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BOSTON MARATHON 2023

Courtney Swanson

Bib: 29781•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:25
Rank: #24552
Start → 5K
32:25 | 10:26/mi
10K· 6.21 mi
1:03:50
Rank: #24215 (+337)
5K → 10K
31:25 | 10:07/mi
15K· 9.32 mi
1:36:05
Rank: #24235 (-20)
10K → 15K
32:15 | 10:23/mi
20K· 12.43 mi
2:11:07
Rank: #24502 (-267)
15K → 20K
35:02 | 11:17/mi
Half· 13.11 mi
2:18:52
Rank: #24573 (-71)
20K → Half
7:45 | 11:22/mi
25K· 15.53 mi
2:47:37
Rank: #24695 (-122)
Half → 25K
28:45 | 11:51/mi
30K· 18.64 mi
3:25:44
Rank: #24738 (-43)
25K → 30K
38:07 | 12:16/mi
20M
3:43:03
Rank: #24778 (-40)
30K → 20M
17:19 | 12:45/mi
21M
3:57:58
Rank: #24865 (-87)
20M → 21M
14:55 | 14:55/mi
35K· 21.75 mi
4:07:41
Rank: #24920 (-55)
21M → 35K
9:43 | 12:59/mi
23M
4:25:22
Rank: #25039 (-119)
35K → 23M
17:41 | 14:07/mi
24M
4:39:10
Rank: #25117 (-78)
23M → 24M
13:48 | 13:48/mi
40K· 24.85 mi
4:52:47
Rank: #25220 (-103)
24M → 40K
13:37 | 15:56/mi
25.2M
4:58:09
Rank: #25245 (-25)
40K → 25.2M
5:22 | 15:34/mi
Finish· 26.22 mi
5:10:37
Rank: #25260 (-15)
25.2M → Finish
12:28 | 12:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:52
Pace10:36 /mi
2nd Half
Distance13.11 mi
Time2:51:45
Pace13:06 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4232:2510:2632:25
10:26
-
10K
6.21 mi12:22:071:03:5010:1631:25
10:07
-0:19
15K
9.32 mi12:54:221:36:0510:1932:15
10:23
+0:16
20K
12.43 mi13:29:242:11:0710:3335:02
11:17
+0:54
Half
13.11 mi13:37:092:18:5210:367:45
11:22
+0:05
25K
15.53 mi14:05:542:47:3710:4728:45
11:51
+0:29
30K
18.64 mi14:44:013:25:4411:0238:07
12:16
+0:25
20M
20.00 mi15:01:203:43:0311:0917:19
12:45
+0:29
21M
21.00 mi15:16:153:57:5811:2014:55
14:55
+2:10
35K
21.75 mi15:25:584:07:4111:239:43
12:59
-1:56
23M
23.00 mi15:43:394:25:2211:3217:41
14:07
+1:08
24M
24.00 mi15:57:274:39:1011:3813:48
13:48
-0:19
40K
24.85 mi16:11:044:52:4711:4713:37
15:56
+2:08
25.2M
25.20 mi16:16:264:58:0911:505:22
15:34
-0:22
Finish
26.22 mi16:28:545:10:3711:5112:28
12:14
-3:20

