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BOSTON MARATHON 2023

Veronica Barrera Guerrero

Bib: 18753•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:41
Rank: #10756
Start → 5K
23:41 | 7:37/mi
10K· 6.21 mi
47:12
Rank: #10890 (-134)
5K → 10K
23:31 | 7:34/mi
15K· 9.32 mi
1:10:49
Rank: #10914 (-24)
10K → 15K
23:37 | 7:36/mi
20K· 12.43 mi
1:34:22
Rank: #10652 (+262)
15K → 20K
23:33 | 7:35/mi
Half· 13.11 mi
1:39:28
Rank: #10613 (+39)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:57:43
Rank: #10296 (+317)
Half → 25K
18:15 | 7:32/mi
30K· 18.64 mi
2:22:14
Rank: #10216 (+80)
25K → 30K
24:31 | 7:53/mi
20M
2:33:15
Rank: #10260 (-44)
30K → 20M
11:01 | 8:06/mi
21M
2:41:48
Rank: #10259 (+1)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:47:34
Rank: #10241 (+18)
21M → 35K
5:46 | 7:42/mi
23M
2:57:19
Rank: #10090 (+151)
35K → 23M
9:45 | 7:47/mi
24M
3:04:54
Rank: #9980 (+110)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
3:11:34
Rank: #9895 (+85)
24M → 40K
6:40 | 7:48/mi
25.2M
3:14:33
Rank: #9889 (+6)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:22:23
Rank: #9849 (+40)
25.2M → Finish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:28
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:42:55
Pace7:51 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1523:417:3723:41
7:37
-
10K
6.21 mi11:44:4647:127:3623:31
7:34
-0:03
15K
9.32 mi12:08:231:10:497:3623:37
7:36
+0:02
20K
12.43 mi12:31:561:34:227:3623:33
7:35
-0:01
Half
13.11 mi12:37:021:39:287:355:06
7:29
-0:06
25K
15.53 mi12:55:171:57:437:3518:15
7:32
+0:03
30K
18.64 mi13:19:482:22:147:3824:31
7:53
+0:21
20M
20.00 mi13:30:492:33:157:4011:01
8:06
+0:13
21M
21.00 mi13:39:222:41:487:428:33
8:33
+0:27
35K
21.75 mi13:45:082:47:347:425:46
7:42
-0:51
23M
23.00 mi13:54:532:57:197:439:45
7:47
+0:05
24M
24.00 mi14:02:283:04:547:427:35
7:35
-0:12
40K
24.85 mi14:09:083:11:347:426:40
7:48
+0:13
25.2M
25.20 mi14:12:073:14:337:432:59
8:39
+0:51
Finish
26.22 mi14:19:573:22:237:437:50
7:41
-0:58

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

7:29 /mi

Average Pace

7:43 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:51

94% of race

Time at Steady Pace

11:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:21:1523:417:3723:41
7:37
#10756
10K
6.21 mi11:44:4647:127:3623:31
7:34
#10890
15K
9.32 mi12:08:231:10:497:3623:37
7:36
#10914
20K
12.43 mi12:31:561:34:227:3623:33
7:35
#10652
Half
13.11 mi12:37:021:39:287:355:06
7:29
#10613
25K
15.53 mi12:55:171:57:437:3518:15
7:32
#10296
30K
18.64 mi13:19:482:22:147:3824:31
7:53
#10216
20M
20.00 mi13:30:492:33:157:4011:01
8:06
#10260
21M
21.00 mi13:39:222:41:487:428:33
8:33
#10259
35K
21.75 mi13:45:082:47:347:425:46
7:42
#10241
23M
23.00 mi13:54:532:57:197:439:45
7:47
#10090
24M
24.00 mi14:02:283:04:547:427:35
7:35
#9980
40K
24.85 mi14:09:083:11:347:426:40
7:48
#9895
25.2M
25.20 mi14:12:073:14:337:432:59
8:39
#9889
Finish
26.22 mi14:19:573:22:237:437:50
7:41
#9849
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi107562204220411037(Top 41%)2366(Top 21%)2366(Top 48%)
10K6.21 mi3.10 mi10890-1342270-662270-6611054(Top 42%)2341(Top 20%)2341(Top 48%)
15K9.32 mi3.11 mi10914-242288-182288-1811037(Top 41%)2366(Top 21%)2366(Top 48%)
20K12.43 mi3.11 mi10652+2622154+1342154+1349955(Top 37%)1895(Top 17%)1895(Top 39%)
Half13.11 mi0.68 mi10613+392129+252129+2510091(Top 38%)1927(Top 17%)1927(Top 39%)
25K15.53 mi2.42 mi10296+3171994+1351994+1358998(Top 34%)1558(Top 14%)1558(Top 32%)
30K18.64 mi3.11 mi10216+802005-112005-1110073(Top 38%)2194(Top 19%)2194(Top 45%)
20M20.00 mi1.36 mi10260-442049-442049-4411079(Top 42%)2768(Top 24%)2768(Top 57%)
21M21.00 mi1.00 mi10259+12075-262075-2610772(Top 40%)2751(Top 24%)2751(Top 56%)
35K21.75 mi0.75 mi10241+182083-82083-810017(Top 38%)2355(Top 21%)2355(Top 48%)
23M23.00 mi1.25 mi10090+1512042+412042+418352(Top 31%)1735(Top 15%)1735(Top 36%)
24M24.00 mi1.00 mi9980+1102026+162026+168313(Top 31%)1805(Top 16%)1805(Top 37%)
40K24.85 mi0.85 mi9895+852013+132013+138690(Top 33%)2026(Top 18%)2026(Top 41%)
25.2M25.20 mi0.35 mi9889+62023-102023-1010486(Top 39%)2912(Top 25%)2912(Top 60%)
Finish26.22 mi1.02 mi9849+402025-22025-29912(Top 37%)2659(Top 23%)2659(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11037

Females

2366

F18-39

2366

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11054

Females

2341

F18-39

2341

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11037

Females

2366

F18-39

2366

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9955

Females

1895

F18-39

1895

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10091

Females

1927

F18-39

1927

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8998

Females

1558

F18-39

1558

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10073

Females

2194

F18-39

2194

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11079

Females

2768

F18-39

2768

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10772

Females

2751

F18-39

2751

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10017

Females

2355

F18-39

2355

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8352

Females

1735

F18-39

1735

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8313

Females

1805

F18-39

1805

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8690

Females

2026

F18-39

2026

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10486

Females

2912

F18-39

2912

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9912

Females

2659

F18-39

2659

Passing Analysis

Category:
Athletes Passed
2037*
Passed By
1130
Net Change
+907
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10756
5K → 10K237371-134#10756#10890
10K → 15K169193-24#10890#10914
15K → 20K31452+262#10914#10652
20K → Half5112+39#10652#10613
Half → 25K32912+317#10613#10296
25K → 30K191*111+80#10296#10216
30K → 20M68*112-44#10216#10260
20M → 21M8382+1#10260#10259
21M → 35K5537+18#10259#10241
35K → 23M17019+151#10241#10090
23M → 24M13323+110#10090#9980
24M → 40K11530+85#9980#9895
40K → 25.2M2822+6#9895#9889
25.2M → Finish94*54+40#9889#9849
TOTALS2037*1130+907

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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