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BOSTON MARATHON 2023

Carrie Endara

Bib: 10639•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 17%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F40-44)
#0 / 1878
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:29
Rank: #10159
Start → 5K
23:29 | 7:34/mi
10K· 6.21 mi
46:19
Rank: #9617 (+542)
5K → 10K
22:50 | 7:21/mi
15K· 9.32 mi
1:09:06
Rank: #9309 (+308)
10K → 15K
22:47 | 7:20/mi
20K· 12.43 mi
1:32:19
Rank: #9224 (+85)
15K → 20K
23:13 | 7:28/mi
Half· 13.11 mi
1:37:20
Rank: #9208 (+16)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:55:30
Rank: #9112 (+96)
Half → 25K
18:10 | 7:30/mi
30K· 18.64 mi
2:19:53
Rank: #9200 (-88)
25K → 30K
24:23 | 7:51/mi
20M
2:31:03
Rank: #9381 (-181)
30K → 20M
11:10 | 8:13/mi
21M
2:40:52
Rank: #9901 (-520)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
2:46:46
Rank: #9935 (-34)
21M → 35K
5:54 | 7:53/mi
23M
2:56:46
Rank: #9894 (+41)
35K → 23M
10:00 | 7:59/mi
24M
3:04:08
Rank: #9707 (+187)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
3:10:59
Rank: #9702 (+5)
24M → 40K
6:51 | 8:01/mi
25.2M
3:13:58
Rank: #9703 (-1)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:22:07
Rank: #9767 (-64)
25.2M → Finish
8:09 | 8:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:20
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:44:47
Pace8:00 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5123:297:3423:29
7:34
-
10K
6.21 mi11:15:4146:197:2722:50
7:21
-0:13
15K
9.32 mi11:38:281:09:067:2522:47
7:20
-0:01
20K
12.43 mi12:01:411:32:197:2623:13
7:28
+0:08
Half
13.11 mi12:06:421:37:207:255:01
7:21
-0:07
25K
15.53 mi12:24:521:55:307:2618:10
7:30
+0:09
30K
18.64 mi12:49:152:19:537:3024:23
7:51
+0:21
20M
20.00 mi13:00:252:31:037:3311:10
8:13
+0:22
21M
21.00 mi13:10:142:40:527:409:49
9:49
+1:36
35K
21.75 mi13:16:082:46:467:405:54
7:53
-1:56
23M
23.00 mi13:26:082:56:467:4110:00
7:59
+0:06
24M
24.00 mi13:33:303:04:087:407:22
7:22
-0:37
40K
24.85 mi13:40:213:10:597:416:51
8:01
+0:39
25.2M
25.20 mi13:43:203:13:587:422:59
8:39
+0:38
Finish
26.22 mi13:51:293:22:077:438:09
8:00
-0:39

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

7:20 /mi

Average Pace

7:43 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:23

49% of race

Time at Steady Pace

1:18:46

39% of race

Time at Slower Pace

23:58

12% of race

Average Pace: 7:43 /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 mi10:52:5123:297:3423:29
7:34
#10159
10K
6.21 mi11:15:4146:197:2722:50
7:21
#9617
15K
9.32 mi11:38:281:09:067:2522:47
7:20
#9309
20K
12.43 mi12:01:411:32:197:2623:13
7:28
#9224
Half
13.11 mi12:06:421:37:207:255:01
7:21
#9208
25K
15.53 mi12:24:521:55:307:2618:10
7:30
#9112
30K
18.64 mi12:49:152:19:537:3024:23
7:51
#9200
20M
20.00 mi13:00:252:31:037:3311:10
8:13
#9381
21M
21.00 mi13:10:142:40:527:409:49
9:49
#9901
35K
21.75 mi13:16:082:46:467:405:54
7:53
#9935
23M
23.00 mi13:26:082:56:467:4110:00
7:59
#9894
24M
24.00 mi13:33:303:04:087:407:22
7:22
#9707
40K
24.85 mi13:40:213:10:597:416:51
8:01
#9702
25.2M
25.20 mi13:43:203:13:587:422:59
8:39
#9703
Finish
26.22 mi13:51:293:22:077:438:09
8:00
#9767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi10159194019408843(Top 33%)1386(Top 12%)1386(Top 74%)
10K6.21 mi3.10 mi9617+5421668+2721668+2729239(Top 35%)1512(Top 13%)1512(Top 81%)
15K9.32 mi3.11 mi9309+3081547+1211547+1218843(Top 33%)1386(Top 12%)1386(Top 74%)
20K12.43 mi3.11 mi9224+851526+211526+219120(Top 34%)1540(Top 13%)1540(Top 82%)
Half13.11 mi0.68 mi9208+161522+41522+49107(Top 34%)1531(Top 13%)1531(Top 82%)
25K15.53 mi2.42 mi9112+961487+351487+358763(Top 33%)1464(Top 13%)1464(Top 78%)
30K18.64 mi3.11 mi9200-881566-791566-799737(Top 37%)2034(Top 18%)2034(Top 108%)
20M20.00 mi1.36 mi9381-1811667-1011667-10111813(Top 44%)3159(Top 28%)3159(Top 168%)
21M21.00 mi1.00 mi9901-5201903-2361903-23617314(Top 65%)6371(Top 56%)6371(Top 339%)
35K21.75 mi0.75 mi9935-341933-301933-3011306(Top 42%)3013(Top 26%)3013(Top 160%)
23M23.00 mi1.25 mi9894+411949-161949-169667(Top 36%)2331(Top 20%)2331(Top 124%)
24M24.00 mi1.00 mi9707+1871893+561893+566877(Top 26%)1234(Top 11%)1234(Top 66%)
40K24.85 mi0.85 mi9702+51910-171910-1710145(Top 38%)2717(Top 24%)2717(Top 145%)
25.2M25.20 mi0.35 mi9703-11930-201930-2010484(Top 39%)2910(Top 25%)2910(Top 155%)
Finish26.22 mi1.02 mi9767-641992-621992-6212126(Top 46%)3755(Top 33%)3755(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8843

Females

1386

F40-44

1386

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9239

Females

1512

F40-44

1512

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8843

Females

1386

F40-44

1386

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9120

Females

1540

F40-44

1540

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9107

Females

1531

F40-44

1531

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8763

Females

1464

F40-44

1464

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9737

Females

2034

F40-44

2034

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11813

Females

3159

F40-44

3159

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17314

Females

6371

F40-44

6371

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11306

Females

3013

F40-44

3013

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9667

Females

2331

F40-44

2331

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6877

Females

1234

F40-44

1234

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10145

Females

2717

F40-44

2717

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10484

Females

2910

F40-44

2910

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12126

Females

3755

F40-44

3755

Passing Analysis

Category:
Athletes Passed
2025*
Passed By
1632
Net Change
+392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10159
5K → 10K651*109+542#10159#9617
10K → 15K34537+308#9617#9309
15K → 20K18499+85#9309#9224
20K → Half3115+16#9224#9208
Half → 25K16165+96#9208#9112
25K → 30K138226-88#9112#9200
30K → 20M32213-181#9200#9381
20M → 21M17536-520#9381#9901
21M → 35K2963-34#9901#9935
35K → 23M9554+41#9935#9894
23M → 24M1903+187#9894#9707
24M → 40K64*59+5#9707#9702
40K → 25.2M3334-1#9702#9703
25.2M → Finish55*119-64#9703#9767
TOTALS2025*1632+392

* 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