Boston Marathon logo
BOSTON MARATHON 2023

Maria Cruz

Bib: 19626•F

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F50-54)
#0 / 1207
Top 34%
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
8:21/mi
25:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
51:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:16:32
↑ 67↓ 78
20K· 12.43 mi
8:22/mi
1:42:33
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:48:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:28/mi
2:08:39
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:36:53
↑ 181↓ 1480.2%
20M
9:19/mi
2:49:32
↑ 64↓ 500.2%
21M
10:28/mi
3:00:00
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
3:06:53
↑ 17↓ 861.7%
23M
8:58/mi
3:18:07
↑ 23↓ 630.6%
24M
8:46/mi
3:26:53
↓ 821.3%
40K· 24.85 mi
8:51/mi
3:34:27
↓ 200.3%
25.2M
10:23/mi
3:38:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:53/mi
3:47:05
↑ 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
Time1:48:07
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:58:58
Pace9:05 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3425:578:2125:57
8:21
-
10K
6.21 mi11:42:4551:088:1425:11
8:06
-0:15
15K
9.32 mi12:08:091:16:328:1325:24
8:11
+0:05
20K
12.43 mi12:34:101:42:338:1526:01
8:22
+0:11
Half
13.11 mi12:39:441:48:078:155:34
8:10
-0:12
25K
15.53 mi13:00:162:08:398:1720:32
8:28
+0:18
30K
18.64 mi13:28:302:36:538:2528:14
9:05
+0:37
20M
20.00 mi13:41:092:49:328:2912:39
9:19
+0:14
21M
21.00 mi13:51:373:00:008:3410:28
10:28
+1:09
35K
21.75 mi13:58:303:06:538:366:53
9:12
-1:16
23M
23.00 mi14:09:443:18:078:3711:14
8:58
-0:14
24M
24.00 mi14:18:303:26:538:378:46
8:46
-0:12
40K
24.85 mi14:26:043:34:278:387:34
8:51
+0:05
25.2M
25.20 mi14:29:393:38:028:393:35
10:23
+1:32
Finish
26.22 mi14:38:423:47:058:409:03
8:53
-1:30

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

8:06 /mi

Average Pace

8:40 /mi

Slowest Pace

10:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:39

57% of race

Time at Steady Pace

1:11:44

32% of race

Time at Slower Pace

26:42

12% of race

Average Pace: 8:40 /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 mi11:17:3425:578:2125:57
8:21
#16532
10K
6.21 mi11:42:4551:088:1425:11
8:06
#16037
15K
9.32 mi12:08:091:16:328:1325:24
8:11
#15912
20K
12.43 mi12:34:101:42:338:1526:01
8:22
#15931
Half
13.11 mi12:39:441:48:078:155:34
8:10
#15900
25K
15.53 mi13:00:162:08:398:1720:32
8:28
#15918
30K
18.64 mi13:28:302:36:538:2528:14
9:05
#16253
20M
20.00 mi13:41:092:49:328:2912:39
9:19
#16388
21M
21.00 mi13:51:373:00:008:3410:28
10:28
#16626
35K
21.75 mi13:58:303:06:538:366:53
9:12
#16718
23M
23.00 mi14:09:443:18:078:3711:14
8:58
#16662
24M
24.00 mi14:18:303:26:538:378:46
8:46
#16623
40K
24.85 mi14:26:043:34:278:387:34
8:51
#16578
25.2M
25.20 mi14:29:393:38:028:393:35
10:23
#16614
Finish
26.22 mi14:38:423:47:058:409:03
8:53
#16638
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi165325625562515700(Top 59%)5112(Top 45%)5112(Top 424%)
10K6.21 mi3.10 mi16037+4955303+3225303+32215568(Top 58%)4997(Top 44%)4997(Top 414%)
15K9.32 mi3.11 mi15912+1255224+795224+7915700(Top 59%)5112(Top 45%)5112(Top 424%)
20K12.43 mi3.11 mi15931-195262-385262-3816097(Top 60%)5409(Top 47%)5409(Top 448%)
Half13.11 mi0.68 mi15900+315244+185244+1815582(Top 59%)5054(Top 44%)5054(Top 419%)
25K15.53 mi2.42 mi15918-185284-405284-4016028(Top 60%)5462(Top 48%)5462(Top 453%)
30K18.64 mi3.11 mi16253-3355541-2575541-25717634(Top 66%)6432(Top 56%)6432(Top 533%)
20M20.00 mi1.36 mi16388-1355638-975638-9718063(Top 68%)6769(Top 59%)6769(Top 561%)
21M21.00 mi1.00 mi16626-2385777-1395777-13919489(Top 73%)7631(Top 67%)7631(Top 632%)
35K21.75 mi0.75 mi16718-925832-555832-5518742(Top 70%)7232(Top 63%)7232(Top 599%)
23M23.00 mi1.25 mi16662+565829+35829+315940(Top 60%)5710(Top 50%)5710(Top 473%)
24M24.00 mi1.00 mi16623+395821+85821+816045(Top 60%)5832(Top 51%)5832(Top 483%)
40K24.85 mi0.85 mi16578+455813+85813+815392(Top 58%)5524(Top 48%)5524(Top 458%)
25.2M25.20 mi0.35 mi16614-365838-255838-2518757(Top 70%)7361(Top 64%)7361(Top 610%)
Finish26.22 mi1.02 mi16638-245862-245862-2417430(Top 65%)6604(Top 58%)6604(Top 547%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15700

Females

5112

F50-54

5112

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15568

Females

4997

F50-54

4997

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15700

Females

5112

F50-54

5112

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16097

Females

5409

F50-54

5409

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15582

Females

5054

F50-54

5054

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16028

Females

5462

F50-54

5462

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17634

Females

6432

F50-54

6432

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

18063

Females

6769

F50-54

6769

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19489

Females

7631

F50-54

7631

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18742

Females

7232

F50-54

7232

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15940

Females

5710

F50-54

5710

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16045

Females

5832

F50-54

5832

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15392

Females

5524

F50-54

5524

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18757

Females

7361

F50-54

7361

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17430

Females

6604

F50-54

6604

Passing Analysis

Category:
Athletes Passed
1759
Passed By
1865
Net Change
-106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16532
5K → 10K623128+495#16532#16037
10K → 15K266141+125#16037#15912
15K → 20K157176-19#15912#15931
20K → Half4918+31#15931#15900
Half → 25K126144-18#15900#15918
25K → 30K96431-335#15918#16253
30K → 20M49184-135#16253#16388
20M → 21M28266-238#16388#16626
21M → 35K23115-92#16626#16718
35K → 23M11761+56#16718#16662
23M → 24M8344+39#16662#16623
24M → 40K7833+45#16623#16578
40K → 25.2M1955-36#16578#16614
25.2M → Finish4569-24#16614#16638
TOTALS17591865-106
📊

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