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BOSTON MARATHON 2023

Sarah Yerkovich

Bib: 27850•F

IL

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
10:30/mi
32:38
↑ 97↓ 3451.5%
10K· 6.21 mi
9:14/mi
1:01:18
↑ 79↓ 1380.4%
15K· 9.32 mi
9:01/mi
1:29:19
↑ 67↓ 78
20K· 12.43 mi
8:58/mi
1:57:11
↑ 106↓ 860.1%
Half· 13.11 mi
12:52/mi
2:05:58
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:28:27
↑ 66↓ 880.2%
30K· 18.64 mi
10:11/mi
3:00:04
↑ 181↓ 1480.2%
20M
10:23/mi
3:14:10
↑ 64↓ 500.2%
21M
10:44/mi
3:24:54
↑ 106↓ 241.6%
35K· 21.75 mi
10:06/mi
3:32:27
↑ 17↓ 861.7%
23M
10:40/mi
3:45:48
↑ 23↓ 630.6%
24M
10:55/mi
3:56:43
↓ 821.3%
40K· 24.85 mi
10:57/mi
4:06:05
↓ 200.3%
25.2M
11:56/mi
4:10:12
↑ 13↓ 160.2%
Finish· 26.22 mi
9:38/mi
4:20:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:58
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:14:03
Pace10:14 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1632:3810:3032:38
10:30
-
10K
6.21 mi12:18:561:01:189:5228:40
9:14
-1:16
15K
9.32 mi12:46:571:29:199:3528:01
9:01
-0:13
20K
12.43 mi13:14:491:57:119:2627:52
8:58
-0:03
Half
13.11 mi13:23:362:05:589:378:47
12:52
+3:54
25K
15.53 mi13:46:052:28:279:3322:29
9:16
-3:36
30K
18.64 mi14:17:423:00:049:4031:37
10:11
+0:55
20M
20.00 mi14:31:483:14:109:4214:06
10:23
+0:12
21M
21.00 mi14:42:323:24:549:4510:44
10:44
+0:21
35K
21.75 mi14:50:053:32:279:467:33
10:06
-0:38
23M
23.00 mi15:03:263:45:489:4913:21
10:40
+0:34
24M
24.00 mi15:14:213:56:439:5210:55
10:55
+0:15
40K
24.85 mi15:23:434:06:059:549:22
10:57
+0:02
25.2M
25.20 mi15:27:504:10:129:564:07
11:56
+0:59
Finish
26.22 mi15:37:394:20:019:559:49
9:38
-2:18

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

8:58 /mi

Average Pace

9:55 /mi

Slowest Pace

12:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:51

45% of race

Time at Steady Pace

1:49:59

42% of race

Time at Slower Pace

33:11

13% of race

Average Pace: 9:55 /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 mi11:50:1632:3810:3032:38
10:30
#24720
10K
6.21 mi12:18:561:01:189:5228:40
9:14
#23314
15K
9.32 mi12:46:571:29:199:3528:01
9:01
#22539
20K
12.43 mi13:14:491:57:119:2627:52
8:58
#21894
Half
13.11 mi13:23:362:05:589:378:47
12:52
#22432
25K
15.53 mi13:46:052:28:279:3322:29
9:16
#22047
30K
18.64 mi14:17:423:00:049:4031:37
10:11
#21949
20M
20.00 mi14:31:483:14:109:4214:06
10:23
#21902
21M
21.00 mi14:42:323:24:549:4510:44
10:44
#21813
35K
21.75 mi14:50:053:32:279:467:33
10:06
#21812
23M
23.00 mi15:03:263:45:489:4913:21
10:40
#21803
24M
24.00 mi15:14:213:56:439:5210:55
10:55
#21858
40K
24.85 mi15:23:434:06:059:549:22
10:57
#21866
25.2M
25.20 mi15:27:504:10:129:564:07
11:56
#21876
Finish
26.22 mi15:37:394:20:019:559:49
9:38
#21843
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24720102811028120590(Top 77%)8010(Top 70%)8010(Top 164%)
10K6.21 mi3.10 mi23314+14069533+7489533+74821709(Top 82%)8662(Top 76%)8662(Top 177%)
15K9.32 mi3.11 mi22539+7759112+4219112+42120590(Top 77%)8010(Top 70%)8010(Top 164%)
20K12.43 mi3.11 mi21894+6458774+3388774+33819569(Top 74%)7419(Top 65%)7419(Top 152%)
Half13.11 mi0.68 mi22432-5389050-2769050-27626312(Top 99%)11248(Top 98%)11248(Top 230%)
25K15.53 mi2.42 mi22047+3858853+1978853+19720125(Top 76%)7771(Top 68%)7771(Top 159%)
30K18.64 mi3.11 mi21949+988807+468807+4621484(Top 81%)8626(Top 76%)8626(Top 177%)
20M20.00 mi1.36 mi21902+478794+138794+1321472(Top 81%)8684(Top 76%)8684(Top 178%)
21M21.00 mi1.00 mi21813+898746+488746+4820239(Top 76%)8060(Top 71%)8060(Top 165%)
35K21.75 mi0.75 mi21812+18761-158761-1521547(Top 81%)8799(Top 77%)8799(Top 180%)
23M23.00 mi1.25 mi21803+98769-88769-821686(Top 81%)8899(Top 78%)8899(Top 182%)
24M24.00 mi1.00 mi21858-558805-368805-3622892(Top 86%)9575(Top 84%)9575(Top 196%)
40K24.85 mi0.85 mi21866-88822-178822-1722264(Top 84%)9273(Top 81%)9273(Top 190%)
25.2M25.20 mi0.35 mi21876-108831-98831-922394(Top 84%)9342(Top 82%)9342(Top 191%)
Finish26.22 mi1.02 mi21843+338824+78824+720603(Top 77%)8354(Top 73%)8354(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20590

Females

8010

F18-39

8010

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21709

Females

8662

F18-39

8662

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20590

Females

8010

F18-39

8010

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19569

Females

7419

F18-39

7419

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26312

Females

11248

F18-39

11248

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20125

Females

7771

F18-39

7771

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21484

Females

8626

F18-39

8626

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

21472

Females

8684

F18-39

8684

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20239

Females

8060

F18-39

8060

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21547

Females

8799

F18-39

8799

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21686

Females

8899

F18-39

8899

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22892

Females

9575

F18-39

9575

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22264

Females

9273

F18-39

9273

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22394

Females

9342

F18-39

9342

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20603

Females

8354

F18-39

8354

Passing Analysis

Category:
Athletes Passed
3823
Passed By
946
Net Change
+2877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24720
5K → 10K14082+1406#24720#23314
10K → 15K7783+775#23314#22539
15K → 20K6472+645#22539#21894
20K → Half0538-538#21894#22432
Half → 25K3872+385#22432#22047
25K → 30K18789+98#22047#21949
30K → 20M8942+47#21949#21902
20M → 21M10617+89#21902#21813
21M → 35K3433+1#21813#21812
35K → 23M7263+9#21812#21803
23M → 24M1671-55#21803#21858
24M → 40K3644-8#21858#21866
40K → 25.2M1020-10#21866#21876
25.2M → Finish5320+33#21876#21843
TOTALS3823946+2877
📊

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