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BOSTON MARATHON 2023

Ana Calderon-Cordero

Bib: 13172•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:02
Rank: #8928
Start → 5K
23:02 | 7:25/mi
10K· 6.21 mi
44:39
Rank: #7668 (+1260)
5K → 10K
21:37 | 6:57/mi
15K· 9.32 mi
1:06:12
Rank: #7131 (+537)
10K → 15K
21:33 | 6:56/mi
20K· 12.43 mi
1:27:54
Rank: #6772 (+359)
15K → 20K
21:42 | 6:59/mi
Half· 13.11 mi
1:32:37
Rank: #6738 (+34)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:49:33
Rank: #6517 (+221)
Half → 25K
16:56 | 6:59/mi
30K· 18.64 mi
2:12:13
Rank: #6361 (+156)
25K → 30K
22:40 | 7:18/mi
20M
2:22:13
Rank: #6299 (+62)
30K → 20M
10:00 | 7:22/mi
21M
2:29:57
Rank: #6230 (+69)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:35:07
Rank: #6161 (+69)
21M → 35K
5:10 | 6:54/mi
23M
2:44:04
Rank: #6008 (+153)
35K → 23M
8:57 | 7:09/mi
24M
2:51:00
Rank: #5876 (+132)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
2:57:02
Rank: #5776 (+100)
24M → 40K
6:02 | 7:03/mi
25.2M
2:59:38
Rank: #5723 (+53)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:06:34
Rank: #5606 (+117)
25.2M → Finish
6:56 | 6:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:37
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:33:57
Pace7:10 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1823:027:2523:02
7:25
-
10K
6.21 mi11:12:5544:397:1121:37
6:57
-0:28
15K
9.32 mi11:34:281:06:127:0621:33
6:56
-0:01
20K
12.43 mi11:56:101:27:547:0421:42
6:59
+0:03
Half
13.11 mi12:00:531:32:377:044:43
6:55
-0:04
25K
15.53 mi12:17:491:49:337:0316:56
6:59
+0:04
30K
18.64 mi12:40:292:12:137:0622:40
7:18
+0:19
20M
20.00 mi12:50:292:22:137:0710:00
7:22
+0:04
21M
21.00 mi12:58:132:29:577:087:44
7:44
+0:22
35K
21.75 mi13:03:232:35:077:085:10
6:54
-0:50
23M
23.00 mi13:12:202:44:047:088:57
7:09
+0:15
24M
24.00 mi13:19:162:51:007:086:56
6:56
-0:13
40K
24.85 mi13:25:182:57:027:076:02
7:03
+0:07
25.2M
25.20 mi13:27:542:59:387:082:36
7:32
+0:29
Finish
26.22 mi13:34:503:06:347:076:56
6:48
-0:44

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

6:48 /mi

Average Pace

7:07 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:14

94% of race

Time at Steady Pace

10:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:07 /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 mi10:51:1823:027:2523:02
7:25
#8928
10K
6.21 mi11:12:5544:397:1121:37
6:57
#7668
15K
9.32 mi11:34:281:06:127:0621:33
6:56
#7131
20K
12.43 mi11:56:101:27:547:0421:42
6:59
#6772
Half
13.11 mi12:00:531:32:377:044:43
6:55
#6738
25K
15.53 mi12:17:491:49:337:0316:56
6:59
#6517
30K
18.64 mi12:40:292:12:137:0622:40
7:18
#6361
20M
20.00 mi12:50:292:22:137:0710:00
7:22
#6299
21M
21.00 mi12:58:132:29:577:087:44
7:44
#6230
35K
21.75 mi13:03:232:35:077:085:10
6:54
#6161
23M
23.00 mi13:12:202:44:047:088:57
7:09
#6008
24M
24.00 mi13:19:162:51:007:086:56
6:56
#5876
40K
24.85 mi13:25:182:57:027:076:02
7:03
#5776
25.2M
25.20 mi13:27:542:59:387:082:36
7:32
#5723
Finish
26.22 mi13:34:503:06:347:076:56
6:48
#5606
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8928136613666192(Top 23%)574(Top 5%)574(Top 12%)
10K6.21 mi3.10 mi7668+1260908+458908+4586550(Top 25%)645(Top 6%)645(Top 13%)
15K9.32 mi3.11 mi7131+537769+139769+1396192(Top 23%)574(Top 5%)574(Top 12%)
20K12.43 mi3.11 mi6772+359687+82687+825900(Top 22%)501(Top 4%)501(Top 10%)
Half13.11 mi0.68 mi6738+34679+8679+86119(Top 23%)536(Top 5%)536(Top 11%)
25K15.53 mi2.42 mi6517+221646+33646+335509(Top 21%)437(Top 4%)437(Top 9%)
30K18.64 mi3.11 mi6361+156613+33613+336004(Top 23%)630(Top 6%)630(Top 13%)
20M20.00 mi1.36 mi6299+62614-1614-15980(Top 22%)698(Top 6%)698(Top 14%)
21M21.00 mi1.00 mi6230+69612+2612+25831(Top 22%)751(Top 7%)751(Top 15%)
35K21.75 mi0.75 mi6161+69598+14598+144857(Top 18%)473(Top 4%)473(Top 10%)
23M23.00 mi1.25 mi6008+153577+21577+214574(Top 17%)431(Top 4%)431(Top 9%)
24M24.00 mi1.00 mi5876+132558+19558+194372(Top 16%)414(Top 4%)414(Top 8%)
40K24.85 mi0.85 mi5776+100544+14544+144181(Top 16%)449(Top 4%)449(Top 9%)
25.2M25.20 mi0.35 mi5723+53540+4540+44158(Top 16%)484(Top 4%)484(Top 10%)
Finish26.22 mi1.02 mi5606+117524+16524+164117(Top 15%)484(Top 4%)484(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6192

Females

574

F18-39

574

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6550

Females

645

F18-39

645

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6192

Females

574

F18-39

574

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5900

Females

501

F18-39

501

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6119

Females

536

F18-39

536

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5509

Females

437

F18-39

437

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6004

Females

630

F18-39

630

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5980

Females

698

F18-39

698

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5831

Females

751

F18-39

751

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4857

Females

473

F18-39

473

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4574

Females

431

F18-39

431

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4372

Females

414

F18-39

414

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4181

Females

449

F18-39

449

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4158

Females

484

F18-39

484

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4117

Females

484

F18-39

484

Passing Analysis

Category:
Athletes Passed
3479
Passed By
157
Net Change
+3322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8928
5K → 10K127212+1260#8928#7668
10K → 15K5458+537#7668#7131
15K → 20K3612+359#7131#6772
20K → Half417+34#6772#6738
Half → 25K2276+221#6738#6517
25K → 30K19539+156#6517#6361
30K → 20M9129+62#6361#6299
20M → 21M9425+69#6299#6230
21M → 35K756+69#6230#6161
35K → 23M1585+153#6161#6008
23M → 24M1364+132#6008#5876
24M → 40K1033+100#5876#5776
40K → 25.2M563+53#5776#5723
25.2M → Finish1258+117#5723#5606
TOTALS3479157+3322
📊

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