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BOSTON MARATHON 2023

Joy Castro-Wehr

Bib: 14782•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 29%
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
7:42/mi
23:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
47:12
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:10:22
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:33:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:38:54
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:57:18
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:21:34
↑ 181↓ 1480.2%
20M
7:49/mi
2:32:12
↑ 64↓ 500.2%
21M
8:16/mi
2:40:28
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:46:10
↑ 17↓ 861.7%
23M
8:00/mi
2:56:11
↑ 23↓ 630.6%
24M
7:51/mi
3:04:02
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:10:54
↓ 200.3%
25.2M
8:10/mi
3:13:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:14/mi
3:21:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:54
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:42:11
Pace7:48 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1423:547:4223:54
7:42
-
10K
6.21 mi11:16:3247:127:3623:18
7:30
-0:12
15K
9.32 mi11:39:421:10:227:3323:10
7:27
-0:03
20K
12.43 mi12:03:101:33:507:3323:28
7:33
+0:06
Half
13.11 mi12:08:141:38:547:335:04
7:26
-0:07
25K
15.53 mi12:26:381:57:187:3318:24
7:35
+0:09
30K
18.64 mi12:50:542:21:347:3624:16
7:49
+0:14
20M
20.00 mi13:01:322:32:127:3710:38
7:49
0:00
21M
21.00 mi13:09:482:40:287:388:16
8:16
+0:27
35K
21.75 mi13:15:302:46:107:385:42
7:37
-0:39
23M
23.00 mi13:25:312:56:117:4010:01
8:00
+0:23
24M
24.00 mi13:33:223:04:027:407:51
7:51
-0:09
40K
24.85 mi13:40:143:10:547:416:52
8:02
+0:11
25.2M
25.20 mi13:43:033:13:437:412:49
8:10
+0:08
Finish
26.22 mi13:50:253:21:057:407:22
7:14
-0:56

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

7:14 /mi

Average Pace

7:40 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:07

86% of race

Time at Steady Pace

27:58

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:53:1423:547:4223:54
7:42
#11383
10K
6.21 mi11:16:3247:127:3623:18
7:30
#10888
15K
9.32 mi11:39:421:10:227:3323:10
7:27
#10498
20K
12.43 mi12:03:101:33:507:3323:28
7:33
#10280
Half
13.11 mi12:08:141:38:547:335:04
7:26
#10240
25K
15.53 mi12:26:381:57:187:3318:24
7:35
#10055
30K
18.64 mi12:50:542:21:347:3624:16
7:49
#9929
20M
20.00 mi13:01:322:32:127:3710:38
7:49
#9819
21M
21.00 mi13:09:482:40:287:388:16
8:16
#9740
35K
21.75 mi13:15:302:46:107:385:42
7:37
#9718
23M
23.00 mi13:25:312:56:117:4010:01
8:00
#9689
24M
24.00 mi13:33:223:04:027:407:51
7:51
#9677
40K
24.85 mi13:40:143:10:547:416:52
8:02
#9670
25.2M
25.20 mi13:43:033:13:437:412:49
8:10
#9611
Finish
26.22 mi13:50:253:21:057:407:22
7:14
#9472
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11383252625269846(Top 37%)1772(Top 16%)1772(Top 36%)
10K6.21 mi3.10 mi10888+4952268+2582268+25810449(Top 39%)2026(Top 18%)2026(Top 41%)
15K9.32 mi3.11 mi10498+3902061+2072061+2079846(Top 37%)1772(Top 16%)1772(Top 36%)
20K12.43 mi3.11 mi10280+2181966+951966+959739(Top 37%)1802(Top 16%)1802(Top 37%)
Half13.11 mi0.68 mi10240+401950+161950+169677(Top 36%)1748(Top 15%)1748(Top 36%)
25K15.53 mi2.42 mi10055+1851884+661884+669475(Top 36%)1766(Top 15%)1766(Top 36%)
30K18.64 mi3.11 mi9929+1261863+211863+219456(Top 36%)1908(Top 17%)1908(Top 39%)
20M20.00 mi1.36 mi9819+1101837+261837+269088(Top 34%)1828(Top 16%)1828(Top 37%)
21M21.00 mi1.00 mi9740+791823+141823+149049(Top 34%)1946(Top 17%)1946(Top 40%)
35K21.75 mi0.75 mi9718+221834-111834-119433(Top 35%)2110(Top 18%)2110(Top 43%)
23M23.00 mi1.25 mi9689+291857-231857-239746(Top 37%)2373(Top 21%)2373(Top 49%)
24M24.00 mi1.00 mi9677+121875-181875-1810170(Top 38%)2663(Top 23%)2663(Top 55%)
40K24.85 mi0.85 mi9670+71898-231898-2310267(Top 39%)2778(Top 24%)2778(Top 57%)
25.2M25.20 mi0.35 mi9611+591892+61892+67576(Top 28%)1646(Top 14%)1646(Top 34%)
Finish26.22 mi1.02 mi9472+1391854+381854+386654(Top 25%)1305(Top 11%)1305(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9846

Females

1772

F18-39

1772

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10449

Females

2026

F18-39

2026

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9846

Females

1772

F18-39

1772

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9739

Females

1802

F18-39

1802

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9677

Females

1748

F18-39

1748

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9475

Females

1766

F18-39

1766

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9456

Females

1908

F18-39

1908

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9088

Females

1828

F18-39

1828

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9049

Females

1946

F18-39

1946

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9433

Females

2110

F18-39

2110

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9746

Females

2373

F18-39

2373

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10170

Females

2663

F18-39

2663

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10267

Females

2778

F18-39

2778

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7576

Females

1646

F18-39

1646

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6654

Females

1305

F18-39

1305

Passing Analysis

Category:
Athletes Passed
2607*
Passed By
696
Net Change
+1911
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11383
5K → 10K623128+495#11383#10888
10K → 15K44353+390#10888#10498
15K → 20K267*49+218#10498#10280
20K → Half5212+40#10280#10240
Half → 25K22944+185#10240#10055
25K → 30K223*97+126#10055#9929
30K → 20M13929+110#9929#9819
20M → 21M11637+79#9819#9740
21M → 35K5432+22#9740#9718
35K → 23M10677+29#9718#9689
23M → 24M7260+12#9689#9677
24M → 40K61*54+7#9677#9670
40K → 25.2M7314+59#9670#9611
25.2M → Finish14910+139#9611#9472
TOTALS2607*696+1911

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

📊

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