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BOSTON MARATHON 2023

Monica Guerrero

Bib: 17359•F

NV

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 17%
Division (F18-39)
#0 / 4884
Top 30%
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
7:21/mi
22:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:09:46
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:33:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:38:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:57:29
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:21:52
↑ 181↓ 1480.2%
20M
8:01/mi
2:32:46
↑ 64↓ 500.2%
21M
8:16/mi
2:41:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:46:41
↑ 17↓ 861.7%
23M
7:50/mi
2:56:29
↑ 23↓ 630.6%
24M
7:47/mi
3:04:16
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:11:01
↓ 200.3%
25.2M
8:16/mi
3:13:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:21:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:43
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:42:51
Pace7:51 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2722:507:2122:50
7:21
-
10K
6.21 mi11:36:5546:187:2723:28
7:33
+0:12
15K
9.32 mi12:00:231:09:467:2923:28
7:33
0:00
20K
12.43 mi12:24:111:33:347:3223:48
7:40
+0:07
Half
13.11 mi12:29:201:38:437:325:09
7:33
-0:07
25K
15.53 mi12:48:061:57:297:3418:46
7:44
+0:11
30K
18.64 mi13:12:292:21:527:3724:23
7:51
+0:07
20M
20.00 mi13:23:232:32:467:3810:54
8:01
+0:10
21M
21.00 mi13:31:392:41:027:408:16
8:16
+0:15
35K
21.75 mi13:37:182:46:417:405:39
7:33
-0:43
23M
23.00 mi13:47:062:56:297:409:48
7:50
+0:17
24M
24.00 mi13:54:533:04:167:417:47
7:47
-0:03
40K
24.85 mi14:01:383:11:017:416:45
7:54
+0:07
25.2M
25.20 mi14:04:293:13:527:422:51
8:16
+0:22
Finish
26.22 mi14:12:113:21:347:427:42
7:33
-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

7:21 /mi

Average Pace

7:42 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:27

94% of race

Time at Steady Pace

11:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi11:13:2722:507:2122:50
7:21
#8459
10K
6.21 mi11:36:5546:187:2723:28
7:33
#9591
15K
9.32 mi12:00:231:09:467:2923:28
7:33
#9908
20K
12.43 mi12:24:111:33:347:3223:48
7:40
#10084
Half
13.11 mi12:29:201:38:437:325:09
7:33
#10108
25K
15.53 mi12:48:061:57:297:3418:46
7:44
#10169
30K
18.64 mi13:12:292:21:527:3724:23
7:51
#10049
20M
20.00 mi13:23:232:32:467:3810:54
8:01
#10059
21M
21.00 mi13:31:392:41:027:408:16
8:16
#9970
35K
21.75 mi13:37:182:46:417:405:39
7:33
#9913
23M
23.00 mi13:47:062:56:297:409:48
7:50
#9792
24M
24.00 mi13:54:533:04:167:417:47
7:47
#9757
40K
24.85 mi14:01:383:11:017:416:45
7:54
#9715
25.2M
25.20 mi14:04:293:13:527:422:51
8:16
#9660
Finish
26.22 mi14:12:113:21:347:427:42
7:33
#9605
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi84591176117610616(Top 40%)2141(Top 19%)2141(Top 44%)
10K6.21 mi3.10 mi9591-11321654-4781654-47810913(Top 41%)2265(Top 20%)2265(Top 46%)
15K9.32 mi3.11 mi9908-3171786-1321786-13210616(Top 40%)2141(Top 19%)2141(Top 44%)
20K12.43 mi3.11 mi10084-1761873-871873-8710600(Top 40%)2199(Top 19%)2199(Top 45%)
Half13.11 mi0.68 mi10108-241887-141887-1410652(Top 40%)2190(Top 19%)2190(Top 45%)
25K15.53 mi2.42 mi10169-611934-471934-4710622(Top 40%)2292(Top 20%)2292(Top 47%)
30K18.64 mi3.11 mi10049+1201913+211913+219736(Top 37%)2033(Top 18%)2033(Top 42%)
20M20.00 mi1.36 mi10059-101951-381951-3810430(Top 39%)2438(Top 21%)2438(Top 50%)
21M21.00 mi1.00 mi9970+891935+161935+169053(Top 34%)1950(Top 17%)1950(Top 40%)
35K21.75 mi0.75 mi9913+571922+131922+138965(Top 34%)1902(Top 17%)1902(Top 39%)
23M23.00 mi1.25 mi9792+1211907+151907+158626(Top 32%)1853(Top 16%)1853(Top 38%)
24M24.00 mi1.00 mi9757+351914-71914-79671(Top 36%)2420(Top 21%)2420(Top 50%)
40K24.85 mi0.85 mi9715+421917-31917-39332(Top 35%)2314(Top 20%)2314(Top 47%)
25.2M25.20 mi0.35 mi9660+551913+41913+48162(Top 31%)1889(Top 17%)1889(Top 39%)
Finish26.22 mi1.02 mi9605+551919-61919-68982(Top 34%)2233(Top 20%)2233(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10616

Females

2141

F18-39

2141

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10913

Females

2265

F18-39

2265

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10616

Females

2141

F18-39

2141

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10600

Females

2199

F18-39

2199

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10652

Females

2190

F18-39

2190

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10622

Females

2292

F18-39

2292

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9736

Females

2033

F18-39

2033

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10430

Females

2438

F18-39

2438

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9053

Females

1950

F18-39

1950

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8965

Females

1902

F18-39

1902

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8626

Females

1853

F18-39

1853

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9671

Females

2420

F18-39

2420

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9332

Females

2314

F18-39

2314

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8162

Females

1889

F18-39

1889

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8982

Females

2233

F18-39

2233

Passing Analysis

Category:
Athletes Passed
1329*
Passed By
2474
Net Change
-1146
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8459
5K → 10K331165-1132#8459#9591
10K → 15K79395-317#9591#9908
15K → 20K109285-176#9908#10084
20K → Half29*53-24#10084#10108
Half → 25K104165-61#10108#10169
25K → 30K220*100+120#10169#10049
30K → 20M8797-10#10049#10059
20M → 21M132*43+89#10059#9970
21M → 35K7013+57#9970#9913
35K → 23M14928+121#9913#9792
23M → 24M7237+35#9792#9757
24M → 40K83*41+42#9757#9715
40K → 25.2M6712+55#9715#9660
25.2M → Finish9540+55#9660#9605
TOTALS1329*2474-1146

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

📊

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