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BOSTON MARATHON 2023

Heather Murphy

Bib: 18730•F

AZ

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
8:08/mi
25:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:16:59
↑ 67↓ 78
20K· 12.43 mi
8:52/mi
1:44:31
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:50:23
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:12:17
↑ 66↓ 880.2%
30K· 18.64 mi
9:41/mi
2:42:22
↑ 181↓ 1480.2%
20M
9:45/mi
2:55:37
↑ 64↓ 500.2%
21M
10:37/mi
3:06:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:23/mi
3:13:15
↑ 17↓ 861.7%
23M
9:45/mi
3:25:28
↑ 23↓ 630.6%
24M
9:24/mi
3:34:52
↓ 821.3%
40K· 24.85 mi
9:38/mi
3:43:06
↓ 200.3%
25.2M
10:18/mi
3:46:39
↑ 13↓ 160.2%
Finish· 26.22 mi
9:01/mi
3:55:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:23
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:05:27
Pace9:34 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4125:178:0825:17
8:08
-
10K
6.21 mi11:41:5750:338:0825:16
8:08
0:00
15K
9.32 mi12:08:231:16:598:1626:26
8:30
+0:22
20K
12.43 mi12:35:551:44:318:2527:32
8:52
+0:22
Half
13.11 mi12:41:471:50:238:255:52
8:36
-0:16
25K
15.53 mi13:03:412:12:178:3121:54
9:02
+0:26
30K
18.64 mi13:33:462:42:228:4330:05
9:41
+0:39
20M
20.00 mi13:47:012:55:378:4713:15
9:45
+0:04
21M
21.00 mi13:57:383:06:148:5210:37
10:37
+0:52
35K
21.75 mi14:04:393:13:158:537:01
9:23
-1:14
23M
23.00 mi14:16:523:25:288:5612:13
9:45
+0:22
24M
24.00 mi14:26:163:34:528:579:24
9:24
-0:21
40K
24.85 mi14:34:303:43:068:598:14
9:38
+0:14
25.2M
25.20 mi14:38:033:46:399:003:33
10:18
+0:40
Finish
26.22 mi14:47:143:55:509:009:11
9:01
-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

8:08 /mi

Average Pace

9:00 /mi

Slowest Pace

10:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:34

51% of race

Time at Steady Pace

1:16:38

32% of race

Time at Slower Pace

39:38

17% of race

Average Pace: 9:00 /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 mi11:16:4125:178:0825:17
8:08
#15006
10K
6.21 mi11:41:5750:338:0825:16
8:08
#15361
15K
9.32 mi12:08:231:16:598:1626:26
8:30
#16248
20K
12.43 mi12:35:551:44:318:2527:32
8:52
#17014
Half
13.11 mi12:41:471:50:238:255:52
8:36
#17088
25K
15.53 mi13:03:412:12:178:3121:54
9:02
#17423
30K
18.64 mi13:33:462:42:228:4330:05
9:41
#18047
20M
20.00 mi13:47:012:55:378:4713:15
9:45
#18212
21M
21.00 mi13:57:383:06:148:5210:37
10:37
#18367
35K
21.75 mi14:04:393:13:158:537:01
9:23
#18411
23M
23.00 mi14:16:523:25:288:5612:13
9:45
#18484
24M
24.00 mi14:26:163:34:528:579:24
9:24
#18512
40K
24.85 mi14:34:303:43:068:598:14
9:38
#18534
25.2M
25.20 mi14:38:033:46:399:003:33
10:18
#18525
Finish
26.22 mi14:47:143:55:509:009:11
9:01
#18530
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi150064648464817883(Top 67%)6433(Top 56%)6433(Top 132%)
10K6.21 mi3.10 mi15361-3554881-2334881-23315778(Top 59%)5133(Top 45%)5133(Top 105%)
15K9.32 mi3.11 mi16248-8875439-5585439-55817883(Top 67%)6433(Top 56%)6433(Top 132%)
20K12.43 mi3.11 mi17014-7665935-4965935-49619019(Top 71%)7097(Top 62%)7097(Top 145%)
Half13.11 mi0.68 mi17088-745986-515986-5118373(Top 69%)6708(Top 59%)6708(Top 137%)
25K15.53 mi2.42 mi17423-3356194-2086194-20819139(Top 72%)7209(Top 63%)7209(Top 148%)
30K18.64 mi3.11 mi18047-6246597-4036597-40320084(Top 75%)7813(Top 68%)7813(Top 160%)
20M20.00 mi1.36 mi18212-1656708-1116708-11119715(Top 74%)7707(Top 67%)7707(Top 158%)
21M21.00 mi1.00 mi18367-1556808-1006808-10019929(Top 75%)7888(Top 69%)7888(Top 162%)
35K21.75 mi0.75 mi18411-446841-336841-3319457(Top 73%)7630(Top 67%)7630(Top 156%)
23M23.00 mi1.25 mi18484-736891-506891-5019295(Top 72%)7578(Top 66%)7578(Top 155%)
24M24.00 mi1.00 mi18512-286915-246915-2418866(Top 71%)7369(Top 65%)7369(Top 151%)
40K24.85 mi0.85 mi18534-226937-226937-2218810(Top 71%)7383(Top 65%)7383(Top 151%)
25.2M25.20 mi0.35 mi18525+96940-36940-318485(Top 69%)7218(Top 63%)7218(Top 148%)
Finish26.22 mi1.02 mi18530-56953-136953-1318053(Top 68%)6934(Top 61%)6934(Top 142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17883

Females

6433

F18-39

6433

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15778

Females

5133

F18-39

5133

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17883

Females

6433

F18-39

6433

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

19019

Females

7097

F18-39

7097

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18373

Females

6708

F18-39

6708

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19139

Females

7209

F18-39

7209

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

20084

Females

7813

F18-39

7813

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19715

Females

7707

F18-39

7707

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19929

Females

7888

F18-39

7888

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19457

Females

7630

F18-39

7630

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19295

Females

7578

F18-39

7578

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18866

Females

7369

F18-39

7369

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18810

Females

7383

F18-39

7383

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18485

Females

7218

F18-39

7218

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

18053

Females

6934

F18-39

6934

Passing Analysis

Category:
Athletes Passed
698
Passed By
4222
Net Change
-3524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15006
5K → 10K165520-355#15006#15361
10K → 15K26913-887#15361#16248
15K → 20K38804-766#16248#17014
20K → Half1084-74#17014#17088
Half → 25K59394-335#17088#17423
25K → 30K51675-624#17423#18047
30K → 20M45210-165#18047#18212
20M → 21M45200-155#18212#18367
21M → 35K3579-44#18367#18411
35K → 23M52125-73#18411#18484
23M → 24M4573-28#18484#18512
24M → 40K4466-22#18512#18534
40K → 25.2M3021+9#18534#18525
25.2M → Finish5358-5#18525#18530
TOTALS6984222-3524
📊

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