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BOSTON MARATHON 2023

Kiersten Brady

Bib: 25293•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:53
Rank: #20332
Start → 5K
27:53 | 8:58/mi
10K· 6.21 mi
53:43
Rank: #18771 (+1561)
5K → 10K
25:50 | 8:19/mi
15K· 9.32 mi
1:19:18
Rank: #17898 (+873)
10K → 15K
25:35 | 8:14/mi
20K· 12.43 mi
1:44:59
Rank: #17235 (+663)
15K → 20K
25:41 | 8:16/mi
Half· 13.11 mi
1:50:33
Rank: #17156 (+79)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:11:12
Rank: #17015 (+141)
Half → 25K
20:39 | 8:31/mi
30K· 18.64 mi
2:38:27
Rank: #16776 (+239)
25K → 30K
27:15 | 8:46/mi
20M
2:50:23
Rank: #16659 (+117)
30K → 20M
11:56 | 8:47/mi
21M
2:59:34
Rank: #16497 (+162)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
3:06:01
Rank: #16464 (+33)
21M → 35K
6:27 | 8:37/mi
23M
3:17:04
Rank: #16373 (+91)
35K → 23M
11:03 | 8:50/mi
24M
3:25:32
Rank: #16266 (+107)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:32:55
Rank: #16174 (+92)
24M → 40K
7:23 | 8:38/mi
25.2M
3:35:58
Rank: #16104 (+70)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:44:03
Rank: #15938 (+166)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:33
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:53:30
Pace8:39 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5827:538:5827:53
8:58
-
10K
6.21 mi12:13:4853:438:3925:50
8:19
-0:39
15K
9.32 mi12:39:231:19:188:3025:35
8:14
-0:05
20K
12.43 mi13:05:041:44:598:2725:41
8:16
+0:02
Half
13.11 mi13:10:381:50:338:265:34
8:10
-0:06
25K
15.53 mi13:31:172:11:128:2720:39
8:31
+0:21
30K
18.64 mi13:58:322:38:278:3027:15
8:46
+0:15
20M
20.00 mi14:10:282:50:238:3111:56
8:47
+0:01
21M
21.00 mi14:19:392:59:348:339:11
9:11
+0:24
35K
21.75 mi14:26:063:06:018:336:27
8:37
-0:34
23M
23.00 mi14:37:093:17:048:3411:03
8:50
+0:13
24M
24.00 mi14:45:373:25:328:348:28
8:28
-0:22
40K
24.85 mi14:53:003:32:558:347:23
8:38
+0:10
25.2M
25.20 mi14:56:033:35:588:343:03
8:51
+0:13
Finish
26.22 mi15:04:083:44:038:338:05
7:56
-0:55

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

7:56 /mi

Average Pace

8:33 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:42

60% of race

Time at Steady Pace

1:30:21

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:33 /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 mi11:47:5827:538:5827:53
8:58
#20332
10K
6.21 mi12:13:4853:438:3925:50
8:19
#18771
15K
9.32 mi12:39:231:19:188:3025:35
8:14
#17898
20K
12.43 mi13:05:041:44:598:2725:41
8:16
#17235
Half
13.11 mi13:10:381:50:338:265:34
8:10
#17156
25K
15.53 mi13:31:172:11:128:2720:39
8:31
#17015
30K
18.64 mi13:58:322:38:278:3027:15
8:46
#16776
20M
20.00 mi14:10:282:50:238:3111:56
8:47
#16659
21M
21.00 mi14:19:392:59:348:339:11
9:11
#16497
35K
21.75 mi14:26:063:06:018:336:27
8:37
#16464
23M
23.00 mi14:37:093:17:048:3411:03
8:50
#16373
24M
24.00 mi14:45:373:25:328:348:28
8:28
#16266
40K
24.85 mi14:53:003:32:558:347:23
8:38
#16174
25.2M
25.20 mi14:56:033:35:588:343:03
8:51
#16104
Finish
26.22 mi15:04:083:44:038:338:05
7:56
#15938
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi203328011801116116(Top 61%)5362(Top 47%)5362(Top 110%)
10K6.21 mi3.10 mi18771+15616990+10216990+102117038(Top 64%)5893(Top 52%)5893(Top 121%)
15K9.32 mi3.11 mi17898+8736460+5306460+53016116(Top 61%)5362(Top 47%)5362(Top 110%)
20K12.43 mi3.11 mi17235+6636069+3916069+39115413(Top 58%)4977(Top 44%)4977(Top 102%)
Half13.11 mi0.68 mi17156+796018+516018+5115569(Top 58%)5041(Top 44%)5041(Top 103%)
25K15.53 mi2.42 mi17015+1415955+635955+6316312(Top 61%)5619(Top 49%)5619(Top 115%)
30K18.64 mi3.11 mi16776+2395836+1195836+11915890(Top 60%)5436(Top 48%)5436(Top 111%)
20M20.00 mi1.36 mi16659+1175788+485788+4815339(Top 58%)5188(Top 45%)5188(Top 106%)
21M21.00 mi1.00 mi16497+1625706+825706+8214424(Top 54%)4729(Top 41%)4729(Top 97%)
35K21.75 mi0.75 mi16464+335693+135693+1315999(Top 60%)5689(Top 50%)5689(Top 116%)
23M23.00 mi1.25 mi16373+915657+365657+3615147(Top 57%)5264(Top 46%)5264(Top 108%)
24M24.00 mi1.00 mi16266+1075611+465611+4614319(Top 54%)4860(Top 43%)4860(Top 100%)
40K24.85 mi0.85 mi16174+925575+365575+3614200(Top 53%)4862(Top 43%)4862(Top 100%)
25.2M25.20 mi0.35 mi16104+705532+435532+4311726(Top 44%)3622(Top 32%)3622(Top 74%)
Finish26.22 mi1.02 mi15938+1665454+785454+7811672(Top 44%)3543(Top 31%)3543(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16116

Females

5362

F18-39

5362

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17038

Females

5893

F18-39

5893

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16116

Females

5362

F18-39

5362

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15413

Females

4977

F18-39

4977

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15569

Females

5041

F18-39

5041

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16312

Females

5619

F18-39

5619

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

15890

Females

5436

F18-39

5436

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15339

Females

5188

F18-39

5188

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14424

Females

4729

F18-39

4729

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15999

Females

5689

F18-39

5689

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15147

Females

5264

F18-39

5264

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14319

Females

4860

F18-39

4860

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14200

Females

4862

F18-39

4862

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11726

Females

3622

F18-39

3622

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11672

Females

3543

F18-39

3543

Passing Analysis

Category:
Athletes Passed
4723
Passed By
329
Net Change
+4394
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20332
5K → 10K159332+1561#20332#18771
10K → 15K88613+873#18771#17898
15K → 20K6729+663#17898#17235
20K → Half834+79#17235#17156
Half → 25K19655+141#17156#17015
25K → 30K28950+239#17015#16776
30K → 20M14427+117#16776#16659
20M → 21M18220+162#16659#16497
21M → 35K6229+33#16497#16464
35K → 23M12635+91#16464#16373
23M → 24M12922+107#16373#16266
24M → 40K11321+92#16266#16174
40K → 25.2M711+70#16174#16104
25.2M → Finish17711+166#16104#15938
TOTALS4723329+4394
📊

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