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BOSTON MARATHON 2023

Lucy Stone

Bib: 22475•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
8:47/mi
27:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
54:24
↑ 79↓ 1380.4%
15K· 9.32 mi
9:05/mi
1:22:37
↑ 67↓ 78
20K· 12.43 mi
9:31/mi
1:52:10
↑ 106↓ 860.1%
Half· 13.11 mi
9:20/mi
1:58:32
↑ 19↓ 370.5%
25K· 15.53 mi
10:01/mi
2:22:50
↑ 66↓ 880.2%
30K· 18.64 mi
10:55/mi
2:56:46
↑ 181↓ 1480.2%
20M
14:28/mi
3:16:25
↑ 64↓ 500.2%
21M
14:32/mi
3:30:57
↑ 106↓ 241.6%
35K· 21.75 mi
11:32/mi
3:39:35
↑ 17↓ 861.7%
23M
11:56/mi
3:54:31
↑ 23↓ 630.6%
24M
10:59/mi
4:05:30
↓ 821.3%
40K· 24.85 mi
11:05/mi
4:14:59
↓ 200.3%
25.2M
12:51/mi
4:19:25
↑ 13↓ 160.2%
Finish· 26.22 mi
10:56/mi
4:30:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:32
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:32:02
Pace11:36 /mi
📊Positive Split: 28.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5427:168:4727:16
8:47
-
10K
6.21 mi11:49:0254:248:4527:08
8:44
-0:03
15K
9.32 mi12:17:151:22:378:5228:13
9:05
+0:21
20K
12.43 mi12:46:481:52:109:0229:33
9:31
+0:26
Half
13.11 mi12:53:101:58:329:026:22
9:20
-0:11
25K
15.53 mi13:17:282:22:509:1224:18
10:01
+0:41
30K
18.64 mi13:51:242:56:469:2933:56
10:55
+0:54
20M
20.00 mi14:11:033:16:259:4919:39
14:28
+3:33
21M
21.00 mi14:25:353:30:5710:0314:32
14:32
+0:04
35K
21.75 mi14:34:133:39:3510:068:38
11:32
-3:00
23M
23.00 mi14:49:093:54:3110:1214:56
11:56
+0:24
24M
24.00 mi15:00:084:05:3010:1410:59
10:59
-0:57
40K
24.85 mi15:09:374:14:5910:169:29
11:05
+0:06
25.2M
25.20 mi15:14:034:19:2510:184:26
12:51
+1:46
Finish
26.22 mi15:25:124:30:3410:2011:09
10:56
-1:55

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

8:44 /mi

Average Pace

10:20 /mi

Slowest Pace

14:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:50

53% of race

Time at Steady Pace

1:14:11

27% of race

Time at Slower Pace

53:33

20% of race

Average Pace: 10:19 /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 mi11:21:5427:168:4727:16
8:47
#19345
10K
6.21 mi11:49:0254:248:4527:08
8:44
#19441
15K
9.32 mi12:17:151:22:378:5228:13
9:05
#19942
20K
12.43 mi12:46:481:52:109:0229:33
9:31
#20475
Half
13.11 mi12:53:101:58:329:026:22
9:20
#20550
25K
15.53 mi13:17:282:22:509:1224:18
10:01
#20913
30K
18.64 mi13:51:242:56:469:2933:56
10:55
#21428
20M
20.00 mi14:11:033:16:259:4919:39
14:28
#22206
21M
21.00 mi14:25:353:30:5710:0314:32
14:32
#22535
35K
21.75 mi14:34:133:39:3510:068:38
11:32
#22604
23M
23.00 mi14:49:093:54:3110:1214:56
11:56
#22701
24M
24.00 mi15:00:084:05:3010:1410:59
10:59
#22707
40K
24.85 mi15:09:374:14:5910:169:29
11:05
#22703
25.2M
25.20 mi15:14:034:19:2510:184:26
12:51
#22719
Finish
26.22 mi15:25:124:30:3410:2011:09
10:56
#22774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi193457412741220887(Top 78%)8181(Top 72%)8181(Top 450%)
10K6.21 mi3.10 mi19441-967425-137425-1319615(Top 74%)7462(Top 65%)7462(Top 411%)
15K9.32 mi3.11 mi19942-5017702-2777702-27720887(Top 78%)8181(Top 72%)8181(Top 450%)
20K12.43 mi3.11 mi20475-5337988-2867988-28621600(Top 81%)8576(Top 75%)8576(Top 472%)
Half13.11 mi0.68 mi20550-758021-338021-3321662(Top 81%)8614(Top 75%)8614(Top 474%)
25K15.53 mi2.42 mi20913-3638212-1918212-19122266(Top 84%)8982(Top 79%)8982(Top 494%)
30K18.64 mi3.11 mi21428-5158518-3068518-30622969(Top 86%)9449(Top 83%)9449(Top 520%)
20M20.00 mi1.36 mi22206-7788964-4468964-44626078(Top 98%)11170(Top 98%)11170(Top 615%)
21M21.00 mi1.00 mi22535-3299158-1949158-19425449(Top 96%)10832(Top 95%)10832(Top 596%)
35K21.75 mi0.75 mi22604-699210-529210-5224163(Top 91%)10210(Top 89%)10210(Top 562%)
23M23.00 mi1.25 mi22701-979267-579267-5723895(Top 90%)10061(Top 88%)10061(Top 554%)
24M24.00 mi1.00 mi22707-69280-139280-1323028(Top 86%)9648(Top 84%)9648(Top 531%)
40K24.85 mi0.85 mi22703+49283-39283-322551(Top 85%)9423(Top 82%)9423(Top 519%)
25.2M25.20 mi0.35 mi22719-169295-129295-1223799(Top 89%)10087(Top 88%)10087(Top 555%)
Finish26.22 mi1.02 mi22774-559328-339328-3323862(Top 90%)10087(Top 88%)10087(Top 555%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20887

Females

8181

F45-49

8181

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

19615

Females

7462

F45-49

7462

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20887

Females

8181

F45-49

8181

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21600

Females

8576

F45-49

8576

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21662

Females

8614

F45-49

8614

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22266

Females

8982

F45-49

8982

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22969

Females

9449

F45-49

9449

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

26078

Females

11170

F45-49

11170

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25449

Females

10832

F45-49

10832

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24163

Females

10210

F45-49

10210

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23895

Females

10061

F45-49

10061

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

23028

Females

9648

F45-49

9648

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22551

Females

9423

F45-49

9423

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23799

Females

10087

F45-49

10087

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

23862

Females

10087

F45-49

10087

Passing Analysis

Category:
Athletes Passed
610
Passed By
4039
Net Change
-3429
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19345
5K → 10K281377-96#19345#19441
10K → 15K50551-501#19441#19942
15K → 20K56589-533#19942#20475
20K → Half1287-75#20475#20550
Half → 25K26389-363#20550#20913
25K → 30K30545-515#20913#21428
30K → 20M5783-778#21428#22206
20M → 21M5334-329#22206#22535
21M → 35K2089-69#22535#22604
35K → 23M29126-97#22604#22701
23M → 24M3339-6#22701#22707
24M → 40K3632+4#22707#22703
40K → 25.2M1026-16#22703#22719
25.2M → Finish1772-55#22719#22774
TOTALS6104039-3429
📊

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