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BOSTON MARATHON 2023

Kylie Shalala

Bib: 17128•F

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
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
24:20
Rank: #12689
Start → 5K
24:20 | 7:50/mi
10K· 6.21 mi
48:24
Rank: #12602 (+87)
5K → 10K
24:04 | 7:45/mi
15K· 9.32 mi
1:12:36
Rank: #12581 (+21)
10K → 15K
24:12 | 7:47/mi
20K· 12.43 mi
1:37:08
Rank: #12540 (+41)
15K → 20K
24:32 | 7:54/mi
Half· 13.11 mi
1:42:32
Rank: #12588 (-48)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:02:53
Rank: #13145 (-557)
Half → 25K
20:21 | 8:24/mi
30K· 18.64 mi
2:28:40
Rank: #13100 (+45)
25K → 30K
25:47 | 8:18/mi
20M
2:41:37
Rank: #13674 (-574)
30K → 20M
12:57 | 9:32/mi
21M
2:50:38
Rank: #13653 (+21)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:56:43
Rank: #13618 (+35)
21M → 35K
6:05 | 8:08/mi
23M
3:07:10
Rank: #13505 (+113)
35K → 23M
10:27 | 8:21/mi
24M
3:15:17
Rank: #13398 (+107)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:22:13
Rank: #13272 (+126)
24M → 40K
6:56 | 8:07/mi
25.2M
3:25:12
Rank: #13202 (+70)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:33:10
Rank: #13105 (+97)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:32
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:50:38
Pace8:26 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1224:207:5024:20
7:50
-
10K
6.21 mi11:39:1648:247:4724:04
7:45
-0:05
15K
9.32 mi12:03:281:12:367:4724:12
7:47
+0:02
20K
12.43 mi12:28:001:37:087:4924:32
7:54
+0:07
Half
13.11 mi12:33:241:42:327:495:24
7:55
+0:01
25K
15.53 mi12:53:452:02:537:5520:21
8:24
+0:29
30K
18.64 mi13:19:322:28:407:5925:47
8:18
-0:06
20M
20.00 mi13:32:292:41:378:0512:57
9:32
+1:14
21M
21.00 mi13:41:302:50:388:089:01
9:01
-0:31
35K
21.75 mi13:47:352:56:438:086:05
8:08
-0:53
23M
23.00 mi13:58:023:07:108:0810:27
8:21
+0:13
24M
24.00 mi14:06:093:15:178:088:07
8:07
-0:14
40K
24.85 mi14:13:053:22:138:086:56
8:07
0:00
25.2M
25.20 mi14:16:043:25:128:092:59
8:39
+0:32
Finish
26.22 mi14:24:023:33:108:087:58
7:49
-0:50

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

7:45 /mi

Average Pace

8:08 /mi

Slowest Pace

9:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:34

38% of race

Time at Steady Pace

1:27:18

41% of race

Time at Slower Pace

45:18

21% of race

Average Pace: 8:08 /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 mi11:15:1224:207:5024:20
7:50
#12689
10K
6.21 mi11:39:1648:247:4724:04
7:45
#12602
15K
9.32 mi12:03:281:12:367:4724:12
7:47
#12581
20K
12.43 mi12:28:001:37:087:4924:32
7:54
#12540
Half
13.11 mi12:33:241:42:327:495:24
7:55
#12588
25K
15.53 mi12:53:452:02:537:5520:21
8:24
#13145
30K
18.64 mi13:19:322:28:407:5925:47
8:18
#13100
20M
20.00 mi13:32:292:41:378:0512:57
9:32
#13674
21M
21.00 mi13:41:302:50:388:089:01
9:01
#13653
35K
21.75 mi13:47:352:56:438:086:05
8:08
#13618
23M
23.00 mi13:58:023:07:108:0810:27
8:21
#13505
24M
24.00 mi14:06:093:15:178:088:07
8:07
#13398
40K
24.85 mi14:13:053:22:138:086:56
8:07
#13272
25.2M
25.20 mi14:16:043:25:128:092:59
8:39
#13202
Finish
26.22 mi14:24:023:33:108:087:58
7:49
#13105
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126893276327612662(Top 48%)3273(Top 29%)3273(Top 67%)
10K6.21 mi3.10 mi12602+873213+633213+6312662(Top 48%)3238(Top 28%)3238(Top 66%)
15K9.32 mi3.11 mi12581+213220-73220-712662(Top 48%)3273(Top 29%)3273(Top 67%)
20K12.43 mi3.11 mi12540+413222-23222-212611(Top 47%)3328(Top 29%)3328(Top 68%)
Half13.11 mi0.68 mi12588-483257-353257-3513739(Top 52%)3926(Top 34%)3926(Top 80%)
25K15.53 mi2.42 mi13145-5573579-3223579-32215537(Top 58%)5156(Top 45%)5156(Top 106%)
30K18.64 mi3.11 mi13100+453613-343613-3413031(Top 49%)3778(Top 33%)3778(Top 77%)
20M20.00 mi1.36 mi13674-5743964-3513964-35118973(Top 71%)7279(Top 64%)7279(Top 149%)
21M21.00 mi1.00 mi13653+213965-13965-113527(Top 51%)4222(Top 37%)4222(Top 86%)
35K21.75 mi0.75 mi13618+353954+113954+1113029(Top 49%)4015(Top 35%)4015(Top 82%)
23M23.00 mi1.25 mi13505+1133918+363918+3612243(Top 46%)3654(Top 32%)3654(Top 75%)
24M24.00 mi1.00 mi13398+1073869+493869+4912074(Top 45%)3631(Top 32%)3631(Top 74%)
40K24.85 mi0.85 mi13272+1263821+483821+4810810(Top 41%)3058(Top 27%)3058(Top 63%)
25.2M25.20 mi0.35 mi13202+703799+223799+2210550(Top 40%)2976(Top 26%)2976(Top 61%)
Finish26.22 mi1.02 mi13105+973761+383761+3810844(Top 41%)3118(Top 27%)3118(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12662

Females

3273

F18-39

3273

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12662

Females

3238

F18-39

3238

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12662

Females

3273

F18-39

3273

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12611

Females

3328

F18-39

3328

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13739

Females

3926

F18-39

3926

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15537

Females

5156

F18-39

5156

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13031

Females

3778

F18-39

3778

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18973

Females

7279

F18-39

7279

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13527

Females

4222

F18-39

4222

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13029

Females

4015

F18-39

4015

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12243

Females

3654

F18-39

3654

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12074

Females

3631

F18-39

3631

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10810

Females

3058

F18-39

3058

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10550

Females

2976

F18-39

2976

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10844

Females

3118

F18-39

3118

Passing Analysis

Category:
Athletes Passed
1800
Passed By
2216
Net Change
-416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12689
5K → 10K344257+87#12689#12602
10K → 15K204183+21#12602#12581
15K → 20K201160+41#12581#12540
20K → Half1765-48#12540#12588
Half → 25K38595-557#12588#13145
25K → 30K213168+45#13145#13100
30K → 20M14588-574#13100#13674
20M → 21M9877+21#13674#13653
21M → 35K7035+35#13653#13618
35K → 23M14532+113#13618#13505
23M → 24M12922+107#13505#13398
24M → 40K13610+126#13398#13272
40K → 25.2M766+70#13272#13202
25.2M → Finish11518+97#13202#13105
TOTALS18002216-416
📊

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