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BOSTON MARATHON 2023

Kori Anderson

Bib: 14559•F

NS

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
25:07
Rank: #14611
Start → 5K
8:05/mi
25:07 split
10K· 6.21 mi
50:44
Rank: #15593 (-982)
5K → 10K
8:15/mi
25:37 split
15K· 9.32 mi
1:19:11
Rank: #17837 (-2244)
10K → 15K
9:09/mi
28:27 split
20K· 12.43 mi
1:50:05
Rank: #19627 (-1790)
15K → 20K
9:57/mi
30:54 split
Half· 13.11 mi
1:56:33
Rank: #19811 (-184)
20K → Half
9:29/mi
6:28 split
25K· 15.53 mi
2:20:40
Rank: #20382 (-571)
Half → 25K
9:57/mi
24:07 split
30K· 18.64 mi
2:56:28
Rank: #21376 (-994)
25K → 30K
11:31/mi
35:48 split
20M
3:15:01
Rank: #22031 (-655)
30K → 20M
13:39/mi
18:33 split
21M
3:29:54
Rank: #22406 (-375)
20M → 21M
14:53/mi
14:53 split
35K· 21.75 mi
3:37:38
Rank: #22396 (+10)
21M → 35K
10:20/mi
7:44 split
23M
3:50:43
Rank: #22316 (+80)
35K → 23M
10:27/mi
13:05 split
24M
4:01:16
Rank: #22319 (-3)
23M → 24M
10:33/mi
10:33 split
40K· 24.85 mi
4:09:36
Rank: #22218 (+101)
24M → 40K
9:45/mi
8:20 split
25.2M
4:13:40
Rank: #22222 (-4)
40K → 25.2M
11:48/mi
4:04 split
Finish· 26.22 mi
4:24:40
Rank: #22282 (-60)
25.2M → Finish
10:48/mi
11:00 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:33
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:28:07
Pace11:18 /mi
📊Positive Split: 27.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1625:078:0525:07
8:05
-
10K
6.21 mi11:19:5350:448:1025:37
8:15
+0:10
15K
9.32 mi11:48:201:19:118:3028:27
9:09
+0:54
20K
12.43 mi12:19:141:50:058:5130:54
9:57
+0:48
Half
13.11 mi12:25:421:56:338:536:28
9:29
-0:28
25K
15.53 mi12:49:492:20:409:0324:07
9:57
+0:28
30K
18.64 mi13:25:372:56:289:2835:48
11:31
+1:34
20M
20.00 mi13:44:103:15:019:4518:33
13:39
+2:08
21M
21.00 mi13:59:033:29:5410:0014:53
14:53
+1:14
35K
21.75 mi14:06:473:37:3810:007:44
10:20
-4:33
23M
23.00 mi14:19:523:50:4310:0213:05
10:27
+0:07
24M
24.00 mi14:30:254:01:1610:0310:33
10:33
+0:06
40K
24.85 mi14:38:454:09:3610:038:20
9:45
-0:48
25.2M
25.20 mi14:42:494:13:4010:044:04
11:48
+2:03
Finish
26.22 mi14:53:494:24:4010:0611:00
10:48
-1:00

