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BOSTON MARATHON 2023

Zimatu Chukumerije

Bib: 17744•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 50%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #10884
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
47:39
Rank: #11520 (-636)
5K → 10K
23:56 | 7:42/mi
15K· 9.32 mi
1:11:50
Rank: #11854 (-334)
10K → 15K
24:11 | 7:47/mi
20K· 12.43 mi
1:36:18
Rank: #11960 (-106)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:41:25
Rank: #11864 (+96)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
2:03:25
Rank: #13426 (-1562)
Half → 25K
22:00 | 9:04/mi
30K· 18.64 mi
2:32:20
Rank: #14614 (-1188)
25K → 30K
28:55 | 9:18/mi
20M
2:43:43
Rank: #14454 (+160)
30K → 20M
11:23 | 8:23/mi
21M
2:57:34
Rank: #15912 (-1458)
20M → 21M
13:51 | 13:51/mi
35K· 21.75 mi
3:04:02
Rank: #15876 (+36)
21M → 35K
6:28 | 8:39/mi
23M
3:14:33
Rank: #15675 (+201)
35K → 23M
10:31 | 8:24/mi
24M
3:26:17
Rank: #16483 (-808)
23M → 24M
11:44 | 11:44/mi
40K· 24.85 mi
3:33:35
Rank: #16340 (+143)
24M → 40K
7:18 | 8:32/mi
25.2M
3:36:35
Rank: #16249 (+91)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:45:56
Rank: #16354 (-105)
25.2M → Finish
9:21 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:25
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time2:04:31
Pace9:30 /mi
📊Positive Split: 22.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3123:437:3823:43
7:38
-
10K
6.21 mi11:44:2747:397:4023:56
7:42
+0:04
15K
9.32 mi12:08:381:11:507:4224:11
7:47
+0:05
20K
12.43 mi12:33:061:36:187:4524:28
7:53
+0:06
Half
13.11 mi12:38:131:41:257:445:07
7:30
-0:23
25K
15.53 mi13:00:132:03:257:5722:00
9:04
+1:34
30K
18.64 mi13:29:082:32:208:1028:55
9:18
+0:14
20M
20.00 mi13:40:312:43:438:1111:23
8:23
-0:55
21M
21.00 mi13:54:222:57:348:2713:51
13:51
+5:28
35K
21.75 mi14:00:503:04:028:286:28
8:39
-5:12
23M
23.00 mi14:11:213:14:338:2810:31
8:24
-0:15
24M
24.00 mi14:23:053:26:178:3611:44
11:44
+3:20
40K
24.85 mi14:30:233:33:358:367:18
8:32
-3:12
25.2M
25.20 mi14:33:233:36:358:363:00
8:42
+0:10
Finish
26.22 mi14:42:443:45:568:379:21
9:11
+0:29

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

8:37 /mi

Slowest Pace

13:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:46

23% of race

Time at Steady Pace

2:27:35

65% of race

Time at Slower Pace

25:35

11% of race

Average Pace: 8:37 /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 mi11:20:3123:437:3823:43
7:38
#10884
10K
6.21 mi11:44:2747:397:4023:56
7:42
#11520
15K
9.32 mi12:08:381:11:507:4224:11
7:47
#11854
20K
12.43 mi12:33:061:36:187:4524:28
7:53
#11960
Half
13.11 mi12:38:131:41:257:445:07
7:30
#11864
25K
15.53 mi13:00:132:03:257:5722:00
9:04
#13426
30K
18.64 mi13:29:082:32:208:1028:55
9:18
#14614
20M
20.00 mi13:40:312:43:438:1111:23
8:23
#14454
21M
21.00 mi13:54:222:57:348:2713:51
13:51
#15912
35K
21.75 mi14:00:503:04:028:286:28
8:39
#15876
23M
23.00 mi14:11:213:14:338:2810:31
8:24
#15675
24M
24.00 mi14:23:053:26:178:3611:44
11:44
#16483
40K
24.85 mi14:30:233:33:358:367:18
8:32
#16340
25.2M
25.20 mi14:33:233:36:358:363:00
8:42
#16249
Finish
26.22 mi14:42:443:45:568:379:21
9:11
#16354
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi108842280228012617(Top 47%)3252(Top 28%)3252(Top 67%)
10K6.21 mi3.10 mi11520-6362618-3382618-33812301(Top 46%)3049(Top 27%)3049(Top 62%)
15K9.32 mi3.11 mi11854-3342811-1932811-19312617(Top 47%)3252(Top 28%)3252(Top 67%)
20K12.43 mi3.11 mi11960-1062892-812892-8112422(Top 47%)3215(Top 28%)3215(Top 66%)
Half13.11 mi0.68 mi11864+962837+552837+5510340(Top 39%)2073(Top 18%)2073(Top 42%)
25K15.53 mi2.42 mi13426-15623760-9233760-92319303(Top 73%)7305(Top 64%)7305(Top 150%)
30K18.64 mi3.11 mi14614-11884506-7464506-74618663(Top 70%)7009(Top 61%)7009(Top 144%)
20M20.00 mi1.36 mi14454+1604450+564450+5612901(Top 48%)3811(Top 33%)3811(Top 78%)
21M21.00 mi1.00 mi15912-14585361-9115361-91124910(Top 94%)10559(Top 92%)10559(Top 216%)
35K21.75 mi0.75 mi15876+365360+15360+116125(Top 61%)5764(Top 50%)5764(Top 118%)
23M23.00 mi1.25 mi15675+2015270+905270+9012619(Top 47%)3870(Top 34%)3870(Top 79%)
24M24.00 mi1.00 mi16483-8085737-4675737-46724184(Top 91%)10263(Top 90%)10263(Top 210%)
40K24.85 mi0.85 mi16340+1435678+595678+5913634(Top 51%)4555(Top 40%)4555(Top 93%)
25.2M25.20 mi0.35 mi16249+915630+485630+4810888(Top 41%)3162(Top 28%)3162(Top 65%)
Finish26.22 mi1.02 mi16354-1055691-615691-6118814(Top 71%)7336(Top 64%)7336(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12617

Females

3252

F18-39

3252

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12301

Females

3049

F18-39

3049

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12617

Females

3252

F18-39

3252

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12422

Females

3215

F18-39

3215

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10340

Females

2073

F18-39

2073

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

19303

Females

7305

F18-39

7305

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18663

Females

7009

F18-39

7009

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12901

Females

3811

F18-39

3811

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

24910

Females

10559

F18-39

10559

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16125

Females

5764

F18-39

5764

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12619

Females

3870

F18-39

3870

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24184

Females

10263

F18-39

10263

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13634

Females

4555

F18-39

4555

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10888

Females

3162

F18-39

3162

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18814

Females

7336

F18-39

7336

Passing Analysis

Category:
Athletes Passed
1191
Passed By
6661
Net Change
-5470
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10884
5K → 10K108744-636#10884#11520
10K → 15K84418-334#11520#11854
15K → 20K129235-106#11854#11960
20K → Half971+96#11960#11864
Half → 25K61568-1562#11864#13426
25K → 30K221210-1188#13426#14614
30K → 20M17818+160#14614#14454
20M → 21M01458-1458#14454#15912
21M → 35K6731+36#15912#15876
35K → 23M21110+201#15876#15675
23M → 24M5813-808#15675#16483
24M → 40K16017+143#16483#16340
40K → 25.2M921+91#16340#16249
25.2M → Finish32137-105#16249#16354
TOTALS11916661-5470
📊

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