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BOSTON MARATHON 2023

Robyn Castle

Bib: 22030•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 49%
Masters (Masters Women)
#0 / 6539
Top 38%
Division (F45-49)
#0 / 1817
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:16
Rank: #19334
Start → 5K
27:16 | 8:47/mi
10K· 6.21 mi
53:20
Rank: #18432 (+902)
5K → 10K
26:04 | 8:23/mi
15K· 9.32 mi
1:19:07
Rank: #17775 (+657)
10K → 15K
25:47 | 8:18/mi
20K· 12.43 mi
1:45:16
Rank: #17377 (+398)
15K → 20K
26:09 | 8:25/mi
Half· 13.11 mi
1:50:52
Rank: #17310 (+67)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:11:17
Rank: #17052 (+258)
Half → 25K
20:25 | 8:25/mi
30K· 18.64 mi
2:38:47
Rank: #16877 (+175)
25K → 30K
27:30 | 8:51/mi
20M
2:50:45
Rank: #16760 (+117)
30K → 20M
11:58 | 8:48/mi
21M
3:00:02
Rank: #16648 (+112)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
3:06:17
Rank: #16554 (+94)
21M → 35K
6:15 | 8:21/mi
23M
3:17:05
Rank: #16378 (+176)
35K → 23M
10:48 | 8:38/mi
24M
3:25:59
Rank: #16395 (-17)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:33:18
Rank: #16261 (+134)
24M → 40K
7:19 | 8:33/mi
25.2M
3:36:27
Rank: #16215 (+46)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:44:46
Rank: #16124 (+91)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:52
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:53:54
Pace8:41 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1927:168:4727:16
8:47
-
10K
6.21 mi11:50:2353:208:3526:04
8:23
-0:24
15K
9.32 mi12:16:101:19:078:2925:47
8:18
-0:05
20K
12.43 mi12:42:191:45:168:2826:09
8:25
+0:07
Half
13.11 mi12:47:551:50:528:275:36
8:12
-0:13
25K
15.53 mi13:08:202:11:178:2720:25
8:25
+0:13
30K
18.64 mi13:35:502:38:478:3127:30
8:51
+0:26
20M
20.00 mi13:47:482:50:458:3211:58
8:48
-0:03
21M
21.00 mi13:57:053:00:028:349:17
9:17
+0:29
35K
21.75 mi14:03:203:06:178:346:15
8:21
-0:56
23M
23.00 mi14:14:083:17:058:3410:48
8:38
+0:17
24M
24.00 mi14:23:023:25:598:358:54
8:54
+0:16
40K
24.85 mi14:30:213:33:188:357:19
8:33
-0:21
25.2M
25.20 mi14:33:303:36:278:353:09
9:08
+0:35
Finish
26.22 mi14:41:493:44:468:358:19
8:10
-0:58

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

8:10 /mi

Average Pace

8:35 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:20

94% of race

Time at Steady Pace

12:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:34 /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 mi11:24:1927:168:4727:16
8:47
#19334
10K
6.21 mi11:50:2353:208:3526:04
8:23
#18432
15K
9.32 mi12:16:101:19:078:2925:47
8:18
#17775
20K
12.43 mi12:42:191:45:168:2826:09
8:25
#17377
Half
13.11 mi12:47:551:50:528:275:36
8:12
#17310
25K
15.53 mi13:08:202:11:178:2720:25
8:25
#17052
30K
18.64 mi13:35:502:38:478:3127:30
8:51
#16877
20M
20.00 mi13:47:482:50:458:3211:58
8:48
#16760
21M
21.00 mi13:57:053:00:028:349:17
9:17
#16648
35K
21.75 mi14:03:203:06:178:346:15
8:21
#16554
23M
23.00 mi14:14:083:17:058:3410:48
8:38
#16378
24M
24.00 mi14:23:023:25:598:358:54
8:54
#16395
40K
24.85 mi14:30:213:33:188:357:19
8:33
#16261
25.2M
25.20 mi14:33:303:36:278:353:09
9:08
#16215
Finish
26.22 mi14:41:493:44:468:358:19
8:10
#16124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi193347401740116538(Top 62%)5617(Top 49%)5617(Top 309%)
10K6.21 mi3.10 mi18432+9026779+6226779+62217528(Top 66%)6196(Top 54%)6196(Top 341%)
15K9.32 mi3.11 mi17775+6576387+3926387+39216538(Top 62%)5617(Top 49%)5617(Top 309%)
20K12.43 mi3.11 mi17377+3986144+2436144+24316356(Top 61%)5561(Top 49%)5561(Top 306%)
Half13.11 mi0.68 mi17310+676108+366108+3615922(Top 60%)5254(Top 46%)5254(Top 289%)
25K15.53 mi2.42 mi17052+2585975+1335975+13315724(Top 59%)5274(Top 46%)5274(Top 290%)
30K18.64 mi3.11 mi16877+1755884+915884+9116395(Top 62%)5724(Top 50%)5724(Top 315%)
20M20.00 mi1.36 mi16760+1175843+415843+4115480(Top 58%)5266(Top 46%)5266(Top 290%)
21M21.00 mi1.00 mi16648+1125787+565787+5614927(Top 56%)5016(Top 44%)5016(Top 276%)
35K21.75 mi0.75 mi16554+945746+415746+4114497(Top 54%)4849(Top 42%)4849(Top 267%)
23M23.00 mi1.25 mi16378+1765661+855661+8513976(Top 52%)4609(Top 40%)4609(Top 254%)
24M24.00 mi1.00 mi16395-175686-255686-2516781(Top 63%)6237(Top 55%)6237(Top 343%)
40K24.85 mi0.85 mi16261+1345629+575629+5713753(Top 52%)4620(Top 40%)4620(Top 254%)
25.2M25.20 mi0.35 mi16215+465606+235606+2313365(Top 50%)4436(Top 39%)4436(Top 244%)
Finish26.22 mi1.02 mi16124+915563+435563+4313215(Top 50%)4324(Top 38%)4324(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16538

Females

5617

F45-49

5617

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17528

Females

6196

F45-49

6196

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16538

Females

5617

F45-49

5617

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16356

Females

5561

F45-49

5561

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15922

Females

5254

F45-49

5254

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15724

Females

5274

F45-49

5274

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16395

Females

5724

F45-49

5724

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15480

Females

5266

F45-49

5266

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14927

Females

5016

F45-49

5016

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14497

Females

4849

F45-49

4849

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13976

Females

4609

F45-49

4609

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16781

Females

6237

F45-49

6237

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13753

Females

4620

F45-49

4620

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13365

Females

4436

F45-49

4436

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13215

Females

4324

F45-49

4324

Passing Analysis

Category:
Athletes Passed
3672
Passed By
462
Net Change
+3210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19334
5K → 10K99896+902#19334#18432
10K → 15K68124+657#18432#17775
15K → 20K42931+398#17775#17377
20K → Half747+67#17377#17310
Half → 25K27820+258#17310#17052
25K → 30K25479+175#17052#16877
30K → 20M14326+117#16877#16760
20M → 21M14432+112#16760#16648
21M → 35K10612+94#16648#16554
35K → 23M18610+176#16554#16378
23M → 24M5976-17#16378#16395
24M → 40K14814+134#16395#16261
40K → 25.2M526+46#16261#16215
25.2M → Finish12029+91#16215#16124
TOTALS3672462+3210
📊

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