Boston Marathon logo
BOSTON MARATHON 2023

Leyre Santa Cruz Hernando

Bib: 11471•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
8:41/mi
26:59
↑ 97↓ 3451.5%
10K· 6.21 mi
9:28/mi
56:24
↑ 79↓ 1380.4%
15K· 9.32 mi
9:37/mi
1:26:17
↑ 67↓ 78
20K· 12.43 mi
10:00/mi
1:57:22
↑ 106↓ 860.1%
Half· 13.11 mi
9:33/mi
2:03:53
↑ 19↓ 370.5%
25K· 15.53 mi
10:23/mi
2:29:03
↑ 66↓ 880.2%
30K· 18.64 mi
10:24/mi
3:01:23
↑ 181↓ 1480.2%
20M
13:01/mi
3:19:05
↑ 64↓ 500.2%
21M
12:48/mi
3:31:53
↑ 106↓ 241.6%
35K· 21.75 mi
10:11/mi
3:39:30
↑ 17↓ 861.7%
23M
10:37/mi
3:52:47
↑ 23↓ 630.6%
24M
10:32/mi
4:03:19
↓ 821.3%
40K· 24.85 mi
10:40/mi
4:12:26
↓ 200.3%
25.2M
12:34/mi
4:16:46
↑ 13↓ 160.2%
Finish· 26.22 mi
12:24/mi
4:29:24
↑ 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
Time2:03:53
Pace9:27 /mi
2nd Half
Distance13.11 mi
Time2:25:31
Pace11:06 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0526:598:4126:59
8:41
-
10K
6.21 mi11:23:3056:249:0529:25
9:28
+0:47
15K
9.32 mi11:53:231:26:179:1529:53
9:37
+0:09
20K
12.43 mi12:24:281:57:229:2731:05
10:00
+0:23
Half
13.11 mi12:30:592:03:539:276:31
9:33
-0:27
25K
15.53 mi12:56:092:29:039:3625:10
10:23
+0:50
30K
18.64 mi13:28:293:01:239:4432:20
10:24
+0:01
20M
20.00 mi13:46:113:19:059:5717:42
13:01
+2:37
21M
21.00 mi13:58:593:31:5310:0512:48
12:48
-0:13
35K
21.75 mi14:06:363:39:3010:067:37
10:11
-2:37
23M
23.00 mi14:19:533:52:4710:0713:17
10:37
+0:26
24M
24.00 mi14:30:254:03:1910:0810:32
10:32
-0:05
40K
24.85 mi14:39:324:12:2610:099:07
10:40
+0:08
25.2M
25.20 mi14:43:524:16:4610:114:20
12:34
+1:54
Finish
26.22 mi14:56:304:29:2410:1712:38
12:24
-0:10

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

8:41 /mi

Average Pace

10:17 /mi

Slowest Pace

13:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:48

34% of race

Time at Steady Pace

2:09:08

48% of race

Time at Slower Pace

47:28

18% of race

Average Pace: 10:16 /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 mi10:54:0526:598:4126:59
8:41
#18798
10K
6.21 mi11:23:3056:249:0529:25
9:28
#20973
15K
9.32 mi11:53:231:26:179:1529:53
9:37
#21561
20K
12.43 mi12:24:281:57:229:2731:05
10:00
#21931
Half
13.11 mi12:30:592:03:539:276:31
9:33
#21940
25K
15.53 mi12:56:092:29:039:3625:10
10:23
#22179
30K
18.64 mi13:28:293:01:239:4432:20
10:24
#22159
20M
20.00 mi13:46:113:19:059:5717:42
13:01
#22531
21M
21.00 mi13:58:593:31:5310:0512:48
12:48
#22642
35K
21.75 mi14:06:363:39:3010:067:37
10:11
#22594
23M
23.00 mi14:19:533:52:4710:0713:17
10:37
#22522
24M
24.00 mi14:30:254:03:1910:0810:32
10:32
#22512
40K
24.85 mi14:39:324:12:2610:099:07
10:40
#22474
25.2M
25.20 mi14:43:524:16:4610:114:20
12:34
#22492
Finish
26.22 mi14:56:304:29:2410:1712:38
12:24
#22684
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi187987078707822574(Top 85%)9113(Top 80%)9113(Top 187%)
10K6.21 mi3.10 mi20973-21758311-12338311-123322430(Top 84%)9047(Top 79%)9047(Top 185%)
15K9.32 mi3.11 mi21561-5888593-2828593-28222574(Top 85%)9113(Top 80%)9113(Top 187%)
20K12.43 mi3.11 mi21931-3708795-2028795-20222935(Top 86%)9322(Top 82%)9322(Top 191%)
Half13.11 mi0.68 mi21940-98796-18796-122296(Top 84%)8950(Top 78%)8950(Top 183%)
25K15.53 mi2.42 mi22179-2398929-1338929-13322975(Top 86%)9375(Top 82%)9375(Top 192%)
30K18.64 mi3.11 mi22159+208924+58924+522019(Top 83%)8918(Top 78%)8918(Top 183%)
20M20.00 mi1.36 mi22531-3729154-2309154-23025203(Top 95%)10702(Top 94%)10702(Top 219%)
21M21.00 mi1.00 mi22642-1119221-679221-6723831(Top 90%)9997(Top 88%)9997(Top 205%)
35K21.75 mi0.75 mi22594+489202+199202+1921760(Top 82%)8914(Top 78%)8914(Top 183%)
23M23.00 mi1.25 mi22522+729169+339169+3321589(Top 81%)8845(Top 77%)8845(Top 181%)
24M24.00 mi1.00 mi22512+109170-19170-122119(Top 83%)9168(Top 80%)9168(Top 188%)
40K24.85 mi0.85 mi22474+389157+139157+1321641(Top 81%)8964(Top 78%)8964(Top 184%)
25.2M25.20 mi0.35 mi22492-189169-129169-1223396(Top 88%)9878(Top 86%)9878(Top 202%)
Finish26.22 mi1.02 mi22684-1929282-1139282-11325605(Top 96%)10979(Top 96%)10979(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22574

Females

9113

F18-39

9113

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22430

Females

9047

F18-39

9047

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22574

Females

9113

F18-39

9113

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22935

Females

9322

F18-39

9322

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22296

Females

8950

F18-39

8950

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22975

Females

9375

F18-39

9375

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22019

Females

8918

F18-39

8918

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25203

Females

10702

F18-39

10702

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23831

Females

9997

F18-39

9997

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21760

Females

8914

F18-39

8914

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21589

Females

8845

F18-39

8845

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22119

Females

9168

F18-39

9168

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21641

Females

8964

F18-39

8964

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23396

Females

9878

F18-39

9878

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25605

Females

10979

F18-39

10979

Passing Analysis

Category:
Athletes Passed
566
Passed By
4452
Net Change
-3886
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18798
5K → 10K82183-2175#18798#20973
10K → 15K28616-588#20973#21561
15K → 20K37407-370#21561#21931
20K → Half2130-9#21931#21940
Half → 25K39278-239#21940#22179
25K → 30K140120+20#22179#22159
30K → 20M8380-372#22159#22531
20M → 21M22133-111#22531#22642
21M → 35K6517+48#22642#22594
35K → 23M9321+72#22594#22522
23M → 24M3828+10#22522#22512
24M → 40K479+38#22512#22474
40K → 25.2M1230-18#22474#22492
25.2M → Finish8200-192#22492#22684
TOTALS5664452-3886
📊

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