Boston Marathon logo
BOSTON MARATHON 2023

Rosario Del Pilar Pizarro Cruz

Bib: 18729•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
9:38/mi
29:57
↑ 97↓ 3451.5%
10K· 6.21 mi
9:30/mi
59:29
↑ 79↓ 1380.4%
15K· 9.32 mi
9:46/mi
1:29:51
↑ 67↓ 78
20K· 12.43 mi
10:26/mi
2:02:17
↑ 106↓ 860.1%
Half· 13.11 mi
9:13/mi
2:08:34
↑ 19↓ 370.5%
25K· 15.53 mi
10:21/mi
2:33:39
↑ 66↓ 880.2%
30K· 18.64 mi
11:08/mi
3:08:14
↑ 181↓ 1480.2%
20M
10:44/mi
3:22:49
↑ 64↓ 500.2%
21M
12:32/mi
3:35:21
↑ 106↓ 241.6%
35K· 21.75 mi
10:32/mi
3:43:14
↑ 17↓ 861.7%
23M
12:29/mi
3:58:52
↑ 23↓ 630.6%
24M
10:01/mi
4:08:53
↓ 821.3%
40K· 24.85 mi
9:52/mi
4:17:19
↓ 200.3%
25.2M
10:35/mi
4:20:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:40/mi
4:30:49
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:34
Pace9:48 /mi
2nd Half
Distance13.11 mi
Time2:22:15
Pace10:51 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1929:579:3829:57
9:38
-
10K
6.21 mi11:55:5159:299:3429:32
9:30
-0:08
15K
9.32 mi12:26:131:29:519:3830:22
9:46
+0:16
20K
12.43 mi12:58:392:02:179:5032:26
10:26
+0:40
Half
13.11 mi13:04:562:08:349:486:17
9:13
-1:13
25K
15.53 mi13:30:012:33:399:5325:05
10:21
+1:08
30K
18.64 mi14:04:363:08:1410:0634:35
11:08
+0:47
20M
20.00 mi14:19:113:22:4910:0814:35
10:44
-0:24
21M
21.00 mi14:31:433:35:2110:1512:32
12:32
+1:48
35K
21.75 mi14:39:363:43:1410:167:53
10:32
-2:00
23M
23.00 mi14:55:143:58:5210:2315:38
12:29
+1:57
24M
24.00 mi15:05:154:08:5310:2210:01
10:01
-2:28
40K
24.85 mi15:13:414:17:1910:218:26
9:52
-0:09
25.2M
25.20 mi15:17:204:20:5810:213:39
10:35
+0:43
Finish
26.22 mi15:27:114:30:4910:209:51
9:40
-0:55

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

9:13 /mi

Average Pace

10:20 /mi

Slowest Pace

12:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:25

42% of race

Time at Steady Pace

1:33:39

35% of race

Time at Slower Pace

1:02:45

23% of race

Average Pace: 10:20 /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 mi11:26:1929:579:3829:57
9:38
#22501
10K
6.21 mi11:55:5159:299:3429:32
9:30
#22530
15K
9.32 mi12:26:131:29:519:3830:22
9:46
#22695
20K
12.43 mi12:58:392:02:179:5032:26
10:26
#23034
Half
13.11 mi13:04:562:08:349:486:17
9:13
#22953
25K
15.53 mi13:30:012:33:399:5325:05
10:21
#22934
30K
18.64 mi14:04:363:08:1410:0634:35
11:08
#23043
20M
20.00 mi14:19:113:22:4910:0814:35
10:44
#22963
21M
21.00 mi14:31:433:35:2110:1512:32
12:32
#22995
35K
21.75 mi14:39:363:43:1410:167:53
10:32
#22976
23M
23.00 mi14:55:143:58:5210:2315:38
12:29
#23109
24M
24.00 mi15:05:154:08:5310:2210:01
10:01
#23006
40K
24.85 mi15:13:414:17:1910:218:26
9:52
#22891
25.2M
25.20 mi15:17:204:20:5810:213:39
10:35
#22853
Finish
26.22 mi15:27:114:30:4910:209:51
9:40
#22800
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi225019136913622992(Top 86%)9341(Top 82%)9341(Top 191%)
10K6.21 mi3.10 mi22530-299113+239113+2322543(Top 85%)9111(Top 80%)9111(Top 187%)
15K9.32 mi3.11 mi22695-1659186-739186-7322992(Top 86%)9341(Top 82%)9341(Top 191%)
20K12.43 mi3.11 mi23034-3399365-1799365-17923732(Top 89%)9762(Top 85%)9762(Top 200%)
Half13.11 mi0.68 mi22953+819324+419324+4121238(Top 80%)8386(Top 73%)8386(Top 172%)
25K15.53 mi2.42 mi22934+199324932422920(Top 86%)9346(Top 82%)9346(Top 191%)
30K18.64 mi3.11 mi23043-1099407-839407-8323307(Top 88%)9632(Top 84%)9632(Top 197%)
20M20.00 mi1.36 mi22963+809378+299378+2922228(Top 83%)9108(Top 80%)9108(Top 186%)
21M21.00 mi1.00 mi22995-329405-279405-2723496(Top 88%)9809(Top 86%)9809(Top 201%)
35K21.75 mi0.75 mi22976+199401+49401+422468(Top 84%)9306(Top 81%)9306(Top 191%)
23M23.00 mi1.25 mi23109-1339479-789479-7824576(Top 92%)10427(Top 91%)10427(Top 213%)
24M24.00 mi1.00 mi23006+1039441+389441+3820856(Top 78%)8472(Top 74%)8472(Top 173%)
40K24.85 mi0.85 mi22891+1159389+529389+5219611(Top 74%)7848(Top 69%)7848(Top 161%)
25.2M25.20 mi0.35 mi22853+389364+259364+2519428(Top 73%)7762(Top 68%)7762(Top 159%)
Finish26.22 mi1.02 mi22800+539342+229342+2220705(Top 78%)8415(Top 74%)8415(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22992

Females

9341

F18-39

9341

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22543

Females

9111

F18-39

9111

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22992

Females

9341

F18-39

9341

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23732

Females

9762

F18-39

9762

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21238

Females

8386

F18-39

8386

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22920

Females

9346

F18-39

9346

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23307

Females

9632

F18-39

9632

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22228

Females

9108

F18-39

9108

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23496

Females

9809

F18-39

9809

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22468

Females

9306

F18-39

9306

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24576

Females

10427

F18-39

10427

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20856

Females

8472

F18-39

8472

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19611

Females

7848

F18-39

7848

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19428

Females

7762

F18-39

7762

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20705

Females

8415

F18-39

8415

Passing Analysis

Category:
Athletes Passed
1166
Passed By
1465
Net Change
-299
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22501
5K → 10K229258-29#22501#22530
10K → 15K90255-165#22530#22695
15K → 20K50389-339#22695#23034
20K → Half854+81#23034#22953
Half → 25K10081+19#22953#22934
25K → 30K81190-109#22934#23043
30K → 20M10727+80#23043#22963
20M → 21M3264-32#22963#22995
21M → 35K4223+19#22995#22976
35K → 23M24157-133#22976#23109
23M → 24M1085+103#23109#23006
24M → 40K1172+115#23006#22891
40K → 25.2M391+38#22891#22853
25.2M → Finish629+53#22853#22800
TOTALS11661465-299
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing