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BOSTON MARATHON 2023

Laura Ramsden

Bib: 26442•F

RI

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
9:18/mi
28:55
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
57:06
↑ 79↓ 1380.4%
15K· 9.32 mi
9:11/mi
1:25:37
↑ 67↓ 78
20K· 12.43 mi
9:14/mi
1:54:17
↑ 106↓ 860.1%
Half· 13.11 mi
9:18/mi
2:00:38
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:23:17
↑ 66↓ 880.2%
30K· 18.64 mi
9:47/mi
2:53:41
↑ 181↓ 1480.2%
20M
9:44/mi
3:06:54
↑ 64↓ 500.2%
21M
10:24/mi
3:17:18
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:24:49
↑ 17↓ 861.7%
23M
9:53/mi
3:37:11
↑ 23↓ 630.6%
24M
9:42/mi
3:46:53
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:55:10
↓ 200.3%
25.2M
10:50/mi
3:58:54
↑ 13↓ 160.2%
Finish· 26.22 mi
9:20/mi
4:08:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:38
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:07:47
Pace9:45 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2328:559:1828:55
9:18
-
10K
6.21 mi12:19:3457:069:1128:11
9:04
-0:14
15K
9.32 mi12:48:051:25:379:1128:31
9:11
+0:07
20K
12.43 mi13:16:451:54:179:1228:40
9:14
+0:03
Half
13.11 mi13:23:062:00:389:126:21
9:18
+0:04
25K
15.53 mi13:45:452:23:179:1322:39
9:21
+0:03
30K
18.64 mi14:16:092:53:419:1930:24
9:47
+0:26
20M
20.00 mi14:29:223:06:549:2113:13
9:44
-0:03
21M
21.00 mi14:39:463:17:189:2410:24
10:24
+0:40
35K
21.75 mi14:47:173:24:499:257:31
10:03
-0:21
23M
23.00 mi14:59:393:37:119:2712:22
9:53
-0:10
24M
24.00 mi15:09:213:46:539:279:42
9:42
-0:11
40K
24.85 mi15:17:383:55:109:288:17
9:41
-0:01
25.2M
25.20 mi15:21:223:58:549:293:44
10:50
+1:09
Finish
26.22 mi15:30:534:08:259:299:31
9:20
-1:30

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

9:04 /mi

Average Pace

9:29 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:46:46

91% of race

Time at Steady Pace

17:55

7% of race

Time at Slower Pace

3:44

2% of race

Average Pace: 9:28 /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 mi11:51:2328:559:1828:55
9:18
#21547
10K
6.21 mi12:19:3457:069:1128:11
9:04
#21361
15K
9.32 mi12:48:051:25:379:1128:31
9:11
#21312
20K
12.43 mi13:16:451:54:179:1228:40
9:14
#21176
Half
13.11 mi13:23:062:00:389:126:21
9:18
#21183
25K
15.53 mi13:45:452:23:179:1322:39
9:21
#21017
30K
18.64 mi14:16:092:53:419:1930:24
9:47
#20892
20M
20.00 mi14:29:223:06:549:2113:13
9:44
#20762
21M
21.00 mi14:39:463:17:189:2410:24
10:24
#20672
35K
21.75 mi14:47:173:24:499:257:31
10:03
#20691
23M
23.00 mi14:59:393:37:119:2712:22
9:53
#20598
24M
24.00 mi15:09:213:46:539:279:42
9:42
#20571
40K
24.85 mi15:17:383:55:109:288:17
9:41
#20506
25.2M
25.20 mi15:21:223:58:549:293:44
10:50
#20488
Finish
26.22 mi15:30:534:08:259:299:31
9:20
#20452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi215478662866221236(Top 80%)8362(Top 73%)8362(Top 693%)
10K6.21 mi3.10 mi21361+1868506+1568506+15621163(Top 79%)8359(Top 73%)8359(Top 693%)
15K9.32 mi3.11 mi21312+498449+578449+5721236(Top 80%)8362(Top 73%)8362(Top 693%)
20K12.43 mi3.11 mi21176+1368363+868363+8620693(Top 78%)8056(Top 71%)8056(Top 667%)
Half13.11 mi0.68 mi21183-78363836321550(Top 81%)8536(Top 75%)8536(Top 707%)
25K15.53 mi2.42 mi21017+1668274+898274+8920335(Top 76%)7892(Top 69%)7892(Top 654%)
30K18.64 mi3.11 mi20892+1258210+648210+6420413(Top 77%)8003(Top 70%)8003(Top 663%)
20M20.00 mi1.36 mi20762+1308155+558155+5519645(Top 74%)7663(Top 67%)7663(Top 635%)
21M21.00 mi1.00 mi20672+908120+358120+3519285(Top 72%)7509(Top 66%)7509(Top 622%)
35K21.75 mi0.75 mi20691-198139-198139-1921414(Top 80%)8718(Top 76%)8718(Top 722%)
23M23.00 mi1.25 mi20598+938104+358104+3519651(Top 74%)7766(Top 68%)7766(Top 643%)
24M24.00 mi1.00 mi20571+278103+18103+119916(Top 75%)7928(Top 69%)7928(Top 657%)
40K24.85 mi0.85 mi20506+658077+268077+2619010(Top 71%)7506(Top 66%)7506(Top 622%)
25.2M25.20 mi0.35 mi20488+188067+108067+1020071(Top 75%)8102(Top 71%)8102(Top 671%)
Finish26.22 mi1.02 mi20452+368060+78060+719548(Top 73%)7759(Top 68%)7759(Top 643%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21236

Females

8362

F50-54

8362

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21163

Females

8359

F50-54

8359

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21236

Females

8362

F50-54

8362

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20693

Females

8056

F50-54

8056

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21550

Females

8536

F50-54

8536

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20335

Females

7892

F50-54

7892

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20413

Females

8003

F50-54

8003

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19645

Females

7663

F50-54

7663

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19285

Females

7509

F50-54

7509

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21414

Females

8718

F50-54

8718

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19651

Females

7766

F50-54

7766

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19916

Females

7928

F50-54

7928

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

19010

Females

7506

F50-54

7506

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20071

Females

8102

F50-54

8102

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19548

Females

7759

F50-54

7759

Passing Analysis

Category:
Athletes Passed
1867
Passed By
772
Net Change
+1095
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21547
5K → 10K387201+186#21547#21361
10K → 15K184135+49#21361#21312
15K → 20K21579+136#21312#21176
20K → Half2027-7#21176#21183
Half → 25K19933+166#21183#21017
25K → 30K21388+125#21017#20892
30K → 20M14919+130#20892#20762
20M → 21M11525+90#20762#20672
21M → 35K3554-19#20672#20691
35K → 23M11320+93#20691#20598
23M → 24M5831+27#20598#20571
24M → 40K8318+65#20571#20506
40K → 25.2M3517+18#20506#20488
25.2M → Finish6125+36#20488#20452
TOTALS1867772+1095
📊

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