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BOSTON MARATHON 2023

Julie Luistro

Bib: 21682•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 50%
Masters (Masters Women)
#0 / 6539
Top 39%
Division (F45-49)
#0 / 1817
Top 47%
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
8:39/mi
26:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:37/mi
53:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:31/mi
1:20:04
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:46:47
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:52:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:13:09
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:40:16
↑ 181↓ 1480.2%
20M
8:45/mi
2:52:10
↑ 64↓ 500.2%
21M
9:08/mi
3:01:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:07:40
↑ 17↓ 861.7%
23M
8:47/mi
3:18:40
↑ 23↓ 630.6%
24M
8:29/mi
3:27:09
↓ 821.3%
40K· 24.85 mi
8:39/mi
3:34:33
↓ 200.3%
25.2M
8:59/mi
3:37:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:45:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:52:31
Pace8:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:53:19
Pace8:39 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1726:528:3926:52
8:39
-
10K
6.21 mi11:47:0253:378:3826:45
8:37
-0:02
15K
9.32 mi12:13:291:20:048:3526:27
8:31
-0:06
20K
12.43 mi12:40:121:46:478:3626:43
8:36
+0:05
Half
13.11 mi12:45:561:52:318:355:44
8:24
-0:12
25K
15.53 mi13:06:342:13:098:3420:38
8:31
+0:07
30K
18.64 mi13:33:412:40:168:3627:07
8:44
+0:13
20M
20.00 mi13:45:352:52:108:3611:54
8:45
+0:01
21M
21.00 mi13:54:433:01:188:389:08
9:08
+0:23
35K
21.75 mi14:01:053:07:408:386:22
8:31
-0:37
23M
23.00 mi14:12:053:18:408:3811:00
8:47
+0:16
24M
24.00 mi14:20:343:27:098:388:29
8:29
-0:18
40K
24.85 mi14:27:583:34:338:387:24
8:39
+0:10
25.2M
25.20 mi14:31:043:37:398:383:06
8:59
+0:20
Finish
26.22 mi14:39:153:45:508:378:11
8:02
-0:57

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

8:02 /mi

Average Pace

8:37 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:36

95% of race

Time at Steady Pace

12:14

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:37 /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 mi11:20:1726:528:3926:52
8:39
#18549
10K
6.21 mi11:47:0253:378:3826:45
8:37
#18677
15K
9.32 mi12:13:291:20:048:3526:27
8:31
#18428
20K
12.43 mi12:40:121:46:478:3626:43
8:36
#18162
Half
13.11 mi12:45:561:52:318:355:44
8:24
#18103
25K
15.53 mi13:06:342:13:098:3420:38
8:31
#17760
30K
18.64 mi13:33:412:40:168:3627:07
8:44
#17344
20M
20.00 mi13:45:352:52:108:3611:54
8:45
#17186
21M
21.00 mi13:54:433:01:188:389:08
9:08
#16985
35K
21.75 mi14:01:053:07:408:386:22
8:31
#16934
23M
23.00 mi14:12:053:18:408:3811:00
8:47
#16810
24M
24.00 mi14:20:343:27:098:388:29
8:29
#16692
40K
24.85 mi14:27:583:34:338:387:24
8:39
#16597
25.2M
25.20 mi14:31:043:37:398:383:06
8:59
#16524
Finish
26.22 mi14:39:153:45:508:378:11
8:02
#16332
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi185496900690017907(Top 67%)6438(Top 56%)6438(Top 354%)
10K6.21 mi3.10 mi18677-1286929-296929-2918895(Top 71%)7022(Top 61%)7022(Top 386%)
15K9.32 mi3.11 mi18428+2496763+1666763+16617907(Top 67%)6438(Top 56%)6438(Top 354%)
20K12.43 mi3.11 mi18162+2666607+1566607+15617487(Top 66%)6213(Top 54%)6213(Top 342%)
Half13.11 mi0.68 mi18103+596569+386569+3817183(Top 65%)5999(Top 53%)5999(Top 330%)
25K15.53 mi2.42 mi17760+3436389+1806389+18016269(Top 61%)5596(Top 49%)5596(Top 308%)
30K18.64 mi3.11 mi17344+4166155+2346155+23415672(Top 59%)5316(Top 47%)5316(Top 293%)
20M20.00 mi1.36 mi17186+1586092+636092+6315216(Top 57%)5125(Top 45%)5125(Top 282%)
21M21.00 mi1.00 mi16985+2015980+1125980+11214160(Top 53%)4580(Top 40%)4580(Top 252%)
35K21.75 mi0.75 mi16934+515949+315949+3115419(Top 58%)5364(Top 47%)5364(Top 295%)
23M23.00 mi1.25 mi16810+1245906+435906+4314942(Top 56%)5142(Top 45%)5142(Top 283%)
24M24.00 mi1.00 mi16692+1185855+515855+5114417(Top 54%)4911(Top 43%)4911(Top 270%)
40K24.85 mi0.85 mi16597+955828+275828+2714303(Top 54%)4918(Top 43%)4918(Top 271%)
25.2M25.20 mi0.35 mi16524+735790+385790+3812586(Top 47%)4045(Top 35%)4045(Top 223%)
Finish26.22 mi1.02 mi16332+1925679+1115679+11112379(Top 46%)3910(Top 34%)3910(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17907

Females

6438

F45-49

6438

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18895

Females

7022

F45-49

7022

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17907

Females

6438

F45-49

6438

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17487

Females

6213

F45-49

6213

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17183

Females

5999

F45-49

5999

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16269

Females

5596

F45-49

5596

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15672

Females

5316

F45-49

5316

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15216

Females

5125

F45-49

5125

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14160

Females

4580

F45-49

4580

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15419

Females

5364

F45-49

5364

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14942

Females

5142

F45-49

5142

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14417

Females

4911

F45-49

4911

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14303

Females

4918

F45-49

4918

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12586

Females

4045

F45-49

4045

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12379

Females

3910

F45-49

3910

Passing Analysis

Category:
Athletes Passed
2891
Passed By
674
Net Change
+2217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18549
5K → 10K269397-128#18549#18677
10K → 15K32576+249#18677#18428
15K → 20K32054+266#18428#18162
20K → Half667+59#18162#18103
Half → 25K3529+343#18103#17760
25K → 30K43519+416#17760#17344
30K → 20M17517+158#17344#17186
20M → 21M21413+201#17186#16985
21M → 35K6615+51#16985#16934
35K → 23M15127+124#16934#16810
23M → 24M13416+118#16810#16692
24M → 40K11217+95#16692#16597
40K → 25.2M752+73#16597#16524
25.2M → Finish1975+192#16524#16332
TOTALS2891674+2217
📊

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