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BOSTON MARATHON 2023

Kasey Murphy

Bib: 30894•F

MA

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
29:09
Rank: #21772
Start → 5K
29:09 | 9:23/mi
10K· 6.21 mi
57:29
Rank: #21570 (+202)
5K → 10K
28:20 | 9:07/mi
15K· 9.32 mi
1:25:29
Rank: #21268 (+302)
10K → 15K
28:00 | 9:01/mi
20K· 12.43 mi
1:53:14
Rank: #20829 (+439)
15K → 20K
27:45 | 8:56/mi
Half· 13.11 mi
1:59:21
Rank: #20798 (+31)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:21:37
Rank: #20629 (+169)
Half → 25K
22:16 | 9:11/mi
30K· 18.64 mi
2:50:07
Rank: #20174 (+455)
25K → 30K
28:30 | 9:10/mi
20M
3:02:40
Rank: #19974 (+200)
30K → 20M
12:33 | 9:14/mi
21M
3:12:10
Rank: #19724 (+250)
20M → 21M
9:30 | 9:30/mi
35K· 21.75 mi
3:18:41
Rank: #19624 (+100)
21M → 35K
6:31 | 8:43/mi
23M
3:29:59
Rank: #19443 (+181)
35K → 23M
11:18 | 9:02/mi
24M
3:38:51
Rank: #19312 (+131)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:46:27
Rank: #19193 (+119)
24M → 40K
7:36 | 8:53/mi
25.2M
3:49:39
Rank: #19119 (+74)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:58:14
Rank: #18996 (+123)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:59:21
Pace9:06 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:58:53
Pace9:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1229:099:2329:09
9:23
-
10K
6.21 mi12:21:3257:299:1528:20
9:07
-0:16
15K
9.32 mi12:49:321:25:299:1028:00
9:01
-0:06
20K
12.43 mi13:17:171:53:149:0727:45
8:56
-0:05
Half
13.11 mi13:23:241:59:219:066:07
8:58
+0:02
25K
15.53 mi13:45:402:21:379:0722:16
9:11
+0:13
30K
18.64 mi14:14:102:50:079:0828:30
9:10
-0:01
20M
20.00 mi14:26:433:02:409:0812:33
9:14
+0:04
21M
21.00 mi14:36:133:12:109:099:30
9:30
+0:16
35K
21.75 mi14:42:443:18:419:086:31
8:43
-0:47
23M
23.00 mi14:54:023:29:599:0811:18
9:02
+0:19
24M
24.00 mi15:02:543:38:519:078:52
8:52
-0:10
40K
24.85 mi15:10:303:46:279:077:36
8:53
+0:01
25.2M
25.20 mi15:13:423:49:399:073:12
9:17
+0:24
Finish
26.22 mi15:22:173:58:149:068:35
8:25
-0:52

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

8:25 /mi

Average Pace

9:06 /mi

Slowest Pace

9:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:23

82% of race

Time at Steady Pace

41:51

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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 mi11:53:1229:099:2329:09
9:23
#21772
10K
6.21 mi12:21:3257:299:1528:20
9:07
#21570
15K
9.32 mi12:49:321:25:299:1028:00
9:01
#21268
20K
12.43 mi13:17:171:53:149:0727:45
8:56
#20829
Half
13.11 mi13:23:241:59:219:066:07
8:58
#20798
25K
15.53 mi13:45:402:21:379:0722:16
9:11
#20629
30K
18.64 mi14:14:102:50:079:0828:30
9:10
#20174
20M
20.00 mi14:26:433:02:409:0812:33
9:14
#19974
21M
21.00 mi14:36:133:12:109:099:30
9:30
#19724
35K
21.75 mi14:42:443:18:419:086:31
8:43
#19624
23M
23.00 mi14:54:023:29:599:0811:18
9:02
#19443
24M
24.00 mi15:02:543:38:519:078:52
8:52
#19312
40K
24.85 mi15:10:303:46:279:077:36
8:53
#19193
25.2M
25.20 mi15:13:423:49:399:073:12
9:17
#19119
Finish
26.22 mi15:22:173:58:149:068:35
8:25
#18996
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi217728773877320560(Top 77%)7988(Top 70%)7988(Top 164%)
10K6.21 mi3.10 mi21570+2028615+1588615+15821354(Top 80%)8469(Top 74%)8469(Top 173%)
15K9.32 mi3.11 mi21268+3028423+1928423+19220560(Top 77%)7988(Top 70%)7988(Top 164%)
20K12.43 mi3.11 mi20829+4398175+2488175+24819382(Top 73%)7313(Top 64%)7313(Top 150%)
Half13.11 mi0.68 mi20798+318158+178158+1720310(Top 76%)7845(Top 69%)7845(Top 161%)
25K15.53 mi2.42 mi20629+1698058+1008058+10019768(Top 74%)7566(Top 66%)7566(Top 155%)
30K18.64 mi3.11 mi20174+4557827+2317827+23118053(Top 68%)6685(Top 59%)6685(Top 137%)
20M20.00 mi1.36 mi19974+2007726+1017726+10117752(Top 67%)6616(Top 58%)6616(Top 135%)
21M21.00 mi1.00 mi19724+2507579+1477579+14715988(Top 60%)5632(Top 49%)5632(Top 115%)
35K21.75 mi0.75 mi19624+1007533+467533+4616522(Top 62%)6021(Top 53%)6021(Top 123%)
23M23.00 mi1.25 mi19443+1817433+1007433+10016202(Top 61%)5858(Top 51%)5858(Top 120%)
24M24.00 mi1.00 mi19312+1317362+717362+7116632(Top 62%)6162(Top 54%)6162(Top 126%)
40K24.85 mi0.85 mi19193+1197308+547308+5415605(Top 59%)5650(Top 49%)5650(Top 116%)
25.2M25.20 mi0.35 mi19119+747272+367272+3614198(Top 53%)4882(Top 43%)4882(Top 100%)
Finish26.22 mi1.02 mi18996+1237209+637209+6314930(Top 56%)5231(Top 46%)5231(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20560

Females

7988

F18-39

7988

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21354

Females

8469

F18-39

8469

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20560

Females

7988

F18-39

7988

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19382

Females

7313

F18-39

7313

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20310

Females

7845

F18-39

7845

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19768

Females

7566

F18-39

7566

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

18053

Females

6685

F18-39

6685

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17752

Females

6616

F18-39

6616

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15988

Females

5632

F18-39

5632

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16522

Females

6021

F18-39

6021

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16202

Females

5858

F18-39

5858

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16632

Females

6162

F18-39

6162

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15605

Females

5650

F18-39

5650

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14198

Females

4882

F18-39

4882

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14930

Females

5231

F18-39

5231

Passing Analysis

Category:
Athletes Passed
3131
Passed By
355
Net Change
+2776
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21772
5K → 10K387185+202#21772#21570
10K → 15K35755+302#21570#21268
15K → 20K45718+439#21268#20829
20K → Half4817+31#20829#20798
Half → 25K19728+169#20798#20629
25K → 30K4572+455#20629#20174
30K → 20M21111+200#20174#19974
20M → 21M2544+250#19974#19724
21M → 35K1044+100#19724#19624
35K → 23M1909+181#19624#19443
23M → 24M1376+131#19443#19312
24M → 40K1267+119#19312#19193
40K → 25.2M751+74#19193#19119
25.2M → Finish1318+123#19119#18996
TOTALS3131355+2776
📊

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