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BOSTON MARATHON 2023

Ana Cecilia Aldrete Mejia

Bib: 9894•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Female)
#0 / 11423
Top 4%
Division (F18-39)
#0 / 4884
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:37
Rank: #7995
Start → 5K
22:37 | 7:17/mi
10K· 6.21 mi
44:21
Rank: #7349 (+646)
5K → 10K
21:44 | 7:00/mi
15K· 9.32 mi
1:06:04
Rank: #7029 (+320)
10K → 15K
21:43 | 6:59/mi
20K· 12.43 mi
1:27:36
Rank: #6633 (+396)
15K → 20K
21:32 | 6:56/mi
Half· 13.11 mi
1:32:16
Rank: #6579 (+54)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:49:19
Rank: #6433 (+146)
Half → 25K
17:03 | 7:02/mi
30K· 18.64 mi
2:11:29
Rank: #6155 (+278)
25K → 30K
22:10 | 7:08/mi
20M
2:21:03
Rank: #5970 (+185)
30K → 20M
9:34 | 7:02/mi
21M
2:28:29
Rank: #5826 (+144)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:33:38
Rank: #5773 (+53)
21M → 35K
5:09 | 6:53/mi
23M
2:42:25
Rank: #5596 (+177)
35K → 23M
8:47 | 7:01/mi
24M
2:49:15
Rank: #5463 (+133)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:55:18
Rank: #5364 (+99)
24M → 40K
6:03 | 7:05/mi
25.2M
2:57:53
Rank: #5316 (+48)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:04:42
Rank: #5189 (+127)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:32:16
Pace7:02 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:26
Pace7:03 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2022:377:1722:37
7:17
-
10K
6.21 mi11:10:0444:217:0821:44
7:00
-0:17
15K
9.32 mi11:31:471:06:047:0521:43
6:59
-0:01
20K
12.43 mi11:53:191:27:367:0321:32
6:56
-0:03
Half
13.11 mi11:57:591:32:167:024:40
6:50
-0:06
25K
15.53 mi12:15:021:49:197:0217:03
7:02
+0:12
30K
18.64 mi12:37:122:11:297:0322:10
7:08
+0:06
20M
20.00 mi12:46:462:21:037:039:34
7:02
-0:06
21M
21.00 mi12:54:122:28:297:047:26
7:26
+0:24
35K
21.75 mi12:59:212:33:387:045:09
6:53
-0:33
23M
23.00 mi13:08:082:42:257:048:47
7:01
+0:08
24M
24.00 mi13:14:582:49:157:036:50
6:50
-0:11
40K
24.85 mi13:21:012:55:187:036:03
7:05
+0:15
25.2M
25.20 mi13:23:362:57:537:042:35
7:29
+0:24
Finish
26.22 mi13:30:253:04:427:036:49
6:41
-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

6:41 /mi

Average Pace

7:03 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:41

95% of race

Time at Steady Pace

10:01

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:03 /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 mi10:48:2022:377:1722:37
7:17
#7995
10K
6.21 mi11:10:0444:217:0821:44
7:00
#7349
15K
9.32 mi11:31:471:06:047:0521:43
6:59
#7029
20K
12.43 mi11:53:191:27:367:0321:32
6:56
#6633
Half
13.11 mi11:57:591:32:167:024:40
6:50
#6579
25K
15.53 mi12:15:021:49:197:0217:03
7:02
#6433
30K
18.64 mi12:37:122:11:297:0322:10
7:08
#6155
20M
20.00 mi12:46:462:21:037:039:34
7:02
#5970
21M
21.00 mi12:54:122:28:297:047:26
7:26
#5826
35K
21.75 mi12:59:212:33:387:045:09
6:53
#5773
23M
23.00 mi13:08:082:42:257:048:47
7:01
#5596
24M
24.00 mi13:14:582:49:157:036:50
6:50
#5463
40K
24.85 mi13:21:012:55:187:036:03
7:05
#5364
25.2M
25.20 mi13:23:362:57:537:042:35
7:29
#5316
Finish
26.22 mi13:30:253:04:427:036:49
6:41
#5189
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi7995100810086501(Top 24%)633(Top 6%)633(Top 13%)
10K6.21 mi3.10 mi7349+646818+190818+1906799(Top 26%)699(Top 6%)699(Top 14%)
15K9.32 mi3.11 mi7029+320744+74744+746501(Top 24%)633(Top 6%)633(Top 13%)
20K12.43 mi3.11 mi6633+396664+80664+805562(Top 21%)441(Top 4%)441(Top 9%)
Half13.11 mi0.68 mi6579+54652+12652+125675(Top 21%)450(Top 4%)450(Top 9%)
25K15.53 mi2.42 mi6433+146621+31621+315773(Top 22%)484(Top 4%)484(Top 10%)
30K18.64 mi3.11 mi6155+278567+54567+545129(Top 19%)419(Top 4%)419(Top 9%)
20M20.00 mi1.36 mi5970+185535+32535+324297(Top 16%)335(Top 3%)335(Top 7%)
21M21.00 mi1.00 mi5826+144511+24511+244314(Top 16%)365(Top 3%)365(Top 7%)
35K21.75 mi0.75 mi5773+53503+8503+84726(Top 18%)443(Top 4%)443(Top 9%)
23M23.00 mi1.25 mi5596+177474+29474+293893(Top 15%)307(Top 3%)307(Top 6%)
24M24.00 mi1.00 mi5463+133464+10464+103877(Top 15%)335(Top 3%)335(Top 7%)
40K24.85 mi0.85 mi5364+99457+7457+74278(Top 16%)469(Top 4%)469(Top 10%)
25.2M25.20 mi0.35 mi5316+48453+4453+43933(Top 15%)422(Top 4%)422(Top 9%)
Finish26.22 mi1.02 mi5189+127435+18435+183492(Top 13%)362(Top 3%)362(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6501

Females

633

F18-39

633

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6799

Females

699

F18-39

699

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6501

Females

633

F18-39

633

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5562

Females

441

F18-39

441

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5675

Females

450

F18-39

450

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5773

Females

484

F18-39

484

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5129

Females

419

F18-39

419

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4297

Females

335

F18-39

335

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4314

Females

365

F18-39

365

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4726

Females

443

F18-39

443

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3893

Females

307

F18-39

307

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3877

Females

335

F18-39

335

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4278

Females

469

F18-39

469

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3933

Females

422

F18-39

422

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3492

Females

362

F18-39

362

Passing Analysis

Category:
Athletes Passed
2945
Passed By
139
Net Change
+2806
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7995
5K → 10K68236+646#7995#7349
10K → 15K35131+320#7349#7029
15K → 20K4004+396#7029#6633
20K → Half595+54#6633#6579
Half → 25K15812+146#6579#6433
25K → 30K29113+278#6433#6155
30K → 20M1872+185#6155#5970
20M → 21M1473+144#5970#5826
21M → 35K607+53#5826#5773
35K → 23M1825+177#5773#5596
23M → 24M1341+133#5596#5463
24M → 40K11112+99#5463#5364
40K → 25.2M502+48#5364#5316
25.2M → Finish1336+127#5316#5189
TOTALS2945139+2806
📊

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