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BOSTON MARATHON 2023

Ania Mendrek

Bib: 18139•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 16%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F45-49)
#0 / 1817
Top 6%
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
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
45:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:09:02
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:32:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:38:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
1:56:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:52/mi
2:21:22
↑ 181↓ 1480.2%
20M
8:03/mi
2:32:19
↑ 64↓ 500.2%
21M
8:28/mi
2:40:47
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:46:25
↑ 17↓ 861.7%
23M
7:51/mi
2:56:15
↑ 23↓ 630.6%
24M
7:37/mi
3:03:52
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:10:27
↓ 200.3%
25.2M
8:16/mi
3:13:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:21:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:02
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:43:02
Pace7:52 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2323:307:3423:30
7:34
-
10K
6.21 mi11:36:4445:517:2322:21
7:12
-0:22
15K
9.32 mi11:59:551:09:027:2423:11
7:28
+0:16
20K
12.43 mi12:23:421:32:497:2823:47
7:39
+0:11
Half
13.11 mi12:28:551:38:027:295:13
7:39
0:00
25K
15.53 mi12:47:481:56:557:3218:53
7:47
+0:08
30K
18.64 mi13:12:152:21:227:3524:27
7:52
+0:05
20M
20.00 mi13:23:122:32:197:3710:57
8:03
+0:11
21M
21.00 mi13:31:402:40:477:398:28
8:28
+0:25
35K
21.75 mi13:37:182:46:257:395:38
7:32
-0:56
23M
23.00 mi13:47:082:56:157:409:50
7:51
+0:19
24M
24.00 mi13:54:453:03:527:407:37
7:37
-0:14
40K
24.85 mi14:01:203:10:277:406:35
7:42
+0:05
25.2M
25.20 mi14:04:113:13:187:402:51
8:16
+0:34
Finish
26.22 mi14:11:573:21:047:407:46
7:37
-0:39

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

7:12 /mi

Average Pace

7:40 /mi

Slowest Pace

8:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:48

89% of race

Time at Steady Pace

22:16

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi11:14:2323:307:3423:30
7:34
#10220
10K
6.21 mi11:36:4445:517:2322:21
7:12
#9032
15K
9.32 mi11:59:551:09:027:2423:11
7:28
#9236
20K
12.43 mi12:23:421:32:497:2823:47
7:39
#9559
Half
13.11 mi12:28:551:38:027:295:13
7:39
#9651
25K
15.53 mi12:47:481:56:557:3218:53
7:47
#9872
30K
18.64 mi13:12:152:21:227:3524:27
7:52
#9846
20M
20.00 mi13:23:122:32:197:3710:57
8:03
#9866
21M
21.00 mi13:31:402:40:477:398:28
8:28
#9863
35K
21.75 mi13:37:182:46:257:395:38
7:32
#9816
23M
23.00 mi13:47:082:56:157:409:50
7:51
#9709
24M
24.00 mi13:54:453:03:527:407:37
7:37
#9621
40K
24.85 mi14:01:203:10:277:406:35
7:42
#9528
25.2M
25.20 mi14:04:113:13:187:402:51
8:16
#9488
Finish
26.22 mi14:11:573:21:047:407:46
7:37
#9470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi10220196319639884(Top 37%)1789(Top 16%)1789(Top 98%)
10K6.21 mi3.10 mi9032+11881432+5311432+5318067(Top 30%)1071(Top 9%)1071(Top 59%)
15K9.32 mi3.11 mi9236-2041516-841516-849884(Top 37%)1789(Top 16%)1789(Top 98%)
20K12.43 mi3.11 mi9559-3231655-1391655-13910565(Top 40%)2176(Top 19%)2176(Top 120%)
Half13.11 mi0.68 mi9651-921687-321687-3211419(Top 43%)2560(Top 22%)2560(Top 141%)
25K15.53 mi2.42 mi9872-2211794-1071794-10711005(Top 41%)2482(Top 22%)2482(Top 137%)
30K18.64 mi3.11 mi9846+261821-271821-279907(Top 37%)2110(Top 18%)2110(Top 116%)
20M20.00 mi1.36 mi9866-201860-391860-3910712(Top 40%)2580(Top 23%)2580(Top 142%)
21M21.00 mi1.00 mi9863+31883-231883-2310298(Top 39%)2525(Top 22%)2525(Top 139%)
35K21.75 mi0.75 mi9816+471881+21881+28779(Top 33%)1812(Top 16%)1812(Top 100%)
23M23.00 mi1.25 mi9709+1071864+171864+178772(Top 33%)1919(Top 17%)1919(Top 106%)
24M24.00 mi1.00 mi9621+881850+141850+148544(Top 32%)1896(Top 17%)1896(Top 104%)
40K24.85 mi0.85 mi9528+931840+101840+108011(Top 30%)1749(Top 15%)1749(Top 96%)
25.2M25.20 mi0.35 mi9488+401834+61834+68158(Top 31%)1885(Top 17%)1885(Top 104%)
Finish26.22 mi1.02 mi9470+181853-191853-199437(Top 35%)2442(Top 21%)2442(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9884

Females

1789

F45-49

1789

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8067

Females

1071

F45-49

1071

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9884

Females

1789

F45-49

1789

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10565

Females

2176

F45-49

2176

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11419

Females

2560

F45-49

2560

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11005

Females

2482

F45-49

2482

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9907

Females

2110

F45-49

2110

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10712

Females

2580

F45-49

2580

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10298

Females

2525

F45-49

2525

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8779

Females

1812

F45-49

1812

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8772

Females

1919

F45-49

1919

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8544

Females

1896

F45-49

1896

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8011

Females

1749

F45-49

1749

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8158

Females

1885

F45-49

1885

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9437

Females

2442

F45-49

2442

Passing Analysis

Category:
Athletes Passed
2312*
Passed By
1560
Net Change
+750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10220
5K → 10K1213*25+1188#10220#9032
10K → 15K76280-204#9032#9236
15K → 20K57380-323#9236#9559
20K → Half698-92#9559#9651
Half → 25K68288-221#9651#9872
25K → 30K175*149+26#9872#9846
30K → 20M85105-20#9846#9866
20M → 21M8783+3#9866#9863
21M → 35K6518+47#9863#9816
35K → 23M14134+107#9816#9709
23M → 24M11022+88#9709#9621
24M → 40K106*13+93#9621#9528
40K → 25.2M488+40#9528#9488
25.2M → Finish7557+18#9488#9470
TOTALS2312*1560+750

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

📊

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