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BOSTON MARATHON 2023

Mary Kitchen

Bib: 18198•F

MI

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
8:40/mi
26:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:28/mi
53:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:19:39
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:46:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:51:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:35/mi
2:12:36
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:42:43
↑ 181↓ 1480.2%
20M
9:20/mi
2:55:24
↑ 64↓ 500.2%
21M
9:14/mi
3:04:38
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
3:10:52
↑ 17↓ 861.7%
23M
8:39/mi
3:21:42
↑ 23↓ 630.6%
24M
8:26/mi
3:30:08
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:37:29
↓ 200.3%
25.2M
9:28/mi
3:40:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:49:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:57:17
Pace8:57 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1026:578:4026:57
8:40
-
10K
6.21 mi11:44:2753:148:3426:17
8:28
-0:12
15K
9.32 mi12:10:521:19:398:3326:25
8:30
+0:02
20K
12.43 mi12:37:171:46:048:3226:25
8:30
0:00
Half
13.11 mi12:43:011:51:488:325:44
8:24
-0:06
25K
15.53 mi13:03:492:12:368:3220:48
8:35
+0:11
30K
18.64 mi13:33:562:42:438:4430:07
9:42
+1:07
20M
20.00 mi13:46:372:55:248:4612:41
9:20
-0:22
21M
21.00 mi13:55:513:04:388:489:14
9:14
-0:06
35K
21.75 mi14:02:053:10:528:476:14
8:20
-0:54
23M
23.00 mi14:12:553:21:428:4610:50
8:39
+0:19
24M
24.00 mi14:21:213:30:088:458:26
8:26
-0:13
40K
24.85 mi14:28:423:37:298:457:21
8:36
+0:10
25.2M
25.20 mi14:31:583:40:458:463:16
9:28
+0:52
Finish
26.22 mi14:40:183:49:058:458:20
8:11
-1:17

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

8:11 /mi

Average Pace

8:45 /mi

Slowest Pace

9:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:47

76% of race

Time at Steady Pace

25:11

11% of race

Time at Slower Pace

30:07

13% 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 mi11:18:1026:578:4026:57
8:40
#18717
10K
6.21 mi11:44:2753:148:3426:17
8:28
#18313
15K
9.32 mi12:10:521:19:398:3326:25
8:30
#18141
20K
12.43 mi12:37:171:46:048:3226:25
8:30
#17789
Half
13.11 mi12:43:011:51:488:325:44
8:24
#17735
25K
15.53 mi13:03:492:12:368:3220:48
8:35
#17551
30K
18.64 mi13:33:562:42:438:4430:07
9:42
#18157
20M
20.00 mi13:46:372:55:248:4612:41
9:20
#18152
21M
21.00 mi13:55:513:04:388:489:14
9:14
#17931
35K
21.75 mi14:02:053:10:528:476:14
8:20
#17794
23M
23.00 mi14:12:553:21:428:4610:50
8:39
#17568
24M
24.00 mi14:21:213:30:088:458:26
8:26
#17428
40K
24.85 mi14:28:423:37:298:457:21
8:36
#17297
25.2M
25.20 mi14:31:583:40:458:463:16
9:28
#17262
Finish
26.22 mi14:40:183:49:058:458:20
8:11
#17127
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi187177013701317833(Top 67%)6402(Top 56%)6402(Top 131%)
10K6.21 mi3.10 mi18313+4046707+3066707+30618006(Top 68%)6478(Top 57%)6478(Top 133%)
15K9.32 mi3.11 mi18141+1726608+996608+9917833(Top 67%)6402(Top 56%)6402(Top 131%)
20K12.43 mi3.11 mi17789+3526396+2126396+21216885(Top 63%)5868(Top 51%)5868(Top 120%)
Half13.11 mi0.68 mi17735+546368+286368+2817199(Top 65%)6015(Top 53%)6015(Top 123%)
25K15.53 mi2.42 mi17551+1846265+1036265+10316711(Top 63%)5845(Top 51%)5845(Top 120%)
30K18.64 mi3.11 mi18157-6066664-3996664-39920122(Top 76%)7838(Top 69%)7838(Top 160%)
20M20.00 mi1.36 mi18152+56670-66670-618164(Top 68%)6827(Top 60%)6827(Top 140%)
21M21.00 mi1.00 mi17931+2216552+1186552+11814677(Top 55%)4870(Top 43%)4870(Top 100%)
35K21.75 mi0.75 mi17794+1376478+746478+7414359(Top 54%)4776(Top 42%)4776(Top 98%)
23M23.00 mi1.25 mi17568+2266361+1176361+11714123(Top 53%)4698(Top 41%)4698(Top 96%)
24M24.00 mi1.00 mi17428+1406283+786283+7814136(Top 53%)4763(Top 42%)4763(Top 98%)
40K24.85 mi0.85 mi17297+1316227+566227+5613987(Top 53%)4750(Top 42%)4750(Top 97%)
25.2M25.20 mi0.35 mi17262+356218+96218+915146(Top 57%)5400(Top 47%)5400(Top 111%)
Finish26.22 mi1.02 mi17127+1356143+756143+7513330(Top 50%)4389(Top 38%)4389(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17833

Females

6402

F18-39

6402

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

18006

Females

6478

F18-39

6478

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17833

Females

6402

F18-39

6402

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16885

Females

5868

F18-39

5868

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17199

Females

6015

F18-39

6015

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16711

Females

5845

F18-39

5845

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20122

Females

7838

F18-39

7838

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

18164

Females

6827

F18-39

6827

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14677

Females

4870

F18-39

4870

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14359

Females

4776

F18-39

4776

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14123

Females

4698

F18-39

4698

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14136

Females

4763

F18-39

4763

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13987

Females

4750

F18-39

4750

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15146

Females

5400

F18-39

5400

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13330

Females

4389

F18-39

4389

Passing Analysis

Category:
Athletes Passed
2797
Passed By
1207
Net Change
+1590
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18717
5K → 10K596192+404#18717#18313
10K → 15K280108+172#18313#18141
15K → 20K38735+352#18141#17789
20K → Half6511+54#17789#17735
Half → 25K22036+184#17735#17551
25K → 30K59665-606#17551#18157
30K → 20M9489+5#18157#18152
20M → 21M2298+221#18152#17931
21M → 35K1436+137#17931#17794
35K → 23M2359+226#17794#17568
23M → 24M1488+140#17568#17428
24M → 40K14312+131#17428#17297
40K → 25.2M4712+35#17297#17262
25.2M → Finish15116+135#17262#17127
TOTALS27971207+1590
📊

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