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

8:05 /mi

Average Pace

10:06 /mi

Slowest Pace

14:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:11

30% of race

Time at Steady Pace

1:52:11

42% of race

Time at Slower Pace

1:13:18

28% of race

Average Pace: 10:06 /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 mi10:54:1625:078:0525:07
8:05
#14611
10K
6.21 mi11:19:5350:448:1025:37
8:15
#15593
15K
9.32 mi11:48:201:19:118:3028:27
9:09
#17837
20K
12.43 mi12:19:141:50:058:5130:54
9:57
#19627
Half
13.11 mi12:25:421:56:338:536:28
9:29
#19811
25K
15.53 mi12:49:492:20:409:0324:07
9:57
#20382
30K
18.64 mi13:25:372:56:289:2835:48
11:31
#21376
20M
20.00 mi13:44:103:15:019:4518:33
13:39
#22031
21M
21.00 mi13:59:033:29:5410:0014:53
14:53
#22406
35K
21.75 mi14:06:473:37:3810:007:44
10:20
#22396
23M
23.00 mi14:19:523:50:4310:0213:05
10:27
#22316
24M
24.00 mi14:30:254:01:1610:0310:33
10:33
#22319
40K
24.85 mi14:38:454:09:3610:038:20
9:45
#22218
25.2M
25.20 mi14:42:494:13:4010:044:04
11:48
#22222
Finish
26.22 mi14:53:494:24:4010:0611:00
10:48
#22282
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146114402440221163(Top 79%)8321(Top 73%)8321(Top 170%)
10K6.21 mi3.10 mi15593-9825028-6265028-62616573(Top 62%)5626(Top 49%)5626(Top 115%)
15K9.32 mi3.11 mi17837-22446427-13996427-139921163(Top 79%)8321(Top 73%)8321(Top 170%)
20K12.43 mi3.11 mi19627-17907501-10747501-107422773(Top 86%)9231(Top 81%)9231(Top 189%)
Half13.11 mi0.68 mi19811-1847606-1057606-10522081(Top 83%)8830(Top 77%)8830(Top 181%)
25K15.53 mi2.42 mi20382-5717924-3187924-31822106(Top 83%)8895(Top 78%)8895(Top 182%)
30K18.64 mi3.11 mi21376-9948490-5668490-56623901(Top 90%)9961(Top 87%)9961(Top 204%)
20M20.00 mi1.36 mi22031-6558866-3768866-37625637(Top 96%)10925(Top 96%)10925(Top 224%)
21M21.00 mi1.00 mi22406-3759091-2259091-22525662(Top 96%)10930(Top 96%)10930(Top 224%)
35K21.75 mi0.75 mi22396+109087+49087+422090(Top 83%)9103(Top 80%)9103(Top 186%)
23M23.00 mi1.25 mi22316+809053+349053+3421204(Top 80%)8631(Top 76%)8631(Top 177%)
24M24.00 mi1.00 mi22319-39059-69059-622143(Top 83%)9182(Top 80%)9182(Top 188%)
40K24.85 mi0.85 mi22218+1019009+509009+5019228(Top 72%)7627(Top 67%)7627(Top 156%)
25.2M25.20 mi0.35 mi22222-49010-19010-122152(Top 83%)9211(Top 81%)9211(Top 189%)
Finish26.22 mi1.02 mi22282-609056-469056-4623602(Top 89%)9956(Top 87%)9956(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

21163

Females

8321

F18-39

8321

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16573

Females

5626

F18-39

5626

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

21163

Females

8321

F18-39

8321

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22773

Females

9231

F18-39

9231

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22081

Females

8830

F18-39

8830

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22106

Females

8895

F18-39

8895

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23901

Females

9961

F18-39

9961

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

25637

Females

10925

F18-39

10925

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25662

Females

10930

F18-39

10930

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22090

Females

9103

F18-39

9103

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21204

Females

8631

F18-39

8631

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22143

Females

9182

F18-39

9182

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19228

Females

7627

F18-39

7627

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22152

Females

9211

F18-39

9211

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23602

Females

9956

F18-39

9956

Passing Analysis

Category:
Athletes Passed
412
Passed By
8083
Net Change
-7671
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14611
5K → 10K541036-982#14611#15593
10K → 15K42248-2244#15593#17837
15K → 20K91799-1790#17837#19627
20K → Half5189-184#19627#19811
Half → 25K25596-571#19811#20382
25K → 30K121006-994#20382#21376
30K → 20M6661-655#21376#22031
20M → 21M5380-375#22031#22406
21M → 35K3525+10#22406#22396
35K → 23M9313+80#22396#22316
23M → 24M3437-3#22316#22319
24M → 40K1032+101#22319#22218
40K → 25.2M1721-4#22218#22222
25.2M → Finish1070-60#22222#22282
TOTALS4128083-7671
📊

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