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BOSTON MARATHON 2023

Genevieve Boucher

Bib: 17901•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Masters (Masters Women)
#0 / 6539
Top 27%
Division (F40-44)
#0 / 1878
Top 47%
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
8:15/mi
25:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
51:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:16:45
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:42:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:47:41
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:07:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:33:43
↑ 181↓ 1480.2%
20M
8:35/mi
2:45:23
↑ 64↓ 500.2%
21M
8:56/mi
2:54:19
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
3:00:34
↑ 17↓ 861.7%
23M
8:30/mi
3:11:12
↑ 23↓ 630.6%
24M
8:22/mi
3:19:34
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:26:45
↓ 200.3%
25.2M
8:54/mi
3:29:49
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:37:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:41
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3325:398:1525:39
8:15
-
10K
6.21 mi11:42:0951:158:1525:36
8:14
-0:01
15K
9.32 mi12:07:391:16:458:1425:30
8:12
-0:02
20K
12.43 mi12:33:051:42:118:1325:26
8:11
-0:01
Half
13.11 mi12:38:351:47:418:135:30
8:04
-0:07
25K
15.53 mi12:58:292:07:358:1319:54
8:12
+0:08
30K
18.64 mi13:24:372:33:438:1526:08
8:25
+0:13
20M
20.00 mi13:36:172:45:238:1611:40
8:35
+0:10
21M
21.00 mi13:45:132:54:198:188:56
8:56
+0:21
35K
21.75 mi13:51:283:00:348:186:15
8:21
-0:35
23M
23.00 mi14:02:063:11:128:1910:38
8:30
+0:09
24M
24.00 mi14:10:283:19:348:198:22
8:22
-0:08
40K
24.85 mi14:17:393:26:458:197:11
8:24
+0:02
25.2M
25.20 mi14:20:433:29:498:203:04
8:54
+0:30
Finish
26.22 mi14:28:423:37:488:197:59
7:50
-1:04

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

7:50 /mi

Average Pace

8:19 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:48

94% of race

Time at Steady Pace

12:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:18 /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 mi11:16:3325:398:1525:39
8:15
#15861
10K
6.21 mi11:42:0951:158:1525:36
8:14
#16173
15K
9.32 mi12:07:391:16:458:1425:30
8:12
#16075
20K
12.43 mi12:33:051:42:118:1325:26
8:11
#15730
Half
13.11 mi12:38:351:47:418:135:30
8:04
#15682
25K
15.53 mi12:58:292:07:358:1319:54
8:12
#15439
30K
18.64 mi13:24:372:33:438:1526:08
8:25
#15102
20M
20.00 mi13:36:172:45:238:1611:40
8:35
#15032
21M
21.00 mi13:45:132:54:198:188:56
8:56
#14899
35K
21.75 mi13:51:283:00:348:186:15
8:21
#14862
23M
23.00 mi14:02:063:11:128:1910:38
8:30
#14763
24M
24.00 mi14:10:283:19:348:198:22
8:22
#14685
40K
24.85 mi14:17:393:26:458:197:11
8:24
#14588
25.2M
25.20 mi14:20:433:29:498:203:04
8:54
#14540
Finish
26.22 mi14:28:423:37:488:197:59
7:50
#14388
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi158615186518615913(Top 60%)5239(Top 46%)5239(Top 279%)
10K6.21 mi3.10 mi16173-3125381-1955381-19516523(Top 62%)5588(Top 49%)5588(Top 298%)
15K9.32 mi3.11 mi16075+985330+515330+5115913(Top 60%)5239(Top 46%)5239(Top 279%)
20K12.43 mi3.11 mi15730+3455134+1965134+19614895(Top 56%)4644(Top 41%)4644(Top 247%)
Half13.11 mi0.68 mi15682+485111+235111+2314915(Top 56%)4635(Top 41%)4635(Top 247%)
25K15.53 mi2.42 mi15439+2434989+1224989+12214299(Top 54%)4391(Top 38%)4391(Top 234%)
30K18.64 mi3.11 mi15102+3374822+1674822+16713773(Top 52%)4199(Top 37%)4199(Top 224%)
20M20.00 mi1.36 mi15032+704792+304792+3014184(Top 53%)4526(Top 40%)4526(Top 241%)
21M21.00 mi1.00 mi14899+1334729+634729+6313059(Top 49%)3980(Top 35%)3980(Top 212%)
35K21.75 mi0.75 mi14862+374727+24727+214461(Top 54%)4813(Top 42%)4813(Top 256%)
23M23.00 mi1.25 mi14763+994693+344693+3413196(Top 50%)4181(Top 37%)4181(Top 223%)
24M24.00 mi1.00 mi14685+784668+254668+2513671(Top 51%)4490(Top 39%)4490(Top 239%)
40K24.85 mi0.85 mi14588+974633+354633+3512749(Top 48%)4087(Top 36%)4087(Top 218%)
25.2M25.20 mi0.35 mi14540+484613+204613+2012007(Top 45%)3745(Top 33%)3745(Top 199%)
Finish26.22 mi1.02 mi14388+1524536+774536+7710982(Top 41%)3190(Top 28%)3190(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15913

Females

5239

F40-44

5239

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16523

Females

5588

F40-44

5588

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15913

Females

5239

F40-44

5239

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14895

Females

4644

F40-44

4644

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14915

Females

4635

F40-44

4635

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14299

Females

4391

F40-44

4391

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13773

Females

4199

F40-44

4199

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14184

Females

4526

F40-44

4526

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13059

Females

3980

F40-44

3980

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14461

Females

4813

F40-44

4813

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13196

Females

4181

F40-44

4181

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13671

Females

4490

F40-44

4490

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12749

Females

4087

F40-44

4087

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12007

Females

3745

F40-44

3745

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10982

Females

3190

F40-44

3190

Passing Analysis

Category:
Athletes Passed
2413
Passed By
940
Net Change
+1473
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15861
5K → 10K170482-312#15861#16173
10K → 15K246148+98#16173#16075
15K → 20K38843+345#16075#15730
20K → Half579+48#15730#15682
Half → 25K26623+243#15682#15439
25K → 30K37639+337#15439#15102
30K → 20M11343+70#15102#15032
20M → 21M15825+133#15032#14899
21M → 35K6730+37#14899#14862
35K → 23M13738+99#14862#14763
23M → 24M10628+78#14763#14685
24M → 40K11518+97#14685#14588
40K → 25.2M546+48#14588#14540
25.2M → Finish1608+152#14540#14388
TOTALS2413940+1473
📊

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