Boston Marathon logo
BOSTON MARATHON 2024

Sonia Vibert

Bib: 21463•F

QC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
8:58/mi
27:53
↑ 97↓ 3451.5%
10K· 6.21 mi
9:30/mi
57:23
↑ 79↓ 1380.4%
15K· 9.32 mi
10:07/mi
1:28:50
↑ 67↓ 78
20K· 12.43 mi
10:36/mi
2:01:45
↑ 106↓ 860.1%
Half· 13.11 mi
9:46/mi
2:08:25
↑ 19↓ 370.5%
25K· 15.53 mi
11:39/mi
2:36:41
↑ 66↓ 880.2%
30K· 18.64 mi
11:41/mi
3:13:00
↑ 181↓ 1480.2%
20M
12:34/mi
3:30:05
↑ 64↓ 500.2%
21M
11:54/mi
3:41:59
↑ 106↓ 241.6%
35K· 21.75 mi
12:02/mi
3:50:59
↑ 17↓ 861.7%
23M
11:43/mi
4:05:39
↑ 23↓ 630.6%
24M
13:28/mi
4:19:07
↓ 821.3%
40K· 24.85 mi
10:39/mi
4:28:13
↓ 200.3%
25.2M
16:06/mi
4:33:46
↑ 13↓ 160.2%
Finish· 26.22 mi
9:45/mi
4:43:42
↑ 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
Time2:08:25
Pace9:48 /mi
2nd Half
Distance13.11 mi
Time2:35:17
Pace11:51 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5827:538:5827:53
8:58
-
10K
6.21 mi11:53:2857:239:1429:30
9:30
+0:32
15K
9.32 mi12:24:551:28:509:3231:27
10:07
+0:37
20K
12.43 mi12:57:502:01:459:4832:55
10:36
+0:29
Half
13.11 mi13:04:302:08:259:486:40
9:46
-0:50
25K
15.53 mi13:32:462:36:4110:0528:16
11:39
+1:53
30K
18.64 mi14:09:053:13:0010:2136:19
11:41
+0:02
20M
20.00 mi14:26:103:30:0510:3017:05
12:34
+0:53
21M
21.00 mi14:38:043:41:5910:3411:54
11:54
-0:40
35K
21.75 mi14:47:043:50:5910:379:00
12:02
+0:08
23M
23.00 mi15:01:444:05:3910:4114:40
11:43
-0:19
24M
24.00 mi15:15:124:19:0710:4813:28
13:28
+1:45
40K
24.85 mi15:24:184:28:1310:479:06
10:39
-2:49
25.2M
25.20 mi15:29:514:33:4610:525:33
16:06
+5:27
Finish
26.22 mi15:39:474:43:4210:509:56
9:45
-6:21

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

8:58 /mi

Average Pace

10:50 /mi

Slowest Pace

16:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:27

52% of race

Time at Steady Pace

1:40:09

35% of race

Time at Slower Pace

36:06

13% of race

Average Pace: 10:49 /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 mi11:23:5827:538:5827:53
8:58
#19983
10K
6.21 mi11:53:2857:239:1429:30
9:30
#20763
15K
9.32 mi12:24:551:28:509:3231:27
10:07
#21319
20K
12.43 mi12:57:502:01:459:4832:55
10:36
#21462
Half
13.11 mi13:04:302:08:259:486:40
9:46
#21424
25K
15.53 mi13:32:462:36:4110:0528:16
11:39
#21694
30K
18.64 mi14:09:053:13:0010:2136:19
11:41
#21643
20M
20.00 mi14:26:103:30:0510:3017:05
12:34
#21702
21M
21.00 mi14:38:043:41:5910:3411:54
11:54
#21543
35K
21.75 mi14:47:043:50:5910:379:00
12:02
#21549
23M
23.00 mi15:01:444:05:3910:4114:40
11:43
#21458
24M
24.00 mi15:15:124:19:0710:4813:28
13:28
#21580
40K
24.85 mi15:24:184:28:1310:479:06
10:39
#21435
25.2M
25.20 mi15:29:514:33:4610:525:33
16:06
#21496
Finish
26.22 mi15:39:474:43:4210:509:56
9:45
#21380
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi199837877787722180(Top 87%)8974(Top 82%)8974(Top 756%)
10K6.21 mi3.10 mi20763-7808253-3768253-37621357(Top 84%)8572(Top 78%)8572(Top 722%)
15K9.32 mi3.11 mi21319-5568538-2858538-28522180(Top 87%)8974(Top 82%)8974(Top 756%)
20K12.43 mi3.11 mi21462-1438612-748612-7421853(Top 86%)8834(Top 81%)8834(Top 744%)
Half13.11 mi0.68 mi21424+388591+218591+2120898(Top 82%)8361(Top 77%)8361(Top 704%)
25K15.53 mi2.42 mi21694-2708754-1638754-16322662(Top 89%)9359(Top 86%)9359(Top 788%)
30K18.64 mi3.11 mi21643+518783-298783-2921399(Top 84%)8844(Top 81%)8844(Top 745%)
20M20.00 mi1.36 mi21702-598844-618844-6122275(Top 87%)9387(Top 86%)9387(Top 791%)
21M21.00 mi1.00 mi21543+1598775+698775+6918595(Top 73%)7628(Top 70%)7628(Top 643%)
35K21.75 mi0.75 mi21549-68794-198794-1921851(Top 86%)9275(Top 85%)9275(Top 781%)
23M23.00 mi1.25 mi21458+918773+218773+2120148(Top 79%)8473(Top 78%)8473(Top 714%)
24M24.00 mi1.00 mi21580-1228859-868859-8623652(Top 93%)10211(Top 93%)10211(Top 860%)
40K24.85 mi0.85 mi21435+1458803+568803+5617135(Top 67%)7098(Top 65%)7098(Top 598%)
25.2M25.20 mi0.35 mi21496-618841-388841-3824127(Top 94%)10416(Top 95%)10416(Top 878%)
Finish26.22 mi1.02 mi21380+1168801+408801+4017556(Top 69%)7295(Top 67%)7295(Top 615%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

22180

Females

8974

F50-54

8974

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

21357

Females

8572

F50-54

8572

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

22180

Females

8974

F50-54

8974

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

21853

Females

8834

F50-54

8834

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

20898

Females

8361

F50-54

8361

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

22662

Females

9359

F50-54

9359

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

21399

Females

8844

F50-54

8844

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

22275

Females

9387

F50-54

9387

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

18595

Females

7628

F50-54

7628

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

21851

Females

9275

F50-54

9275

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20148

Females

8473

F50-54

8473

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

23652

Females

10211

F50-54

10211

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17135

Females

7098

F50-54

7098

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24127

Females

10416

F50-54

10416

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

17556

Females

7295

F50-54

7295

Passing Analysis

Category:
Athletes Passed
1324
Passed By
2721
Net Change
-1397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19983
5K → 10K60840-780#19983#20763
10K → 15K71627-556#20763#21319
15K → 20K141284-143#21319#21462
20K → Half5618+38#21462#21424
Half → 25K69339-270#21424#21694
25K → 30K206155+51#21694#21643
30K → 20M67126-59#21643#21702
20M → 21M17213+159#21702#21543
21M → 35K5056-6#21543#21549
35K → 23M12433+91#21549#21458
23M → 24M30152-122#21458#21580
24M → 40K1461+145#21580#21435
40K → 25.2M566-61#21435#21496
25.2M → Finish12711+116#21496#21380
TOTALS13242721-1397
📊

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