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BOSTON MARATHON 2023

Aigerim Iskhakova

Bib: 18953•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Division (F18-39)
#0 / 4884
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:51
Rank: #11252
Start → 5K
23:51 | 7:41/mi
10K· 6.21 mi
47:10
Rank: #10844 (+408)
5K → 10K
23:19 | 7:30/mi
15K· 9.32 mi
1:10:31
Rank: #10631 (+213)
10K → 15K
23:21 | 7:31/mi
20K· 12.43 mi
1:34:20
Rank: #10629 (+2)
15K → 20K
23:49 | 7:40/mi
Half· 13.11 mi
1:39:33
Rank: #10681 (-52)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:58:09
Rank: #10532 (+149)
Half → 25K
18:36 | 7:40/mi
30K· 18.64 mi
2:22:45
Rank: #10419 (+113)
25K → 30K
24:36 | 7:55/mi
20M
2:33:38
Rank: #10415 (+4)
30K → 20M
10:53 | 8:01/mi
21M
2:42:12
Rank: #10420 (-5)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:48:02
Rank: #10398 (+22)
21M → 35K
5:50 | 7:48/mi
23M
2:58:00
Rank: #10319 (+79)
35K → 23M
9:58 | 7:58/mi
24M
3:06:03
Rank: #10361 (-42)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:12:59
Rank: #10350 (+11)
24M → 40K
6:56 | 8:07/mi
25.2M
3:16:04
Rank: #10376 (-26)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:24:05
Rank: #10382 (-6)
25.2M → Finish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:33
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:44:32
Pace7:58 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2323:517:4123:51
7:41
-
10K
6.21 mi11:38:4247:107:3523:19
7:30
-0:11
15K
9.32 mi12:02:031:10:317:3423:21
7:31
+0:01
20K
12.43 mi12:25:521:34:207:3523:49
7:40
+0:09
Half
13.11 mi12:31:051:39:337:365:13
7:39
-0:01
25K
15.53 mi12:49:411:58:097:3618:36
7:40
+0:01
30K
18.64 mi13:14:172:22:457:3924:36
7:55
+0:15
20M
20.00 mi13:25:102:33:387:4110:53
8:01
+0:06
21M
21.00 mi13:33:442:42:127:438:34
8:34
+0:33
35K
21.75 mi13:39:342:48:027:445:50
7:48
-0:46
23M
23.00 mi13:49:322:58:007:449:58
7:58
+0:10
24M
24.00 mi13:57:353:06:037:458:03
8:03
+0:05
40K
24.85 mi14:04:313:12:597:466:56
8:07
+0:04
25.2M
25.20 mi14:07:363:16:047:473:05
8:56
+0:49
Finish
26.22 mi14:15:373:24:057:478:01
7:52
-1:04

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

7:30 /mi

Average Pace

7:47 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:26

94% of race

Time at Steady Pace

8:34

4% of race

Time at Slower Pace

3:05

2% of race

Average Pace: 7:47 /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 mi11:15:2323:517:4123:51
7:41
#11252
10K
6.21 mi11:38:4247:107:3523:19
7:30
#10844
15K
9.32 mi12:02:031:10:317:3423:21
7:31
#10631
20K
12.43 mi12:25:521:34:207:3523:49
7:40
#10629
Half
13.11 mi12:31:051:39:337:365:13
7:39
#10681
25K
15.53 mi12:49:411:58:097:3618:36
7:40
#10532
30K
18.64 mi13:14:172:22:457:3924:36
7:55
#10419
20M
20.00 mi13:25:102:33:387:4110:53
8:01
#10415
21M
21.00 mi13:33:442:42:127:438:34
8:34
#10420
35K
21.75 mi13:39:342:48:027:445:50
7:48
#10398
23M
23.00 mi13:49:322:58:007:449:58
7:58
#10319
24M
24.00 mi13:57:353:06:037:458:03
8:03
#10361
40K
24.85 mi14:04:313:12:597:466:56
8:07
#10350
25.2M
25.20 mi14:07:363:16:047:473:05
8:56
#10376
Finish
26.22 mi14:15:373:24:057:478:01
7:52
#10382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112522460246010320(Top 39%)1992(Top 17%)1992(Top 41%)
10K6.21 mi3.10 mi10844+4082249+2112249+21110498(Top 39%)2055(Top 18%)2055(Top 42%)
15K9.32 mi3.11 mi10631+2132131+1182131+11810320(Top 39%)1992(Top 17%)1992(Top 41%)
20K12.43 mi3.11 mi10629+22144-132144-1310648(Top 40%)2228(Top 20%)2228(Top 46%)
Half13.11 mi0.68 mi10681-522173-292173-2911443(Top 43%)2584(Top 23%)2584(Top 53%)
25K15.53 mi2.42 mi10532+1492109+642109+6410101(Top 38%)2041(Top 18%)2041(Top 42%)
30K18.64 mi3.11 mi10419+1132110-12110-110287(Top 39%)2299(Top 20%)2299(Top 47%)
20M20.00 mi1.36 mi10415+42129-192129-1910348(Top 39%)2394(Top 21%)2394(Top 49%)
21M21.00 mi1.00 mi10420-52159-302159-3010886(Top 41%)2802(Top 25%)2802(Top 57%)
35K21.75 mi0.75 mi10398+222168-92168-910660(Top 40%)2694(Top 24%)2694(Top 55%)
23M23.00 mi1.25 mi10319+792157+112157+119504(Top 36%)2269(Top 20%)2269(Top 46%)
24M24.00 mi1.00 mi10361-422206-492206-4911594(Top 44%)3372(Top 30%)3372(Top 69%)
40K24.85 mi0.85 mi10350+112228-222228-2210779(Top 40%)3027(Top 26%)3027(Top 62%)
25.2M25.20 mi0.35 mi10376-262260-322260-3212193(Top 46%)3806(Top 33%)3806(Top 78%)
Finish26.22 mi1.02 mi10382-62286-262286-2611167(Top 42%)3273(Top 29%)3273(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10320

Females

1992

F18-39

1992

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10498

Females

2055

F18-39

2055

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10320

Females

1992

F18-39

1992

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10648

Females

2228

F18-39

2228

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11443

Females

2584

F18-39

2584

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10101

Females

2041

F18-39

2041

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10287

Females

2299

F18-39

2299

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10348

Females

2394

F18-39

2394

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10886

Females

2802

F18-39

2802

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10660

Females

2694

F18-39

2694

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9504

Females

2269

F18-39

2269

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11594

Females

3372

F18-39

3372

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10779

Females

3027

F18-39

3027

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12193

Females

3806

F18-39

3806

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11167

Females

3273

F18-39

3273

Passing Analysis

Category:
Athletes Passed
2016*
Passed By
1146
Net Change
+870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11252
5K → 10K553145+408#11252#10844
10K → 15K30693+213#10844#10631
15K → 20K166164+2#10631#10629
20K → Half1567-52#10629#10681
Half → 25K19344+149#10681#10532
25K → 30K227114+113#10532#10419
30K → 20M73*69+4#10419#10415
20M → 21M9297-5#10415#10420
21M → 35K5533+22#10420#10398
35K → 23M11738+79#10398#10319
23M → 24M4587-42#10319#10361
24M → 40K8069+11#10361#10350
40K → 25.2M2248-26#10350#10376
25.2M → Finish7278-6#10376#10382
TOTALS2016*1146+870

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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