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BOSTON MARATHON 2023

Jennifer Cary

Bib: 16841•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:34
Rank: #10424
Start → 5K
7:35/mi
23:34 split
10K· 6.21 mi
46:40
Rank: #10144 (+280)
5K → 10K
7:26/mi
23:06 split
15K· 9.32 mi
1:10:24
Rank: #10537 (-393)
10K → 15K
7:38/mi
23:44 split
20K· 12.43 mi
1:36:12
Rank: #11892 (-1355)
15K → 20K
8:18/mi
25:48 split
Half· 13.11 mi
1:41:32
Rank: #11951 (-59)
20K → Half
7:49/mi
5:20 split
25K· 15.53 mi
2:01:36
Rank: #12430 (-479)
Half → 25K
8:17/mi
20:04 split
30K· 18.64 mi
2:27:50
Rank: #12739 (-309)
25K → 30K
8:27/mi
26:14 split
20M
2:39:08
Rank: #12676 (+63)
30K → 20M
8:19/mi
11:18 split
21M
2:48:15
Rank: #12745 (-69)
20M → 21M
9:07/mi
9:07 split
35K· 21.75 mi
2:54:36
Rank: #12853 (-108)
21M → 35K
8:29/mi
6:21 split
23M
3:05:27
Rank: #12932 (-79)
35K → 23M
8:40/mi
10:51 split
24M
3:14:00
Rank: #13001 (-69)
23M → 24M
8:33/mi
8:33 split
40K· 24.85 mi
3:21:01
Rank: #12939 (+62)
24M → 40K
8:12/mi
7:01 split
25.2M
3:24:03
Rank: #12904 (+35)
40K → 25.2M
8:48/mi
3:02 split
Finish· 26.22 mi
3:32:20
Rank: #12886 (+18)
25.2M → Finish
8:08/mi
8:17 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:32
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:50:48
Pace8:27 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4723:347:3523:34
7:35
-
10K
6.21 mi11:36:5346:407:3123:06
7:26
-0:09
15K
9.32 mi12:00:371:10:247:3323:44
7:38
+0:12
20K
12.43 mi12:26:251:36:127:4425:48
8:18
+0:40
Half
13.11 mi12:31:451:41:327:455:20
7:49
-0:29
25K
15.53 mi12:51:492:01:367:5020:04
8:17
+0:28
30K
18.64 mi13:18:032:27:507:5626:14
8:27
+0:10
20M
20.00 mi13:29:212:39:087:5711:18
8:19
-0:08
21M
21.00 mi13:38:282:48:158:019:07
9:07
+0:48
35K
21.75 mi13:44:492:54:368:026:21
8:29
-0:38
23M
23.00 mi13:55:403:05:278:0410:51
8:40
+0:11
24M
24.00 mi14:04:133:14:008:058:33
8:33
-0:07
40K
24.85 mi14:11:143:21:018:057:01
8:12
-0:21
25.2M
25.20 mi14:14:163:24:038:063:02
8:48
+0:36
Finish
26.22 mi14:22:333:32:208:068:17
8:08
-0:40

