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BOSTON MARATHON 2023

Laura Hash Davis

Bib: 23879•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
9:14/mi
28:42
↑ 97↓ 3451.5%
10K· 6.21 mi
9:48/mi
59:10
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:27:30
↑ 67↓ 78
20K· 12.43 mi
9:21/mi
1:56:32
↑ 106↓ 860.1%
Half· 13.11 mi
9:11/mi
2:02:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:55/mi
2:29:17
↑ 66↓ 880.2%
30K· 18.64 mi
10:13/mi
3:01:01
↑ 181↓ 1480.2%
20M
10:14/mi
3:14:55
↑ 64↓ 500.2%
21M
11:35/mi
3:26:30
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:33:44
↑ 17↓ 861.7%
23M
9:55/mi
3:46:09
↑ 23↓ 630.6%
24M
13:57/mi
4:00:06
↓ 821.3%
40K· 24.85 mi
10:02/mi
4:08:41
↓ 200.3%
25.2M
10:52/mi
4:12:26
↑ 13↓ 160.2%
Finish· 26.22 mi
9:33/mi
4:22:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:48
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:19:22
Pace10:38 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4328:429:1428:42
9:14
-
10K
6.21 mi12:15:1159:109:3130:28
9:48
+0:34
15K
9.32 mi12:43:311:27:309:2328:20
9:07
-0:41
20K
12.43 mi13:12:331:56:329:2329:02
9:21
+0:14
Half
13.11 mi13:18:492:02:489:226:16
9:11
-0:10
25K
15.53 mi13:45:182:29:179:3726:29
10:55
+1:44
30K
18.64 mi14:17:023:01:019:4331:44
10:13
-0:42
20M
20.00 mi14:30:563:14:559:4513:54
10:14
+0:01
21M
21.00 mi14:42:313:26:309:5011:35
11:35
+1:21
35K
21.75 mi14:49:453:33:449:507:14
9:40
-1:55
23M
23.00 mi15:02:103:46:099:5012:25
9:55
+0:15
24M
24.00 mi15:16:074:00:0610:0013:57
13:57
+4:02
40K
24.85 mi15:24:424:08:4110:008:35
10:02
-3:55
25.2M
25.20 mi15:28:274:12:2610:013:45
10:52
+0:50
Finish
26.22 mi15:38:114:22:1010:009:44
9:33
-1:19

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

9:07 /mi

Average Pace

10:00 /mi

Slowest Pace

13:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:18

24% of race

Time at Steady Pace

2:23:06

55% of race

Time at Slower Pace

55:46

21% of race

Average Pace: 10:00 /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 mi11:44:4328:429:1428:42
9:14
#21334
10K
6.21 mi12:15:1159:109:3130:28
9:48
#22386
15K
9.32 mi12:43:311:27:309:2328:20
9:07
#21956
20K
12.43 mi13:12:331:56:329:2329:02
9:21
#21738
Half
13.11 mi13:18:492:02:489:226:16
9:11
#21724
25K
15.53 mi13:45:182:29:179:3726:29
10:55
#22234
30K
18.64 mi14:17:023:01:019:4331:44
10:13
#22100
20M
20.00 mi14:30:563:14:559:4513:54
10:14
#22013
21M
21.00 mi14:42:313:26:309:5011:35
11:35
#22023
35K
21.75 mi14:49:453:33:449:507:14
9:40
#21961
23M
23.00 mi15:02:103:46:099:5012:25
9:55
#21847
24M
24.00 mi15:16:074:00:0610:0013:57
13:57
#22189
40K
24.85 mi15:24:424:08:4110:008:35
10:02
#22119
25.2M
25.20 mi15:28:274:12:2610:013:45
10:52
#22085
Finish
26.22 mi15:38:114:22:1010:009:44
9:33
#22029
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi213348546854621026(Top 79%)8250(Top 72%)8250(Top 1012%)
10K6.21 mi3.10 mi22386-10529044-4989044-49823283(Top 87%)9497(Top 83%)9497(Top 1165%)
15K9.32 mi3.11 mi21956+4308814+2308814+23021026(Top 79%)8250(Top 72%)8250(Top 1012%)
20K12.43 mi3.11 mi21738+2188674+1408674+14021089(Top 79%)8288(Top 73%)8288(Top 1017%)
Half13.11 mi0.68 mi21724+148670+48670+421147(Top 79%)8341(Top 73%)8341(Top 1023%)
25K15.53 mi2.42 mi22234-5108964-2948964-29423845(Top 90%)9871(Top 86%)9871(Top 1211%)
30K18.64 mi3.11 mi22100+1348895+698895+6921556(Top 81%)8658(Top 76%)8658(Top 1062%)
20M20.00 mi1.36 mi22013+878854+418854+4121105(Top 79%)8473(Top 74%)8473(Top 1040%)
21M21.00 mi1.00 mi22023-108868-148868-1422029(Top 83%)9006(Top 79%)9006(Top 1105%)
35K21.75 mi0.75 mi21961+628832+368832+3620407(Top 77%)8181(Top 72%)8181(Top 1004%)
23M23.00 mi1.25 mi21847+1148788+448788+4419754(Top 74%)7829(Top 69%)7829(Top 961%)
24M24.00 mi1.00 mi22189-3428985-1978985-19726051(Top 98%)11188(Top 98%)11188(Top 1373%)
40K24.85 mi0.85 mi22119+708955+308955+3020095(Top 75%)8113(Top 71%)8113(Top 995%)
25.2M25.20 mi0.35 mi22085+348941+148941+1420205(Top 76%)8174(Top 72%)8174(Top 1003%)
Finish26.22 mi1.02 mi22029+568916+258916+2520320(Top 76%)8196(Top 72%)8196(Top 1006%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21026

Females

8250

F55-59

8250

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23283

Females

9497

F55-59

9497

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21026

Females

8250

F55-59

8250

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

21089

Females

8288

F55-59

8288

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

21147

Females

8341

F55-59

8341

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23845

Females

9871

F55-59

9871

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21556

Females

8658

F55-59

8658

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21105

Females

8473

F55-59

8473

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22029

Females

9006

F55-59

9006

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20407

Females

8181

F55-59

8181

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19754

Females

7829

F55-59

7829

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

26051

Females

11188

F55-59

11188

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20095

Females

8113

F55-59

8113

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20205

Females

8174

F55-59

8174

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20320

Females

8196

F55-59

8196

Passing Analysis

Category:
Athletes Passed
1533
Passed By
2228
Net Change
-695
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21334
5K → 10K251077-1052#21334#22386
10K → 15K45727+430#22386#21956
15K → 20K26143+218#21956#21738
20K → Half2612+14#21738#21724
Half → 25K17527-510#21724#22234
25K → 30K20066+134#22234#22100
30K → 20M11023+87#22100#22013
20M → 21M6070-10#22013#22023
21M → 35K686+62#22023#21961
35K → 23M12612+114#21961#21847
23M → 24M1343-342#21847#22189
24M → 40K8010+70#22189#22119
40K → 25.2M373+34#22119#22085
25.2M → Finish659+56#22085#22029
TOTALS15332228-695
📊

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