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BOSTON MARATHON 2023

Barbara Cheifet

Bib: 15524•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:23
Rank: #12831
Start → 5K
24:23 | 7:51/mi
10K· 6.21 mi
48:41
Rank: #13022 (-191)
5K → 10K
24:18 | 7:49/mi
15K· 9.32 mi
1:13:30
Rank: #13457 (-435)
10K → 15K
24:49 | 7:59/mi
20K· 12.43 mi
1:38:06
Rank: #13269 (+188)
15K → 20K
24:36 | 7:55/mi
Half· 13.11 mi
1:43:27
Rank: #13245 (+24)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:02:13
Rank: #12762 (+483)
Half → 25K
18:46 | 7:44/mi
30K· 18.64 mi
2:26:43
Rank: #12221 (+541)
25K → 30K
24:30 | 7:53/mi
20M
2:37:27
Rank: #11989 (+232)
30K → 20M
10:44 | 7:54/mi
21M
2:45:41
Rank: #11776 (+213)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:51:33
Rank: #11752 (+24)
21M → 35K
5:52 | 7:51/mi
23M
3:01:30
Rank: #11569 (+183)
35K → 23M
9:57 | 7:57/mi
24M
3:09:12
Rank: #11435 (+134)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:15:50
Rank: #11289 (+146)
24M → 40K
6:38 | 7:45/mi
25.2M
3:18:43
Rank: #11222 (+67)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:26:23
Rank: #11093 (+129)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:27
Pace7:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:42:56
Pace7:51 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3124:237:5124:23
7:51
-
10K
6.21 mi11:18:4948:417:5024:18
7:49
-0:02
15K
9.32 mi11:43:381:13:307:5324:49
7:59
+0:10
20K
12.43 mi12:08:141:38:067:5424:36
7:55
-0:04
Half
13.11 mi12:13:351:43:277:535:21
7:50
-0:05
25K
15.53 mi12:32:212:02:137:5218:46
7:44
-0:06
30K
18.64 mi12:56:512:26:437:5224:30
7:53
+0:09
20M
20.00 mi13:07:352:37:277:5210:44
7:54
+0:01
21M
21.00 mi13:15:492:45:417:538:14
8:14
+0:20
35K
21.75 mi13:21:412:51:337:535:52
7:51
-0:23
23M
23.00 mi13:31:383:01:307:539:57
7:57
+0:06
24M
24.00 mi13:39:203:09:127:537:42
7:42
-0:15
40K
24.85 mi13:45:583:15:507:536:38
7:45
+0:03
25.2M
25.20 mi13:48:513:18:437:532:53
8:22
+0:37
Finish
26.22 mi13:56:313:26:237:537:40
7:31
-0:51

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

7:31 /mi

Average Pace

7:53 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:30

99% of race

Time at Steady Pace

2:53

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi10:54:3124:237:5124:23
7:51
#12831
10K
6.21 mi11:18:4948:417:5024:18
7:49
#13022
15K
9.32 mi11:43:381:13:307:5324:49
7:59
#13457
20K
12.43 mi12:08:141:38:067:5424:36
7:55
#13269
Half
13.11 mi12:13:351:43:277:535:21
7:50
#13245
25K
15.53 mi12:32:212:02:137:5218:46
7:44
#12762
30K
18.64 mi12:56:512:26:437:5224:30
7:53
#12221
20M
20.00 mi13:07:352:37:277:5210:44
7:54
#11989
21M
21.00 mi13:15:492:45:417:538:14
8:14
#11776
35K
21.75 mi13:21:412:51:337:535:52
7:51
#11752
23M
23.00 mi13:31:383:01:307:539:57
7:57
#11569
24M
24.00 mi13:39:203:09:127:537:42
7:42
#11435
40K
24.85 mi13:45:583:15:507:536:38
7:45
#11289
25.2M
25.20 mi13:48:513:18:437:532:53
8:22
#11222
Finish
26.22 mi13:56:313:26:237:537:40
7:31
#11093
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128313337333714288(Top 54%)4245(Top 37%)4245(Top 87%)
10K6.21 mi3.10 mi13022-1913454-1173454-11713327(Top 50%)3619(Top 32%)3619(Top 74%)
15K9.32 mi3.11 mi13457-4353722-2683722-26814288(Top 54%)4245(Top 37%)4245(Top 87%)
20K12.43 mi3.11 mi13269+1883640+823640+8212769(Top 48%)3418(Top 30%)3418(Top 70%)
Half13.11 mi0.68 mi13245+243630+103630+1013106(Top 49%)3540(Top 31%)3540(Top 72%)
25K15.53 mi2.42 mi12762+4833374+2563374+25610639(Top 40%)2309(Top 20%)2309(Top 47%)
30K18.64 mi3.11 mi12221+5413108+2663108+26610041(Top 38%)2186(Top 19%)2186(Top 45%)
20M20.00 mi1.36 mi11989+2322989+1192989+1199584(Top 36%)2060(Top 18%)2060(Top 42%)
21M21.00 mi1.00 mi11776+2132886+1032886+1038832(Top 33%)1859(Top 16%)1859(Top 38%)
35K21.75 mi0.75 mi11752+242884+22884+210988(Top 41%)2865(Top 25%)2865(Top 59%)
23M23.00 mi1.25 mi11569+1832807+772807+779425(Top 35%)2234(Top 20%)2234(Top 46%)
24M24.00 mi1.00 mi11435+1342754+532754+539125(Top 34%)2169(Top 19%)2169(Top 44%)
40K24.85 mi0.85 mi11289+1462701+532701+538430(Top 32%)1920(Top 17%)1920(Top 39%)
25.2M25.20 mi0.35 mi11222+672680+212680+218752(Top 33%)2155(Top 19%)2155(Top 44%)
Finish26.22 mi1.02 mi11093+1292634+462634+468756(Top 33%)2136(Top 19%)2136(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14288

Females

4245

F18-39

4245

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13327

Females

3619

F18-39

3619

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14288

Females

4245

F18-39

4245

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12769

Females

3418

F18-39

3418

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13106

Females

3540

F18-39

3540

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10639

Females

2309

F18-39

2309

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10041

Females

2186

F18-39

2186

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9584

Females

2060

F18-39

2060

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8832

Females

1859

F18-39

1859

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10988

Females

2865

F18-39

2865

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9425

Females

2234

F18-39

2234

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9125

Females

2169

F18-39

2169

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8430

Females

1920

F18-39

1920

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8752

Females

2155

F18-39

2155

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8756

Females

2136

F18-39

2136

Passing Analysis

Category:
Athletes Passed
2928
Passed By
1190
Net Change
+1738
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12831
5K → 10K228419-191#12831#13022
10K → 15K88523-435#13022#13457
15K → 20K28496+188#13457#13269
20K → Half4016+24#13269#13245
Half → 25K4852+483#13245#12762
25K → 30K55716+541#12762#12221
30K → 20M2419+232#12221#11989
20M → 21M2207+213#11989#11776
21M → 35K6238+24#11776#11752
35K → 23M20219+183#11752#11569
23M → 24M14713+134#11569#11435
24M → 40K1548+146#11435#11289
40K → 25.2M703+67#11289#11222
25.2M → Finish15021+129#11222#11093
TOTALS29281190+1738
📊

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