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

7:26 /mi

Average Pace

8:06 /mi

Slowest Pace

9:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:44

36% of race

Time at Steady Pace

1:45:03

49% of race

Time at Slower Pace

31:33

15% of race

Average Pace: 8:06 /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 mi11:13:4723:347:3523:34
7:35
#10424
10K
6.21 mi11:36:5346:407:3123:06
7:26
#10144
15K
9.32 mi12:00:371:10:247:3323:44
7:38
#10537
20K
12.43 mi12:26:251:36:127:4425:48
8:18
#11892
Half
13.11 mi12:31:451:41:327:455:20
7:49
#11951
25K
15.53 mi12:51:492:01:367:5020:04
8:17
#12430
30K
18.64 mi13:18:032:27:507:5626:14
8:27
#12739
20M
20.00 mi13:29:212:39:087:5711:18
8:19
#12676
21M
21.00 mi13:38:282:48:158:019:07
9:07
#12745
35K
21.75 mi13:44:492:54:368:026:21
8:29
#12853
23M
23.00 mi13:55:403:05:278:0410:51
8:40
#12932
24M
24.00 mi14:04:133:14:008:058:33
8:33
#13001
40K
24.85 mi14:11:143:21:018:057:01
8:12
#12939
25.2M
25.20 mi14:14:163:24:038:063:02
8:48
#12904
Finish
26.22 mi14:22:333:32:208:068:17
8:08
#12886
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi104242054205411359(Top 43%)2549(Top 22%)2549(Top 52%)
10K6.21 mi3.10 mi10144+2801904+1501904+1509952(Top 37%)1802(Top 16%)1802(Top 37%)
15K9.32 mi3.11 mi10537-3932085-1812085-18111359(Top 43%)2549(Top 22%)2549(Top 52%)
20K12.43 mi3.11 mi11892-13552855-7702855-77015651(Top 59%)5130(Top 45%)5130(Top 105%)
Half13.11 mi0.68 mi11951-592888-332888-3312995(Top 49%)3524(Top 31%)3524(Top 72%)
25K15.53 mi2.42 mi12430-4793185-2973185-29714812(Top 56%)4716(Top 41%)4716(Top 97%)
30K18.64 mi3.11 mi12739-3093397-2123397-21213969(Top 52%)4321(Top 38%)4321(Top 88%)
20M20.00 mi1.36 mi12676+633383+143383+1412493(Top 47%)3585(Top 31%)3585(Top 73%)
21M21.00 mi1.00 mi12745-693440-573440-5714096(Top 53%)4541(Top 40%)4541(Top 93%)
35K21.75 mi0.75 mi12853-1083520-803520-8015324(Top 58%)5326(Top 47%)5326(Top 109%)
23M23.00 mi1.25 mi12932-793590-703590-7014212(Top 53%)4742(Top 42%)4742(Top 97%)
24M24.00 mi1.00 mi13001-693649-593649-5914821(Top 56%)5138(Top 45%)5138(Top 105%)
40K24.85 mi0.85 mi12939+623639+103639+1011471(Top 43%)3419(Top 30%)3419(Top 70%)
25.2M25.20 mi0.35 mi12904+353627+123627+1211458(Top 43%)3469(Top 30%)3469(Top 71%)
Finish26.22 mi1.02 mi12886+183634-73634-713025(Top 49%)4240(Top 37%)4240(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11359

Females

2549

F18-39

2549

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9952

Females

1802

F18-39

1802

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11359

Females

2549

F18-39

2549

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

15651

Females

5130

F18-39

5130

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12995

Females

3524

F18-39

3524

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14812

Females

4716

F18-39

4716

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13969

Females

4321

F18-39

4321

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12493

Females

3585

F18-39

3585

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14096

Females

4541

F18-39

4541

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15324

Females

5326

F18-39

5326

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14212

Females

4742

F18-39

4742

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14821

Females

5138

F18-39

5138

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11471

Females

3419

F18-39

3419

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11458

Females

3469

F18-39

3469

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13025

Females

4240

F18-39

4240

Passing Analysis

Category:
Athletes Passed
1242*
Passed By
3704
Net Change
-2462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10424
5K → 10K466*186+280#10424#10144
10K → 15K71464-393#10144#10537
15K → 20K91364-1355#10537#11892
20K → Half867-59#11892#11951
Half → 25K39518-479#11951#12430
25K → 30K102411-309#12430#12739
30K → 20M13471+63#12739#12676
20M → 21M73142-69#12676#12745
21M → 35K25133-108#12745#12853
35K → 23M57136-79#12853#12932
23M → 24M44113-69#12932#13001
24M → 40K9836+62#13001#12939
40K → 25.2M4813+35#12939#12904
25.2M → Finish6850+18#12904#12886
TOTALS1242*3704-2462

* 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