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BOSTON MARATHON 2023

Miriam Mustapha

Bib: 19594•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F40-44)
#0 / 1878
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
8:29/mi
26:22
↑ 97↓ 3451.5%
10K· 6.21 mi
8:23/mi
52:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:18:35
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:44:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:50:22
↑ 19↓ 370.5%
25K· 15.53 mi
8:27/mi
2:10:52
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:37:52
↑ 181↓ 1480.2%
20M
8:31/mi
2:49:26
↑ 64↓ 500.2%
21M
8:58/mi
2:58:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
3:04:31
↑ 17↓ 861.7%
23M
8:38/mi
3:15:19
↑ 23↓ 630.6%
24M
8:30/mi
3:23:49
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:31:10
↓ 200.3%
25.2M
9:20/mi
3:34:23
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:42:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:22
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:52:35
Pace8:35 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5826:228:2926:22
8:29
-
10K
6.21 mi11:44:0052:248:2626:02
8:23
-0:06
15K
9.32 mi12:10:111:18:358:2626:11
8:26
+0:03
20K
12.43 mi12:36:171:44:418:2526:06
8:24
-0:02
Half
13.11 mi12:41:581:50:228:255:41
8:20
-0:04
25K
15.53 mi13:02:282:10:528:2520:30
8:27
+0:07
30K
18.64 mi13:29:282:37:528:2827:00
8:41
+0:14
20M
20.00 mi13:41:022:49:268:2811:34
8:31
-0:10
21M
21.00 mi13:50:002:58:248:308:58
8:58
+0:27
35K
21.75 mi13:56:073:04:318:296:07
8:11
-0:47
23M
23.00 mi14:06:553:15:198:3010:48
8:38
+0:27
24M
24.00 mi14:15:253:23:498:308:30
8:30
-0:08
40K
24.85 mi14:22:463:31:108:307:21
8:36
+0:06
25.2M
25.20 mi14:25:593:34:238:303:13
9:20
+0:44
Finish
26.22 mi14:34:333:42:578:318:34
8:24
-0:56

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

8:11 /mi

Average Pace

8:31 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:44

99% of race

Time at Steady Pace

3:13

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:30 /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 mi11:17:5826:228:2926:22
8:29
#17474
10K
6.21 mi11:44:0052:248:2626:02
8:23
#17430
15K
9.32 mi12:10:111:18:358:2626:11
8:26
#17399
20K
12.43 mi12:36:171:44:418:2526:06
8:24
#17091
Half
13.11 mi12:41:581:50:228:255:41
8:20
#17072
25K
15.53 mi13:02:282:10:528:2520:30
8:27
#16887
30K
18.64 mi13:29:282:37:528:2827:00
8:41
#16585
20M
20.00 mi13:41:022:49:268:2811:34
8:31
#16355
21M
21.00 mi13:50:002:58:248:308:58
8:58
#16155
35K
21.75 mi13:56:073:04:318:296:07
8:11
#16038
23M
23.00 mi14:06:553:15:198:3010:48
8:38
#15901
24M
24.00 mi14:15:253:23:498:308:30
8:30
#15831
40K
24.85 mi14:22:463:31:108:307:21
8:36
#15744
25.2M
25.20 mi14:25:593:34:238:303:13
9:20
#15727
Finish
26.22 mi14:34:333:42:578:318:34
8:24
#15672
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi174746234623417320(Top 65%)6114(Top 54%)6114(Top 326%)
10K6.21 mi3.10 mi17430+446183+516183+5117455(Top 66%)6153(Top 54%)6153(Top 328%)
15K9.32 mi3.11 mi17399+316155+286155+2817320(Top 65%)6114(Top 54%)6114(Top 326%)
20K12.43 mi3.11 mi17091+3085984+1715984+17116254(Top 61%)5499(Top 48%)5499(Top 293%)
Half13.11 mi0.68 mi17072+195973+115973+1116692(Top 63%)5703(Top 50%)5703(Top 304%)
25K15.53 mi2.42 mi16887+1855886+875886+8715940(Top 60%)5405(Top 47%)5405(Top 288%)
30K18.64 mi3.11 mi16585+3025735+1515735+15115470(Top 58%)5204(Top 46%)5204(Top 277%)
20M20.00 mi1.36 mi16355+2305618+1175618+11713735(Top 52%)4268(Top 37%)4268(Top 227%)
21M21.00 mi1.00 mi16155+2005509+1095509+10913255(Top 50%)4090(Top 36%)4090(Top 218%)
35K21.75 mi0.75 mi16038+1175458+515458+5113333(Top 50%)4195(Top 37%)4195(Top 223%)
23M23.00 mi1.25 mi15901+1375402+565402+5613972(Top 52%)4605(Top 40%)4605(Top 245%)
24M24.00 mi1.00 mi15831+705377+255377+2514504(Top 54%)4961(Top 43%)4961(Top 264%)
40K24.85 mi0.85 mi15744+875330+475330+4713971(Top 52%)4734(Top 41%)4734(Top 252%)
25.2M25.20 mi0.35 mi15727+175319+115319+1114394(Top 54%)4964(Top 43%)4964(Top 264%)
Finish26.22 mi1.02 mi15672+555292+275292+2714811(Top 56%)5160(Top 45%)5160(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17320

Females

6114

F40-44

6114

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17455

Females

6153

F40-44

6153

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17320

Females

6114

F40-44

6114

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16254

Females

5499

F40-44

5499

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16692

Females

5703

F40-44

5703

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15940

Females

5405

F40-44

5405

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15470

Females

5204

F40-44

5204

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13735

Females

4268

F40-44

4268

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13255

Females

4090

F40-44

4090

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13333

Females

4195

F40-44

4195

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13972

Females

4605

F40-44

4605

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14504

Females

4961

F40-44

4961

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13971

Females

4734

F40-44

4734

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14394

Females

4964

F40-44

4964

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14811

Females

5160

F40-44

5160

Passing Analysis

Category:
Athletes Passed
2553
Passed By
751
Net Change
+1802
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17474
5K → 10K328284+44#17474#17430
10K → 15K212181+31#17430#17399
15K → 20K34941+308#17399#17091
20K → Half3819+19#17091#17072
Half → 25K21732+185#17072#16887
25K → 30K34038+302#16887#16585
30K → 20M2355+230#16585#16355
20M → 21M21010+200#16355#16155
21M → 35K1269+117#16155#16038
35K → 23M16225+137#16038#15901
23M → 24M10838+70#15901#15831
24M → 40K10518+87#15831#15744
40K → 25.2M3720+17#15744#15727
25.2M → Finish8631+55#15727#15672
TOTALS2553751+1802
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing