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BOSTON MARATHON 2023

Anna Cybulski

Bib: 31893•F

MA

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
10:14/mi
31:48
↑ 97↓ 3451.5%
10K· 6.21 mi
10:12/mi
1:03:28
↑ 79↓ 1380.4%
15K· 9.32 mi
10:07/mi
1:34:55
↑ 67↓ 78
20K· 12.43 mi
10:13/mi
2:06:39
↑ 106↓ 860.1%
Half· 13.11 mi
10:10/mi
2:13:35
↑ 19↓ 370.5%
25K· 15.53 mi
10:28/mi
2:38:57
↑ 66↓ 880.2%
30K· 18.64 mi
11:15/mi
3:13:54
↑ 181↓ 1480.2%
20M
10:57/mi
3:28:46
↑ 64↓ 500.2%
21M
10:57/mi
3:39:43
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
3:47:37
↑ 17↓ 861.7%
23M
10:46/mi
4:01:06
↑ 23↓ 630.6%
24M
11:18/mi
4:12:24
↓ 821.3%
40K· 24.85 mi
12:17/mi
4:22:54
↓ 200.3%
25.2M
16:14/mi
4:28:30
↑ 13↓ 160.2%
Finish· 26.22 mi
11:53/mi
4:40:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:35
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:27:02
Pace11:13 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4031:4810:1431:48
10:14
-
10K
6.21 mi12:23:201:03:2810:1331:40
10:12
-0:02
15K
9.32 mi12:54:471:34:5510:1131:27
10:07
-0:05
20K
12.43 mi13:26:312:06:3910:1131:44
10:13
+0:06
Half
13.11 mi13:33:272:13:3510:116:56
10:10
-0:03
25K
15.53 mi13:58:492:38:5710:1425:22
10:28
+0:18
30K
18.64 mi14:33:463:13:5410:2434:57
11:15
+0:47
20M
20.00 mi14:48:383:28:4610:2614:52
10:57
-0:18
21M
21.00 mi14:59:353:39:4310:2810:57
10:57
0:00
35K
21.75 mi15:07:293:47:3710:287:54
10:34
-0:23
23M
23.00 mi15:20:584:01:0610:2913:29
10:46
+0:12
24M
24.00 mi15:32:164:12:2410:3111:18
11:18
+0:32
40K
24.85 mi15:42:464:22:5410:3510:30
12:17
+0:59
25.2M
25.20 mi15:48:224:28:3010:395:36
16:14
+3:57
Finish
26.22 mi16:00:294:40:3710:4312:07
11:53
-4:21

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

10:07 /mi

Average Pace

10:43 /mi

Slowest Pace

16:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:12:24

90% of race

Time at Slower Pace

28:13

10% of race

Average Pace: 10:42 /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 mi11:51:4031:4810:1431:48
10:14
#24039
10K
6.21 mi12:23:201:03:2810:1331:40
10:12
#24092
15K
9.32 mi12:54:471:34:5510:1131:27
10:07
#23968
20K
12.43 mi13:26:312:06:3910:1131:44
10:13
#23809
Half
13.11 mi13:33:272:13:3510:116:56
10:10
#23791
25K
15.53 mi13:58:492:38:5710:1425:22
10:28
#23661
30K
18.64 mi14:33:463:13:5410:2434:57
11:15
#23613
20M
20.00 mi14:48:383:28:4610:2614:52
10:57
#23545
21M
21.00 mi14:59:353:39:4310:2810:57
10:57
#23413
35K
21.75 mi15:07:293:47:3710:287:54
10:34
#23393
23M
23.00 mi15:20:584:01:0610:2913:29
10:46
#23305
24M
24.00 mi15:32:164:12:2410:3111:18
11:18
#23335
40K
24.85 mi15:42:464:22:5410:3510:30
12:17
#23376
25.2M
25.20 mi15:48:224:28:3010:395:36
16:14
#23474
Finish
26.22 mi16:00:294:40:3710:4312:07
11:53
#23582
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240399912991223743(Top 89%)9746(Top 85%)9746(Top 200%)
10K6.21 mi3.10 mi24092-539943-319943-3124120(Top 91%)9954(Top 87%)9954(Top 204%)
15K9.32 mi3.11 mi23968+1249873+709873+7023743(Top 89%)9746(Top 85%)9746(Top 200%)
20K12.43 mi3.11 mi23809+1599783+909783+9023319(Top 88%)9526(Top 83%)9526(Top 195%)
Half13.11 mi0.68 mi23791+189777+69777+623620(Top 89%)9694(Top 85%)9694(Top 198%)
25K15.53 mi2.42 mi23661+1309713+649713+6423137(Top 87%)9463(Top 83%)9463(Top 194%)
30K18.64 mi3.11 mi23613+489708+59708+523499(Top 88%)9733(Top 85%)9733(Top 199%)
20M20.00 mi1.36 mi23545+689682+269682+2622615(Top 85%)9313(Top 82%)9313(Top 191%)
21M21.00 mi1.00 mi23413+1329617+659617+6520704(Top 78%)8300(Top 73%)8300(Top 170%)
35K21.75 mi0.75 mi23393+209616+19616+122512(Top 85%)9331(Top 82%)9331(Top 191%)
23M23.00 mi1.25 mi23305+889582+349582+3421922(Top 82%)9031(Top 79%)9031(Top 185%)
24M24.00 mi1.00 mi23335-309606-249606-2423593(Top 89%)9941(Top 87%)9941(Top 204%)
40K24.85 mi0.85 mi23376-419637-319637-3124208(Top 91%)10285(Top 90%)10285(Top 211%)
25.2M25.20 mi0.35 mi23474-989690-539690-5326183(Top 98%)11247(Top 98%)11247(Top 230%)
Finish26.22 mi1.02 mi23582-1089754-649754-6425137(Top 94%)10732(Top 94%)10732(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23743

Females

9746

F18-39

9746

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24120

Females

9954

F18-39

9954

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23743

Females

9746

F18-39

9746

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23319

Females

9526

F18-39

9526

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23620

Females

9694

F18-39

9694

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23137

Females

9463

F18-39

9463

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23499

Females

9733

F18-39

9733

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22615

Females

9313

F18-39

9313

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20704

Females

8300

F18-39

8300

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22512

Females

9331

F18-39

9331

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21922

Females

9031

F18-39

9031

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23593

Females

9941

F18-39

9941

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24208

Females

10285

F18-39

10285

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26183

Females

11247

F18-39

11247

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

25137

Females

10732

F18-39

10732

Passing Analysis

Category:
Athletes Passed
1292
Passed By
835
Net Change
+457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24039
5K → 10K173226-53#24039#24092
10K → 15K19066+124#24092#23968
15K → 20K20546+159#23968#23809
20K → Half3012+18#23809#23791
Half → 25K15323+130#23791#23661
25K → 30K12981+48#23661#23613
30K → 20M8517+68#23613#23545
20M → 21M1353+132#23545#23413
21M → 35K3818+20#23413#23393
35K → 23M979+88#23393#23305
23M → 24M2555-30#23305#23335
24M → 40K2162-41#23335#23376
40K → 25.2M3101-98#23376#23474
25.2M → Finish8116-108#23474#23582
TOTALS1292835+457
📊

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