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BOSTON MARATHON 2023

Kira King

Bib: 19592•F

WI

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:22/mi
26:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:22/mi
52:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:17:32
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:44:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:49:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:10:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:39:04
↑ 181↓ 1480.2%
20M
9:16/mi
2:51:40
↑ 64↓ 500.2%
21M
9:43/mi
3:01:23
↑ 106↓ 241.6%
35K· 21.75 mi
8:43/mi
3:07:54
↑ 17↓ 861.7%
23M
9:06/mi
3:19:18
↑ 23↓ 630.6%
24M
9:09/mi
3:28:27
↓ 821.3%
40K· 24.85 mi
9:30/mi
3:36:34
↓ 200.3%
25.2M
10:00/mi
3:40:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:49:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:45
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:59:15
Pace9:06 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0826:018:2226:01
8:22
-
10K
6.21 mi11:44:0952:028:2226:01
8:22
0:00
15K
9.32 mi12:09:391:17:328:1925:30
8:12
-0:10
20K
12.43 mi12:36:141:44:078:2326:35
8:33
+0:21
Half
13.11 mi12:41:521:49:458:225:38
8:15
-0:18
25K
15.53 mi13:02:422:10:358:2420:50
8:36
+0:21
30K
18.64 mi13:31:112:39:048:3228:29
9:10
+0:34
20M
20.00 mi13:43:472:51:408:3512:36
9:16
+0:06
21M
21.00 mi13:53:303:01:238:389:43
9:43
+0:27
35K
21.75 mi14:00:013:07:548:386:31
8:43
-1:00
23M
23.00 mi14:11:253:19:188:4011:24
9:06
+0:23
24M
24.00 mi14:20:343:28:278:419:09
9:09
+0:03
40K
24.85 mi14:28:413:36:348:438:07
9:30
+0:21
25.2M
25.20 mi14:32:083:40:018:443:27
10:00
+0:30
Finish
26.22 mi14:41:073:49:008:448:59
8:49
-1:11

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

8:12 /mi

Average Pace

8:44 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:10

36% of race

Time at Steady Pace

1:02:55

27% of race

Time at Slower Pace

1:22:55

36% of race

Average Pace: 8:44 /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 mi11:18:0826:018:2226:01
8:22
#16699
10K
6.21 mi11:44:0952:028:2226:01
8:22
#17026
15K
9.32 mi12:09:391:17:328:1925:30
8:12
#16650
20K
12.43 mi12:36:141:44:078:2326:35
8:33
#16787
Half
13.11 mi12:41:521:49:458:225:38
8:15
#16778
25K
15.53 mi13:02:422:10:358:2420:50
8:36
#16783
30K
18.64 mi13:31:112:39:048:3228:29
9:10
#16968
20M
20.00 mi13:43:472:51:408:3512:36
9:16
#17024
21M
21.00 mi13:53:303:01:238:389:43
9:43
#17009
35K
21.75 mi14:00:013:07:548:386:31
8:43
#16996
23M
23.00 mi14:11:253:19:188:4011:24
9:06
#16965
24M
24.00 mi14:20:343:28:278:419:09
9:09
#17010
40K
24.85 mi14:28:413:36:348:438:07
9:30
#17076
25.2M
25.20 mi14:32:083:40:018:443:27
10:00
#17091
Finish
26.22 mi14:41:073:49:008:448:59
8:49
#17108
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi166995731573115928(Top 60%)5254(Top 46%)5254(Top 108%)
10K6.21 mi3.10 mi17026-3275934-2035934-20317415(Top 65%)6135(Top 54%)6135(Top 126%)
15K9.32 mi3.11 mi16650+3765696+2385696+23815928(Top 60%)5254(Top 46%)5254(Top 108%)
20K12.43 mi3.11 mi16787-1375796-1005796-10017221(Top 65%)6061(Top 53%)6061(Top 124%)
Half13.11 mi0.68 mi16778+95787+95787+916279(Top 61%)5480(Top 48%)5480(Top 112%)
25K15.53 mi2.42 mi16783-55824-375824-3716789(Top 63%)5889(Top 52%)5889(Top 121%)
30K18.64 mi3.11 mi16968-1855944-1205944-12018022(Top 68%)6662(Top 58%)6662(Top 136%)
20M20.00 mi1.36 mi17024-565985-415985-4117893(Top 67%)6684(Top 59%)6684(Top 137%)
21M21.00 mi1.00 mi17009+155995-105995-1016932(Top 64%)6148(Top 54%)6148(Top 126%)
35K21.75 mi0.75 mi16996+135992+35992+316498(Top 62%)5997(Top 52%)5997(Top 123%)
23M23.00 mi1.25 mi16965+316003-116003-1116582(Top 62%)6071(Top 53%)6071(Top 124%)
24M24.00 mi1.00 mi17010-456052-496052-4917869(Top 67%)6838(Top 60%)6838(Top 140%)
40K24.85 mi0.85 mi17076-666105-536105-5318313(Top 69%)7105(Top 62%)7105(Top 145%)
25.2M25.20 mi0.35 mi17091-156116-116116-1117427(Top 65%)6660(Top 58%)6660(Top 136%)
Finish26.22 mi1.02 mi17108-176134-186134-1817133(Top 64%)6448(Top 56%)6448(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15928

Females

5254

F18-39

5254

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17415

Females

6135

F18-39

6135

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15928

Females

5254

F18-39

5254

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17221

Females

6061

F18-39

6061

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16279

Females

5480

F18-39

5480

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16789

Females

5889

F18-39

5889

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18022

Females

6662

F18-39

6662

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17893

Females

6684

F18-39

6684

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16932

Females

6148

F18-39

6148

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16498

Females

5997

F18-39

5997

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16582

Females

6071

F18-39

6071

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17869

Females

6838

F18-39

6838

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18313

Females

7105

F18-39

7105

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17427

Females

6660

F18-39

6660

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17133

Females

6448

F18-39

6448

Passing Analysis

Category:
Athletes Passed
1485
Passed By
1894
Net Change
-409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16699
5K → 10K175502-327#16699#17026
10K → 15K45276+376#17026#16650
15K → 20K127264-137#16650#16787
20K → Half2819+9#16787#16778
Half → 25K125130-5#16778#16783
25K → 30K120305-185#16783#16968
30K → 20M60116-56#16968#17024
20M → 21M9075+15#17024#17009
21M → 35K5239+13#17009#16996
35K → 23M9564+31#16996#16965
23M → 24M4691-45#16965#17010
24M → 40K34100-66#17010#17076
40K → 25.2M2237-15#17076#17091
25.2M → Finish5976-17#17091#17108
TOTALS14851894-409
📊

Passing Visuals

Category:
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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