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BOSTON MARATHON 2023

Natasha Carrillo

Bib: 10582•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 10%
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
7:22/mi
22:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:07:50
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:30:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:04/mi
1:34:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:05/mi
1:52:09
↑ 66↓ 880.2%
30K· 18.64 mi
6:59/mi
2:13:51
↑ 181↓ 1480.2%
20M
6:56/mi
2:23:16
↑ 64↓ 500.2%
21M
7:27/mi
2:30:43
↑ 106↓ 241.6%
35K· 21.75 mi
6:45/mi
2:35:46
↑ 17↓ 861.7%
23M
7:03/mi
2:44:36
↑ 23↓ 630.6%
24M
6:52/mi
2:51:28
↓ 821.3%
40K· 24.85 mi
7:12/mi
2:57:37
↓ 200.3%
25.2M
7:41/mi
3:00:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:01/mi
3:07:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:58
Pace7:15 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:27
Pace7:03 /mi
📊Negative Split: 2.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2222:527:2222:52
7:22
-
10K
6.21 mi11:11:4845:187:1722:26
7:13
-0:09
15K
9.32 mi11:34:201:07:507:1722:32
7:15
+0:02
20K
12.43 mi11:56:391:30:097:1522:19
7:11
-0:04
Half
13.11 mi12:01:281:34:587:154:49
7:04
-0:07
25K
15.53 mi12:18:391:52:097:1317:11
7:05
+0:01
30K
18.64 mi12:40:212:13:517:1121:42
6:59
-0:06
20M
20.00 mi12:49:462:23:167:109:25
6:56
-0:03
21M
21.00 mi12:57:132:30:437:117:27
7:27
+0:31
35K
21.75 mi13:02:162:35:467:105:03
6:45
-0:42
23M
23.00 mi13:11:062:44:367:098:50
7:03
+0:18
24M
24.00 mi13:17:582:51:287:096:52
6:52
-0:11
40K
24.85 mi13:24:072:57:377:096:09
7:12
+0:20
25.2M
25.20 mi13:26:463:00:167:092:39
7:41
+0:29
Finish
26.22 mi13:33:553:07:257:097:09
7:01
-0:40

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

6:45 /mi

Average Pace

7:09 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:19

95% of race

Time at Steady Pace

10:06

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:09 /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 mi10:49:2222:527:2222:52
7:22
#8516
10K
6.21 mi11:11:4845:187:1722:26
7:13
#8382
15K
9.32 mi11:34:201:07:507:1722:32
7:15
#8290
20K
12.43 mi11:56:391:30:097:1522:19
7:11
#7928
Half
13.11 mi12:01:281:34:587:154:49
7:04
#7872
25K
15.53 mi12:18:391:52:097:1317:11
7:05
#7515
30K
18.64 mi12:40:212:13:517:1121:42
6:59
#6872
20M
20.00 mi12:49:462:23:167:109:25
6:56
#6606
21M
21.00 mi12:57:132:30:437:117:27
7:27
#6442
35K
21.75 mi13:02:162:35:467:105:03
6:45
#6318
23M
23.00 mi13:11:062:44:367:098:50
7:03
#6149
24M
24.00 mi13:17:582:51:287:096:52
6:52
#5997
40K
24.85 mi13:24:072:57:377:096:09
7:12
#5910
25.2M
25.20 mi13:26:463:00:167:092:39
7:41
#5875
Finish
26.22 mi13:33:553:07:257:097:09
7:01
#5801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8516119211928178(Top 31%)1123(Top 10%)1123(Top 23%)
10K6.21 mi3.10 mi8382+1341172+201172+208259(Top 31%)1122(Top 10%)1122(Top 23%)
15K9.32 mi3.11 mi8290+921138+341138+348178(Top 31%)1123(Top 10%)1123(Top 23%)
20K12.43 mi3.11 mi7928+3621025+1131025+1136998(Top 26%)777(Top 7%)777(Top 16%)
Half13.11 mi0.68 mi7872+561007+181007+186955(Top 26%)739(Top 6%)739(Top 15%)
25K15.53 mi2.42 mi7515+357896+111896+1116056(Top 23%)565(Top 5%)565(Top 12%)
30K18.64 mi3.11 mi6872+643749+147749+1474266(Top 16%)294(Top 3%)294(Top 6%)
20M20.00 mi1.36 mi6606+266693+56693+563629(Top 14%)244(Top 2%)244(Top 5%)
21M21.00 mi1.00 mi6442+164666+27666+274371(Top 16%)377(Top 3%)377(Top 8%)
35K21.75 mi0.75 mi6318+124632+34632+343937(Top 15%)319(Top 3%)319(Top 7%)
23M23.00 mi1.25 mi6149+169604+28604+284097(Top 15%)336(Top 3%)336(Top 7%)
24M24.00 mi1.00 mi5997+152586+18586+184048(Top 15%)359(Top 3%)359(Top 7%)
40K24.85 mi0.85 mi5910+87577+9577+94876(Top 18%)606(Top 5%)606(Top 12%)
25.2M25.20 mi0.35 mi5875+35573+4573+44859(Top 18%)666(Top 6%)666(Top 14%)
Finish26.22 mi1.02 mi5801+74569+4569+45330(Top 20%)829(Top 7%)829(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8178

Females

1123

F18-39

1123

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8259

Females

1122

F18-39

1122

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8178

Females

1123

F18-39

1123

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6998

Females

777

F18-39

777

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6955

Females

739

F18-39

739

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6056

Females

565

F18-39

565

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4266

Females

294

F18-39

294

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3629

Females

244

F18-39

244

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4371

Females

377

F18-39

377

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

3937

Females

319

F18-39

319

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4097

Females

336

F18-39

336

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4048

Females

359

F18-39

359

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4876

Females

606

F18-39

606

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4859

Females

666

F18-39

666

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5330

Females

829

F18-39

829

Passing Analysis

Category:
Athletes Passed
3054
Passed By
339
Net Change
+2715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8516
5K → 10K304170+134#8516#8382
10K → 15K18795+92#8382#8290
15K → 20K3719+362#8290#7928
20K → Half637+56#7928#7872
Half → 25K3570+357#7872#7515
25K → 30K6441+643#7515#6872
30K → 20M2671+266#6872#6606
20M → 21M1695+164#6606#6442
21M → 35K1240+124#6442#6318
35K → 23M1767+169#6318#6149
23M → 24M1520+152#6149#5997
24M → 40K10114+87#5997#5910
40K → 25.2M405+35#5910#5875
25.2M → Finish9925+74#5875#5801
TOTALS3054339+2715
📊

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