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BOSTON MARATHON 2023

Ashley Castle

Bib: 26164•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
29:47
Rank: #22342
Start → 5K
29:47 | 9:35/mi
10K· 6.21 mi
1:00:05
Rank: #22805 (-463)
5K → 10K
30:18 | 9:45/mi
15K· 9.32 mi
1:30:46
Rank: #22986 (-181)
10K → 15K
30:41 | 9:53/mi
20K· 12.43 mi
2:01:15
Rank: #22817 (+169)
15K → 20K
30:29 | 9:49/mi
Half· 13.11 mi
2:08:00
Rank: #22836 (-19)
20K → Half
6:45 | 9:54/mi
25K· 15.53 mi
2:32:15
Rank: #22723 (+113)
Half → 25K
24:15 | 10:00/mi
30K· 18.64 mi
3:04:34
Rank: #22560 (+163)
25K → 30K
32:19 | 10:24/mi
20M
3:20:41
Rank: #22713 (-153)
30K → 20M
16:07 | 11:52/mi
21M
3:31:20
Rank: #22575 (+138)
20M → 21M
10:39 | 10:39/mi
35K· 21.75 mi
3:39:17
Rank: #22564 (+11)
21M → 35K
7:57 | 10:38/mi
23M
3:53:04
Rank: #22558 (+6)
35K → 23M
13:47 | 11:01/mi
24M
4:03:42
Rank: #22546 (+12)
23M → 24M
10:38 | 10:38/mi
40K· 24.85 mi
4:12:25
Rank: #22469 (+77)
24M → 40K
8:43 | 10:12/mi
25.2M
4:16:22
Rank: #22453 (+16)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:26:06
Rank: #22396 (+57)
25.2M → Finish
9:44 | 9:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:00
Pace9:46 /mi
2nd Half
Distance13.11 mi
Time2:18:06
Pace10:32 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2729:479:3529:47
9:35
-
10K
6.21 mi12:23:451:00:059:4030:18
9:45
+0:10
15K
9.32 mi12:54:261:30:469:4430:41
9:53
+0:08
20K
12.43 mi13:24:552:01:159:4530:29
9:49
-0:04
Half
13.11 mi13:31:402:08:009:466:45
9:54
+0:05
25K
15.53 mi13:55:552:32:159:4824:15
10:00
+0:06
30K
18.64 mi14:28:143:04:349:5432:19
10:24
+0:24
20M
20.00 mi14:44:213:20:4110:0216:07
11:52
+1:28
21M
21.00 mi14:55:003:31:2010:0410:39
10:39
-1:13
35K
21.75 mi15:02:573:39:1710:057:57
10:38
-0:01
23M
23.00 mi15:16:443:53:0410:0813:47
11:01
+0:23
24M
24.00 mi15:27:224:03:4210:0910:38
10:38
-0:23
40K
24.85 mi15:36:054:12:2510:098:43
10:12
-0:26
25.2M
25.20 mi15:40:024:16:2210:103:57
11:27
+1:15
Finish
26.22 mi15:49:464:26:0610:099:44
9:33
-1:54

