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BOSTON MARATHON 2023

Valerie Gordon

Bib: 21549•F

NV

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
8:46/mi
27:15
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
54:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:50/mi
1:22:19
↑ 67↓ 78
20K· 12.43 mi
9:08/mi
1:50:43
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:56:43
↑ 19↓ 370.5%
25K· 15.53 mi
9:00/mi
2:18:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:16/mi
2:47:20
↑ 181↓ 1480.2%
20M
9:03/mi
2:59:38
↑ 64↓ 500.2%
21M
9:25/mi
3:09:03
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
3:15:56
↑ 17↓ 861.7%
23M
8:55/mi
3:27:06
↑ 23↓ 630.6%
24M
8:51/mi
3:35:57
↓ 821.3%
40K· 24.85 mi
9:23/mi
3:43:58
↓ 200.3%
25.2M
9:49/mi
3:47:21
↑ 13↓ 160.2%
Finish· 26.22 mi
8:38/mi
3:56:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:43
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time1:59:26
Pace9:07 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3627:158:4627:15
8:46
-
10K
6.21 mi11:48:1454:538:5027:38
8:54
+0:08
15K
9.32 mi12:15:401:22:198:5027:26
8:50
-0:04
20K
12.43 mi12:44:041:50:438:5528:24
9:08
+0:18
Half
13.11 mi12:50:041:56:438:546:00
8:48
-0:20
25K
15.53 mi13:11:532:18:328:5521:49
9:00
+0:12
30K
18.64 mi13:40:412:47:208:5928:48
9:16
+0:16
20M
20.00 mi13:52:592:59:388:5912:18
9:03
-0:13
21M
21.00 mi14:02:243:09:039:009:25
9:25
+0:22
35K
21.75 mi14:09:173:15:569:016:53
9:12
-0:13
23M
23.00 mi14:20:273:27:069:0011:10
8:55
-0:17
24M
24.00 mi14:29:183:35:579:008:51
8:51
-0:04
40K
24.85 mi14:37:193:43:589:018:01
9:23
+0:32
25.2M
25.20 mi14:40:423:47:219:013:23
9:49
+0:26
Finish
26.22 mi14:49:303:56:099:018:48
8:38
-1:11

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

8:38 /mi

Average Pace

9:01 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:52:46

99% of race

Time at Steady Pace

3:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:00 /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 mi11:20:3627:158:4627:15
8:46
#19305
10K
6.21 mi11:48:1454:538:5027:38
8:54
#19843
15K
9.32 mi12:15:401:22:198:5027:26
8:50
#19774
20K
12.43 mi12:44:041:50:438:5528:24
9:08
#19903
Half
13.11 mi12:50:041:56:438:546:00
8:48
#19866
25K
15.53 mi13:11:532:18:328:5521:49
9:00
#19714
30K
18.64 mi13:40:412:47:208:5928:48
9:16
#19482
20M
20.00 mi13:52:592:59:388:5912:18
9:03
#19277
21M
21.00 mi14:02:243:09:039:009:25
9:25
#19069
35K
21.75 mi14:09:173:15:569:016:53
9:12
#19054
23M
23.00 mi14:20:273:27:069:0011:10
8:55
#18856
24M
24.00 mi14:29:183:35:579:008:51
8:51
#18739
40K
24.85 mi14:37:193:43:589:018:01
9:23
#18718
25.2M
25.20 mi14:40:423:47:219:013:23
9:49
#18686
Finish
26.22 mi14:49:303:56:099:018:48
8:38
#18590
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi193057390739019675(Top 74%)7492(Top 66%)7492(Top 621%)
10K6.21 mi3.10 mi19843-5387675-2857675-28520401(Top 77%)7922(Top 69%)7922(Top 656%)
15K9.32 mi3.11 mi19774+697604+717604+7119675(Top 74%)7492(Top 66%)7492(Top 621%)
20K12.43 mi3.11 mi19903-1297663-597663-5920325(Top 76%)7853(Top 69%)7853(Top 651%)
Half13.11 mi0.68 mi19866+377642+217642+2119480(Top 73%)7358(Top 64%)7358(Top 610%)
25K15.53 mi2.42 mi19714+1527547+957547+9518946(Top 71%)7098(Top 62%)7098(Top 588%)
30K18.64 mi3.11 mi19482+2327418+1297418+12918488(Top 69%)6912(Top 61%)6912(Top 573%)
20M20.00 mi1.36 mi19277+2057319+997319+9916837(Top 63%)6062(Top 53%)6062(Top 502%)
21M21.00 mi1.00 mi19069+2087210+1097210+10915603(Top 59%)5417(Top 47%)5417(Top 449%)
35K21.75 mi0.75 mi19054+157204+67204+618758(Top 70%)7248(Top 63%)7248(Top 600%)
23M23.00 mi1.25 mi18856+1987107+977107+9715659(Top 59%)5557(Top 49%)5557(Top 460%)
24M24.00 mi1.00 mi18739+1177052+557052+5516523(Top 62%)6099(Top 53%)6099(Top 505%)
40K24.85 mi0.85 mi18718+217047+57047+517875(Top 67%)6883(Top 60%)6883(Top 570%)
25.2M25.20 mi0.35 mi18686+327038+97038+916672(Top 63%)6261(Top 55%)6261(Top 519%)
Finish26.22 mi1.02 mi18590+966989+496989+4916208(Top 61%)5950(Top 52%)5950(Top 493%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

19675

Females

7492

F50-54

7492

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20401

Females

7922

F50-54

7922

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

19675

Females

7492

F50-54

7492

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20325

Females

7853

F50-54

7853

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19480

Females

7358

F50-54

7358

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18946

Females

7098

F50-54

7098

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18488

Females

6912

F50-54

6912

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16837

Females

6062

F50-54

6062

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15603

Females

5417

F50-54

5417

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18758

Females

7248

F50-54

7248

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15659

Females

5557

F50-54

5557

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16523

Females

6099

F50-54

6099

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17875

Females

6883

F50-54

6883

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16672

Females

6261

F50-54

6261

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16208

Females

5950

F50-54

5950

Passing Analysis

Category:
Athletes Passed
2035
Passed By
1320
Net Change
+715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19305
5K → 10K131669-538#19305#19843
10K → 15K210141+69#19843#19774
15K → 20K132261-129#19774#19903
20K → Half4912+37#19903#19866
Half → 25K19947+152#19866#19714
25K → 30K29058+232#19714#19482
30K → 20M21510+205#19482#19277
20M → 21M2157+208#19277#19069
21M → 35K4631+15#19069#19054
35K → 23M2046+198#19054#18856
23M → 24M13114+117#18856#18739
24M → 40K5938+21#18739#18718
40K → 25.2M408+32#18718#18686
25.2M → Finish11418+96#18686#18590
TOTALS20351320+715
📊

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