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BOSTON MARATHON 2023

Kellye Lafortune

Bib: 16411•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 23%
Division (F45-49)
#0 / 1817
Top 25%
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
8:06/mi
50:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:15:41
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:41:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:46:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:06:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:32:47
↑ 181↓ 1480.2%
20M
8:26/mi
2:44:15
↑ 64↓ 500.2%
21M
8:58/mi
2:53:13
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:59:15
↑ 17↓ 861.7%
23M
8:15/mi
3:09:35
↑ 23↓ 630.6%
24M
8:01/mi
3:17:36
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:24:30
↓ 200.3%
25.2M
8:39/mi
3:27:29
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:35:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:44
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:48:47
Pace8:18 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2525:178:0825:17
8:08
-
10K
6.21 mi11:40:3450:268:0725:09
8:06
-0:02
15K
9.32 mi12:05:491:15:418:0725:15
8:08
+0:02
20K
12.43 mi12:31:151:41:078:0825:26
8:11
+0:03
Half
13.11 mi12:36:521:46:448:085:37
8:14
+0:03
25K
15.53 mi12:56:402:06:328:0919:48
8:10
-0:04
30K
18.64 mi13:22:552:32:478:1226:15
8:27
+0:17
20M
20.00 mi13:34:232:44:158:1311:28
8:26
-0:01
21M
21.00 mi13:43:212:53:138:158:58
8:58
+0:32
35K
21.75 mi13:49:232:59:158:156:02
8:04
-0:54
23M
23.00 mi13:59:433:09:358:1510:20
8:15
+0:11
24M
24.00 mi14:07:443:17:368:148:01
8:01
-0:14
40K
24.85 mi14:14:383:24:308:146:54
8:04
+0:03
25.2M
25.20 mi14:17:373:27:298:142:59
8:39
+0:35
Finish
26.22 mi14:25:393:35:318:148:02
7:53
-0:46

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

7:53 /mi

Average Pace

8:14 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:33

96% of race

Time at Steady Pace

8:58

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:15:2525:178:0825:17
8:08
#14993
10K
6.21 mi11:40:3450:268:0725:09
8:06
#15228
15K
9.32 mi12:05:491:15:418:0725:15
8:08
#15254
20K
12.43 mi12:31:151:41:078:0825:26
8:11
#15147
Half
13.11 mi12:36:521:46:448:085:37
8:14
#15191
25K
15.53 mi12:56:402:06:328:0919:48
8:10
#14953
30K
18.64 mi13:22:552:32:478:1226:15
8:27
#14780
20M
20.00 mi13:34:232:44:158:1311:28
8:26
#14648
21M
21.00 mi13:43:212:53:138:158:58
8:58
#14532
35K
21.75 mi13:49:232:59:158:156:02
8:04
#14474
23M
23.00 mi13:59:433:09:358:1510:20
8:15
#14277
24M
24.00 mi14:07:443:17:368:148:01
8:01
#14119
40K
24.85 mi14:14:383:24:308:146:54
8:04
#13955
25.2M
25.20 mi14:17:373:27:298:142:59
8:39
#13896
Finish
26.22 mi14:25:393:35:318:148:02
7:53
#13779
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi149934635463515348(Top 58%)4877(Top 43%)4877(Top 268%)
10K6.21 mi3.10 mi15228-2354786-1514786-15115494(Top 58%)4957(Top 43%)4957(Top 273%)
15K9.32 mi3.11 mi15254-264822-364822-3615348(Top 58%)4877(Top 43%)4877(Top 268%)
20K12.43 mi3.11 mi15147+1074775+474775+4714889(Top 56%)4638(Top 41%)4638(Top 255%)
Half13.11 mi0.68 mi15191-444804-294804-2916018(Top 60%)5286(Top 46%)5286(Top 291%)
25K15.53 mi2.42 mi14953+2384682+1224682+12214007(Top 53%)4227(Top 37%)4227(Top 233%)
30K18.64 mi3.11 mi14780+1734602+804602+8013990(Top 53%)4326(Top 38%)4326(Top 238%)
20M20.00 mi1.36 mi14648+1324549+534549+5313273(Top 50%)4005(Top 35%)4005(Top 220%)
21M21.00 mi1.00 mi14532+1164511+384511+3813232(Top 50%)4067(Top 36%)4067(Top 224%)
35K21.75 mi0.75 mi14474+584492+194492+1912624(Top 47%)3785(Top 33%)3785(Top 208%)
23M23.00 mi1.25 mi14277+1974398+944398+9411586(Top 44%)3303(Top 29%)3303(Top 182%)
24M24.00 mi1.00 mi14119+1584320+784320+7811404(Top 43%)3299(Top 29%)3299(Top 182%)
40K24.85 mi0.85 mi13955+1644245+754245+7510571(Top 40%)2933(Top 26%)2933(Top 161%)
25.2M25.20 mi0.35 mi13896+594220+254220+2510570(Top 40%)2996(Top 26%)2996(Top 165%)
Finish26.22 mi1.02 mi13779+1174157+634157+6311331(Top 43%)3369(Top 29%)3369(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15348

Females

4877

F45-49

4877

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15494

Females

4957

F45-49

4957

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15348

Females

4877

F45-49

4877

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14889

Females

4638

F45-49

4638

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16018

Females

5286

F45-49

5286

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14007

Females

4227

F45-49

4227

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

13990

Females

4326

F45-49

4326

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13273

Females

4005

F45-49

4005

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13232

Females

4067

F45-49

4067

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12624

Females

3785

F45-49

3785

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11586

Females

3303

F45-49

3303

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11404

Females

3299

F45-49

3299

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10571

Females

2933

F45-49

2933

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10570

Females

2996

F45-49

2996

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11331

Females

3369

F45-49

3369

Passing Analysis

Category:
Athletes Passed
2273
Passed By
1059
Net Change
+1214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14993
5K → 10K198433-235#14993#15228
10K → 15K173199-26#15228#15254
15K → 20K232125+107#15254#15147
20K → Half2872-44#15147#15191
Half → 25K26729+238#15191#14953
25K → 30K26087+173#14953#14780
30K → 20M15422+132#14780#14648
20M → 21M14529+116#14648#14532
21M → 35K7416+58#14532#14474
35K → 23M20710+197#14474#14277
23M → 24M1613+158#14277#14119
24M → 40K17612+164#14119#13955
40K → 25.2M656+59#13955#13896
25.2M → Finish13316+117#13896#13779
TOTALS22731059+1214
📊

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