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BOSTON MARATHON 2023

Esther Kendall

Bib: 10071•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Female)
#0 / 11423
Top 4%
Division (F18-39)
#0 / 4884
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:12
Rank: #7160
Start → 5K
22:12 | 7:09/mi
10K· 6.21 mi
44:13
Rank: #7224 (-64)
5K → 10K
22:01 | 7:05/mi
15K· 9.32 mi
1:06:05
Rank: #7042 (+182)
10K → 15K
21:52 | 7:02/mi
20K· 12.43 mi
1:28:06
Rank: #6860 (+182)
15K → 20K
22:01 | 7:05/mi
Half· 13.11 mi
1:32:47
Rank: #6811 (+49)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:49:51
Rank: #6623 (+188)
Half → 25K
17:04 | 7:02/mi
30K· 18.64 mi
2:11:44
Rank: #6223 (+400)
25K → 30K
21:53 | 7:03/mi
20M
2:21:13
Rank: #6005 (+218)
30K → 20M
9:29 | 6:59/mi
21M
2:28:40
Rank: #5875 (+130)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:33:44
Rank: #5797 (+78)
21M → 35K
5:04 | 6:46/mi
23M
2:42:43
Rank: #5662 (+135)
35K → 23M
8:59 | 7:10/mi
24M
2:49:46
Rank: #5587 (+75)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:55:52
Rank: #5504 (+83)
24M → 40K
6:06 | 7:08/mi
25.2M
2:58:31
Rank: #5461 (+43)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:05:37
Rank: #5392 (+69)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:32:47
Pace7:05 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:50
Pace7:05 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3022:127:0922:12
7:09
-
10K
6.21 mi11:10:3144:137:0722:01
7:05
-0:04
15K
9.32 mi11:32:231:06:057:0521:52
7:02
-0:03
20K
12.43 mi11:54:241:28:067:0522:01
7:05
+0:03
Half
13.11 mi11:59:051:32:477:054:41
6:52
-0:13
25K
15.53 mi12:16:091:49:517:0417:04
7:02
+0:10
30K
18.64 mi12:38:022:11:447:0421:53
7:03
+0:01
20M
20.00 mi12:47:312:21:137:049:29
6:59
-0:04
21M
21.00 mi12:54:582:28:407:057:27
7:27
+0:28
35K
21.75 mi13:00:022:33:447:045:04
6:46
-0:41
23M
23.00 mi13:09:012:42:437:048:59
7:10
+0:24
24M
24.00 mi13:16:042:49:467:047:03
7:03
-0:07
40K
24.85 mi13:22:102:55:527:056:06
7:08
+0:05
25.2M
25.20 mi13:24:492:58:317:052:39
7:41
+0:33
Finish
26.22 mi13:31:553:05:377:057:06
6:58
-0:43

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

6:46 /mi

Average Pace

7:05 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:31

95% of race

Time at Steady Pace

10:06

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi10:48:3022:127:0922:12
7:09
#7160
10K
6.21 mi11:10:3144:137:0722:01
7:05
#7224
15K
9.32 mi11:32:231:06:057:0521:52
7:02
#7042
20K
12.43 mi11:54:241:28:067:0522:01
7:05
#6860
Half
13.11 mi11:59:051:32:477:054:41
6:52
#6811
25K
15.53 mi12:16:091:49:517:0417:04
7:02
#6623
30K
18.64 mi12:38:022:11:447:0421:53
7:03
#6223
20M
20.00 mi12:47:312:21:137:049:29
6:59
#6005
21M
21.00 mi12:54:582:28:407:057:27
7:27
#5875
35K
21.75 mi13:00:022:33:447:045:04
6:46
#5797
23M
23.00 mi13:09:012:42:437:048:59
7:10
#5662
24M
24.00 mi13:16:042:49:467:047:03
7:03
#5587
40K
24.85 mi13:22:102:55:527:056:06
7:08
#5504
25.2M
25.20 mi13:24:492:58:317:052:39
7:41
#5461
Finish
26.22 mi13:31:553:05:377:057:06
6:58
#5392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi71607567566807(Top 26%)702(Top 6%)702(Top 14%)
10K6.21 mi3.10 mi7224-64790-34790-347368(Top 28%)847(Top 7%)847(Top 17%)
15K9.32 mi3.11 mi7042+182747+43747+436807(Top 26%)702(Top 6%)702(Top 14%)
20K12.43 mi3.11 mi6860+182702+45702+456493(Top 24%)648(Top 6%)648(Top 13%)
Half13.11 mi0.68 mi6811+49694+8694+85839(Top 22%)477(Top 4%)477(Top 10%)
25K15.53 mi2.42 mi6623+188666+28666+285806(Top 22%)500(Top 4%)500(Top 10%)
30K18.64 mi3.11 mi6223+400586+80586+804646(Top 17%)351(Top 3%)351(Top 7%)
20M20.00 mi1.36 mi6005+218546+40546+403938(Top 15%)280(Top 2%)280(Top 6%)
21M21.00 mi1.00 mi5875+130523+23523+234369(Top 16%)375(Top 3%)375(Top 8%)
35K21.75 mi0.75 mi5797+78510+13510+134074(Top 15%)342(Top 3%)342(Top 7%)
23M23.00 mi1.25 mi5662+135493+17493+174694(Top 18%)458(Top 4%)458(Top 9%)
24M24.00 mi1.00 mi5587+75490+3490+34949(Top 19%)559(Top 5%)559(Top 11%)
40K24.85 mi0.85 mi5504+83483+7483+74578(Top 17%)528(Top 5%)528(Top 11%)
25.2M25.20 mi0.35 mi5461+43477+6477+64851(Top 18%)658(Top 6%)658(Top 13%)
Finish26.22 mi1.02 mi5392+69472+5472+55034(Top 19%)732(Top 6%)732(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6807

Females

702

F18-39

702

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7368

Females

847

F18-39

847

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6807

Females

702

F18-39

702

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6493

Females

648

F18-39

648

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5839

Females

477

F18-39

477

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5806

Females

500

F18-39

500

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4646

Females

351

F18-39

351

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3938

Females

280

F18-39

280

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4369

Females

375

F18-39

375

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4074

Females

342

F18-39

342

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4694

Females

458

F18-39

458

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4949

Females

559

F18-39

559

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4578

Females

528

F18-39

528

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4851

Females

658

F18-39

658

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5034

Females

732

F18-39

732

Passing Analysis

Category:
Athletes Passed
2193
Passed By
425
Net Change
+1768
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7160
5K → 10K185249-64#7160#7224
10K → 15K24664+182#7224#7042
15K → 20K21129+182#7042#6860
20K → Half534+49#6860#6811
Half → 25K20012+188#6811#6623
25K → 30K4033+400#6623#6223
30K → 20M2180+218#6223#6005
20M → 21M1355+130#6005#5875
21M → 35K835+78#5875#5797
35K → 23M14510+135#5797#5662
23M → 24M8712+75#5662#5587
24M → 40K918+83#5587#5504
40K → 25.2M474+43#5504#5461
25.2M → Finish8920+69#5461#5392
TOTALS2193425+1768
📊

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