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

9:33 /mi

Average Pace

10:09 /mi

Slowest Pace

11:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:18

38% of race

Time at Steady Pace

1:42:43

39% of race

Time at Slower Pace

1:03:05

24% of race

Average Pace: 10:09 /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 mi11:53:2729:479:3529:47
9:35
#22342
10K
6.21 mi12:23:451:00:059:4030:18
9:45
#22805
15K
9.32 mi12:54:261:30:469:4430:41
9:53
#22986
20K
12.43 mi13:24:552:01:159:4530:29
9:49
#22817
Half
13.11 mi13:31:402:08:009:466:45
9:54
#22836
25K
15.53 mi13:55:552:32:159:4824:15
10:00
#22723
30K
18.64 mi14:28:143:04:349:5432:19
10:24
#22560
20M
20.00 mi14:44:213:20:4110:0216:07
11:52
#22713
21M
21.00 mi14:55:003:31:2010:0410:39
10:39
#22575
35K
21.75 mi15:02:573:39:1710:057:57
10:38
#22564
23M
23.00 mi15:16:443:53:0410:0813:47
11:01
#22558
24M
24.00 mi15:27:224:03:4210:0910:38
10:38
#22546
40K
24.85 mi15:36:054:12:2510:098:43
10:12
#22469
25.2M
25.20 mi15:40:024:16:2210:103:57
11:27
#22453
Finish
26.22 mi15:49:464:26:0610:099:44
9:33
#22396
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223429048904823249(Top 87%)9472(Top 83%)9472(Top 194%)
10K6.21 mi3.10 mi22805-4639257-2099257-20923168(Top 87%)9423(Top 82%)9423(Top 193%)
15K9.32 mi3.11 mi22986-1819348-919348-9123249(Top 87%)9472(Top 83%)9472(Top 194%)
20K12.43 mi3.11 mi22817+1699252+969252+9622442(Top 84%)9049(Top 79%)9049(Top 185%)
Half13.11 mi0.68 mi22836-199262-109262-1023080(Top 87%)9393(Top 82%)9393(Top 192%)
25K15.53 mi2.42 mi22723+1139219+439219+4322231(Top 84%)8963(Top 78%)8963(Top 184%)
30K18.64 mi3.11 mi22560+1639167+529167+5222008(Top 83%)8915(Top 78%)8915(Top 183%)
20M20.00 mi1.36 mi22713-1539251-849251-8424023(Top 90%)10094(Top 88%)10094(Top 207%)
21M21.00 mi1.00 mi22575+1389181+709181+7020032(Top 75%)7955(Top 70%)7955(Top 163%)
35K21.75 mi0.75 mi22564+119180+19180+122642(Top 85%)9388(Top 82%)9388(Top 192%)
23M23.00 mi1.25 mi22558+69190-109190-1022370(Top 84%)9253(Top 81%)9253(Top 189%)
24M24.00 mi1.00 mi22546+129189+19189+122310(Top 84%)9262(Top 81%)9262(Top 190%)
40K24.85 mi0.85 mi22469+779154+359154+3520492(Top 77%)8333(Top 73%)8333(Top 171%)
25.2M25.20 mi0.35 mi22453+169148+69148+621494(Top 81%)8860(Top 78%)8860(Top 181%)
Finish26.22 mi1.02 mi22396+579125+239125+2320323(Top 76%)8199(Top 72%)8199(Top 168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23249

Females

9472

F18-39

9472

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23168

Females

9423

F18-39

9423

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23249

Females

9472

F18-39

9472

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22442

Females

9049

F18-39

9049

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23080

Females

9393

F18-39

9393

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22231

Females

8963

F18-39

8963

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22008

Females

8915

F18-39

8915

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24023

Females

10094

F18-39

10094

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

20032

Females

7955

F18-39

7955

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22642

Females

9388

F18-39

9388

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22370

Females

9253

F18-39

9253

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22310

Females

9262

F18-39

9262

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20492

Females

8333

F18-39

8333

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21494

Females

8860

F18-39

8860

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20323

Females

8199

F18-39

8199

Passing Analysis

Category:
Athletes Passed
1227
Passed By
1281
Net Change
-54
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22342
5K → 10K84547-463#22342#22805
10K → 15K87268-181#22805#22986
15K → 20K21445+169#22986#22817
20K → Half1736-19#22817#22836
Half → 25K14936+113#22836#22723
25K → 30K20744+163#22723#22560
30K → 20M19172-153#22560#22713
20M → 21M1413+138#22713#22575
21M → 35K4231+11#22575#22564
35K → 23M6559+6#22564#22558
23M → 24M3624+12#22558#22546
24M → 40K781+77#22546#22469
40K → 25.2M237+16#22469#22453
25.2M → Finish658+57#22453#22396
TOTALS12271281-54
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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