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BOSTON MARATHON 2023

Carolina Diaz Valenzuela

Bib: 11163•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
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
7:04/mi
21:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
43:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:06:18
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:29:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:34:27
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:53:09
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:18:29
↑ 181↓ 1480.2%
20M
8:05/mi
2:29:28
↑ 64↓ 500.2%
21M
8:59/mi
2:38:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:44:02
↑ 17↓ 861.7%
23M
7:53/mi
2:53:54
↑ 23↓ 630.6%
24M
7:41/mi
3:01:35
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:08:25
↓ 200.3%
25.2M
8:39/mi
3:11:24
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:19:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:27
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:44:56
Pace8:00 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2521:567:0421:56
7:04
-
10K
6.21 mi11:10:2843:597:0522:03
7:06
+0:02
15K
9.32 mi11:32:471:06:187:0722:19
7:11
+0:05
20K
12.43 mi11:55:511:29:227:1123:04
7:25
+0:14
Half
13.11 mi12:00:561:34:277:125:05
7:27
+0:02
25K
15.53 mi12:19:381:53:097:1718:42
7:43
+0:16
30K
18.64 mi12:44:582:18:297:2625:20
8:09
+0:26
20M
20.00 mi12:55:572:29:287:2810:59
8:05
-0:04
21M
21.00 mi13:04:562:38:277:338:59
8:59
+0:54
35K
21.75 mi13:10:312:44:027:335:35
7:28
-1:31
23M
23.00 mi13:20:232:53:547:349:52
7:53
+0:25
24M
24.00 mi13:28:043:01:357:347:41
7:41
-0:12
40K
24.85 mi13:34:543:08:257:356:50
8:00
+0:19
25.2M
25.20 mi13:37:533:11:247:362:59
8:39
+0:39
Finish
26.22 mi13:45:523:19:237:377:59
7:50
-0:49

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

7:04 /mi

Average Pace

7:37 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:27

47% of race

Time at Steady Pace

49:49

25% of race

Time at Slower Pace

55:07

28% of race

Average Pace: 7:36 /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 mi10:48:2521:567:0421:56
7:04
#6636
10K
6.21 mi11:10:2843:597:0522:03
7:06
#6982
15K
9.32 mi11:32:471:06:187:0722:19
7:11
#7190
20K
12.43 mi11:55:511:29:227:1123:04
7:25
#7481
Half
13.11 mi12:00:561:34:277:125:05
7:27
#7583
25K
15.53 mi12:19:381:53:097:1718:42
7:43
#7957
30K
18.64 mi12:44:582:18:297:2625:20
8:09
#8597
20M
20.00 mi12:55:572:29:287:2810:59
8:05
#8745
21M
21.00 mi13:04:562:38:277:338:59
8:59
#8994
35K
21.75 mi13:10:312:44:027:335:35
7:28
#8960
23M
23.00 mi13:20:232:53:547:349:52
7:53
#8940
24M
24.00 mi13:28:043:01:357:347:41
7:41
#8911
40K
24.85 mi13:34:543:08:257:356:50
8:00
#8928
25.2M
25.20 mi13:37:533:11:247:362:59
8:39
#8945
Finish
26.22 mi13:45:523:19:237:377:59
7:50
#9009
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66366366367706(Top 29%)975(Top 9%)975(Top 20%)
10K6.21 mi3.10 mi6982-346730-94730-947439(Top 28%)876(Top 8%)876(Top 18%)
15K9.32 mi3.11 mi7190-208791-61791-617706(Top 29%)975(Top 9%)975(Top 20%)
20K12.43 mi3.11 mi7481-291876-85876-858723(Top 33%)1383(Top 12%)1383(Top 28%)
Half13.11 mi0.68 mi7583-102916-40916-409871(Top 37%)1826(Top 16%)1826(Top 37%)
25K15.53 mi2.42 mi7957-3741060-1441060-14410396(Top 39%)2173(Top 19%)2173(Top 44%)
30K18.64 mi3.11 mi8597-6401334-2741334-27412025(Top 45%)3193(Top 28%)3193(Top 65%)
20M20.00 mi1.36 mi8745-1481407-731407-7310890(Top 41%)2670(Top 23%)2670(Top 55%)
21M21.00 mi1.00 mi8994-2491531-1241531-12413316(Top 50%)4103(Top 36%)4103(Top 84%)
35K21.75 mi0.75 mi8960+341525+61525+68312(Top 31%)1614(Top 14%)1614(Top 33%)
23M23.00 mi1.25 mi8940+201543-181543-188958(Top 34%)2002(Top 18%)2002(Top 41%)
24M24.00 mi1.00 mi8911+291561-181561-188995(Top 34%)2089(Top 18%)2089(Top 43%)
40K24.85 mi0.85 mi8928-171585-241585-2410007(Top 38%)2644(Top 23%)2644(Top 54%)
25.2M25.20 mi0.35 mi8945-171602-171602-1710475(Top 39%)2901(Top 25%)2901(Top 59%)
Finish26.22 mi1.02 mi9009-641652-501652-5010945(Top 41%)3153(Top 28%)3153(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7706

Females

975

F18-39

975

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7439

Females

876

F18-39

876

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7706

Females

975

F18-39

975

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8723

Females

1383

F18-39

1383

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9871

Females

1826

F18-39

1826

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10396

Females

2173

F18-39

2173

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12025

Females

3193

F18-39

3193

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10890

Females

2670

F18-39

2670

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13316

Females

4103

F18-39

4103

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8312

Females

1614

F18-39

1614

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8958

Females

2002

F18-39

2002

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

8995

Females

2089

F18-39

2089

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10007

Females

2644

F18-39

2644

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10475

Females

2901

F18-39

2901

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10945

Females

3153

F18-39

3153

Passing Analysis

Category:
Athletes Passed
654
Passed By
3027
Net Change
-2373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6636
5K → 10K72418-346#6636#6982
10K → 15K66274-208#6982#7190
15K → 20K49340-291#7190#7481
20K → Half6108-102#7481#7583
Half → 25K21395-374#7583#7957
25K → 30K37677-640#7957#8597
30K → 20M40188-148#8597#8745
20M → 21M31280-249#8745#8994
21M → 35K5521+34#8994#8960
35K → 23M8565+20#8960#8940
23M → 24M8354+29#8940#8911
24M → 40K4865-17#8911#8928
40K → 25.2M1835-17#8928#8945
25.2M → Finish43107-64#8945#9009
TOTALS6543027-2373
📊

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