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BOSTON MARATHON 2024

Esther Karfunkel

Bib: 11297•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 22%
Masters (Masters Women)
#0 / 6263
Top 10%
Division (F40-44)
#0 / 1613
Top 22%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:17
Rank: #8223
Start → 5K
22:17 | 7:10/mi
10K· 6.21 mi
45:23
Rank: #8939 (-716)
5K → 10K
23:06 | 7:26/mi
15K· 9.32 mi
1:08:41
Rank: #9112 (-173)
10K → 15K
23:18 | 7:30/mi
20K· 12.43 mi
1:32:32
Rank: #9224 (-112)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:37:41
Rank: #9223 (+1)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:57:32
Rank: #9563 (-340)
Half → 25K
19:51 | 8:11/mi
30K· 18.64 mi
2:22:37
Rank: #9202 (+361)
25K → 30K
25:05 | 8:04/mi
20M
2:36:34
Rank: #9983 (-781)
30K → 20M
13:57 | 10:16/mi
21M
2:45:00
Rank: #9637 (+346)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:50:55
Rank: #9479 (+158)
21M → 35K
5:55 | 7:55/mi
23M
3:02:31
Rank: #9673 (-194)
35K → 23M
11:36 | 9:16/mi
24M
3:10:59
Rank: #9617 (+56)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:18:18
Rank: #9567 (+50)
24M → 40K
7:19 | 8:33/mi
25.2M
3:21:27
Rank: #9494 (+73)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:29:18
Rank: #9365 (+129)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:41
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:51:37
Pace8:31 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5722:177:1022:17
7:10
-
10K
6.21 mi11:13:0345:237:1823:06
7:26
+0:16
15K
9.32 mi11:36:211:08:417:2223:18
7:30
+0:04
20K
12.43 mi12:00:121:32:327:2723:51
7:41
+0:11
Half
13.11 mi12:05:211:37:417:275:09
7:33
-0:08
25K
15.53 mi12:25:121:57:327:3419:51
8:11
+0:38
30K
18.64 mi12:50:172:22:377:3925:05
8:04
-0:07
20M
20.00 mi13:04:142:36:347:5013:57
10:16
+2:12
21M
21.00 mi13:12:402:45:007:518:26
8:26
-1:50
35K
21.75 mi13:18:352:50:557:525:55
7:55
-0:31
23M
23.00 mi13:30:113:02:317:5611:36
9:16
+1:21
24M
24.00 mi13:38:393:10:597:578:28
8:28
-0:48
40K
24.85 mi13:45:583:18:187:597:19
8:33
+0:05
25.2M
25.20 mi13:49:073:21:278:003:09
9:08
+0:35
Finish
26.22 mi13:56:583:29:187:597:51
7:42
-1:26

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

7:10 /mi

Average Pace

7:59 /mi

Slowest Pace

10:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:50

35% of race

Time at Steady Pace

1:39:27

48% of race

Time at Slower Pace

36:01

17% of race

Average Pace: 7:59 /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 mi10:49:5722:177:1022:17
7:10
#8223
10K
6.21 mi11:13:0345:237:1823:06
7:26
#8939
15K
9.32 mi11:36:211:08:417:2223:18
7:30
#9112
20K
12.43 mi12:00:121:32:327:2723:51
7:41
#9224
Half
13.11 mi12:05:211:37:417:275:09
7:33
#9223
25K
15.53 mi12:25:121:57:327:3419:51
8:11
#9563
30K
18.64 mi12:50:172:22:377:3925:05
8:04
#9202
20M
20.00 mi13:04:142:36:347:5013:57
10:16
#9983
21M
21.00 mi13:12:402:45:007:518:26
8:26
#9637
35K
21.75 mi13:18:352:50:557:525:55
7:55
#9479
23M
23.00 mi13:30:113:02:317:5611:36
9:16
#9673
24M
24.00 mi13:38:393:10:597:578:28
8:28
#9617
40K
24.85 mi13:45:583:18:187:597:19
8:33
#9567
25.2M
25.20 mi13:49:073:21:278:003:09
9:08
#9494
Finish
26.22 mi13:56:583:29:187:597:51
7:42
#9365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8223127012709690(Top 38%)2020(Top 18%)2020(Top 125%)
10K6.21 mi3.10 mi8939-7161594-3241594-3249711(Top 38%)1974(Top 18%)1974(Top 122%)
15K9.32 mi3.11 mi9112-1731673-791673-799690(Top 38%)2020(Top 18%)2020(Top 125%)
20K12.43 mi3.11 mi9224-1121776-1031776-1039596(Top 38%)2120(Top 19%)2120(Top 131%)
Half13.11 mi0.68 mi9223+11774+21774+29556(Top 37%)2090(Top 19%)2090(Top 130%)
25K15.53 mi2.42 mi9563-3401991-2171991-21711284(Top 44%)3108(Top 28%)3108(Top 193%)
30K18.64 mi3.11 mi9202+3611903+881903+888310(Top 33%)1899(Top 17%)1899(Top 118%)
20M20.00 mi1.36 mi9983-7812368-4652368-46517318(Top 68%)6881(Top 63%)6881(Top 427%)
21M21.00 mi1.00 mi9637+3462245+1232245+1235963(Top 23%)1294(Top 12%)1294(Top 80%)
35K21.75 mi0.75 mi9479+1582207+382207+387257(Top 28%)1879(Top 17%)1879(Top 116%)
23M23.00 mi1.25 mi9673-1942369-1622369-16212447(Top 49%)4635(Top 42%)4635(Top 287%)
24M24.00 mi1.00 mi9617+562391-222391-229272(Top 36%)3068(Top 28%)3068(Top 190%)
40K24.85 mi0.85 mi9567+502407-162407-168677(Top 34%)2909(Top 27%)2909(Top 180%)
25.2M25.20 mi0.35 mi9494+732386+212386+217230(Top 28%)2297(Top 21%)2297(Top 142%)
Finish26.22 mi1.02 mi9365+1292357+292357+296795(Top 27%)2017(Top 18%)2017(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9690

Females

2020

F40-44

2020

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

9711

Females

1974

F40-44

1974

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9690

Females

2020

F40-44

2020

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9596

Females

2120

F40-44

2120

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9556

Females

2090

F40-44

2090

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11284

Females

3108

F40-44

3108

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8310

Females

1899

F40-44

1899

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

17318

Females

6881

F40-44

6881

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

5963

Females

1294

F40-44

1294

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7257

Females

1879

F40-44

1879

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12447

Females

4635

F40-44

4635

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9272

Females

3068

F40-44

3068

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8677

Females

2909

F40-44

2909

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7230

Females

2297

F40-44

2297

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

6795

Females

2017

F40-44

2017

Passing Analysis

Category:
Athletes Passed
2077*
Passed By
3216
Net Change
-1142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8223
5K → 10K64780-716#8223#8939
10K → 15K132305-173#8939#9112
15K → 20K170282-112#9112#9224
20K → Half3332+1#9224#9223
Half → 25K126465-340#9223#9563
25K → 30K44180+361#9563#9202
30K → 20M28808-781#9202#9983
20M → 21M3548+346#9983#9637
21M → 35K16810+158#9637#9479
35K → 23M101294-194#9479#9673
23M → 24M122*66+56#9673#9617
24M → 40K10757+50#9617#9567
40K → 25.2M796+73#9567#9494
25.2M → Finish15223+129#9494#9365
TOTALS2077*3216-1142

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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