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BOSTON MARATHON 2023

Ana Carolina Grandesso

Bib: 15610•F

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

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #10862
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
47:26
Rank: #11208 (-346)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:11:10
Rank: #11250 (-42)
10K → 15K
23:44 | 7:38/mi
20K· 12.43 mi
1:35:03
Rank: #11096 (+154)
15K → 20K
23:53 | 7:41/mi
Half· 13.11 mi
1:40:13
Rank: #11077 (+19)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:58:47
Rank: #10877 (+200)
Half → 25K
18:34 | 7:39/mi
30K· 18.64 mi
2:23:03
Rank: #10563 (+314)
25K → 30K
24:16 | 7:49/mi
20M
2:33:29
Rank: #10351 (+212)
30K → 20M
10:26 | 7:41/mi
21M
2:41:30
Rank: #10142 (+209)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:47:03
Rank: #10036 (+106)
21M → 35K
5:33 | 7:25/mi
23M
2:56:40
Rank: #9856 (+180)
35K → 23M
9:37 | 7:41/mi
24M
3:04:19
Rank: #9769 (+87)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
3:11:02
Rank: #9722 (+47)
24M → 40K
6:43 | 7:51/mi
25.2M
3:13:55
Rank: #9686 (+36)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:21:36
Rank: #9621 (+65)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:13
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:41:23
Pace7:44 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4123:437:3823:43
7:38
-
10K
6.21 mi11:17:2447:267:3823:43
7:38
0:00
15K
9.32 mi11:41:081:11:107:3823:44
7:38
0:00
20K
12.43 mi12:05:011:35:037:3923:53
7:41
+0:03
Half
13.11 mi12:10:111:40:137:395:10
7:34
-0:07
25K
15.53 mi12:28:451:58:477:3918:34
7:39
+0:05
30K
18.64 mi12:53:012:23:037:4024:16
7:49
+0:10
20M
20.00 mi13:03:272:33:297:4010:26
7:41
-0:08
21M
21.00 mi13:11:282:41:307:418:01
8:01
+0:20
35K
21.75 mi13:17:012:47:037:415:33
7:25
-0:36
23M
23.00 mi13:26:382:56:407:419:37
7:41
+0:16
24M
24.00 mi13:34:173:04:197:417:39
7:39
-0:02
40K
24.85 mi13:41:003:11:027:416:43
7:51
+0:12
25.2M
25.20 mi13:43:533:13:557:422:53
8:22
+0:31
Finish
26.22 mi13:51:343:21:367:427:41
7:32
-0:50

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

7:25 /mi

Average Pace

7:42 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:43

99% of race

Time at Steady Pace

2:53

1% 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 mi10:53:4123:437:3823:43
7:38
#10862
10K
6.21 mi11:17:2447:267:3823:43
7:38
#11208
15K
9.32 mi11:41:081:11:107:3823:44
7:38
#11250
20K
12.43 mi12:05:011:35:037:3923:53
7:41
#11096
Half
13.11 mi12:10:111:40:137:395:10
7:34
#11077
25K
15.53 mi12:28:451:58:477:3918:34
7:39
#10877
30K
18.64 mi12:53:012:23:037:4024:16
7:49
#10563
20M
20.00 mi13:03:272:33:297:4010:26
7:41
#10351
21M
21.00 mi13:11:282:41:307:418:01
8:01
#10142
35K
21.75 mi13:17:012:47:037:415:33
7:25
#10036
23M
23.00 mi13:26:382:56:407:419:37
7:41
#9856
24M
24.00 mi13:34:173:04:197:417:39
7:39
#9769
40K
24.85 mi13:41:003:11:027:416:43
7:51
#9722
25.2M
25.20 mi13:43:533:13:557:422:53
8:22
#9686
Finish
26.22 mi13:51:343:21:367:427:41
7:32
#9621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi108622258225811346(Top 43%)2537(Top 22%)2537(Top 52%)
10K6.21 mi3.10 mi11208-3462442-1842442-18411645(Top 44%)2670(Top 23%)2670(Top 55%)
15K9.32 mi3.11 mi11250-422463-212463-2111346(Top 43%)2537(Top 22%)2537(Top 52%)
20K12.43 mi3.11 mi11096+1542380+832380+8310826(Top 41%)2321(Top 20%)2321(Top 48%)
Half13.11 mi0.68 mi11077+192370+102370+1010851(Top 41%)2280(Top 20%)2280(Top 47%)
25K15.53 mi2.42 mi10877+2002287+832287+839979(Top 37%)1991(Top 17%)1991(Top 41%)
30K18.64 mi3.11 mi10563+3142186+1012186+1019459(Top 36%)1911(Top 17%)1911(Top 39%)
20M20.00 mi1.36 mi10351+2122092+942092+948054(Top 30%)1429(Top 13%)1429(Top 29%)
21M21.00 mi1.00 mi10142+2092013+792013+797486(Top 28%)1317(Top 12%)1317(Top 27%)
35K21.75 mi0.75 mi10036+1061990+231990+237999(Top 30%)1506(Top 13%)1506(Top 31%)
23M23.00 mi1.25 mi9856+1801930+601930+607647(Top 29%)1435(Top 13%)1435(Top 29%)
24M24.00 mi1.00 mi9769+871920+101920+108780(Top 33%)1992(Top 17%)1992(Top 41%)
40K24.85 mi0.85 mi9722+471923-31923-39067(Top 34%)2199(Top 19%)2199(Top 45%)
25.2M25.20 mi0.35 mi9686+361922+11922+18722(Top 33%)2125(Top 19%)2125(Top 44%)
Finish26.22 mi1.02 mi9621+651925-31925-38871(Top 33%)2184(Top 19%)2184(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11346

Females

2537

F18-39

2537

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11645

Females

2670

F18-39

2670

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11346

Females

2537

F18-39

2537

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10826

Females

2321

F18-39

2321

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10851

Females

2280

F18-39

2280

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9979

Females

1991

F18-39

1991

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9459

Females

1911

F18-39

1911

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8054

Females

1429

F18-39

1429

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7486

Females

1317

F18-39

1317

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7999

Females

1506

F18-39

1506

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7647

Females

1435

F18-39

1435

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8780

Females

1992

F18-39

1992

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9067

Females

2199

F18-39

2199

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8722

Females

2125

F18-39

2125

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8871

Females

2184

F18-39

2184

Passing Analysis

Category:
Athletes Passed
2276*
Passed By
1035
Net Change
+1241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10862
5K → 10K162508-346#10862#11208
10K → 15K165207-42#11208#11250
15K → 20K23985+154#11250#11096
20K → Half3617+19#11096#11077
Half → 25K23030+200#11077#10877
25K → 30K36046+314#10877#10563
30K → 20M216*4+212#10563#10351
20M → 21M22112+209#10351#10142
21M → 35K1137+106#10142#10036
35K → 23M189*9+180#10036#9856
23M → 24M10821+87#9856#9769
24M → 40K86*39+47#9769#9722
40K → 25.2M4913+36#9722#9686
25.2M → Finish102*37+65#9686#9621
TOTALS2276*1035+1241

* 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