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BOSTON MARATHON 2023

Julie Sisson

Bib: 26023•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

Start
0:00:00
Race begins
5K· 3.11 mi
32:36
Rank: #24700
Start → 5K
10:30/mi
32:36 split
10K· 6.21 mi
1:06:52
Rank: #25190 (-490)
5K → 10K
11:02/mi
34:16 split
15K· 9.32 mi
1:42:06
Rank: #25389 (-199)
10K → 15K
11:20/mi
35:14 split
20K· 12.43 mi
2:19:34
Rank: #25507 (-118)
15K → 20K
12:04/mi
37:28 split
Half· 13.11 mi
2:27:35
Rank: #25524 (-17)
20K → Half
11:45/mi
8:01 split
25K· 15.53 mi
2:58:06
Rank: #25569 (-45)
Half → 25K
12:35/mi
30:31 split
30K· 18.64 mi
3:37:44
Rank: #25504 (+65)
25K → 30K
12:45/mi
39:38 split
20M
3:54:35
Rank: #25462 (+42)
30K → 20M
12:24/mi
16:51 split
21M
4:09:32
Rank: #25488 (-26)
20M → 21M
14:57/mi
14:57 split
35K· 21.75 mi
4:18:16
Rank: #25459 (+29)
21M → 35K
11:40/mi
8:44 split
23M
4:33:32
Rank: #25414 (+45)
35K → 23M
12:12/mi
15:16 split
24M
4:45:45
Rank: #25402 (+12)
23M → 24M
12:13/mi
12:13 split
40K· 24.85 mi
4:56:30
Rank: #25374 (+28)
24M → 40K
12:34/mi
10:45 split
25.2M
5:01:17
Rank: #25370 (+4)
40K → 25.2M
13:52/mi
4:47 split
Finish· 26.22 mi
5:12:40
Rank: #25343 (+27)
25.2M → Finish
11:10/mi
11:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:35
Pace11:15 /mi
2nd Half
Distance13.11 mi
Time2:45:05
Pace12:36 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:0332:3610:3032:36
10:30
-
10K
6.21 mi12:30:191:06:5210:4634:16
11:02
+0:32
15K
9.32 mi13:05:331:42:0610:5735:14
11:20
+0:18
20K
12.43 mi13:43:012:19:3411:1437:28
12:04
+0:44
Half
13.11 mi13:51:022:27:3511:158:01
11:45
-0:19
25K
15.53 mi14:21:332:58:0611:2830:31
12:35
+0:50
30K
18.64 mi15:01:113:37:4411:4139:38
12:45
+0:10
20M
20.00 mi15:18:023:54:3511:4416:51
12:24
-0:21
21M
21.00 mi15:32:594:09:3211:5314:57
14:57
+2:33
35K
21.75 mi15:41:434:18:1611:538:44
11:40
-3:17
23M
23.00 mi15:56:594:33:3211:5415:16
12:12
+0:32
24M
24.00 mi16:09:124:45:4511:5412:13
12:13
+0:01
40K
24.85 mi16:19:574:56:3011:5610:45
12:34
+0:21
25.2M
25.20 mi16:24:445:01:1711:574:47
13:52
+1:18
Finish
26.22 mi16:36:075:12:4011:5611:23
11:10
-2:42

