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BOSTON MARATHON 2023

Courtney Smith

Bib: 19056•F

ON

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 40%
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
8:01/mi
24:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
49:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:47/mi
1:13:38
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:37:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:43:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:01:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:26:46
↑ 181↓ 1480.2%
20M
8:03/mi
2:37:43
↑ 64↓ 500.2%
21M
8:18/mi
2:46:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:51:47
↑ 17↓ 861.7%
23M
8:00/mi
3:01:48
↑ 23↓ 630.6%
24M
7:44/mi
3:09:32
↓ 821.3%
40K· 24.85 mi
7:53/mi
3:16:16
↓ 200.3%
25.2M
8:30/mi
3:19:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:27:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:00
Pace7:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:00
Pace7:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3924:548:0124:54
8:01
-
10K
6.21 mi11:41:1249:277:5724:33
7:54
-0:07
15K
9.32 mi12:05:231:13:387:5424:11
7:47
-0:07
20K
12.43 mi12:29:311:37:467:5224:08
7:46
-0:01
Half
13.11 mi12:34:451:43:007:515:14
7:40
-0:06
25K
15.53 mi12:53:392:01:547:5118:54
7:48
+0:08
30K
18.64 mi13:18:312:26:467:5224:52
8:00
+0:12
20M
20.00 mi13:29:282:37:437:5310:57
8:03
+0:03
21M
21.00 mi13:37:462:46:017:548:18
8:18
+0:15
35K
21.75 mi13:43:322:51:477:545:46
7:42
-0:36
23M
23.00 mi13:53:333:01:487:5410:01
8:00
+0:18
24M
24.00 mi14:01:173:09:327:547:44
7:44
-0:16
40K
24.85 mi14:08:013:16:167:546:44
7:53
+0:09
25.2M
25.20 mi14:10:573:19:127:542:56
8:30
+0:37
Finish
26.22 mi14:18:453:27:007:547:48
7:39
-0:51

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

7:39 /mi

Average Pace

7:54 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:04

99% of race

Time at Steady Pace

2:56

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:16:3924:548:0124:54
8:01
#14124
10K
6.21 mi11:41:1249:277:5724:33
7:54
#14064
15K
9.32 mi12:05:231:13:387:5424:11
7:47
#13572
20K
12.43 mi12:29:311:37:467:5224:08
7:46
#13014
Half
13.11 mi12:34:451:43:007:515:14
7:40
#12939
25K
15.53 mi12:53:392:01:547:5118:54
7:48
#12575
30K
18.64 mi13:18:312:26:467:5224:52
8:00
#12241
20M
20.00 mi13:29:282:37:437:5310:57
8:03
#12095
21M
21.00 mi13:37:462:46:017:548:18
8:18
#11917
35K
21.75 mi13:43:322:51:477:545:46
7:42
#11839
23M
23.00 mi13:53:333:01:487:5410:01
8:00
#11680
24M
24.00 mi14:01:173:09:327:547:44
7:44
#11564
40K
24.85 mi14:08:013:16:167:546:44
7:53
#11450
25.2M
25.20 mi14:10:573:19:127:542:56
8:30
#11410
Finish
26.22 mi14:18:453:27:007:547:48
7:39
#11292
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi141244102410212599(Top 47%)3234(Top 28%)3234(Top 66%)
10K6.21 mi3.10 mi14064+604076+264076+2614007(Top 53%)4046(Top 35%)4046(Top 83%)
15K9.32 mi3.11 mi13572+4923801+2753801+27512599(Top 47%)3234(Top 28%)3234(Top 66%)
20K12.43 mi3.11 mi13014+5583490+3113490+31111474(Top 43%)2672(Top 23%)2672(Top 55%)
Half13.11 mi0.68 mi12939+753448+423448+4211685(Top 44%)2729(Top 24%)2729(Top 56%)
25K15.53 mi2.42 mi12575+3643270+1783270+17811070(Top 42%)2518(Top 22%)2518(Top 52%)
30K18.64 mi3.11 mi12241+3343120+1503120+15010953(Top 41%)2614(Top 23%)2614(Top 54%)
20M20.00 mi1.36 mi12095+1463055+653055+6510735(Top 40%)2603(Top 23%)2603(Top 53%)
21M21.00 mi1.00 mi11917+1782961+942961+949265(Top 35%)2042(Top 18%)2042(Top 42%)
35K21.75 mi0.75 mi11839+782936+252936+2510052(Top 38%)2390(Top 21%)2390(Top 49%)
23M23.00 mi1.25 mi11680+1592868+682868+689769(Top 37%)2396(Top 21%)2396(Top 49%)
24M24.00 mi1.00 mi11564+1162823+452823+459334(Top 35%)2264(Top 20%)2264(Top 46%)
40K24.85 mi0.85 mi11450+1142785+382785+389211(Top 35%)2273(Top 20%)2273(Top 47%)
25.2M25.20 mi0.35 mi11410+402778+72778+79656(Top 36%)2539(Top 22%)2539(Top 52%)
Finish26.22 mi1.02 mi11292+1182735+432735+439689(Top 36%)2568(Top 22%)2568(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12599

Females

3234

F18-39

3234

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14007

Females

4046

F18-39

4046

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12599

Females

3234

F18-39

3234

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11474

Females

2672

F18-39

2672

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11685

Females

2729

F18-39

2729

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11070

Females

2518

F18-39

2518

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10953

Females

2614

F18-39

2614

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10735

Females

2603

F18-39

2603

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9265

Females

2042

F18-39

2042

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10052

Females

2390

F18-39

2390

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9769

Females

2396

F18-39

2396

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9334

Females

2264

F18-39

2264

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9211

Females

2273

F18-39

2273

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9656

Females

2539

F18-39

2539

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9689

Females

2568

F18-39

2568

Passing Analysis

Category:
Athletes Passed
3356
Passed By
524
Net Change
+2832
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14124
5K → 10K313253+60#14124#14064
10K → 15K52937+492#14064#13572
15K → 20K57517+558#13572#13014
20K → Half783+75#13014#12939
Half → 25K3717+364#12939#12575
25K → 30K38753+334#12575#12241
30K → 20M17529+146#12241#12095
20M → 21M19921+178#12095#11917
21M → 35K9214+78#11917#11839
35K → 23M18324+159#11839#11680
23M → 24M13317+116#11680#11564
24M → 40K12814+114#11564#11450
40K → 25.2M5515+40#11450#11410
25.2M → Finish13820+118#11410#11292
TOTALS3356524+2832
📊

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