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BOSTON MARATHON 2023

Marie-Josée Larocque

ON

Bib: 20426 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:06/mi
25:09
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:02/mi
50:05
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:06/mi
1:15:15
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:43/mi
1:42:21
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:45/mi
1:48:19
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:57/mi
2:10:02
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:04/mi
2:41:19
↑ 181↓ 1480.2%
138 ft elev
20M
10:24/mi
2:55:27
↑ 64↓ 500.2%
148 ft elev
21M
11:40/mi
3:07:07
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:36/mi
3:14:18
↑ 17↓ 861.7%
156 ft elev
23M
9:59/mi
3:26:48
↑ 23↓ 630.6%
116 ft elev
24M
9:57/mi
3:36:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:22/mi
3:45:37
↓ 200.3%
20 ft elev
25.2M
11:04/mi
3:49:26
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:32/mi
4:00:10
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:48:198:16 /mi⚡ faster
2nd Half
2:11:5110:03 /mi+21.7%
Positive split — 21.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5725:098:0625:09
8:06
-
10K
6.21 mi11:42:5350:058:0424:56
8:02
-0:04
15K
9.32 mi12:08:031:15:158:0425:10
8:06
+0:04
20K
12.43 mi12:35:091:42:218:1427:06
8:43
+0:37
Half
13.11 mi12:41:071:48:198:165:58
8:45
+0:02
25K
15.53 mi13:02:502:10:028:2221:43
8:57
+0:12
30K
18.64 mi13:34:072:41:198:3931:17
10:04
+1:07
20M
20.00 mi13:48:152:55:278:4614:08
10:24
+0:20
21M
21.00 mi13:59:553:07:078:5511:40
11:40
+1:16
35K
21.75 mi14:07:063:14:188:567:11
9:36
-2:04
23M
23.00 mi14:19:363:26:488:5912:30
9:59
+0:23
24M
24.00 mi14:29:333:36:459:029:57
9:57
-0:02
40K
24.85 mi14:38:253:45:379:058:52
10:22
+0:25
25.2M
25.20 mi14:42:143:49:269:063:49
11:04
+0:42
Finish
26.22 mi14:52:584:00:109:1010:44
10:32
-0:32

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

8:02 /mi

Average Pace

9:10 /mi

Slowest Pace

11:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:10:02

54% of race

Time at Steady Pace

1:23:55

35% of race

Time at Slower Pace

26:13

11% of race

Average Pace: 9:10 /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 mi11:17:5725:098:0625:09
8:06
#14700
10K
6.21 mi11:42:5350:058:0424:56
8:02
#14839
15K
9.32 mi12:08:031:15:158:0425:10
8:06
#14941
20K
12.43 mi12:35:091:42:218:1427:06
8:43
#15825
Half
13.11 mi12:41:071:48:198:165:58
8:45
#16010
25K
15.53 mi13:02:502:10:028:2221:43
8:57
#16548
30K
18.64 mi13:34:072:41:198:3931:17
10:04
#17680
20M
20.00 mi13:48:152:55:278:4614:08
10:24
#18167
21M
21.00 mi13:59:553:07:078:5511:40
11:40
#18599
35K
21.75 mi14:07:063:14:188:567:11
9:36
#18669
23M
23.00 mi14:19:363:26:488:5912:30
9:59
#18782
24M
24.00 mi14:29:333:36:459:029:57
9:57
#18913
40K
24.85 mi14:38:253:45:379:058:52
10:22
#19036
25.2M
25.20 mi14:42:143:49:269:063:49
11:04
#19080
Finish
26.22 mi14:52:584:00:109:1010:44
10:32
#19342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi14700445644561519147914791
10K6.21 mi3.10 mi14839-1394553-974553-971501446874687
15K9.32 mi3.11 mi14941-1024624-714624-711519147914791
20K12.43 mi3.11 mi15825-8845199-5755199-5751827266576657
Half13.11 mi0.68 mi16010-1855319-1205319-1201924772387238
25K15.53 mi2.42 mi16548-5385665-3465665-3461876470017001
30K18.64 mi3.11 mi17680-11326366-7016366-7012120884638463
20M20.00 mi1.36 mi18167-4876680-3146680-3142152287088708
21M21.00 mi1.00 mi18599-4326928-2486928-2482218390989098
35K21.75 mi0.75 mi18669-706974-466974-462017480318031
23M23.00 mi1.25 mi18782-1137060-867060-861994979247924
24M24.00 mi1.00 mi18913-1317146-867146-862065783558355
40K24.85 mi0.85 mi19036-1237220-747220-742092085518551
25.2M25.20 mi0.35 mi19080-447248-287248-282061683778377
Finish26.22 mi1.02 mi19342-2627403-1557403-1552306896779677

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15191

Females

4791

F40-44

4791

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15014

Females

4687

F40-44

4687

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15191

Females

4791

F40-44

4791

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18272

Females

6657

F40-44

6657

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19247

Females

7238

F40-44

7238

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18764

Females

7001

F40-44

7001

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21208

Females

8463

F40-44

8463

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

21522

Females

8708

F40-44

8708

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22183

Females

9098

F40-44

9098

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20174

Females

8031

F40-44

8031

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19949

Females

7924

F40-44

7924

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20657

Females

8355

F40-44

8355

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20920

Females

8551

F40-44

8551

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20616

Females

8377

F40-44

8377

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23068

Females

9677

F40-44

9677

Passing Analysis

Category:
Athletes Passed
656
Passed By
5298
Net Change
-4642
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14700
5K → 10K235374-139#14700#14839
10K → 15K150252-102#14839#14941
15K → 20K36920-884#14941#15825
20K → Half6191-185#15825#16010
Half → 25K37575-538#16010#16548
25K → 30K271159-1132#16548#17680
30K → 20M15502-487#17680#18167
20M → 21M13445-432#18167#18599
21M → 35K2393-70#18599#18669
35K → 23M49162-113#18669#18782
23M → 24M28159-131#18782#18913
24M → 40K18141-123#18913#19036
40K → 25.2M1054-44#19036#19080
25.2M → Finish9271-262#19080#19342
TOTALS6565298-4642

Passing Charts

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