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

10:30 /mi

Average Pace

11:56 /mi

Slowest Pace

14:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:29

36% of race

Time at Steady Pace

2:19:49

45% of race

Time at Slower Pace

59:22

19% of race

Average Pace: 11:55 /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 mi11:56:0332:3610:3032:36
10:30
#24700
10K
6.21 mi12:30:191:06:5210:4634:16
11:02
#25190
15K
9.32 mi13:05:331:42:0610:5735:14
11:20
#25389
20K
12.43 mi13:43:012:19:3411:1437:28
12:04
#25507
Half
13.11 mi13:51:022:27:3511:158:01
11:45
#25524
25K
15.53 mi14:21:332:58:0611:2830:31
12:35
#25569
30K
18.64 mi15:01:113:37:4411:4139:38
12:45
#25504
20M
20.00 mi15:18:023:54:3511:4416:51
12:24
#25462
21M
21.00 mi15:32:594:09:3211:5314:57
14:57
#25488
35K
21.75 mi15:41:434:18:1611:538:44
11:40
#25459
23M
23.00 mi15:56:594:33:3211:5415:16
12:12
#25414
24M
24.00 mi16:09:124:45:4511:5412:13
12:13
#25402
40K
24.85 mi16:19:574:56:3011:5610:45
12:34
#25374
25.2M
25.20 mi16:24:445:01:1711:574:47
13:52
#25370
Finish
26.22 mi16:36:075:12:4011:5611:23
11:10
#25343
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24700102721027225552(Top 96%)10781(Top 94%)10781(Top 221%)
10K6.21 mi3.10 mi25190-49010539-26710539-26725503(Top 96%)10736(Top 94%)10736(Top 220%)
15K9.32 mi3.11 mi25389-19910669-13010669-13025552(Top 96%)10781(Top 94%)10781(Top 221%)
20K12.43 mi3.11 mi25507-11810752-8310752-8325693(Top 97%)10882(Top 95%)10882(Top 223%)
Half13.11 mi0.68 mi25524-1710764-1210764-1225690(Top 96%)10896(Top 95%)10896(Top 223%)
25K15.53 mi2.42 mi25569-4510797-3310797-3325620(Top 96%)10861(Top 95%)10861(Top 222%)
30K18.64 mi3.11 mi25504+6510779+1810779+1825211(Top 95%)10685(Top 94%)10685(Top 219%)
20M20.00 mi1.36 mi25462+4210762+1710762+1724637(Top 93%)10415(Top 91%)10415(Top 213%)
21M21.00 mi1.00 mi25488-2610780-1810780-1825696(Top 97%)10948(Top 96%)10948(Top 224%)
35K21.75 mi0.75 mi25459+2910765+1510765+1524336(Top 91%)10307(Top 90%)10307(Top 211%)
23M23.00 mi1.25 mi25414+4510745+2010745+2024246(Top 91%)10263(Top 90%)10263(Top 210%)
24M24.00 mi1.00 mi25402+1210741+410741+424772(Top 93%)10572(Top 93%)10572(Top 216%)
40K24.85 mi0.85 mi25374+2810730+1110730+1124533(Top 92%)10452(Top 91%)10452(Top 214%)
25.2M25.20 mi0.35 mi25370+4107301073024918(Top 94%)10655(Top 93%)10655(Top 218%)
Finish26.22 mi1.02 mi25343+2710718+1210718+1224265(Top 91%)10291(Top 90%)10291(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25552

Females

10781

F18-39

10781

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25503

Females

10736

F18-39

10736

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25552

Females

10781

F18-39

10781

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25693

Females

10882

F18-39

10882

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25690

Females

10896

F18-39

10896

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25620

Females

10861

F18-39

10861

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25211

Females

10685

F18-39

10685

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24637

Females

10415

F18-39

10415

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25696

Females

10948

F18-39

10948

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24336

Females

10307

F18-39

10307

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24246

Females

10263

F18-39

10263

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24772

Females

10572

F18-39

10572

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24533

Females

10452

F18-39

10452

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24918

Females

10655

F18-39

10655

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24265

Females

10291

F18-39

10291

Passing Analysis

Category:
Athletes Passed
550
Passed By
1193
Net Change
-643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24700
5K → 10K51541-490#24700#25190
10K → 15K40239-199#25190#25389
15K → 20K55173-118#25389#25507
20K → Half1229-17#25507#25524
Half → 25K4489-45#25524#25569
25K → 30K10035+65#25569#25504
30K → 20M5210+42#25504#25462
20M → 21M1440-26#25462#25488
21M → 35K367+29#25488#25459
35K → 23M494+45#25459#25414
23M → 24M2311+12#25414#25402
24M → 40K357+28#25402#25374
40K → 25.2M73+4#25374#25370
25.2M → Finish325+27#25370#25343
TOTALS5501193-643
📊

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