Boston Marathon logo
BOSTON MARATHON 2023

Mariela Basilio

Bib: 13943 F MX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 23%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 2
Mile 4
Mile 8
Mile 10
Mile 14
Start
0:00
Race begins
5K· 3.11 mi
7:22/mi
22:54
↑ 97↓ 345
10K· 6.21 mi
6:59/mi
44:37
↑ 79↓ 138
15K· 9.32 mi
6:56/mi
1:06:11
↑ 67↓ 78
20K· 12.43 mi
7:06/mi
1:28:16
↑ 106↓ 86
Half· 13.11 mi
7:02/mi
1:33:04
↑ 19↓ 37
25K· 15.53 mi
7:13/mi
1:50:33
↑ 66↓ 88
30K· 18.64 mi
7:19/mi
2:13:16
↑ 181↓ 148
20M
7:17/mi
2:23:10
↑ 64↓ 50
21M
7:44/mi
2:30:54
↑ 106↓ 24
35K· 21.75 mi
7:02/mi
2:36:10
↑ 17↓ 86
23M
7:25/mi
2:45:27
↑ 23↓ 63
24M
7:16/mi
2:52:43
↓ 82
40K· 24.85 mi
7:23/mi
2:59:02
↓ 20
25.2M
7:58/mi
3:01:47
↑ 13↓ 16
Finish· 26.22 mi
6:58/mi
3:08:53
↑ 22↓ 21
Course Elevation
890ft
Total climb
1,342ft
Total descent
462ft
Range
7 to 469 ft
≈
×2stacked redwood trees

See every mile of your race

Add your watch's GPX to unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via Half
1:33:047:06 /mi⚡ faster
2nd Half
1:35:497:19 /mi+3.0%
Positive split — 3.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
22:547:223.11 mi22:54
7:22
-
10K
44:377:113.10 mi21:43
6:59
-0:23
15K
1:06:117:063.11 mi21:34
6:56
-0:03
20K
1:28:167:063.11 mi22:05
7:06
+0:10
Half(13.11 mi)
1:33:047:060.68 mi4:48
7:02
-0:04
25K
1:50:337:072.42 mi17:29
7:13
+0:11
30K
2:13:167:093.11 mi22:43
7:19
+0:06
20M
2:23:107:091.36 mi9:54
7:17
-0:02
21M
2:30:547:111.00 mi7:44
7:44
+0:27
35K
2:36:107:110.75 mi5:16
7:02
-0:42
23M
2:45:277:121.25 mi9:17
7:25
+0:23
24M
2:52:437:121.00 mi7:16
7:16
-0:09
40K
2:59:027:120.85 mi6:19
7:23
+0:07
25.2M
3:01:477:130.35 mi2:45
7:58
+0:35
Finish(26.22 mi)
3:08:537:131.02 mi7:06
6:58
-1:00
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:56 /mi

Average Pace

7:13 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:58:24

94% of race

Time at Steady Pace

10:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:12 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi8602123212326228580580
10K3.10 mi7640+962897+335897+3356770694694
15K3.11 mi7113+527766+131766+1316228580580
20K3.11 mi6959+154728+38728+386605680680
Half(13.11 mi)0.68 mi6931+28727+1727+16803700700
25K2.42 mi6872+59718+9718+96745772772
30K3.11 mi6682+190699+19699+196101655655
20M1.36 mi6567+115682+17682+175581594594
21M1.00 mi6499+686826825836756756
35K0.75 mi6431+68666+16666+165595645645
23M1.25 mi6367+64661+5661+55966795795
24M1.00 mi6297+70653+8653+86169961961
40K0.85 mi6247+506536536024982982
25.2M0.35 mi6229+18657-4657-4638711711171
Finish(26.22 mi)1.02 mi6159+70654+3654+35041739739

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6228

Females

580

F18-39

580

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6770

Females

694

F18-39

694

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6228

Females

580

F18-39

580

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6605

Females

680

F18-39

680

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6803

Females

700

F18-39

700

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6745

Females

772

F18-39

772

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6101

Females

655

F18-39

655

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5581

Females

594

F18-39

594

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5836

Females

756

F18-39

756

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5595

Females

645

F18-39

645

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5966

Females

795

F18-39

795

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6169

Females

961

F18-39

961

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6024

Females

982

F18-39

982

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6387

Females

1171

F18-39

1171

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5041

Females

739

F18-39

739

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#8602
5K → 10K
23985+962
#8602 → #7640
10K → 15K
10537+527
#7640 → #7113
15K → 20K
32186+154
#7113 → #6959
20K → Half
331+28
#6959 → #6931
Half → 25K
46105+59
#6931 → #6872
25K → 30K
31221+190
#6872 → #6682
30K → 20M
10125+115
#6682 → #6567
20M → 21M
2896+68
#6567 → #6499
21M → 35K
775+68
#6499 → #6431
35K → 23M
2993+64
#6431 → #6367
23M → 24M
2797+70
#6367 → #6297
24M → 40K
1666+50
#6297 → #6247
40K → 25.2M
1129+18
#6247 → #6229
25.2M → Finish
2696+70
#6229 → #6159
TOTALS
2992742+2443
#8602 → #6159

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Is this your race? Claim it to upload your GPX and export your data as yours.

Upload your GPX file

Add per-mile pace & heart rate — works with Garmin, Apple Watch, Strava & more.

Download your race track as a GPX or TCX file for Strava, Garmin Connect, or other 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