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BOSTON MARATHON 2023

Jenna Chandler

Bib: 10607•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:30
Rank: #5743
Start → 5K
21:30 | 6:55/mi
10K· 6.21 mi
42:49
Rank: #5754 (-11)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:04:19
Rank: #5852 (-98)
10K → 15K
21:30 | 6:55/mi
20K· 12.43 mi
1:26:00
Rank: #5833 (+19)
15K → 20K
21:41 | 6:59/mi
Half· 13.11 mi
1:30:46
Rank: #5882 (-49)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:10
Rank: #5995 (-113)
Half → 25K
17:24 | 7:11/mi
30K· 18.64 mi
2:11:57
Rank: #6288 (-293)
25K → 30K
23:47 | 7:39/mi
20M
2:22:36
Rank: #6413 (-125)
30K → 20M
10:39 | 7:50/mi
21M
2:30:52
Rank: #6485 (-72)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:36:48
Rank: #6617 (-132)
21M → 35K
5:56 | 7:56/mi
23M
2:47:15
Rank: #6821 (-204)
35K → 23M
10:27 | 8:21/mi
24M
2:55:42
Rank: #7093 (-272)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:03:07
Rank: #7316 (-223)
24M → 40K
7:25 | 8:40/mi
25.2M
3:06:21
Rank: #7432 (-116)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:14:56
Rank: #7710 (-278)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:46
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:44:10
Pace7:57 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2821:306:5521:30
6:55
-
10K
6.21 mi11:08:4742:496:5321:19
6:52
-0:03
15K
9.32 mi11:30:171:04:196:5421:30
6:55
+0:03
20K
12.43 mi11:51:581:26:006:5521:41
6:59
+0:04
Half
13.11 mi11:56:441:30:466:554:46
6:59
0:00
25K
15.53 mi12:14:081:48:106:5817:24
7:11
+0:12
30K
18.64 mi12:37:552:11:577:0523:47
7:39
+0:28
20M
20.00 mi12:48:342:22:367:0810:39
7:50
+0:11
21M
21.00 mi12:56:502:30:527:118:16
8:16
+0:26
35K
21.75 mi13:02:462:36:487:135:56
7:56
-0:20
23M
23.00 mi13:13:132:47:157:1610:27
8:21
+0:25
24M
24.00 mi13:21:402:55:427:198:27
8:27
+0:06
40K
24.85 mi13:29:053:03:077:227:25
8:40
+0:13
25.2M
25.20 mi13:32:193:06:217:243:14
9:23
+0:43
Finish
26.22 mi13:40:543:14:567:268:35
8:25
-0:58

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

6:52 /mi

Average Pace

7:26 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:10

55% of race

Time at Steady Pace

40:22

21% of race

Time at Slower Pace

46:24

24% of race

Average Pace: 7:26 /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 mi10:47:2821:306:5521:30
6:55
#5743
10K
6.21 mi11:08:4742:496:5321:19
6:52
#5754
15K
9.32 mi11:30:171:04:196:5421:30
6:55
#5852
20K
12.43 mi11:51:581:26:006:5521:41
6:59
#5833
Half
13.11 mi11:56:441:30:466:554:46
6:59
#5882
25K
15.53 mi12:14:081:48:106:5817:24
7:11
#5995
30K
18.64 mi12:37:552:11:577:0523:47
7:39
#6288
20M
20.00 mi12:48:342:22:367:0810:39
7:50
#6413
21M
21.00 mi12:56:502:30:527:118:16
8:16
#6485
35K
21.75 mi13:02:462:36:487:135:56
7:56
#6617
23M
23.00 mi13:13:132:47:157:1610:27
8:21
#6821
24M
24.00 mi13:21:402:55:427:198:27
8:27
#7093
40K
24.85 mi13:29:053:03:077:227:25
8:40
#7316
25.2M
25.20 mi13:32:193:06:217:243:14
9:23
#7432
Finish
26.22 mi13:40:543:14:567:268:35
8:25
#7710
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi57434644646094(Top 23%)558(Top 5%)558(Top 11%)
10K6.21 mi3.10 mi5754-11462+2462+25862(Top 22%)507(Top 4%)507(Top 10%)
15K9.32 mi3.11 mi5852-98482-20482-206094(Top 23%)558(Top 5%)558(Top 11%)
20K12.43 mi3.11 mi5833+19473+9473+95875(Top 22%)498(Top 4%)498(Top 10%)
Half13.11 mi0.68 mi5882-49489-16489-166533(Top 25%)652(Top 6%)652(Top 13%)
25K15.53 mi2.42 mi5995-113511-22511-226563(Top 25%)722(Top 6%)722(Top 15%)
30K18.64 mi3.11 mi6288-293607-96607-968348(Top 31%)1449(Top 13%)1449(Top 30%)
20M20.00 mi1.36 mi6413-125641-34641-349181(Top 34%)1884(Top 16%)1884(Top 39%)
21M21.00 mi1.00 mi6485-72678-37678-379076(Top 34%)1971(Top 17%)1971(Top 40%)
35K21.75 mi0.75 mi6617-132722-44722-4411701(Top 44%)3279(Top 29%)3279(Top 67%)
23M23.00 mi1.25 mi6821-204781-59781-5912267(Top 46%)3678(Top 32%)3678(Top 75%)
24M24.00 mi1.00 mi7093-272889-108889-10814229(Top 53%)4815(Top 42%)4815(Top 99%)
40K24.85 mi0.85 mi7316-223982-93982-9314425(Top 54%)4994(Top 44%)4994(Top 102%)
25.2M25.20 mi0.35 mi7432-1161040-581040-5814711(Top 55%)5172(Top 45%)5172(Top 106%)
Finish26.22 mi1.02 mi7710-2781150-1101150-11014940(Top 56%)5239(Top 46%)5239(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6094

Females

558

F18-39

558

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5862

Females

507

F18-39

507

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6094

Females

558

F18-39

558

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5875

Females

498

F18-39

498

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6533

Females

652

F18-39

652

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6563

Females

722

F18-39

722

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8348

Females

1449

F18-39

1449

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9181

Females

1884

F18-39

1884

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9076

Females

1971

F18-39

1971

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11701

Females

3279

F18-39

3279

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12267

Females

3678

F18-39

3678

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14229

Females

4815

F18-39

4815

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14425

Females

4994

F18-39

4994

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14711

Females

5172

F18-39

5172

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14940

Females

5239

F18-39

5239

Passing Analysis

Category:
Athletes Passed
640
Passed By
2607
Net Change
-1967
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5743
5K → 10K192203-11#5743#5754
10K → 15K77175-98#5754#5852
15K → 20K11495+19#5852#5833
20K → Half857-49#5833#5882
Half → 25K41154-113#5882#5995
25K → 30K57350-293#5995#6288
30K → 20M25150-125#6288#6413
20M → 21M41113-72#6413#6485
21M → 35K15147-132#6485#6617
35K → 23M25229-204#6617#6821
23M → 24M13285-272#6821#7093
24M → 40K12235-223#7093#7316
40K → 25.2M4120-116#7316#7432
25.2M → Finish16294-278#7432#7710
TOTALS6402607-1967
📊

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