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BOSTON MARATHON 2023

Emily Keig

Bib: 18247•F

MN

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
26:24
Rank: #17558
Start → 5K
26:24 | 8:30/mi
10K· 6.21 mi
52:30
Rank: #17550 (+8)
5K → 10K
26:06 | 8:24/mi
15K· 9.32 mi
1:18:45
Rank: #17517 (+33)
10K → 15K
26:15 | 8:27/mi
20K· 12.43 mi
1:46:42
Rank: #18127 (-610)
15K → 20K
27:57 | 9:00/mi
Half· 13.11 mi
1:52:37
Rank: #18152 (-25)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:14:36
Rank: #18372 (-220)
Half → 25K
21:59 | 9:04/mi
30K· 18.64 mi
2:44:14
Rank: #18651 (-279)
25K → 30K
29:38 | 9:32/mi
20M
2:58:00
Rank: #18870 (-219)
30K → 20M
13:46 | 10:08/mi
21M
3:08:41
Rank: #18987 (-117)
20M → 21M
10:41 | 10:41/mi
35K· 21.75 mi
3:15:37
Rank: #18984 (+3)
21M → 35K
6:56 | 9:16/mi
23M
3:27:57
Rank: #19039 (-55)
35K → 23M
12:20 | 9:51/mi
24M
3:38:12
Rank: #19192 (-153)
23M → 24M
10:15 | 10:15/mi
40K· 24.85 mi
3:47:21
Rank: #19361 (-169)
24M → 40K
9:09 | 10:42/mi
25.2M
3:51:51
Rank: #19516 (-155)
40K → 25.2M
4:30 | 13:03/mi
Finish· 26.22 mi
4:01:18
Rank: #19511 (+5)
25.2M → Finish
9:27 | 9:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:37
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:08:41
Pace9:49 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5026:248:3026:24
8:30
-
10K
6.21 mi11:43:5652:308:2726:06
8:24
-0:06
15K
9.32 mi12:10:111:18:458:2726:15
8:27
+0:03
20K
12.43 mi12:38:081:46:428:3527:57
9:00
+0:33
Half
13.11 mi12:44:031:52:378:355:55
8:40
-0:20
25K
15.53 mi13:06:022:14:368:4021:59
9:04
+0:24
30K
18.64 mi13:35:402:44:148:4929:38
9:32
+0:28
20M
20.00 mi13:49:262:58:008:5413:46
10:08
+0:36
21M
21.00 mi14:00:073:08:418:5910:41
10:41
+0:33
35K
21.75 mi14:07:033:15:379:006:56
9:16
-1:25
23M
23.00 mi14:19:233:27:579:0212:20
9:51
+0:35
24M
24.00 mi14:29:383:38:129:0610:15
10:15
+0:24
40K
24.85 mi14:38:473:47:219:099:09
10:42
+0:27
25.2M
25.20 mi14:43:173:51:519:124:30
13:03
+2:21
Finish
26.22 mi14:52:444:01:189:139:27
9:16
-3:47

