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BOSTON MARATHON 2023

Anna Zang

Bib: 18274•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
25:35
Rank: #15700
Start → 5K
25:35 | 8:14/mi
10K· 6.21 mi
51:06
Rank: #15992 (-292)
5K → 10K
25:31 | 8:13/mi
15K· 9.32 mi
1:16:54
Rank: #16193 (-201)
10K → 15K
25:48 | 8:18/mi
20K· 12.43 mi
1:43:30
Rank: #16488 (-295)
15K → 20K
26:36 | 8:34/mi
Half· 13.11 mi
1:49:10
Rank: #16483 (+5)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:09:56
Rank: #16509 (-26)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:37:31
Rank: #16461 (+48)
25K → 30K
27:35 | 8:53/mi
20M
2:49:45
Rank: #16444 (+17)
30K → 20M
12:14 | 9:00/mi
21M
2:59:19
Rank: #16423 (+21)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:05:56
Rank: #16450 (-27)
21M → 35K
6:37 | 8:51/mi
23M
3:17:22
Rank: #16464 (-14)
35K → 23M
11:26 | 9:08/mi
24M
3:26:36
Rank: #16564 (-100)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:34:24
Rank: #16560 (+4)
24M → 40K
7:48 | 9:07/mi
25.2M
3:37:51
Rank: #16570 (-10)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:47:00
Rank: #16619 (-49)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:10
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:57:50
Pace8:59 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5425:358:1425:35
8:14
-
10K
6.21 mi11:42:2551:068:1325:31
8:13
-0:01
15K
9.32 mi12:08:131:16:548:1525:48
8:18
+0:05
20K
12.43 mi12:34:491:43:308:2026:36
8:34
+0:16
Half
13.11 mi12:40:291:49:108:205:40
8:18
-0:16
25K
15.53 mi13:01:152:09:568:2220:46
8:34
+0:16
30K
18.64 mi13:28:502:37:318:2727:35
8:53
+0:19
20M
20.00 mi13:41:042:49:458:2912:14
9:00
+0:07
21M
21.00 mi13:50:382:59:198:329:34
9:34
+0:34
35K
21.75 mi13:57:153:05:568:336:37
8:51
-0:43
23M
23.00 mi14:08:413:17:228:3511:26
9:08
+0:17
24M
24.00 mi14:17:553:26:368:379:14
9:14
+0:06
40K
24.85 mi14:25:433:34:248:387:48
9:07
-0:07
25.2M
25.20 mi14:29:103:37:518:393:27
10:00
+0:53
Finish
26.22 mi14:38:193:47:008:409:09
8:59
-1:01

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

8:13 /mi

Average Pace

8:40 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:56

57% of race

Time at Steady Pace

1:03:23

28% of race

Time at Slower Pace

33:41

15% of race

Average Pace: 8:39 /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 mi11:16:5425:358:1425:35
8:14
#15700
10K
6.21 mi11:42:2551:068:1325:31
8:13
#15992
15K
9.32 mi12:08:131:16:548:1525:48
8:18
#16193
20K
12.43 mi12:34:491:43:308:2026:36
8:34
#16488
Half
13.11 mi12:40:291:49:108:205:40
8:18
#16483
25K
15.53 mi13:01:152:09:568:2220:46
8:34
#16509
30K
18.64 mi13:28:502:37:318:2727:35
8:53
#16461
20M
20.00 mi13:41:042:49:458:2912:14
9:00
#16444
21M
21.00 mi13:50:382:59:198:329:34
9:34
#16423
35K
21.75 mi13:57:153:05:568:336:37
8:51
#16450
23M
23.00 mi14:08:413:17:228:3511:26
9:08
#16464
24M
24.00 mi14:17:553:26:368:379:14
9:14
#16564
40K
24.85 mi14:25:433:34:248:387:48
9:07
#16560
25.2M
25.20 mi14:29:103:37:518:393:27
10:00
#16570
Finish
26.22 mi14:38:193:47:008:409:09
8:59
#16619
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157005097509716573(Top 62%)5645(Top 49%)5645(Top 116%)
10K6.21 mi3.10 mi15992-2925278-1815278-18116368(Top 61%)5496(Top 48%)5496(Top 113%)
15K9.32 mi3.11 mi16193-2015405-1275405-12716573(Top 62%)5645(Top 49%)5645(Top 116%)
20K12.43 mi3.11 mi16488-2955603-1985603-19817248(Top 65%)6071(Top 53%)6071(Top 124%)
Half13.11 mi0.68 mi16483+55605-25605-216569(Top 62%)5652(Top 49%)5652(Top 116%)
25K15.53 mi2.42 mi16509-265646-415646-4116606(Top 62%)5780(Top 51%)5780(Top 118%)
30K18.64 mi3.11 mi16461+485666-205666-2016545(Top 62%)5816(Top 51%)5816(Top 119%)
20M20.00 mi1.36 mi16444+175671-55671-516566(Top 62%)5903(Top 52%)5903(Top 121%)
21M21.00 mi1.00 mi16423+215662+95662+916292(Top 61%)5794(Top 51%)5794(Top 119%)
35K21.75 mi0.75 mi16450-275687-255687-2517193(Top 65%)6378(Top 56%)6378(Top 131%)
23M23.00 mi1.25 mi16464-145710-235710-2316705(Top 63%)6136(Top 54%)6136(Top 126%)
24M24.00 mi1.00 mi16564-1005787-775787-7718193(Top 68%)7000(Top 61%)7000(Top 143%)
40K24.85 mi0.85 mi16560+45803-165803-1616745(Top 63%)6257(Top 55%)6257(Top 128%)
25.2M25.20 mi0.35 mi16570-105812-95812-917421(Top 65%)6654(Top 58%)6654(Top 136%)
Finish26.22 mi1.02 mi16619-495849-375849-3717888(Top 67%)6850(Top 60%)6850(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16573

Females

5645

F18-39

5645

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16368

Females

5496

F18-39

5496

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16573

Females

5645

F18-39

5645

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17248

Females

6071

F18-39

6071

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16569

Females

5652

F18-39

5652

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16606

Females

5780

F18-39

5780

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16545

Females

5816

F18-39

5816

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16566

Females

5903

F18-39

5903

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16292

Females

5794

F18-39

5794

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17193

Females

6378

F18-39

6378

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16705

Females

6136

F18-39

6136

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18193

Females

7000

F18-39

7000

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16745

Females

6257

F18-39

6257

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17421

Females

6654

F18-39

6654

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17888

Females

6850

F18-39

6850

Passing Analysis

Category:
Athletes Passed
1196
Passed By
2115
Net Change
-919
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15700
5K → 10K169461-292#15700#15992
10K → 15K125326-201#15992#16193
15K → 20K80375-295#16193#16488
20K → Half3328+5#16488#16483
Half → 25K126152-26#16483#16509
25K → 30K206158+48#16509#16461
30K → 20M8467+17#16461#16444
20M → 21M9170+21#16444#16423
21M → 35K4269-27#16423#16450
35K → 23M8296-14#16450#16464
23M → 24M34134-100#16464#16564
24M → 40K5955+4#16564#16560
40K → 25.2M3040-10#16560#16570
25.2M → Finish3584-49#16570#16619
TOTALS11962115-919
📊

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