Boston Marathon logo
BOSTON MARATHON 2023

Haniyah Kafel

Bib: 24866•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 34%
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
8:45/mi
27:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:01/mi
52:05
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:17:00
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:42:03
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:47:30
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:07:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:32:15
↑ 181↓ 1480.2%
20M
8:15/mi
2:43:27
↑ 64↓ 500.2%
21M
8:22/mi
2:51:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:57:47
↑ 17↓ 861.7%
23M
8:09/mi
3:07:59
↑ 23↓ 630.6%
24M
7:53/mi
3:15:52
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:22:48
↓ 200.3%
25.2M
8:59/mi
3:25:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:34:07
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time1:47:30
Pace8:12 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:37
Pace8:08 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4927:118:4527:11
8:45
-
10K
6.21 mi12:14:4352:058:2324:54
8:01
-0:44
15K
9.32 mi12:39:381:17:008:1624:55
8:01
0:00
20K
12.43 mi13:04:411:42:038:1325:03
8:04
+0:03
Half
13.11 mi13:10:081:47:308:125:27
7:59
-0:05
25K
15.53 mi13:29:402:07:028:1119:32
8:03
+0:04
30K
18.64 mi13:54:532:32:158:1025:13
8:07
+0:04
20M
20.00 mi14:06:052:43:278:1011:12
8:15
+0:08
21M
21.00 mi14:14:272:51:498:118:22
8:22
+0:07
35K
21.75 mi14:20:252:57:478:105:58
7:59
-0:23
23M
23.00 mi14:30:373:07:598:1010:12
8:09
+0:10
24M
24.00 mi14:38:303:15:528:107:53
7:53
-0:16
40K
24.85 mi14:45:263:22:488:106:56
8:07
+0:14
25.2M
25.20 mi14:48:323:25:548:103:06
8:59
+0:52
Finish
26.22 mi14:56:453:34:078:108:13
8:04
-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

7:53 /mi

Average Pace

8:10 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:50

86% of race

Time at Steady Pace

30:17

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:49:4927:118:4527:11
8:45
#19176
10K
6.21 mi12:14:4352:058:2324:54
8:01
#17084
15K
9.32 mi12:39:381:17:008:1624:55
8:01
#16253
20K
12.43 mi13:04:411:42:038:1325:03
8:04
#15657
Half
13.11 mi13:10:081:47:308:125:27
7:59
#15589
25K
15.53 mi13:29:402:07:028:1119:32
8:03
#15192
30K
18.64 mi13:54:532:32:158:1025:13
8:07
#14576
20M
20.00 mi14:06:052:43:278:1011:12
8:15
#14351
21M
21.00 mi14:14:272:51:498:118:22
8:22
#14085
35K
21.75 mi14:20:252:57:478:105:58
7:59
#13976
23M
23.00 mi14:30:373:07:598:1010:12
8:09
#13764
24M
24.00 mi14:38:303:15:528:107:53
7:53
#13593
40K
24.85 mi14:45:263:22:488:106:56
8:07
#13454
25.2M
25.20 mi14:48:323:25:548:103:06
8:59
#13420
Finish
26.22 mi14:56:453:34:078:108:13
8:04
#13372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi191767310731014545(Top 55%)4409(Top 39%)4409(Top 90%)
10K6.21 mi3.10 mi17084+20925971+13395971+133914919(Top 56%)4620(Top 40%)4620(Top 95%)
15K9.32 mi3.11 mi16253+8315440+5315440+53114545(Top 55%)4409(Top 39%)4409(Top 90%)
20K12.43 mi3.11 mi15657+5965089+3515089+35113957(Top 52%)4084(Top 36%)4084(Top 84%)
Half13.11 mi0.68 mi15589+685054+355054+3514312(Top 54%)4256(Top 37%)4256(Top 87%)
25K15.53 mi2.42 mi15192+3974834+2204834+22013210(Top 50%)3753(Top 33%)3753(Top 77%)
30K18.64 mi3.11 mi14576+6164485+3494485+34911777(Top 44%)3056(Top 27%)3056(Top 63%)
20M20.00 mi1.36 mi14351+2254391+944391+9411989(Top 45%)3275(Top 29%)3275(Top 67%)
21M21.00 mi1.00 mi14085+2664241+1504241+1509693(Top 36%)2249(Top 20%)2249(Top 46%)
35K21.75 mi0.75 mi13976+1094183+584183+5812002(Top 45%)3438(Top 30%)3438(Top 70%)
23M23.00 mi1.25 mi13764+2124080+1034080+10310845(Top 41%)2947(Top 26%)2947(Top 60%)
24M24.00 mi1.00 mi13593+1713996+843996+8410453(Top 39%)2819(Top 25%)2819(Top 58%)
40K24.85 mi0.85 mi13454+1393932+643932+6410813(Top 41%)3061(Top 27%)3061(Top 63%)
25.2M25.20 mi0.35 mi13420+343928+43928+412533(Top 47%)3992(Top 35%)3992(Top 82%)
Finish26.22 mi1.02 mi13372+483918+103918+1012582(Top 47%)3999(Top 35%)3999(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14545

Females

4409

F18-39

4409

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14919

Females

4620

F18-39

4620

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14545

Females

4409

F18-39

4409

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13957

Females

4084

F18-39

4084

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14312

Females

4256

F18-39

4256

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13210

Females

3753

F18-39

3753

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11777

Females

3056

F18-39

3056

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11989

Females

3275

F18-39

3275

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9693

Females

2249

F18-39

2249

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12002

Females

3438

F18-39

3438

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10845

Females

2947

F18-39

2947

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10453

Females

2819

F18-39

2819

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10813

Females

3061

F18-39

3061

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12533

Females

3992

F18-39

3992

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12582

Females

3999

F18-39

3999

Passing Analysis

Category:
Athletes Passed
5995
Passed By
191
Net Change
+5804
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19176
5K → 10K211220+2092#19176#17084
10K → 15K85726+831#17084#16253
15K → 20K60913+596#16253#15657
20K → Half735+68#15657#15589
Half → 25K4047+397#15589#15192
25K → 30K6226+616#15192#14576
30K → 20M23712+225#14576#14351
20M → 21M2737+266#14351#14085
21M → 35K1156+109#14085#13976
35K → 23M2197+212#13976#13764
23M → 24M1776+171#13764#13593
24M → 40K1489+139#13593#13454
40K → 25.2M5420+34#13454#13420
25.2M → Finish9547+48#13420#13372
TOTALS5995191+5804
📊

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