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BOSTON MARATHON 2023

Claudia Molina

Bib: 19387•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 42%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:22/mi
25:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:16/mi
51:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:17:27
↑ 67↓ 78
20K· 12.43 mi
9:09/mi
1:45:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:51:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:45/mi
2:12:50
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:40:57
↑ 181↓ 1480.2%
20M
9:04/mi
2:53:16
↑ 64↓ 500.2%
21M
9:41/mi
3:02:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:17/mi
3:09:09
↑ 17↓ 861.7%
23M
8:42/mi
3:20:02
↑ 23↓ 630.6%
24M
8:10/mi
3:28:12
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:35:33
↓ 200.3%
25.2M
9:14/mi
3:38:44
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:47:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:38
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time1:55:47
Pace8:50 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2825:598:2225:59
8:22
-
10K
6.21 mi11:45:0851:398:1925:40
8:16
-0:06
15K
9.32 mi12:10:561:17:278:1925:48
8:18
+0:02
20K
12.43 mi12:39:221:45:538:3128:26
9:09
+0:51
Half
13.11 mi12:45:071:51:388:315:45
8:26
-0:43
25K
15.53 mi13:06:192:12:508:3321:12
8:45
+0:19
30K
18.64 mi13:34:262:40:578:3828:07
9:03
+0:18
20M
20.00 mi13:46:452:53:168:4012:19
9:04
+0:01
21M
21.00 mi13:56:263:02:578:439:41
9:41
+0:37
35K
21.75 mi14:02:383:09:098:426:12
8:17
-1:24
23M
23.00 mi14:13:313:20:028:4210:53
8:42
+0:25
24M
24.00 mi14:21:413:28:128:418:10
8:10
-0:32
40K
24.85 mi14:29:023:35:338:407:21
8:36
+0:26
25.2M
25.20 mi14:32:133:38:448:413:11
9:14
+0:38
Finish
26.22 mi14:40:543:47:258:418:41
8:31
-0:43

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

8:41 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:41

64% of race

Time at Steady Pace

1:12:03

32% of race

Time at Slower Pace

9:41

4% of race

Average Pace: 8:40 /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 mi11:19:2825:598:2225:59
8:22
#16611
10K
6.21 mi11:45:0851:398:1925:40
8:16
#16605
15K
9.32 mi12:10:561:17:278:1925:48
8:18
#16584
20K
12.43 mi12:39:221:45:538:3128:26
9:09
#17695
Half
13.11 mi12:45:071:51:388:315:45
8:26
#17664
25K
15.53 mi13:06:192:12:508:3321:12
8:45
#17631
30K
18.64 mi13:34:262:40:578:3828:07
9:03
#17572
20M
20.00 mi13:46:452:53:168:4012:19
9:04
#17507
21M
21.00 mi13:56:263:02:578:439:41
9:41
#17455
35K
21.75 mi14:02:383:09:098:426:12
8:17
#17320
23M
23.00 mi14:13:313:20:028:4210:53
8:42
#17151
24M
24.00 mi14:21:413:28:128:418:10
8:10
#16950
40K
24.85 mi14:29:023:35:338:407:21
8:36
#16833
25.2M
25.20 mi14:32:133:38:448:413:11
9:14
#16777
Finish
26.22 mi14:40:543:47:258:418:41
8:31
#16731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi166115676567616578(Top 62%)5650(Top 49%)5650(Top 311%)
10K6.21 mi3.10 mi16605+65648+285648+2816672(Top 63%)5679(Top 50%)5679(Top 313%)
15K9.32 mi3.11 mi16584+215655-75655-716578(Top 62%)5650(Top 49%)5650(Top 311%)
20K12.43 mi3.11 mi17695-11116341-6866341-68620369(Top 77%)7881(Top 69%)7881(Top 434%)
Half13.11 mi0.68 mi17664+316322+196322+1917339(Top 65%)6085(Top 53%)6085(Top 335%)
25K15.53 mi2.42 mi17631+336314+86314+817628(Top 66%)6351(Top 56%)6351(Top 350%)
30K18.64 mi3.11 mi17572+596301+136301+1317441(Top 66%)6320(Top 55%)6320(Top 348%)
20M20.00 mi1.36 mi17507+656283+186283+1816873(Top 63%)6077(Top 53%)6077(Top 334%)
21M21.00 mi1.00 mi17455+526264+196264+1916793(Top 63%)6069(Top 53%)6069(Top 334%)
35K21.75 mi0.75 mi17320+1356198+666198+6614086(Top 53%)4622(Top 40%)4622(Top 254%)
23M23.00 mi1.25 mi17151+1696104+946104+9414369(Top 54%)4842(Top 42%)4842(Top 266%)
24M24.00 mi1.00 mi16950+2016012+926012+9212437(Top 47%)3834(Top 34%)3834(Top 211%)
40K24.85 mi0.85 mi16833+1175966+465966+4613984(Top 53%)4747(Top 42%)4747(Top 261%)
25.2M25.20 mi0.35 mi16777+565936+305936+3013918(Top 52%)4729(Top 41%)4729(Top 260%)
Finish26.22 mi1.02 mi16731+465920+165920+1615573(Top 58%)5578(Top 49%)5578(Top 307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16578

Females

5650

F45-49

5650

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16672

Females

5679

F45-49

5679

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16578

Females

5650

F45-49

5650

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20369

Females

7881

F45-49

7881

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17339

Females

6085

F45-49

6085

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17628

Females

6351

F45-49

6351

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17441

Females

6320

F45-49

6320

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16873

Females

6077

F45-49

6077

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16793

Females

6069

F45-49

6069

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14086

Females

4622

F45-49

4622

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14369

Females

4842

F45-49

4842

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12437

Females

3834

F45-49

3834

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13984

Females

4747

F45-49

4747

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13918

Females

4729

F45-49

4729

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15573

Females

5578

F45-49

5578

Passing Analysis

Category:
Athletes Passed
1949
Passed By
2069
Net Change
-120
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16611
5K → 10K315309+6#16611#16605
10K → 15K209188+21#16605#16584
15K → 20K231134-1111#16584#17695
20K → Half4615+31#17695#17664
Half → 25K12996+33#17664#17631
25K → 30K206147+59#17631#17572
30K → 20M11348+65#17572#17507
20M → 21M10553+52#17507#17455
21M → 35K1416+135#17455#17320
35K → 23M18617+169#17320#17151
23M → 24M2021+201#17151#16950
24M → 40K1258+117#16950#16833
40K → 25.2M593+56#16833#16777
25.2M → Finish9044+46#16777#16731
TOTALS19492069-120
📊

Passing Visuals

Category:
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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