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BOSTON MARATHON 2023

Magdalena Ankowska

Bib: 29350•F

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

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
10:54/mi
33:51
↑ 97↓ 3451.5%
10K· 6.21 mi
11:19/mi
1:09:01
↑ 79↓ 1380.4%
15K· 9.32 mi
11:28/mi
1:44:38
↑ 67↓ 78
20K· 12.43 mi
11:32/mi
2:20:29
↑ 106↓ 860.1%
Half· 13.11 mi
10:42/mi
2:27:47
↑ 19↓ 370.5%
25K· 15.53 mi
13:00/mi
2:59:19
↑ 66↓ 880.2%
30K· 18.64 mi
12:18/mi
3:37:31
↑ 181↓ 1480.2%
20M
12:31/mi
3:54:32
↑ 64↓ 500.2%
21M
13:53/mi
4:08:25
↑ 106↓ 241.6%
35K· 21.75 mi
10:56/mi
4:16:36
↑ 17↓ 861.7%
23M
11:49/mi
4:31:24
↑ 23↓ 630.6%
24M
11:31/mi
4:42:55
↓ 821.3%
40K· 24.85 mi
11:53/mi
4:53:05
↓ 200.3%
25.2M
14:21/mi
4:58:02
↑ 13↓ 160.2%
Finish· 26.22 mi
11:01/mi
5:09:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:47
Pace11:16 /mi
2nd Half
Distance13.11 mi
Time2:41:29
Pace12:19 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0733:5110:5433:51
10:54
-
10K
6.21 mi12:05:171:09:0111:0635:10
11:19
+0:25
15K
9.32 mi12:40:541:44:3811:1435:37
11:28
+0:09
20K
12.43 mi13:16:452:20:2911:1835:51
11:32
+0:04
Half
13.11 mi13:24:032:27:4711:167:18
10:42
-0:50
25K
15.53 mi13:55:352:59:1911:3331:32
13:00
+2:18
30K
18.64 mi14:33:473:37:3111:4038:12
12:18
-0:42
20M
20.00 mi14:50:483:54:3211:4417:01
12:31
+0:13
21M
21.00 mi15:04:414:08:2511:5013:53
13:53
+1:22
35K
21.75 mi15:12:524:16:3611:488:11
10:56
-2:57
23M
23.00 mi15:27:404:31:2411:4814:48
11:49
+0:53
24M
24.00 mi15:39:114:42:5511:4711:31
11:31
-0:18
40K
24.85 mi15:49:214:53:0511:4810:10
11:53
+0:22
25.2M
25.20 mi15:54:184:58:0211:504:57
14:21
+2:28
Finish
26.22 mi16:05:325:09:1611:4811:14
11:01
-3:20

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

10:42 /mi

Average Pace

11:48 /mi

Slowest Pace

14:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:20

16% of race

Time at Steady Pace

2:34:21

50% of race

Time at Slower Pace

1:45:35

34% of race

Average Pace: 11:48 /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 mi11:30:0733:5110:5433:51
10:54
#25532
10K
6.21 mi12:05:171:09:0111:0635:10
11:19
#25734
15K
9.32 mi12:40:541:44:3811:1435:37
11:28
#25720
20K
12.43 mi13:16:452:20:2911:1835:51
11:32
#25590
Half
13.11 mi13:24:032:27:4711:167:18
10:42
#25546
25K
15.53 mi13:55:352:59:1911:3331:32
13:00
#25640
30K
18.64 mi14:33:473:37:3111:4038:12
12:18
#25495
20M
20.00 mi14:50:483:54:3211:4417:01
12:31
#25458
21M
21.00 mi15:04:414:08:2511:5013:53
13:53
#25440
35K
21.75 mi15:12:524:16:3611:488:11
10:56
#25390
23M
23.00 mi15:27:404:31:2411:4814:48
11:49
#25325
24M
24.00 mi15:39:114:42:5511:4711:31
11:31
#25272
40K
24.85 mi15:49:214:53:0511:4810:10
11:53
#25234
25.2M
25.20 mi15:54:184:58:0211:504:57
14:21
#25239
Finish
26.22 mi16:05:325:09:1611:4811:14
11:01
#25215
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25532107441074425678(Top 96%)10852(Top 95%)10852(Top 222%)
10K6.21 mi3.10 mi25734-20210882-13810882-13825812(Top 97%)10919(Top 96%)10919(Top 224%)
15K9.32 mi3.11 mi25720+1410862+2010862+2025678(Top 96%)10852(Top 95%)10852(Top 222%)
20K12.43 mi3.11 mi25590+13010801+6110801+6125293(Top 95%)10652(Top 93%)10652(Top 218%)
Half13.11 mi0.68 mi25546+4410777+2410777+2424540(Top 92%)10237(Top 90%)10237(Top 210%)
25K15.53 mi2.42 mi25640-9410838-6110838-6125868(Top 97%)11005(Top 96%)11005(Top 225%)
30K18.64 mi3.11 mi25495+14510774+6410774+6424804(Top 93%)10457(Top 92%)10457(Top 214%)
20M20.00 mi1.36 mi25458+3710758+1610758+1624774(Top 93%)10487(Top 92%)10487(Top 215%)
21M21.00 mi1.00 mi25440+1810753+510753+524936(Top 94%)10577(Top 93%)10577(Top 217%)
35K21.75 mi0.75 mi25390+5010732+2110732+2123217(Top 87%)9710(Top 85%)9710(Top 199%)
23M23.00 mi1.25 mi25325+6510699+3310699+3323761(Top 89%)9987(Top 87%)9987(Top 204%)
24M24.00 mi1.00 mi25272+5310675+2410675+2423910(Top 90%)10118(Top 89%)10118(Top 207%)
40K24.85 mi0.85 mi25234+3810662+1310662+1323766(Top 89%)10069(Top 88%)10069(Top 206%)
25.2M25.20 mi0.35 mi25239-5106621066225292(Top 95%)10823(Top 95%)10823(Top 222%)
Finish26.22 mi1.02 mi25215+2410652+1010652+1024030(Top 90%)10178(Top 89%)10178(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25678

Females

10852

F18-39

10852

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25812

Females

10919

F18-39

10919

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25678

Females

10852

F18-39

10852

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25293

Females

10652

F18-39

10652

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24540

Females

10237

F18-39

10237

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25868

Females

11005

F18-39

11005

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

24804

Females

10457

F18-39

10457

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24774

Females

10487

F18-39

10487

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

24936

Females

10577

F18-39

10577

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23217

Females

9710

F18-39

9710

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23761

Females

9987

F18-39

9987

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23910

Females

10118

F18-39

10118

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23766

Females

10069

F18-39

10069

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25292

Females

10823

F18-39

10823

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

24030

Females

10178

F18-39

10178

Passing Analysis

Category:
Athletes Passed
900
Passed By
583
Net Change
+317
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25532
5K → 10K72274-202#25532#25734
10K → 15K10187+14#25734#25720
15K → 20K15424+130#25720#25590
20K → Half451+44#25590#25546
Half → 25K23117-94#25546#25640
25K → 30K15510+145#25640#25495
30K → 20M5114+37#25495#25458
20M → 21M3921+18#25458#25440
21M → 35K522+50#25440#25390
35K → 23M727+65#25390#25325
23M → 24M585+53#25325#25272
24M → 40K424+38#25272#25234
40K → 25.2M611-5#25234#25239
25.2M → Finish306+24#25239#25215
TOTALS900583+317
📊

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