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BOSTON MARATHON 2023

Halina Carrera

Bib: 17148•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
Top 50%
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
8:06/mi
25:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
49:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:14:13
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:38:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:43:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
2:03:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:28:08
↑ 181↓ 1480.2%
20M
8:22/mi
2:39:30
↑ 64↓ 500.2%
21M
9:05/mi
2:48:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:54:48
↑ 17↓ 861.7%
23M
8:42/mi
3:05:42
↑ 23↓ 630.6%
24M
8:18/mi
3:14:00
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:21:12
↓ 200.3%
25.2M
8:51/mi
3:24:15
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:32:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:58
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:48:16
Pace8:16 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0025:118:0625:11
8:06
-
10K
6.21 mi11:43:2249:337:5824:22
7:51
-0:15
15K
9.32 mi12:08:021:14:137:5824:40
7:56
+0:05
20K
12.43 mi12:32:331:38:447:5724:31
7:53
-0:03
Half
13.11 mi12:37:471:43:587:565:14
7:40
-0:13
25K
15.53 mi12:56:512:03:027:5519:04
7:52
+0:12
30K
18.64 mi13:21:572:28:087:5725:06
8:05
+0:13
20M
20.00 mi13:33:192:39:307:5811:22
8:22
+0:17
21M
21.00 mi13:42:242:48:358:029:05
9:05
+0:43
35K
21.75 mi13:48:372:54:488:026:13
8:19
-0:46
23M
23.00 mi13:59:313:05:428:0410:54
8:42
+0:23
24M
24.00 mi14:07:493:14:008:058:18
8:18
-0:24
40K
24.85 mi14:15:013:21:128:067:12
8:25
+0:07
25.2M
25.20 mi14:18:043:24:158:063:03
8:51
+0:26
Finish
26.22 mi14:26:033:32:148:067:59
7:50
-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

7:40 /mi

Average Pace

8:06 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:12

89% of race

Time at Steady Pace

13:57

7% of race

Time at Slower Pace

9:05

4% of race

Average Pace: 8:06 /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 mi11:19:0025:118:0625:11
8:06
#14758
10K
6.21 mi11:43:2249:337:5824:22
7:51
#14201
15K
9.32 mi12:08:021:14:137:5824:40
7:56
#14072
20K
12.43 mi12:32:331:38:447:5724:31
7:53
#13661
Half
13.11 mi12:37:471:43:587:565:14
7:40
#13564
25K
15.53 mi12:56:512:03:027:5519:04
7:52
#13228
30K
18.64 mi13:21:572:28:087:5725:06
8:05
#12876
20M
20.00 mi13:33:192:39:307:5811:22
8:22
#12838
21M
21.00 mi13:42:242:48:358:029:05
9:05
#12883
35K
21.75 mi13:48:372:54:488:026:13
8:19
#12929
23M
23.00 mi13:59:313:05:428:0410:54
8:42
#12998
24M
24.00 mi14:07:493:14:008:058:18
8:18
#13000
40K
24.85 mi14:15:013:21:128:067:12
8:25
#12988
25.2M
25.20 mi14:18:043:24:158:063:03
8:51
#12955
Finish
26.22 mi14:26:033:32:148:067:59
7:50
#12864
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147584489448913918(Top 52%)4035(Top 35%)4035(Top 83%)
10K6.21 mi3.10 mi14201+5574164+3254164+32513503(Top 51%)3727(Top 33%)3727(Top 76%)
15K9.32 mi3.11 mi14072+1294105+594105+5913918(Top 52%)4035(Top 35%)4035(Top 83%)
20K12.43 mi3.11 mi13661+4113888+2173888+21712561(Top 47%)3292(Top 29%)3292(Top 67%)
Half13.11 mi0.68 mi13564+973818+703818+7011743(Top 44%)2787(Top 24%)2787(Top 57%)
25K15.53 mi2.42 mi13228+3363635+1833635+18311671(Top 44%)2880(Top 25%)2880(Top 59%)
30K18.64 mi3.11 mi12876+3523479+1563479+15611530(Top 43%)2919(Top 26%)2919(Top 60%)
20M20.00 mi1.36 mi12838+383475+43475+412801(Top 48%)3742(Top 33%)3742(Top 77%)
21M21.00 mi1.00 mi12883-453521-463521-4613897(Top 52%)4430(Top 39%)4430(Top 91%)
35K21.75 mi0.75 mi12929-463565-443565-4414160(Top 53%)4640(Top 41%)4640(Top 95%)
23M23.00 mi1.25 mi12998-693628-633628-6314416(Top 54%)4853(Top 42%)4853(Top 99%)
24M24.00 mi1.00 mi13000-23648-203648-2013262(Top 50%)4258(Top 37%)4258(Top 87%)
40K24.85 mi0.85 mi12988+123669-213669-2112859(Top 48%)4132(Top 36%)4132(Top 85%)
25.2M25.20 mi0.35 mi12955+333658+113658+1111652(Top 44%)3548(Top 31%)3548(Top 73%)
Finish26.22 mi1.02 mi12864+913621+373621+3710973(Top 41%)3181(Top 28%)3181(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13918

Females

4035

F18-39

4035

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13503

Females

3727

F18-39

3727

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13918

Females

4035

F18-39

4035

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12561

Females

3292

F18-39

3292

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11743

Females

2787

F18-39

2787

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11671

Females

2880

F18-39

2880

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11530

Females

2919

F18-39

2919

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12801

Females

3742

F18-39

3742

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13897

Females

4430

F18-39

4430

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14160

Females

4640

F18-39

4640

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14416

Females

4853

F18-39

4853

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13262

Females

4258

F18-39

4258

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12859

Females

4132

F18-39

4132

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11652

Females

3548

F18-39

3548

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10973

Females

3181

F18-39

3181

Passing Analysis

Category:
Athletes Passed
2787
Passed By
893
Net Change
+1894
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14758
5K → 10K667110+557#14758#14201
10K → 15K252123+129#14201#14072
15K → 20K43120+411#14072#13661
20K → Half1025+97#13661#13564
Half → 25K3437+336#13564#13228
25K → 30K40250+352#13228#12876
30K → 20M11577+38#12876#12838
20M → 21M82127-45#12838#12883
21M → 35K3278-46#12883#12929
35K → 23M69138-69#12929#12998
23M → 24M6062-2#12998#13000
24M → 40K7462+12#13000#12988
40K → 25.2M4411+33#12988#12955
25.2M → Finish11423+91#12955#12864
TOTALS2787893+1894
📊

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