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BOSTON MARATHON 2023

Courtney Perna

Bib: 11494•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F45-49)
#0 / 1817
Top 8%
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
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
45:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:08:06
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:30:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:35:45
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:53:36
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:17:24
↑ 181↓ 1480.2%
20M
7:55/mi
2:28:09
↑ 64↓ 500.2%
21M
8:55/mi
2:37:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:42:58
↑ 17↓ 861.7%
23M
9:03/mi
2:54:18
↑ 23↓ 630.6%
24M
8:12/mi
3:02:30
↓ 821.3%
40K· 24.85 mi
9:26/mi
3:10:34
↓ 200.3%
25.2M
10:21/mi
3:14:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
3:23:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:45
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:47:41
Pace8:13 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2523:027:2523:02
7:25
-
10K
6.21 mi11:12:5745:347:2022:32
7:15
-0:10
15K
9.32 mi11:35:291:08:067:1822:32
7:15
0:00
20K
12.43 mi11:58:091:30:467:1822:40
7:18
+0:03
Half
13.11 mi12:03:081:35:457:184:59
7:18
0:00
25K
15.53 mi12:20:591:53:367:1917:51
7:22
+0:04
30K
18.64 mi12:44:472:17:247:2223:48
7:40
+0:18
20M
20.00 mi12:55:322:28:097:2410:45
7:55
+0:15
21M
21.00 mi13:04:272:37:047:298:55
8:55
+1:00
35K
21.75 mi13:10:212:42:587:305:54
7:53
-1:02
23M
23.00 mi13:21:412:54:187:3511:20
9:03
+1:10
24M
24.00 mi13:29:533:02:307:368:12
8:12
-0:51
40K
24.85 mi13:37:573:10:347:408:04
9:26
+1:14
25.2M
25.20 mi13:41:313:14:087:423:34
10:21
+0:55
Finish
26.22 mi13:50:493:23:267:469:18
9:08
-1:13

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

7:15 /mi

Average Pace

7:46 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:34

45% of race

Time at Steady Pace

1:11:41

35% of race

Time at Slower Pace

41:11

20% of race

Average Pace: 7:46 /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 mi10:50:2523:027:2523:02
7:25
#8940
10K
6.21 mi11:12:5745:347:2022:32
7:15
#8679
15K
9.32 mi11:35:291:08:067:1822:32
7:15
#8509
20K
12.43 mi11:58:091:30:467:1822:40
7:18
#8281
Half
13.11 mi12:03:081:35:457:184:59
7:18
#8292
25K
15.53 mi12:20:591:53:367:1917:51
7:22
#8165
30K
18.64 mi12:44:472:17:247:2223:48
7:40
#8160
20M
20.00 mi12:55:322:28:097:2410:45
7:55
#8224
21M
21.00 mi13:04:272:37:047:298:55
8:55
#8505
35K
21.75 mi13:10:212:42:587:305:54
7:53
#8597
23M
23.00 mi13:21:412:54:187:3511:20
9:03
#9067
24M
24.00 mi13:29:533:02:307:368:12
8:12
#9184
40K
24.85 mi13:37:573:10:347:408:04
9:26
#9565
25.2M
25.20 mi13:41:313:14:087:423:34
10:21
#9759
Finish
26.22 mi13:50:493:23:267:469:18
9:08
#10178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi8940137813788205(Top 31%)1150(Top 10%)1150(Top 63%)
10K6.21 mi3.10 mi8679+2611284+941284+948526(Top 32%)1241(Top 11%)1241(Top 68%)
15K9.32 mi3.11 mi8509+1701227+571227+578205(Top 31%)1150(Top 10%)1150(Top 63%)
20K12.43 mi3.11 mi8281+2281149+781149+787772(Top 29%)1026(Top 9%)1026(Top 56%)
Half13.11 mi0.68 mi8292-111155-61155-68730(Top 33%)1390(Top 12%)1390(Top 76%)
25K15.53 mi2.42 mi8165+1271142+131142+137735(Top 29%)1102(Top 10%)1102(Top 61%)
30K18.64 mi3.11 mi8160+51180-381180-388388(Top 32%)1468(Top 13%)1468(Top 81%)
20M20.00 mi1.36 mi8224-641219-391219-399654(Top 36%)2089(Top 18%)2089(Top 115%)
21M21.00 mi1.00 mi8505-2811340-1211340-12112940(Top 49%)3904(Top 34%)3904(Top 215%)
35K21.75 mi0.75 mi8597-921385-451385-4511310(Top 42%)3017(Top 26%)3017(Top 166%)
23M23.00 mi1.25 mi9067-4701597-2121597-21216313(Top 61%)5913(Top 52%)5913(Top 325%)
24M24.00 mi1.00 mi9184-1171668-711668-7112597(Top 47%)3897(Top 34%)3897(Top 214%)
40K24.85 mi0.85 mi9565-3811851-1831851-18318098(Top 68%)6984(Top 61%)6984(Top 384%)
25.2M25.20 mi0.35 mi9759-1941959-1081959-10818610(Top 70%)7272(Top 64%)7272(Top 400%)
Finish26.22 mi1.02 mi10178-4192187-2282187-22818573(Top 70%)7203(Top 63%)7203(Top 396%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8205

Females

1150

F45-49

1150

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8526

Females

1241

F45-49

1241

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8205

Females

1150

F45-49

1150

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7772

Females

1026

F45-49

1026

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8730

Females

1390

F45-49

1390

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7735

Females

1102

F45-49

1102

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8388

Females

1468

F45-49

1468

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9654

Females

2089

F45-49

2089

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12940

Females

3904

F45-49

3904

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11310

Females

3017

F45-49

3017

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16313

Females

5913

F45-49

5913

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12597

Females

3897

F45-49

3897

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18098

Females

6984

F45-49

6984

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18610

Females

7272

F45-49

7272

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18573

Females

7203

F45-49

7203

Passing Analysis

Category:
Athletes Passed
1393
Passed By
2630
Net Change
-1238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8940
5K → 10K405144+261#8940#8679
10K → 15K23464+170#8679#8509
15K → 20K25729+228#8509#8281
20K → Half1526-11#8281#8292
Half → 25K17245+127#8292#8165
25K → 30K139134+5#8165#8160
30K → 20M66130-64#8160#8224
20M → 21M19300-281#8224#8505
21M → 35K16108-92#8505#8597
35K → 23M14484-470#8597#9067
23M → 24M32149-117#9067#9184
24M → 40K9390-381#9184#9565
40K → 25.2M7201-194#9565#9759
25.2M → Finish8426-419#9759#10178
TOTALS13932630-1238
📊

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