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BOSTON MARATHON 2023

Virginia Duffy

FL

Bib: 24333 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
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
8:50/mi
27:28
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:10/mi
55:56
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:18/mi
1:24:50
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:35/mi
1:54:37
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:45/mi
2:01:16
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:07/mi
2:25:47
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:59/mi
2:59:53
↑ 181↓ 1480.2%
138 ft elev
20M
11:43/mi
3:15:48
↑ 64↓ 500.2%
148 ft elev
21M
12:51/mi
3:28:39
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:52/mi
3:36:47
↑ 17↓ 861.7%
156 ft elev
23M
12:16/mi
3:52:08
↑ 23↓ 630.6%
116 ft elev
24M
11:30/mi
4:03:38
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:10/mi
4:14:02
↓ 200.3%
20 ft elev
25.2M
12:11/mi
4:18:14
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:33/mi
4:30:00
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:16
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:28:44
Pace11:21 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4627:288:5027:28
8:50
-
10K
6.21 mi12:11:1455:569:0028:28
9:10
+0:20
15K
9.32 mi12:40:081:24:509:0628:54
9:18
+0:08
20K
12.43 mi13:09:551:54:379:1329:47
9:35
+0:17
Half
13.11 mi13:16:342:01:169:156:39
9:45
+0:10
25K
15.53 mi13:41:052:25:479:2324:31
10:07
+0:22
30K
18.64 mi14:15:112:59:539:3934:06
10:59
+0:52
20M
20.00 mi14:31:063:15:489:4715:55
11:43
+0:44
21M
21.00 mi14:43:573:28:399:5612:51
12:51
+1:08
35K
21.75 mi14:52:053:36:479:588:08
10:52
-1:59
23M
23.00 mi15:07:263:52:0810:0615:21
12:16
+1:24
24M
24.00 mi15:18:564:03:3810:0911:30
11:30
-0:46
40K
24.85 mi15:29:204:14:0210:1310:24
12:10
+0:40
25.2M
25.20 mi15:33:324:18:1410:154:12
12:11
+0:01
Finish
26.22 mi15:45:184:30:0010:1811:46
11:33
-0:38

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

8:50 /mi

Average Pace

10:18 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:47

54% of race

Time at Steady Pace

1:05:30

24% of race

Time at Slower Pace

58:43

22% of race

Average Pace: 10:18 /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 mi11:42:4627:288:5027:28
8:50
#19699
10K
6.21 mi12:11:1455:569:0028:28
9:10
#20664
15K
9.32 mi12:40:081:24:509:0628:54
9:18
#21039
20K
12.43 mi13:09:551:54:379:1329:47
9:35
#21263
Half
13.11 mi13:16:342:01:169:156:39
9:45
#21348
25K
15.53 mi13:41:052:25:479:2324:31
10:07
#21552
30K
18.64 mi14:15:112:59:539:3934:06
10:59
#21923
20M
20.00 mi14:31:063:15:489:4715:55
11:43
#22130
21M
21.00 mi14:43:573:28:399:5612:51
12:51
#22263
35K
21.75 mi14:52:053:36:479:588:08
10:52
#22299
23M
23.00 mi15:07:263:52:0810:0615:21
12:16
#22473
24M
24.00 mi15:18:564:03:3810:0911:30
11:30
#22541
40K
24.85 mi15:29:204:14:0210:1310:24
12:10
#22619
25.2M
25.20 mi15:33:324:18:1410:154:12
12:11
#22624
Finish
26.22 mi15:45:184:30:0010:1811:46
11:33
#22730
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi196997641764121647(Top 81%)8584(Top 75%)8584(Top 1629%)
10K6.21 mi3.10 mi20664-9658127-4868127-48621515(Top 81%)8566(Top 75%)8566(Top 1625%)
15K9.32 mi3.11 mi21039-3758308-1818308-18121647(Top 81%)8584(Top 75%)8584(Top 1629%)
20K12.43 mi3.11 mi21263-2248413-1058413-10521818(Top 82%)8693(Top 76%)8693(Top 1650%)
Half13.11 mi0.68 mi21348-858463-508463-5022773(Top 86%)9228(Top 81%)9228(Top 1751%)
25K15.53 mi2.42 mi21552-2048576-1138576-11322458(Top 84%)9092(Top 80%)9092(Top 1725%)
30K18.64 mi3.11 mi21923-3718797-2218797-22123055(Top 87%)9483(Top 83%)9483(Top 1799%)
20M20.00 mi1.36 mi22130-2078923-1268923-12623831(Top 90%)9979(Top 87%)9979(Top 1894%)
21M21.00 mi1.00 mi22263-1339007-849007-8423912(Top 90%)10036(Top 88%)10036(Top 1904%)
35K21.75 mi0.75 mi22299-369035-289035-2823075(Top 87%)9629(Top 84%)9629(Top 1827%)
23M23.00 mi1.25 mi22473-1749139-1049139-10424317(Top 91%)10294(Top 90%)10294(Top 1953%)
24M24.00 mi1.00 mi22541-689187-489187-4823870(Top 90%)10090(Top 88%)10090(Top 1915%)
40K24.85 mi0.85 mi22619-789241-549241-5424083(Top 90%)10215(Top 89%)10215(Top 1938%)
25.2M25.20 mi0.35 mi22624-59245-49245-422822(Top 86%)9560(Top 84%)9560(Top 1814%)
Finish26.22 mi1.02 mi22730-1069303-589303-5824732(Top 93%)10522(Top 92%)10522(Top 1997%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21647

Females

8584

F60-64

8584

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21515

Females

8566

F60-64

8566

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21647

Females

8584

F60-64

8584

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21818

Females

8693

F60-64

8693

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22773

Females

9228

F60-64

9228

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22458

Females

9092

F60-64

9092

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23055

Females

9483

F60-64

9483

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23831

Females

9979

F60-64

9979

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23912

Females

10036

F60-64

10036

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23075

Females

9629

F60-64

9629

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24317

Females

10294

F60-64

10294

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23870

Females

10090

F60-64

10090

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24083

Females

10215

F60-64

10215

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22822

Females

9560

F60-64

9560

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24732

Females

10522

F60-64

10522

Passing Analysis

Category:
Athletes Passed
427
Passed By
3458
Net Change
-3031
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19699
5K → 10K501015-965#19699#20664
10K → 15K59434-375#20664#21039
15K → 20K72296-224#21039#21263
20K → Half994-85#21263#21348
Half → 25K48252-204#21348#21552
25K → 30K55426-371#21552#21923
30K → 20M19226-207#21923#22130
20M → 21M17150-133#22130#22263
21M → 35K2157-36#22263#22299
35K → 23M23197-174#22299#22473
23M → 24M1886-68#22473#22541
24M → 40K987-78#22541#22619
40K → 25.2M1520-5#22619#22624
25.2M → Finish12118-106#22624#22730
TOTALS4273458-3031
📊

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