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

8:24 /mi

Average Pace

9:13 /mi

Slowest Pace

13:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:40

35% of race

Time at Steady Pace

1:48:17

45% of race

Time at Slower Pace

48:21

20% of race

Average Pace: 9:12 /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 mi11:17:5026:248:3026:24
8:30
#17558
10K
6.21 mi11:43:5652:308:2726:06
8:24
#17550
15K
9.32 mi12:10:111:18:458:2726:15
8:27
#17517
20K
12.43 mi12:38:081:46:428:3527:57
9:00
#18127
Half
13.11 mi12:44:031:52:378:355:55
8:40
#18152
25K
15.53 mi13:06:022:14:368:4021:59
9:04
#18372
30K
18.64 mi13:35:402:44:148:4929:38
9:32
#18651
20M
20.00 mi13:49:262:58:008:5413:46
10:08
#18870
21M
21.00 mi14:00:073:08:418:5910:41
10:41
#18987
35K
21.75 mi14:07:033:15:379:006:56
9:16
#18984
23M
23.00 mi14:19:233:27:579:0212:20
9:51
#19039
24M
24.00 mi14:29:383:38:129:0610:15
10:15
#19192
40K
24.85 mi14:38:473:47:219:099:09
10:42
#19361
25.2M
25.20 mi14:43:173:51:519:124:30
13:03
#19516
Finish
26.22 mi14:52:444:01:189:139:27
9:16
#19511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi175586293629317477(Top 66%)6201(Top 54%)6201(Top 127%)
10K6.21 mi3.10 mi17550+86256+376256+3717603(Top 66%)6247(Top 55%)6247(Top 128%)
15K9.32 mi3.11 mi17517+336225+316225+3117477(Top 66%)6201(Top 54%)6201(Top 127%)
20K12.43 mi3.11 mi18127-6106589-3646589-36419691(Top 74%)7492(Top 66%)7492(Top 153%)
Half13.11 mi0.68 mi18152-256603-146603-1418840(Top 71%)6997(Top 61%)6997(Top 143%)
25K15.53 mi2.42 mi18372-2206749-1466749-14619283(Top 72%)7299(Top 64%)7299(Top 149%)
30K18.64 mi3.11 mi18651-2796945-1966945-19619582(Top 74%)7523(Top 66%)7523(Top 154%)
20M20.00 mi1.36 mi18870-2197084-1397084-13920827(Top 78%)8314(Top 73%)8314(Top 170%)
21M21.00 mi1.00 mi18987-1177159-757159-7520115(Top 76%)7987(Top 70%)7987(Top 164%)
35K21.75 mi0.75 mi18984+37168-97168-919048(Top 72%)7418(Top 65%)7418(Top 152%)
23M23.00 mi1.25 mi19039-557206-387206-3819575(Top 74%)7727(Top 68%)7727(Top 158%)
24M24.00 mi1.00 mi19192-1537300-947300-9421448(Top 81%)8816(Top 77%)8816(Top 181%)
40K24.85 mi0.85 mi19361-1697406-1067406-10621711(Top 82%)8991(Top 79%)8991(Top 184%)
25.2M25.20 mi0.35 mi19516-1557504-987504-9824030(Top 90%)10195(Top 89%)10195(Top 209%)
Finish26.22 mi1.02 mi19511+57510-67510-619272(Top 72%)7597(Top 67%)7597(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17477

Females

6201

F18-39

6201

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17603

Females

6247

F18-39

6247

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17477

Females

6201

F18-39

6201

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19691

Females

7492

F18-39

7492

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18840

Females

6997

F18-39

6997

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19283

Females

7299

F18-39

7299

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19582

Females

7523

F18-39

7523

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

20827

Females

8314

F18-39

8314

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20115

Females

7987

F18-39

7987

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19048

Females

7418

F18-39

7418

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19575

Females

7727

F18-39

7727

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21448

Females

8816

F18-39

8816

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21711

Females

8991

F18-39

8991

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24030

Females

10195

F18-39

10195

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19272

Females

7597

F18-39

7597

Passing Analysis

Category:
Athletes Passed
1047
Passed By
3000
Net Change
-1953
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17558
5K → 10K311303+8#17558#17550
10K → 15K209176+33#17550#17517
15K → 20K60670-610#17517#18127
20K → Half1742-25#18127#18152
Half → 25K65285-220#18152#18372
25K → 30K103382-279#18372#18651
30K → 20M37256-219#18651#18870
20M → 21M42159-117#18870#18987
21M → 35K4643+3#18987#18984
35K → 23M62117-55#18984#19039
23M → 24M26179-153#19039#19192
24M → 40K18187-169#19192#19361
40K → 25.2M1156-155#19361#19516
25.2M → Finish5045+5#19516#19511
TOTALS10473000-1953
📊

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