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BOSTON MARATHON 2023

Sylwia Wiatr

Bib: 11390•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 15%
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
7:01/mi
21:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:03/mi
43:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:06:05
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:28:47
↑ 106↓ 860.1%
Half· 13.11 mi
7:04/mi
1:33:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:51:32
↑ 66↓ 880.2%
30K· 18.64 mi
7:37/mi
2:15:11
↑ 181↓ 1480.2%
20M
7:35/mi
2:25:29
↑ 64↓ 500.2%
21M
8:14/mi
2:33:43
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:38:57
↑ 17↓ 861.7%
23M
7:27/mi
2:48:17
↑ 23↓ 630.6%
24M
7:10/mi
2:55:27
↓ 821.3%
40K· 24.85 mi
7:22/mi
3:01:45
↓ 200.3%
25.2M
7:58/mi
3:04:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:12:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:36
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:38:28
Pace7:31 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1421:477:0121:47
7:01
-
10K
6.21 mi11:10:0943:427:0221:55
7:03
+0:02
15K
9.32 mi11:32:321:06:057:0522:23
7:12
+0:09
20K
12.43 mi11:55:141:28:477:0922:42
7:18
+0:06
Half
13.11 mi12:00:031:33:367:084:49
7:04
-0:14
25K
15.53 mi12:17:591:51:327:1117:56
7:24
+0:20
30K
18.64 mi12:41:382:15:117:1523:39
7:37
+0:13
20M
20.00 mi12:51:562:25:297:1610:18
7:35
-0:02
21M
21.00 mi13:00:102:33:437:198:14
8:14
+0:39
35K
21.75 mi13:05:242:38:577:195:14
7:00
-1:14
23M
23.00 mi13:14:442:48:177:199:20
7:27
+0:27
24M
24.00 mi13:21:542:55:277:197:10
7:10
-0:17
40K
24.85 mi13:28:123:01:457:196:18
7:22
+0:12
25.2M
25.20 mi13:30:573:04:307:192:45
7:58
+0:36
Finish
26.22 mi13:38:313:12:047:207:34
7:26
-0:32

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

7:00 /mi

Average Pace

7:20 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:05

94% of race

Time at Steady Pace

10:59

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi10:48:1421:477:0121:47
7:01
#6328
10K
6.21 mi11:10:0943:427:0221:55
7:03
#6702
15K
9.32 mi11:32:321:06:057:0522:23
7:12
#7043
20K
12.43 mi11:55:141:28:477:0922:42
7:18
#7190
Half
13.11 mi12:00:031:33:367:084:49
7:04
#7170
25K
15.53 mi12:17:591:51:327:1117:56
7:24
#7253
30K
18.64 mi12:41:382:15:117:1523:39
7:37
#7314
20M
20.00 mi12:51:562:25:297:1610:18
7:35
#7275
21M
21.00 mi13:00:102:33:437:198:14
8:14
#7324
35K
21.75 mi13:05:242:38:577:195:14
7:00
#7227
23M
23.00 mi13:14:442:48:177:199:20
7:27
#7126
24M
24.00 mi13:21:542:55:277:197:10
7:10
#7012
40K
24.85 mi13:28:123:01:457:196:18
7:22
#6944
25.2M
25.20 mi13:30:573:04:307:192:45
7:58
#6907
Finish
26.22 mi13:38:313:12:047:207:34
7:26
#6923
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi63285625627844(Top 29%)1019(Top 9%)1019(Top 21%)
10K6.21 mi3.10 mi6702-374656-94656-947157(Top 27%)795(Top 7%)795(Top 16%)
15K9.32 mi3.11 mi7043-341748-92748-927844(Top 29%)1019(Top 9%)1019(Top 21%)
20K12.43 mi3.11 mi7190-147796-48796-487838(Top 29%)1051(Top 9%)1051(Top 22%)
Half13.11 mi0.68 mi7170+20784+12784+126973(Top 26%)757(Top 7%)757(Top 15%)
25K15.53 mi2.42 mi7253-83823-39823-398001(Top 30%)1181(Top 10%)1181(Top 24%)
30K18.64 mi3.11 mi7314-61866-43866-438018(Top 30%)1312(Top 11%)1312(Top 27%)
20M20.00 mi1.36 mi7275+39870-4870-47368(Top 28%)1161(Top 10%)1161(Top 24%)
21M21.00 mi1.00 mi7324-49908-38908-388813(Top 33%)1840(Top 16%)1840(Top 38%)
35K21.75 mi0.75 mi7227+97886+22886+225365(Top 20%)591(Top 5%)591(Top 12%)
23M23.00 mi1.25 mi7126+101879+7879+76194(Top 23%)880(Top 8%)880(Top 18%)
24M24.00 mi1.00 mi7012+114866+13866+135587(Top 21%)746(Top 7%)746(Top 15%)
40K24.85 mi0.85 mi6944+68861+5861+55918(Top 22%)949(Top 8%)949(Top 19%)
25.2M25.20 mi0.35 mi6907+37864-3864-36399(Top 24%)1183(Top 10%)1183(Top 24%)
Finish26.22 mi1.02 mi6923-16888-24888-247978(Top 30%)1808(Top 16%)1808(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7844

Females

1019

F18-39

1019

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7157

Females

795

F18-39

795

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7844

Females

1019

F18-39

1019

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7838

Females

1051

F18-39

1051

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6973

Females

757

F18-39

757

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8001

Females

1181

F18-39

1181

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8018

Females

1312

F18-39

1312

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7368

Females

1161

F18-39

1161

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8813

Females

1840

F18-39

1840

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5365

Females

591

F18-39

591

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6194

Females

880

F18-39

880

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5587

Females

746

F18-39

746

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5918

Females

949

F18-39

949

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6399

Females

1183

F18-39

1183

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7978

Females

1808

F18-39

1808

Passing Analysis

Category:
Athletes Passed
1015
Passed By
1610
Net Change
-595
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6328
5K → 10K65439-374#6328#6702
10K → 15K35376-341#6702#7043
15K → 20K63210-147#7043#7190
20K → Half277+20#7190#7170
Half → 25K58141-83#7170#7253
25K → 30K101162-61#7253#7314
30K → 20M8243+39#7314#7275
20M → 21M4594-49#7275#7324
21M → 35K1025+97#7324#7227
35K → 23M12928+101#7227#7126
23M → 24M1239+114#7126#7012
24M → 40K8113+68#7012#6944
40K → 25.2M5215+37#6944#6907
25.2M → Finish5268-16#6907#6923
TOTALS10151610-595
📊

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