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

10:07 /mi

Average Pace

11:51 /mi

Slowest Pace

15:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:07

42% of race

Time at Steady Pace

1:54:07

37% of race

Time at Slower Pace

1:05:23

21% of race

Average Pace: 11:51 /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 mi11:50:4232:2510:2632:25
10:26
#24552
10K
6.21 mi12:22:071:03:5010:1631:25
10:07
#24215
15K
9.32 mi12:54:221:36:0510:1932:15
10:23
#24235
20K
12.43 mi13:29:242:11:0710:3335:02
11:17
#24502
Half
13.11 mi13:37:092:18:5210:367:45
11:22
#24573
25K
15.53 mi14:05:542:47:3710:4728:45
11:51
#24695
30K
18.64 mi14:44:013:25:4411:0238:07
12:16
#24738
20M
20.00 mi15:01:203:43:0311:0917:19
12:45
#24778
21M
21.00 mi15:16:153:57:5811:2014:55
14:55
#24865
35K
21.75 mi15:25:584:07:4111:239:43
12:59
#24920
23M
23.00 mi15:43:394:25:2211:3217:41
14:07
#25039
24M
24.00 mi15:57:274:39:1011:3813:48
13:48
#25117
40K
24.85 mi16:11:044:52:4711:4713:37
15:56
#25220
25.2M
25.20 mi16:16:264:58:0911:505:22
15:34
#25245
Finish
26.22 mi16:28:545:10:3711:5112:28
12:14
#25260
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24552101901019024247(Top 91%)10030(Top 88%)10030(Top 205%)
10K6.21 mi3.10 mi24215+33710005+18510005+18523936(Top 90%)9853(Top 86%)9853(Top 202%)
15K9.32 mi3.11 mi24235-2010021-1610021-1624247(Top 91%)10030(Top 88%)10030(Top 205%)
20K12.43 mi3.11 mi24502-26710176-15510176-15524978(Top 94%)10466(Top 92%)10466(Top 214%)
Half13.11 mi0.68 mi24573-7110219-4310219-4325351(Top 95%)10699(Top 94%)10699(Top 219%)
25K15.53 mi2.42 mi24695-12210299-8010299-8025041(Top 94%)10537(Top 92%)10537(Top 216%)
30K18.64 mi3.11 mi24738-4310339-4010339-4024783(Top 93%)10445(Top 91%)10445(Top 214%)
20M20.00 mi1.36 mi24778-4010375-3610375-3624957(Top 94%)10580(Top 93%)10580(Top 217%)
21M21.00 mi1.00 mi24865-8710429-5410429-5425684(Top 96%)10943(Top 96%)10943(Top 224%)
35K21.75 mi0.75 mi24920-5510467-3810467-3825554(Top 96%)10923(Top 96%)10923(Top 224%)
23M23.00 mi1.25 mi25039-11910544-7710544-7725906(Top 97%)11101(Top 97%)11101(Top 227%)
24M24.00 mi1.00 mi25117-7810595-5110595-5125977(Top 98%)11150(Top 98%)11150(Top 228%)
40K24.85 mi0.85 mi25220-10310652-5710652-5726395(Top 99%)11335(Top 99%)11335(Top 232%)
25.2M25.20 mi0.35 mi25245-2510664-1210664-1225969(Top 98%)11158(Top 98%)11158(Top 228%)
Finish26.22 mi1.02 mi25260-1510678-1410678-1425453(Top 96%)10892(Top 95%)10892(Top 223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

24247

Females

10030

F18-39

10030

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23936

Females

9853

F18-39

9853

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

24247

Females

10030

F18-39

10030

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

24978

Females

10466

F18-39

10466

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

25351

Females

10699

F18-39

10699

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25041

Females

10537

F18-39

10537

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24783

Females

10445

F18-39

10445

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

24957

Females

10580

F18-39

10580

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25684

Females

10943

F18-39

10943

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25554

Females

10923

F18-39

10923

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25906

Females

11101

F18-39

11101

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

25977

Females

11150

F18-39

11150

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26395

Females

11335

F18-39

11335

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

25969

Females

11158

F18-39

11158

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

25453

Females

10892

F18-39

10892

Passing Analysis

Category:
Athletes Passed
764
Passed By
1472
Net Change
-708
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24552
5K → 10K40164+337#24552#24215
10K → 15K117137-20#24215#24235
15K → 20K34301-267#24235#24502
20K → Half1081-71#24502#24573
Half → 25K42164-122#24573#24695
25K → 30K76119-43#24695#24738
30K → 20M3878-40#24738#24778
20M → 21M693-87#24778#24865
21M → 35K1166-55#24865#24920
35K → 23M7126-119#24920#25039
23M → 24M381-78#25039#25117
24M → 40K2105-103#25117#25220
40K → 25.2M126-25#25220#25245
25.2M → Finish1631-15#25245#25260
TOTALS7641472-708
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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