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BOSTON MARATHON 2023

Julianna Molloy

Bib: 26058•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

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
10:20/mi
32:07
↑ 97↓ 3451.5%
10K· 6.21 mi
9:39/mi
1:02:06
↑ 79↓ 1380.4%
15K· 9.32 mi
9:34/mi
1:31:49
↑ 67↓ 78
20K· 12.43 mi
9:41/mi
2:01:53
↑ 106↓ 860.1%
Half· 13.11 mi
9:36/mi
2:08:26
↑ 19↓ 370.5%
25K· 15.53 mi
10:05/mi
2:32:53
↑ 66↓ 880.2%
30K· 18.64 mi
10:34/mi
3:05:44
↑ 181↓ 1480.2%
20M
10:57/mi
3:20:37
↑ 64↓ 500.2%
21M
11:42/mi
3:32:19
↑ 106↓ 241.6%
35K· 21.75 mi
10:31/mi
3:40:11
↑ 17↓ 861.7%
23M
11:23/mi
3:54:26
↑ 23↓ 630.6%
24M
10:08/mi
4:04:34
↓ 821.3%
40K· 24.85 mi
10:55/mi
4:13:54
↓ 200.3%
25.2M
12:22/mi
4:18:10
↑ 13↓ 160.2%
Finish· 26.22 mi
9:30/mi
4:27:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:26
Pace9:48 /mi
2nd Half
Distance13.11 mi
Time2:19:25
Pace10:38 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5232:0710:2032:07
10:20
-
10K
6.21 mi12:18:511:02:0610:0029:59
9:39
-0:41
15K
9.32 mi12:48:341:31:499:5129:43
9:34
-0:05
20K
12.43 mi13:18:382:01:539:4830:04
9:41
+0:07
Half
13.11 mi13:25:112:08:269:486:33
9:36
-0:05
25K
15.53 mi13:49:382:32:539:5124:27
10:05
+0:29
30K
18.64 mi14:22:293:05:449:5832:51
10:34
+0:29
20M
20.00 mi14:37:223:20:3710:0214:53
10:57
+0:23
21M
21.00 mi14:49:043:32:1910:0711:42
11:42
+0:45
35K
21.75 mi14:56:563:40:1110:077:52
10:31
-1:11
23M
23.00 mi15:11:113:54:2610:1214:15
11:23
+0:52
24M
24.00 mi15:21:194:04:3410:1110:08
10:08
-1:15
40K
24.85 mi15:30:394:13:5410:139:20
10:55
+0:47
25.2M
25.20 mi15:34:554:18:1010:154:16
12:22
+1:27
Finish
26.22 mi15:44:364:27:5110:139:41
9:30
-2:52

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

9:30 /mi

Average Pace

10:13 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:00

40% of race

Time at Steady Pace

1:47:25

40% of race

Time at Slower Pace

54:26

20% of race

Average Pace: 10:13 /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 mi11:48:5232:0710:2032:07
10:20
#24316
10K
6.21 mi12:18:511:02:0610:0029:59
9:39
#23610
15K
9.32 mi12:48:341:31:499:5129:43
9:34
#23258
20K
12.43 mi13:18:382:01:539:4830:04
9:41
#22967
Half
13.11 mi13:25:112:08:269:486:33
9:36
#22926
25K
15.53 mi13:49:382:32:539:5124:27
10:05
#22823
30K
18.64 mi14:22:293:05:449:5832:51
10:34
#22724
20M
20.00 mi14:37:223:20:3710:0214:53
10:57
#22710
21M
21.00 mi14:49:043:32:1910:0711:42
11:42
#22692
35K
21.75 mi14:56:563:40:1110:077:52
10:31
#22679
23M
23.00 mi15:11:113:54:2610:1214:15
11:23
#22690
24M
24.00 mi15:21:194:04:3410:1110:08
10:08
#22619
40K
24.85 mi15:30:394:13:5410:139:20
10:55
#22611
25.2M
25.20 mi15:34:554:18:1010:154:16
12:22
#22618
Finish
26.22 mi15:44:364:27:5110:139:41
9:30
#22544
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24316100491004922441(Top 84%)9035(Top 79%)9035(Top 185%)
10K6.21 mi3.10 mi23610+7069681+3689681+36822933(Top 86%)9302(Top 81%)9302(Top 190%)
15K9.32 mi3.11 mi23258+3529491+1909491+19022441(Top 84%)9035(Top 79%)9035(Top 185%)
20K12.43 mi3.11 mi22967+2919328+1639328+16322090(Top 83%)8856(Top 78%)8856(Top 181%)
Half13.11 mi0.68 mi22926+419310+189310+1822415(Top 84%)9023(Top 79%)9023(Top 185%)
25K15.53 mi2.42 mi22823+1039267+439267+4322405(Top 84%)9061(Top 79%)9061(Top 186%)
30K18.64 mi3.11 mi22724+999242+259242+2522361(Top 84%)9108(Top 80%)9108(Top 186%)
20M20.00 mi1.36 mi22710+149249-79249-722626(Top 85%)9315(Top 82%)9315(Top 191%)
21M21.00 mi1.00 mi22692+189245+49245+422244(Top 84%)9137(Top 80%)9137(Top 187%)
35K21.75 mi0.75 mi22679+139250-59250-522432(Top 84%)9286(Top 81%)9286(Top 190%)
23M23.00 mi1.25 mi22690-119258-89258-823039(Top 87%)9611(Top 84%)9611(Top 197%)
24M24.00 mi1.00 mi22619+719230+289230+2821167(Top 80%)8653(Top 76%)8653(Top 177%)
40K24.85 mi0.85 mi22611+89234-49234-422189(Top 83%)9233(Top 81%)9233(Top 189%)
25.2M25.20 mi0.35 mi22618-79242-89242-823104(Top 87%)9720(Top 85%)9720(Top 199%)
Finish26.22 mi1.02 mi22544+749214+289214+2820169(Top 76%)8105(Top 71%)8105(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22441

Females

9035

F18-39

9035

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22933

Females

9302

F18-39

9302

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22441

Females

9035

F18-39

9035

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22090

Females

8856

F18-39

8856

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22415

Females

9023

F18-39

9023

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22405

Females

9061

F18-39

9061

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22361

Females

9108

F18-39

9108

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22626

Females

9315

F18-39

9315

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22244

Females

9137

F18-39

9137

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22432

Females

9286

F18-39

9286

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23039

Females

9611

F18-39

9611

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21167

Females

8653

F18-39

8653

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22189

Females

9233

F18-39

9233

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23104

Females

9720

F18-39

9720

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20169

Females

8105

F18-39

8105

Passing Analysis

Category:
Athletes Passed
2180
Passed By
408
Net Change
+1772
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24316
5K → 10K73327+706#24316#23610
10K → 15K36715+352#23610#23258
15K → 20K30817+291#23258#22967
20K → Half465+41#22967#22926
Half → 25K14643+103#22926#22823
25K → 30K16768+99#22823#22724
30K → 20M6854+14#22724#22710
20M → 21M5941+18#22710#22692
21M → 35K3724+13#22692#22679
35K → 23M4657-11#22679#22690
23M → 24M765+71#22690#22619
24M → 40K3022+8#22619#22611
40K → 25.2M1623-7#22611#22618
25.2M → Finish817+74#22618#22544
TOTALS2180408+1772
📊

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