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BOSTON MARATHON 2023

Casilda Montilla

Bib: 21933•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 45%
Division (F50-54)
#0 / 1207
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:35
Rank: #17941
Start → 5K
26:35 | 8:33/mi
10K· 6.21 mi
52:50
Rank: #17924 (+17)
5K → 10K
26:15 | 8:27/mi
15K· 9.32 mi
1:19:21
Rank: #17930 (-6)
10K → 15K
26:31 | 8:32/mi
20K· 12.43 mi
1:45:55
Rank: #17711 (+219)
15K → 20K
26:34 | 8:33/mi
Half· 13.11 mi
1:51:41
Rank: #17679 (+32)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:12:56
Rank: #17669 (+10)
Half → 25K
21:15 | 8:46/mi
30K· 18.64 mi
2:40:59
Rank: #17581 (+88)
25K → 30K
28:03 | 9:02/mi
20M
2:53:16
Rank: #17512 (+69)
30K → 20M
12:17 | 9:02/mi
21M
3:02:18
Rank: #17278 (+234)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
3:09:04
Rank: #17296 (-18)
21M → 35K
6:46 | 9:02/mi
23M
3:20:14
Rank: #17204 (+92)
35K → 23M
11:10 | 8:55/mi
24M
3:29:03
Rank: #17146 (+58)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:36:47
Rank: #17126 (+20)
24M → 40K
7:44 | 9:03/mi
25.2M
3:40:07
Rank: #17112 (+14)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:48:56
Rank: #17091 (+21)
25.2M → Finish
8:49 | 8:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:41
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time1:57:15
Pace8:57 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2126:358:3326:35
8:33
-
10K
6.21 mi11:45:3652:508:3026:15
8:27
-0:06
15K
9.32 mi12:12:071:19:218:3126:31
8:32
+0:05
20K
12.43 mi12:38:411:45:558:3126:34
8:33
+0:01
Half
13.11 mi12:44:271:51:418:315:46
8:27
-0:06
25K
15.53 mi13:05:422:12:568:3321:15
8:46
+0:19
30K
18.64 mi13:33:452:40:598:3828:03
9:02
+0:16
20M
20.00 mi13:46:022:53:168:4012:17
9:02
0:00
21M
21.00 mi13:55:043:02:188:419:02
9:02
0:00
35K
21.75 mi14:01:503:09:048:426:46
9:02
0:00
23M
23.00 mi14:13:003:20:148:4211:10
8:55
-0:07
24M
24.00 mi14:21:493:29:038:438:49
8:49
-0:06
40K
24.85 mi14:29:333:36:478:437:44
9:03
+0:14
25.2M
25.20 mi14:32:533:40:078:443:20
9:40
+0:37
Finish
26.22 mi14:41:423:48:568:448:49
8:39
-1:01

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

8:27 /mi

Average Pace

8:44 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:45:36

99% of race

Time at Steady Pace

3:20

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:44 /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 mi11:19:2126:358:3326:35
8:33
#17941
10K
6.21 mi11:45:3652:508:3026:15
8:27
#17924
15K
9.32 mi12:12:071:19:218:3126:31
8:32
#17930
20K
12.43 mi12:38:411:45:558:3126:34
8:33
#17711
Half
13.11 mi12:44:271:51:418:315:46
8:27
#17679
25K
15.53 mi13:05:422:12:568:3321:15
8:46
#17669
30K
18.64 mi13:33:452:40:598:3828:03
9:02
#17581
20M
20.00 mi13:46:022:53:168:4012:17
9:02
#17512
21M
21.00 mi13:55:043:02:188:419:02
9:02
#17278
35K
21.75 mi14:01:503:09:048:426:46
9:02
#17296
23M
23.00 mi14:13:003:20:148:4211:10
8:55
#17204
24M
24.00 mi14:21:493:29:038:438:49
8:49
#17146
40K
24.85 mi14:29:333:36:478:437:44
9:03
#17126
25.2M
25.20 mi14:32:533:40:078:443:20
9:40
#17112
Finish
26.22 mi14:41:423:48:568:448:49
8:39
#17091
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi179416515651518049(Top 68%)6529(Top 57%)6529(Top 541%)
10K6.21 mi3.10 mi17924+176483+326483+3217930(Top 67%)6438(Top 56%)6438(Top 533%)
15K9.32 mi3.11 mi17930-66482+16482+118049(Top 68%)6529(Top 57%)6529(Top 541%)
20K12.43 mi3.11 mi17711+2196351+1316351+13117190(Top 65%)6044(Top 53%)6044(Top 501%)
Half13.11 mi0.68 mi17679+326331+206331+2017498(Top 66%)6181(Top 54%)6181(Top 512%)
25K15.53 mi2.42 mi17669+106334-36334-317757(Top 67%)6431(Top 56%)6431(Top 533%)
30K18.64 mi3.11 mi17581+886306+286306+2817335(Top 65%)6265(Top 55%)6265(Top 519%)
20M20.00 mi1.36 mi17512+696288+186288+1816778(Top 63%)6028(Top 53%)6028(Top 499%)
21M21.00 mi1.00 mi17278+2346162+1266162+12613647(Top 51%)4302(Top 38%)4302(Top 356%)
35K21.75 mi0.75 mi17296-186178-166178-1618048(Top 68%)6877(Top 60%)6877(Top 570%)
23M23.00 mi1.25 mi17204+926138+406138+4015653(Top 59%)5551(Top 49%)5551(Top 460%)
24M24.00 mi1.00 mi17146+586125+136125+1316320(Top 61%)5983(Top 52%)5983(Top 496%)
40K24.85 mi0.85 mi17126+206130-56130-516418(Top 62%)6091(Top 53%)6091(Top 505%)
25.2M25.20 mi0.35 mi17112+146127+36127+316012(Top 60%)5876(Top 51%)5876(Top 487%)
Finish26.22 mi1.02 mi17091+216125+26125+216281(Top 61%)5988(Top 52%)5988(Top 496%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18049

Females

6529

F50-54

6529

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17930

Females

6438

F50-54

6438

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18049

Females

6529

F50-54

6529

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17190

Females

6044

F50-54

6044

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17498

Females

6181

F50-54

6181

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17757

Females

6431

F50-54

6431

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17335

Females

6265

F50-54

6265

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16778

Females

6028

F50-54

6028

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13647

Females

4302

F50-54

4302

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18048

Females

6877

F50-54

6877

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15653

Females

5551

F50-54

5551

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16320

Females

5983

F50-54

5983

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16418

Females

6091

F50-54

6091

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16012

Females

5876

F50-54

5876

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16281

Females

5988

F50-54

5988

Passing Analysis

Category:
Athletes Passed
1982
Passed By
1132
Net Change
+850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17941
5K → 10K317300+17#17941#17924
10K → 15K185191-6#17924#17930
15K → 20K29475+219#17930#17711
20K → Half4715+32#17711#17679
Half → 25K120110+10#17679#17669
25K → 30K221133+88#17669#17581
30K → 20M11344+69#17581#17512
20M → 21M2428+234#17512#17278
21M → 35K4563-18#17278#17296
35K → 23M12836+92#17296#17204
23M → 24M9032+58#17204#17146
24M → 40K6646+20#17146#17126
40K → 25.2M3420+14#17126#17112
25.2M → Finish8059+21#17112#17091
TOTALS19821132+850
📊

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