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BOSTON MARATHON 2023

Rachel Kaplan

Bib: 14340•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:41/mi
23:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
48:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:12:43
↑ 67↓ 78
20K· 12.43 mi
7:57/mi
1:37:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:42:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
2:02:04
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:27:12
↑ 181↓ 1480.2%
20M
7:56/mi
2:37:59
↑ 64↓ 500.2%
21M
8:20/mi
2:46:19
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:52:00
↑ 17↓ 861.7%
23M
7:58/mi
3:01:59
↑ 23↓ 630.6%
24M
7:55/mi
3:09:54
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:16:49
↓ 200.3%
25.2M
8:42/mi
3:19:49
↑ 13↓ 160.2%
Finish· 26.22 mi
7:58/mi
3:27:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:48
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:45:08
Pace8:01 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3423:527:4123:52
7:41
-
10K
6.21 mi11:18:5948:177:4624:25
7:52
+0:11
15K
9.32 mi11:43:251:12:437:4824:26
7:52
0:00
20K
12.43 mi12:08:061:37:247:5024:41
7:57
+0:05
Half
13.11 mi12:13:301:42:487:505:24
7:55
-0:02
25K
15.53 mi12:32:462:02:047:5119:16
7:57
+0:02
30K
18.64 mi12:57:542:27:127:5425:08
8:05
+0:08
20M
20.00 mi13:08:412:37:597:5410:47
7:56
-0:09
21M
21.00 mi13:17:012:46:197:558:20
8:20
+0:24
35K
21.75 mi13:22:422:52:007:555:41
7:36
-0:44
23M
23.00 mi13:32:413:01:597:559:59
7:58
+0:22
24M
24.00 mi13:40:363:09:547:557:55
7:55
-0:03
40K
24.85 mi13:47:313:16:497:556:55
8:05
+0:10
25.2M
25.20 mi13:50:313:19:497:563:00
8:42
+0:37
Finish
26.22 mi13:58:383:27:567:568:07
7:58
-0:44

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

7:36 /mi

Average Pace

7:56 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:56

99% of race

Time at Steady Pace

3:00

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi10:54:3423:527:4123:52
7:41
#11306
10K
6.21 mi11:18:5948:177:4624:25
7:52
#12456
15K
9.32 mi11:43:251:12:437:4824:26
7:52
#12700
20K
12.43 mi12:08:061:37:247:5024:41
7:57
#12748
Half
13.11 mi12:13:301:42:487:505:24
7:55
#12791
25K
15.53 mi12:32:462:02:047:5119:16
7:57
#12669
30K
18.64 mi12:57:542:27:127:5425:08
8:05
#12428
20M
20.00 mi13:08:412:37:597:5410:47
7:56
#12211
21M
21.00 mi13:17:012:46:197:558:20
8:20
#12027
35K
21.75 mi13:22:422:52:007:555:41
7:36
#11918
23M
23.00 mi13:32:413:01:597:559:59
7:58
#11749
24M
24.00 mi13:40:363:09:547:557:55
7:55
#11692
40K
24.85 mi13:47:313:16:497:556:55
8:05
#11642
25.2M
25.20 mi13:50:313:19:497:563:00
8:42
#11609
Finish
26.22 mi13:58:383:27:567:568:07
7:58
#11594
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi113062495249513235(Top 50%)3624(Top 32%)3624(Top 74%)
10K6.21 mi3.10 mi12456-11503135-6403135-64013638(Top 51%)3812(Top 33%)3812(Top 78%)
15K9.32 mi3.11 mi12700-2443283-1483283-14813235(Top 50%)3624(Top 32%)3624(Top 74%)
20K12.43 mi3.11 mi12748-483331-483331-4812990(Top 49%)3540(Top 31%)3540(Top 72%)
Half13.11 mi0.68 mi12791-433360-293360-2913697(Top 51%)3884(Top 34%)3884(Top 80%)
25K15.53 mi2.42 mi12669+1223315+453315+4512285(Top 46%)3239(Top 28%)3239(Top 66%)
30K18.64 mi3.11 mi12428+2413213+1023213+10211582(Top 44%)2944(Top 26%)2944(Top 60%)
20M20.00 mi1.36 mi12211+2173108+1053108+1059829(Top 37%)2171(Top 19%)2171(Top 44%)
21M21.00 mi1.00 mi12027+1843024+843024+849465(Top 36%)2139(Top 19%)2139(Top 44%)
35K21.75 mi0.75 mi11918+1092978+462978+469324(Top 35%)2077(Top 18%)2077(Top 43%)
23M23.00 mi1.25 mi11749+1692906+722906+729597(Top 36%)2307(Top 20%)2307(Top 47%)
24M24.00 mi1.00 mi11692+572892+142892+1410685(Top 40%)2929(Top 26%)2929(Top 60%)
40K24.85 mi0.85 mi11642+502886+62886+610669(Top 40%)2973(Top 26%)2973(Top 61%)
25.2M25.20 mi0.35 mi11609+332880+62880+610811(Top 41%)3085(Top 27%)3085(Top 63%)
Finish26.22 mi1.02 mi11594+152906-262906-2611883(Top 45%)3640(Top 32%)3640(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13235

Females

3624

F18-39

3624

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13638

Females

3812

F18-39

3812

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13235

Females

3624

F18-39

3624

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12990

Females

3540

F18-39

3540

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13697

Females

3884

F18-39

3884

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12285

Females

3239

F18-39

3239

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11582

Females

2944

F18-39

2944

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9829

Females

2171

F18-39

2171

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9465

Females

2139

F18-39

2139

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9324

Females

2077

F18-39

2077

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9597

Females

2307

F18-39

2307

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10685

Females

2929

F18-39

2929

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10669

Females

2973

F18-39

2973

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10811

Females

3085

F18-39

3085

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11883

Females

3640

F18-39

3640

Passing Analysis

Category:
Athletes Passed
1911
Passed By
2199
Net Change
-288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11306
5K → 10K431193-1150#11306#12456
10K → 15K116360-244#12456#12700
15K → 20K165213-48#12700#12748
20K → Half2265-43#12748#12791
Half → 25K19977+122#12791#12669
25K → 30K32786+241#12669#12428
30K → 20M23013+217#12428#12211
20M → 21M19612+184#12211#12027
21M → 35K1145+109#12027#11918
35K → 23M18516+169#11918#11749
23M → 24M9841+57#11749#11692
24M → 40K8333+50#11692#11642
40K → 25.2M5017+33#11642#11609
25.2M → Finish8368+15#11609#11594
TOTALS19112199-288
📊

Passing Visuals

Category:
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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