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BOSTON MARATHON 2023

Julia Sickle

KS

Bib: 17391 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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:16/mi
28:47
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:20/mi
57:48
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:13/mi
1:26:27
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:26/mi
1:55:45
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:17/mi
2:02:05
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:32/mi
2:25:13
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:38/mi
2:55:08
↑ 181↓ 1480.2%
138 ft elev
20M
9:53/mi
3:08:34
↑ 64↓ 500.2%
148 ft elev
21M
10:10/mi
3:18:44
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:37/mi
3:25:56
↑ 17↓ 861.7%
156 ft elev
23M
9:44/mi
3:38:07
↑ 23↓ 630.6%
116 ft elev
24M
9:38/mi
3:47:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:49/mi
3:57:00
↓ 200.3%
20 ft elev
25.2M
10:15/mi
4:00:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:15/mi
4:09:58
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:02:059:19 /mi⚡ faster
2nd Half
2:07:539:45 /mi+4.8%
Positive split — 4.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3228:479:1628:47
9:16
-
10K
6.21 mi11:48:3357:489:1829:01
9:20
+0:04
15K
9.32 mi12:17:121:26:279:1728:39
9:13
-0:07
20K
12.43 mi12:46:301:55:459:1929:18
9:26
+0:13
Half
13.11 mi12:52:502:02:059:196:20
9:17
-0:09
25K
15.53 mi13:15:582:25:139:2123:08
9:32
+0:15
30K
18.64 mi13:45:532:55:089:2429:55
9:38
+0:06
20M
20.00 mi13:59:193:08:349:2613:26
9:53
+0:15
21M
21.00 mi14:09:293:18:449:2810:10
10:10
+0:17
35K
21.75 mi14:16:413:25:569:287:12
9:37
-0:33
23M
23.00 mi14:28:523:38:079:2912:11
9:44
+0:07
24M
24.00 mi14:38:303:47:459:299:38
9:38
-0:06
40K
24.85 mi14:47:453:57:009:329:15
10:49
+1:11
25.2M
25.20 mi14:51:174:00:329:333:32
10:15
-0:34
Finish
26.22 mi15:00:434:09:589:329:26
9:15
-1:00

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

9:13 /mi

Average Pace

9:32 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:47:01

91% of race

Time at Steady Pace

22:57

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:32 /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 mi11:19:3228:479:1628:47
9:16
#21424
10K
6.21 mi11:48:3357:489:1829:01
9:20
#21736
15K
9.32 mi12:17:121:26:279:1728:39
9:13
#21620
20K
12.43 mi12:46:301:55:459:1929:18
9:26
#21549
Half
13.11 mi12:52:502:02:059:196:20
9:17
#21542
25K
15.53 mi13:15:582:25:139:2123:08
9:32
#21441
30K
18.64 mi13:45:532:55:089:2429:55
9:38
#21166
20M
20.00 mi13:59:193:08:349:2613:26
9:53
#21055
21M
21.00 mi14:09:293:18:449:2810:10
10:10
#20900
35K
21.75 mi14:16:413:25:569:287:12
9:37
#20866
23M
23.00 mi14:28:523:38:079:2912:11
9:44
#20750
24M
24.00 mi14:38:303:47:459:299:38
9:38
#20707
40K
24.85 mi14:47:453:57:009:329:15
10:49
#20744
25.2M
25.20 mi14:51:174:00:329:333:32
10:15
#20704
Finish
26.22 mi15:00:434:09:589:329:26
9:15
#20657
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi21424859185912138284398439
10K6.21 mi3.10 mi21736-3128708-1178708-1172204888398839
15K9.32 mi3.11 mi21620+1168626+828626+822138284398439
20K12.43 mi3.11 mi21549+718582+448582+442132984198419
Half13.11 mi0.68 mi21542+78570+128570+122146384928492
25K15.53 mi2.42 mi21441+1018510+608510+602097682548254
30K18.64 mi3.11 mi21166+2758371+1398371+1391990577127712
20M20.00 mi1.36 mi21055+1118329+428329+422014879517951
21M21.00 mi1.00 mi20900+1558254+758254+751862971327132
35K21.75 mi0.75 mi20866+348247+78247+72024480828082
23M23.00 mi1.25 mi20750+1168196+518196+511920975337533
24M24.00 mi1.00 mi20707+438181+158181+151970178107810
40K24.85 mi0.85 mi20744-378210-298210-292197691369136
25.2M25.20 mi0.35 mi20704+408197+138197+131835871677167
Finish26.22 mi1.02 mi20657+478175+228175+221921275667566

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21382

Females

8439

F18-39

8439

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22048

Females

8839

F18-39

8839

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21382

Females

8439

F18-39

8439

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21329

Females

8419

F18-39

8419

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21463

Females

8492

F18-39

8492

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

20976

Females

8254

F18-39

8254

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19905

Females

7712

F18-39

7712

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20148

Females

7951

F18-39

7951

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18629

Females

7132

F18-39

7132

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20244

Females

8082

F18-39

8082

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19209

Females

7533

F18-39

7533

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19701

Females

7810

F18-39

7810

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21976

Females

9136

F18-39

9136

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18358

Females

7167

F18-39

7167

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19212

Females

7566

F18-39

7566

Passing Analysis

Category:
Athletes Passed
1703
Passed By
936
Net Change
+767
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21424
5K → 10K148460-312#21424#21736
10K → 15K227111+116#21736#21620
15K → 20K16089+71#21620#21549
20K → Half2922+7#21549#21542
Half → 25K15857+101#21542#21441
25K → 30K30328+275#21441#21166
30K → 20M12514+111#21166#21055
20M → 21M1627+155#21055#20900
21M → 35K5218+34#20900#20866
35K → 23M13620+116#20866#20750
23M → 24M6522+43#20750#20707
24M → 40K3067-37#20707#20744
40K → 25.2M433+40#20744#20704
25.2M → Finish6518+47#20704#20657
TOTALS1703936+767

Passing Charts

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