top 986%)
Half13.11 mi0.68 mi207068109-18109-120715(Top 78%)8077(Top 71%)8077(Top 991%)
25K15.53 mi2.42 mi20614+928048+618048+6120114(Top 76%)7760(Top 68%)7760(Top 952%)
30K18.64 mi3.11 mi20426+1887969+797969+7919753(Top 74%)7623(Top 67%)7623(Top 935%)
20M20.00 mi1.36 mi20303+1237916+537916+5318993(Top 71%)7299(Top 64%)7299(Top 896%)
21M21.00 mi1.00 mi20234+697885+317885+3119330(Top 73%)7538(Top 66%)7538(Top 925%)
35K21.75 mi0.75 mi20189+457870+157870+1519144(Top 72%)7474(Top 65%)7474(Top 917%)
23M23.00 mi1.25 mi20094+957824+467824+4618574(Top 70%)7173(Top 63%)7173(Top 880%)
24M24.00 mi1.00 mi20063+317814+107814+1019120(Top 72%)7517(Top 66%)7517(Top 922%)
40K24.85 mi0.85 mi19982+817777+377777+3718044(Top 68%)6973(Top 61%)6973(Top 856%)
25.2M25.20 mi0.35 mi19955+277762+157762+1518342(Top 69%)7151(Top 63%)7151(Top 877%)
Finish26.22 mi1.02 mi19906+497739+237739+2318828(Top 71%)7350(Top 64%)7350(Top 902%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20682

Females

8058

F55-59

8058

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

21095

Females

8321

F55-59

8321

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20682

Females

8058

F55-59

8058

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20661

Females

8035

F55-59

8035

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20715

Females

8077

F55-59

8077

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20114

Females

7760

F55-59

7760

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19753

Females

7623

F55-59

7623

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18993

Females

7299

F55-59

7299

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19330

Females

7538

F55-59

7538

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19144

Females

7474

F55-59

7474

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18574

Females

7173

F55-59

7173

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19120

Females

7517

F55-59

7517

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18044

Females

6973

F55-59

6973

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18342

Females

7151

F55-59

7151

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18828

Females

7350

F55-59

7350

Passing Analysis

Category:
Athletes Passed
1695
Passed By
1039
Net Change
+656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20562
5K → 10K186428-242#20562#20804
10K → 15K205150+55#20804#20749
15K → 20K186143+43#20749#20706
20K → Half30300#20706#20706
Half → 25K15462+92#20706#20614
25K → 30K24355+188#20614#20426
30K → 20M14522+123#20426#20303
20M → 21M10839+69#20303#20234
21M → 35K6116+45#20234#20189
35K → 23M12833+95#20189#20094
23M → 24M5524+31#20094#20063
24M → 40K9110+81#20063#19982
40K → 25.2M3912+27#19982#19955
25.2M → Finish6415+49#19955#19906
TOTALS16951039+656
📊

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