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BOSTON MARATHON 2023

Carolina Mendoza

Bib: 17290•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:03
Rank: #14445
Start → 5K
25:03 | 8:04/mi
10K· 6.21 mi
49:21
Rank: #13927 (+518)
5K → 10K
24:18 | 7:49/mi
15K· 9.32 mi
1:12:58
Rank: #12957 (+970)
10K → 15K
23:37 | 7:36/mi
20K· 12.43 mi
1:36:43
Rank: #12236 (+721)
15K → 20K
23:45 | 7:39/mi
Half· 13.11 mi
1:41:44
Rank: #12064 (+172)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
2:00:12
Rank: #11595 (+469)
Half → 25K
18:28 | 7:37/mi
30K· 18.64 mi
2:24:14
Rank: #11064 (+531)
25K → 30K
24:02 | 7:44/mi
20M
2:34:35
Rank: #10761 (+303)
30K → 20M
10:21 | 7:37/mi
21M
2:42:45
Rank: #10617 (+144)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:48:26
Rank: #10535 (+82)
21M → 35K
5:41 | 7:36/mi
23M
2:58:17
Rank: #10413 (+122)
35K → 23M
9:51 | 7:52/mi
24M
3:06:03
Rank: #10360 (+53)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:12:45
Rank: #10280 (+80)
24M → 40K
6:42 | 7:50/mi
25.2M
3:15:40
Rank: #10238 (+42)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:23:28
Rank: #10188 (+50)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0725:038:0425:03
8:04
-
10K
6.21 mi11:40:2549:217:5724:18
7:49
-0:15
15K
9.32 mi12:04:021:12:587:5023:37
7:36
-0:13
20K
12.43 mi12:27:471:36:437:4723:45
7:39
+0:03
Half
13.11 mi12:32:481:41:447:465:01
7:21
-0:18
25K
15.53 mi12:51:162:00:127:4418:28
7:37
+0:16
30K
18.64 mi13:15:182:24:147:4424:02
7:44
+0:07
20M
20.00 mi13:25:392:34:357:4410:21
7:37
-0:07
21M
21.00 mi13:33:492:42:457:458:10
8:10
+0:33
35K
21.75 mi13:39:302:48:267:455:41
7:36
-0:34
23M
23.00 mi13:49:212:58:177:459:51
7:52
+0:16
24M
24.00 mi13:57:073:06:037:457:46
7:46
-0:06
40K
24.85 mi14:03:493:12:457:456:42
7:50
+0:04
25.2M
25.20 mi14:06:443:15:407:462:55
8:27
+0:37
Finish
26.22 mi14:14:323:23:287:467:48
7:39
-0:48

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

7:46 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:23

95% of race

Time at Steady Pace

11:05

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:46 /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 mi11:16:0725:038:0425:03
8:04
#14445
10K
6.21 mi11:40:2549:217:5724:18
7:49
#13927
15K
9.32 mi12:04:021:12:587:5023:37
7:36
#12957
20K
12.43 mi12:27:471:36:437:4723:45
7:39
#12236
Half
13.11 mi12:32:481:41:447:465:01
7:21
#12064
25K
15.53 mi12:51:162:00:127:4418:28
7:37
#11595
30K
18.64 mi13:15:182:24:147:4424:02
7:44
#11064
20M
20.00 mi13:25:392:34:357:4410:21
7:37
#10761
21M
21.00 mi13:33:492:42:457:458:10
8:10
#10617
35K
21.75 mi13:39:302:48:267:455:41
7:36
#10535
23M
23.00 mi13:49:212:58:177:459:51
7:52
#10413
24M
24.00 mi13:57:073:06:037:457:46
7:46
#10360
40K
24.85 mi14:03:493:12:457:456:42
7:50
#10280
25.2M
25.20 mi14:06:443:15:407:462:55
8:27
#10238
Finish
26.22 mi14:14:323:23:287:467:48
7:39
#10188
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144454291429111040(Top 41%)2369(Top 21%)2369(Top 49%)
10K6.21 mi3.10 mi13927+5183992+2993992+29913324(Top 50%)3616(Top 32%)3616(Top 74%)
15K9.32 mi3.11 mi12957+9703432+5603432+56011040(Top 41%)2369(Top 21%)2369(Top 49%)
20K12.43 mi3.11 mi12236+7213053+3793053+37910475(Top 39%)2133(Top 19%)2133(Top 44%)
Half13.11 mi0.68 mi12064+1722954+992954+999114(Top 34%)1538(Top 13%)1538(Top 31%)
25K15.53 mi2.42 mi11595+4692693+2612693+2619688(Top 36%)1867(Top 16%)1867(Top 38%)
30K18.64 mi3.11 mi11064+5312438+2552438+2558918(Top 33%)1678(Top 15%)1678(Top 34%)
20M20.00 mi1.36 mi10761+3032314+1242314+1247633(Top 29%)1276(Top 11%)1276(Top 26%)
21M21.00 mi1.00 mi10617+1442258+562258+568456(Top 32%)1711(Top 15%)1711(Top 35%)
35K21.75 mi0.75 mi10535+822236+222236+229302(Top 35%)2055(Top 18%)2055(Top 42%)
23M23.00 mi1.25 mi10413+1222204+322204+328891(Top 33%)1973(Top 17%)1973(Top 40%)
24M24.00 mi1.00 mi10360+532205-12205-19552(Top 36%)2362(Top 21%)2362(Top 48%)
40K24.85 mi0.85 mi10280+802191+142191+148933(Top 34%)2149(Top 19%)2149(Top 44%)
25.2M25.20 mi0.35 mi10238+422184+72184+79308(Top 35%)2367(Top 21%)2367(Top 48%)
Finish26.22 mi1.02 mi10188+502193-92193-99677(Top 36%)2556(Top 22%)2556(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11040

Females

2369

F18-39

2369

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13324

Females

3616

F18-39

3616

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11040

Females

2369

F18-39

2369

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10475

Females

2133

F18-39

2133

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9114

Females

1538

F18-39

1538

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9688

Females

1867

F18-39

1867

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8918

Females

1678

F18-39

1678

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7633

Females

1276

F18-39

1276

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8456

Females

1711

F18-39

1711

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9302

Females

2055

F18-39

2055

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8891

Females

1973

F18-39

1973

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9552

Females

2362

F18-39

2362

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8933

Females

2149

F18-39

2149

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9308

Females

2367

F18-39

2367

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9677

Females

2556

F18-39

2556

Passing Analysis

Category:
Athletes Passed
4596*
Passed By
339
Net Change
+4257
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14445
5K → 10K637119+518#14445#13927
10K → 15K98111+970#13927#12957
15K → 20K7309+721#12957#12236
20K → Half1731+172#12236#12064
Half → 25K4745+469#12064#11595
25K → 30K54110+531#11595#11064
30K → 20M305*2+303#11064#10761
20M → 21M15814+144#10761#10617
21M → 35K9311+82#10617#10535
35K → 23M14826+122#10535#10413
23M → 24M8734+53#10413#10360
24M → 40K11535+80#10360#10280
40K → 25.2M56*14+42#10280#10238
25.2M → Finish9848+50#10238#10188
TOTALS4596*339+4257

* 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