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BOSTON MARATHON 2023

Rosario Castellanos

Bib: 20455•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Masters (Masters Women)
#0 / 6539
Top 27%
Division (F40-44)
#0 / 1878
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:55
Rank: #14169
Start → 5K
24:55 | 8:01/mi
10K· 6.21 mi
48:41
Rank: #13033 (+1136)
5K → 10K
23:46 | 7:39/mi
15K· 9.32 mi
1:12:28
Rank: #12469 (+564)
10K → 15K
23:47 | 7:39/mi
20K· 12.43 mi
1:37:10
Rank: #12571 (-102)
15K → 20K
24:42 | 7:57/mi
Half· 13.11 mi
1:42:30
Rank: #12565 (+6)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:03:18
Rank: #13357 (-792)
Half → 25K
20:48 | 8:35/mi
30K· 18.64 mi
2:29:46
Rank: #13554 (-197)
25K → 30K
26:28 | 8:31/mi
20M
2:41:42
Rank: #13709 (-155)
30K → 20M
11:56 | 8:47/mi
21M
2:51:34
Rank: #13986 (-277)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
2:57:48
Rank: #13983 (+3)
21M → 35K
6:14 | 8:20/mi
23M
3:09:25
Rank: #14215 (-232)
35K → 23M
11:37 | 9:17/mi
24M
3:18:06
Rank: #14284 (-69)
23M → 24M
8:41 | 8:41/mi
40K· 24.85 mi
3:25:49
Rank: #14350 (-66)
24M → 40K
7:43 | 9:02/mi
25.2M
3:29:19
Rank: #14419 (-69)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:38:14
Rank: #14481 (-62)
25.2M → Finish
8:55 | 8:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:30
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:55:44
Pace8:50 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0824:558:0124:55
8:01
-
10K
6.21 mi11:40:5448:417:5023:46
7:39
-0:22
15K
9.32 mi12:04:411:12:287:4623:47
7:39
0:00
20K
12.43 mi12:29:231:37:107:4924:42
7:57
+0:18
Half
13.11 mi12:34:431:42:307:495:20
7:49
-0:08
25K
15.53 mi12:55:312:03:187:5620:48
8:35
+0:46
30K
18.64 mi13:21:592:29:468:0226:28
8:31
-0:04
20M
20.00 mi13:33:552:41:428:0511:56
8:47
+0:16
21M
21.00 mi13:43:472:51:348:109:52
9:52
+1:05
35K
21.75 mi13:50:012:57:488:116:14
8:20
-1:32
23M
23.00 mi14:01:383:09:258:1411:37
9:17
+0:57
24M
24.00 mi14:10:193:18:068:158:41
8:41
-0:36
40K
24.85 mi14:18:023:25:498:177:43
9:02
+0:21
25.2M
25.20 mi14:21:323:29:198:183:30
10:09
+1:07
Finish
26.22 mi14:30:273:38:148:208:55
8:45
-1:24

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

8:20 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:30

47% of race

Time at Steady Pace

1:23:02

38% of race

Time at Slower Pace

32:42

15% of race

Average Pace: 8:19 /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 mi11:17:0824:558:0124:55
8:01
#14169
10K
6.21 mi11:40:5448:417:5023:46
7:39
#13033
15K
9.32 mi12:04:411:12:287:4623:47
7:39
#12469
20K
12.43 mi12:29:231:37:107:4924:42
7:57
#12571
Half
13.11 mi12:34:431:42:307:495:20
7:49
#12565
25K
15.53 mi12:55:312:03:187:5620:48
8:35
#13357
30K
18.64 mi13:21:592:29:468:0226:28
8:31
#13554
20M
20.00 mi13:33:552:41:428:0511:56
8:47
#13709
21M
21.00 mi13:43:472:51:348:109:52
9:52
#13986
35K
21.75 mi13:50:012:57:488:116:14
8:20
#13983
23M
23.00 mi14:01:383:09:258:1411:37
9:17
#14215
24M
24.00 mi14:10:193:18:068:158:41
8:41
#14284
40K
24.85 mi14:18:023:25:498:177:43
9:02
#14350
25.2M
25.20 mi14:21:323:29:198:183:30
10:09
#14419
Finish
26.22 mi14:30:273:38:148:208:55
8:45
#14481
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi141694130413011484(Top 43%)2623(Top 23%)2623(Top 140%)
10K6.21 mi3.10 mi13033+11363465+6653465+66511811(Top 44%)2770(Top 24%)2770(Top 147%)
15K9.32 mi3.11 mi12469+5643157+3083157+30811484(Top 43%)2623(Top 23%)2623(Top 140%)
20K12.43 mi3.11 mi12571-1023243-863243-8613047(Top 49%)3578(Top 31%)3578(Top 191%)
Half13.11 mi0.68 mi12565+63246-33246-312976(Top 49%)3505(Top 31%)3505(Top 187%)
25K15.53 mi2.42 mi13357-7923720-4743720-47416687(Top 63%)5821(Top 51%)5821(Top 310%)
30K18.64 mi3.11 mi13554-1973873-1533873-15314449(Top 54%)4593(Top 40%)4593(Top 245%)
20M20.00 mi1.36 mi13709-1553982-1093982-10915324(Top 58%)5173(Top 45%)5173(Top 275%)
21M21.00 mi1.00 mi13986-2774176-1944176-19417514(Top 66%)6482(Top 57%)6482(Top 345%)
35K21.75 mi0.75 mi13983+34188-124188-1214319(Top 54%)4736(Top 41%)4736(Top 252%)
23M23.00 mi1.25 mi14215-2324357-1694357-16917413(Top 65%)6508(Top 57%)6508(Top 347%)
24M24.00 mi1.00 mi14284-694423-664423-6615576(Top 59%)5566(Top 49%)5566(Top 296%)
40K24.85 mi0.85 mi14350-664483-604483-6016289(Top 61%)6014(Top 53%)6014(Top 320%)
25.2M25.20 mi0.35 mi14419-694539-564539-5617956(Top 67%)6927(Top 61%)6927(Top 369%)
Finish26.22 mi1.02 mi14481-624587-484587-4816770(Top 63%)6233(Top 55%)6233(Top 332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11484

Females

2623

F40-44

2623

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11811

Females

2770

F40-44

2770

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11484

Females

2623

F40-44

2623

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13047

Females

3578

F40-44

3578

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12976

Females

3505

F40-44

3505

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16687

Females

5821

F40-44

5821

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14449

Females

4593

F40-44

4593

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15324

Females

5173

F40-44

5173

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17514

Females

6482

F40-44

6482

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14319

Females

4736

F40-44

4736

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17413

Females

6508

F40-44

6508

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15576

Females

5566

F40-44

5566

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16289

Females

6014

F40-44

6014

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17956

Females

6927

F40-44

6927

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16770

Females

6233

F40-44

6233

Passing Analysis

Category:
Athletes Passed
2436
Passed By
2748
Net Change
-312
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14169
5K → 10K118044+1136#14169#13033
10K → 15K61248+564#13033#12469
15K → 20K141243-102#12469#12571
20K → Half3428+6#12571#12565
Half → 25K27819-792#12565#13357
25K → 30K126323-197#13357#13554
30K → 20M54209-155#13554#13709
20M → 21M29306-277#13709#13986
21M → 35K5350+3#13986#13983
35K → 23M39271-232#13983#14215
23M → 24M47116-69#14215#14284
24M → 40K42108-66#14284#14350
40K → 25.2M1180-69#14350#14419
25.2M → Finish41103-62#14419#14481
TOTALS24362748-312
📊

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