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BOSTON MARATHON 2023

Laura Keenan

Bib: 26505•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:23/mi
29:08
↑ 97↓ 3451.5%
10K· 6.21 mi
9:01/mi
57:10
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:25:59
↑ 67↓ 78
20K· 12.43 mi
9:18/mi
1:54:52
↑ 106↓ 860.1%
Half· 13.11 mi
10:04/mi
2:01:44
↑ 19↓ 370.5%
25K· 15.53 mi
10:16/mi
2:26:38
↑ 66↓ 880.2%
30K· 18.64 mi
10:38/mi
2:59:40
↑ 181↓ 1480.2%
20M
11:05/mi
3:14:44
↑ 64↓ 500.2%
21M
15:20/mi
3:30:04
↑ 106↓ 241.6%
35K· 21.75 mi
10:46/mi
3:38:07
↑ 17↓ 861.7%
23M
12:12/mi
3:53:24
↑ 23↓ 630.6%
24M
11:42/mi
4:05:06
↓ 821.3%
40K· 24.85 mi
12:59/mi
4:16:12
↓ 200.3%
25.2M
12:11/mi
4:20:24
↑ 13↓ 160.2%
Finish· 26.22 mi
11:35/mi
4:32:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:44
Pace9:17 /mi
2nd Half
Distance13.11 mi
Time2:30:28
Pace11:29 /mi
📊Positive Split: 23.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2529:089:2329:08
9:23
-
10K
6.21 mi12:19:2757:109:1228:02
9:01
-0:22
15K
9.32 mi12:48:161:25:599:1428:49
9:17
+0:16
20K
12.43 mi13:17:091:54:529:1528:53
9:18
+0:01
Half
13.11 mi13:24:012:01:449:176:52
10:04
+0:46
25K
15.53 mi13:48:552:26:389:2624:54
10:16
+0:12
30K
18.64 mi14:21:572:59:409:3833:02
10:38
+0:22
20M
20.00 mi14:37:013:14:449:4415:04
11:05
+0:27
21M
21.00 mi14:52:213:30:0410:0015:20
15:20
+4:15
35K
21.75 mi15:00:243:38:0710:028:03
10:46
-4:34
23M
23.00 mi15:15:413:53:2410:0915:17
12:12
+1:26
24M
24.00 mi15:27:234:05:0610:1311:42
11:42
-0:30
40K
24.85 mi15:38:294:16:1210:1811:06
12:59
+1:17
25.2M
25.20 mi15:42:414:20:2410:204:12
12:11
-0:48
Finish
26.22 mi15:54:294:32:1210:2311:48
11:35
-0:36

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

9:01 /mi

Average Pace

10:23 /mi

Slowest Pace

15:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:52

42% of race

Time at Steady Pace

1:39:43

37% of race

Time at Slower Pace

57:37

21% of race

Average Pace: 10:23 /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 mi11:51:2529:089:2329:08
9:23
#21755
10K
6.21 mi12:19:2757:109:1228:02
9:01
#21400
15K
9.32 mi12:48:161:25:599:1428:49
9:17
#21449
20K
12.43 mi13:17:091:54:529:1528:53
9:18
#21331
Half
13.11 mi13:24:012:01:449:176:52
10:04
#21452
25K
15.53 mi13:48:552:26:389:2624:54
10:16
#21693
30K
18.64 mi14:21:572:59:409:3833:02
10:38
#21890
20M
20.00 mi14:37:013:14:449:4415:04
11:05
#21982
21M
21.00 mi14:52:213:30:0410:0015:20
15:20
#22426
35K
21.75 mi15:00:243:38:0710:028:03
10:46
#22443
23M
23.00 mi15:15:413:53:2410:0915:17
12:12
#22586
24M
24.00 mi15:27:234:05:0610:1311:42
11:42
#22659
40K
24.85 mi15:38:294:16:1210:1811:06
12:59
#22806
25.2M
25.20 mi15:42:414:20:2410:204:12
12:11
#22809
Finish
26.22 mi15:54:294:32:1210:2311:48
11:35
#22895
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi217558769876921572(Top 81%)8543(Top 75%)8543(Top 708%)
10K6.21 mi3.10 mi21400+3558532+2378532+23720983(Top 79%)8255(Top 72%)8255(Top 684%)
15K9.32 mi3.11 mi21449-498527+58527+521572(Top 81%)8543(Top 75%)8543(Top 708%)
20K12.43 mi3.11 mi21331+1188454+738454+7320963(Top 79%)8218(Top 72%)8218(Top 681%)
Half13.11 mi0.68 mi21452-1218520-668520-6623410(Top 88%)9577(Top 84%)9577(Top 793%)
25K15.53 mi2.42 mi21693-2418651-1318651-13122780(Top 86%)9263(Top 81%)9263(Top 767%)
30K18.64 mi3.11 mi21890-1978774-1238774-12322481(Top 84%)9173(Top 80%)9173(Top 760%)
20M20.00 mi1.36 mi21982-928836-628836-6222862(Top 86%)9438(Top 83%)9438(Top 782%)
21M21.00 mi1.00 mi22426-4449106-2709106-27025916(Top 97%)11059(Top 97%)11059(Top 916%)
35K21.75 mi0.75 mi22443-179114-89114-822856(Top 86%)9517(Top 83%)9517(Top 788%)
23M23.00 mi1.25 mi22586-1439202-889202-8824255(Top 91%)10264(Top 90%)10264(Top 850%)
24M24.00 mi1.00 mi22659-739249-479249-4724132(Top 91%)10233(Top 90%)10233(Top 848%)
40K24.85 mi0.85 mi22806-1479340-919340-9124928(Top 94%)10639(Top 93%)10639(Top 881%)
25.2M25.20 mi0.35 mi22809-39340934022823(Top 86%)9561(Top 84%)9561(Top 792%)
Finish26.22 mi1.02 mi22895-869396-569396-5624787(Top 93%)10550(Top 92%)10550(Top 874%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21572

Females

8543

F50-54

8543

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

20983

Females

8255

F50-54

8255

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21572

Females

8543

F50-54

8543

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20963

Females

8218

F50-54

8218

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23410

Females

9577

F50-54

9577

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22780

Females

9263

F50-54

9263

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22481

Females

9173

F50-54

9173

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22862

Females

9438

F50-54

9438

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25916

Females

11059

F50-54

11059

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22856

Females

9517

F50-54

9517

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24255

Females

10264

F50-54

10264

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24132

Females

10233

F50-54

10233

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

24928

Females

10639

F50-54

10639

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22823

Females

9561

F50-54

9561

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24787

Females

10550

F50-54

10550

Passing Analysis

Category:
Athletes Passed
1103
Passed By
2243
Net Change
-1140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21755
5K → 10K489134+355#21755#21400
10K → 15K138187-49#21400#21449
15K → 20K19880+118#21449#21331
20K → Half4125-121#21331#21452
Half → 25K42283-241#21452#21693
25K → 30K87284-197#21693#21890
30K → 20M41133-92#21890#21982
20M → 21M4448-444#21982#22426
21M → 35K3148-17#22426#22443
35K → 23M26169-143#22443#22586
23M → 24M1588-73#22586#22659
24M → 40K6153-147#22659#22806
40K → 25.2M1316-3#22806#22809
25.2M → Finish995-86#22809#22895
TOTALS11032243-1140
📊

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