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BOSTON MARATHON 2023

Yordanka Shtiliyanova

Bib: 11872•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 24%
Masters (Masters Women)
#0 / 6539
Top 11%
Division (F45-49)
#0 / 1817
Top 12%
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
7:43/mi
23:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
47:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:11:12
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:35:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:40:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
1:59:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:24:36
↑ 181↓ 1480.2%
20M
8:23/mi
2:35:59
↑ 64↓ 500.2%
21M
8:23/mi
2:44:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:50:26
↑ 17↓ 861.7%
23M
8:27/mi
3:01:01
↑ 23↓ 630.6%
24M
8:07/mi
3:09:08
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:15:54
↓ 200.3%
25.2M
8:33/mi
3:18:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:42/mi
3:26:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:19
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:46:23
Pace8:07 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4423:587:4323:58
7:43
-
10K
6.21 mi11:15:2047:347:3923:36
7:36
-0:07
15K
9.32 mi11:38:581:11:127:3823:38
7:36
0:00
20K
12.43 mi12:02:511:35:057:3923:53
7:41
+0:05
Half
13.11 mi12:08:051:40:197:395:14
7:40
-0:01
25K
15.53 mi12:27:171:59:317:4219:12
7:55
+0:15
30K
18.64 mi12:52:222:24:367:4525:05
8:04
+0:09
20M
20.00 mi13:03:452:35:597:4811:23
8:23
+0:19
21M
21.00 mi13:12:082:44:227:508:23
8:23
0:00
35K
21.75 mi13:18:122:50:267:506:04
8:07
-0:16
23M
23.00 mi13:28:473:01:017:5210:35
8:27
+0:20
24M
24.00 mi13:36:543:09:087:538:07
8:07
-0:20
40K
24.85 mi13:43:403:15:547:536:46
7:55
-0:12
25.2M
25.20 mi13:46:373:18:517:532:57
8:33
+0:38
Finish
26.22 mi13:54:283:26:427:537:51
7:42
-0:51

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

7:36 /mi

Average Pace

7:53 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:24

84% of race

Time at Steady Pace

33:18

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:51:4423:587:4323:58
7:43
#11590
10K
6.21 mi11:15:2047:347:3923:36
7:36
#11396
15K
9.32 mi11:38:581:11:127:3823:38
7:36
#11287
20K
12.43 mi12:02:511:35:057:3923:53
7:41
#11119
Half
13.11 mi12:08:051:40:197:395:14
7:40
#11142
25K
15.53 mi12:27:171:59:317:4219:12
7:55
#11249
30K
18.64 mi12:52:222:24:367:4525:05
8:04
#11226
20M
20.00 mi13:03:452:35:597:4811:23
8:23
#11361
21M
21.00 mi13:12:082:44:227:508:23
8:23
#11228
35K
21.75 mi13:18:122:50:267:506:04
8:07
#11287
23M
23.00 mi13:28:473:01:017:5210:35
8:27
#11399
24M
24.00 mi13:36:543:09:087:538:07
8:07
#11416
40K
24.85 mi13:43:403:15:547:536:46
7:55
#11322
25.2M
25.20 mi13:46:373:18:517:532:57
8:33
#11285
Finish
26.22 mi13:54:283:26:427:537:51
7:42
#11199
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi115902636263611094(Top 42%)2405(Top 21%)2405(Top 132%)
10K6.21 mi3.10 mi11396+1942543+932543+9311310(Top 42%)2500(Top 22%)2500(Top 138%)
15K9.32 mi3.11 mi11287+1092485+582485+5811094(Top 42%)2405(Top 21%)2405(Top 132%)
20K12.43 mi3.11 mi11119+1682391+942391+9410835(Top 41%)2330(Top 20%)2330(Top 128%)
Half13.11 mi0.68 mi11142-232407-162407-1611682(Top 44%)2726(Top 24%)2726(Top 150%)
25K15.53 mi2.42 mi11249-1072501-942501-9412054(Top 45%)3104(Top 27%)3104(Top 171%)
30K18.64 mi3.11 mi11226+232546-452546-4511471(Top 43%)2885(Top 25%)2885(Top 159%)
20M20.00 mi1.36 mi11361-1352633-872633-8712907(Top 48%)3814(Top 33%)3814(Top 210%)
21M21.00 mi1.00 mi11228+1332582+512582+519703(Top 36%)2255(Top 20%)2255(Top 124%)
35K21.75 mi0.75 mi11287-592622-402622-4012851(Top 48%)3904(Top 34%)3904(Top 215%)
23M23.00 mi1.25 mi11399-1122719-972719-9712928(Top 49%)4024(Top 35%)4024(Top 221%)
24M24.00 mi1.00 mi11416-172743-242743-2412053(Top 45%)3610(Top 32%)3610(Top 199%)
40K24.85 mi0.85 mi11322+942714+292714+299482(Top 36%)2397(Top 21%)2397(Top 132%)
25.2M25.20 mi0.35 mi11285+372711+32711+39933(Top 37%)2649(Top 23%)2649(Top 146%)
Finish26.22 mi1.02 mi11199+862688+232688+2310024(Top 38%)2711(Top 24%)2711(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11094

Females

2405

F45-49

2405

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11310

Females

2500

F45-49

2500

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11094

Females

2405

F45-49

2405

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10835

Females

2330

F45-49

2330

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11682

Females

2726

F45-49

2726

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12054

Females

3104

F45-49

3104

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11471

Females

2885

F45-49

2885

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12907

Females

3814

F45-49

3814

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9703

Females

2255

F45-49

2255

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12851

Females

3904

F45-49

3904

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12928

Females

4024

F45-49

4024

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12053

Females

3610

F45-49

3610

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9482

Females

2397

F45-49

2397

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9933

Females

2649

F45-49

2649

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10024

Females

2711

F45-49

2711

Passing Analysis

Category:
Athletes Passed
1830
Passed By
1439
Net Change
+391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11590
5K → 10K404210+194#11590#11396
10K → 15K237128+109#11396#11287
15K → 20K24476+168#11287#11119
20K → Half1538-23#11119#11142
Half → 25K96203-107#11142#11249
25K → 30K190167+23#11249#11226
30K → 20M48183-135#11226#11361
20M → 21M16431+133#11361#11228
21M → 35K2887-59#11228#11287
35K → 23M60172-112#11287#11399
23M → 24M5774-17#11399#11416
24M → 40K11420+94#11416#11322
40K → 25.2M5720+37#11322#11285
25.2M → Finish11630+86#11285#11199
TOTALS18301439+391
📊

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