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BOSTON MARATHON 2023

Jennifer Tullio

Bib: 22691•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:00/mi
27:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
55:24
↑ 79↓ 1380.4%
15K· 9.32 mi
9:02/mi
1:23:27
↑ 67↓ 78
20K· 12.43 mi
8:53/mi
1:51:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
1:57:05
↑ 19↓ 370.5%
25K· 15.53 mi
8:45/mi
2:18:19
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:45:52
↑ 181↓ 1480.2%
20M
9:02/mi
2:58:09
↑ 64↓ 500.2%
21M
9:31/mi
3:07:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
3:14:10
↑ 17↓ 861.7%
23M
9:06/mi
3:25:34
↑ 23↓ 630.6%
24M
8:45/mi
3:34:19
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:41:58
↓ 200.3%
25.2M
9:37/mi
3:45:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:54:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:57:05
Pace8:56 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:57:09
Pace8:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3227:579:0027:57
9:00
-
10K
6.21 mi12:10:5955:248:5527:27
8:50
-0:10
15K
9.32 mi12:39:021:23:278:5728:03
9:02
+0:12
20K
12.43 mi13:06:381:51:038:5627:36
8:53
-0:09
Half
13.11 mi13:12:401:57:058:566:02
8:51
-0:02
25K
15.53 mi13:33:542:18:198:5421:14
8:45
-0:06
30K
18.64 mi14:01:272:45:528:5427:33
8:52
+0:07
20M
20.00 mi14:13:442:58:098:5412:17
9:02
+0:10
21M
21.00 mi14:23:153:07:408:569:31
9:31
+0:29
35K
21.75 mi14:29:453:14:108:566:30
8:41
-0:50
23M
23.00 mi14:41:093:25:348:5611:24
9:06
+0:25
24M
24.00 mi14:49:543:34:198:568:45
8:45
-0:21
40K
24.85 mi14:57:333:41:588:567:39
8:57
+0:12
25.2M
25.20 mi15:00:523:45:178:563:19
9:37
+0:40
Finish
26.22 mi15:09:493:54:148:568:57
8:47
-0:50

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

8:41 /mi

Average Pace

8:56 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:50:55

99% of race

Time at Steady Pace

3:19

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /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 mi11:43:3227:579:0027:57
9:00
#20427
10K
6.21 mi12:10:5955:248:5527:27
8:50
#20287
15K
9.32 mi12:39:021:23:278:5728:03
9:02
#20359
20K
12.43 mi13:06:381:51:038:5627:36
8:53
#20043
Half
13.11 mi13:12:401:57:058:566:02
8:51
#20037
25K
15.53 mi13:33:542:18:198:5421:14
8:45
#19643
30K
18.64 mi14:01:272:45:528:5427:33
8:52
#19093
20M
20.00 mi14:13:442:58:098:5412:17
9:02
#18914
21M
21.00 mi14:23:153:07:408:569:31
9:31
#18727
35K
21.75 mi14:29:453:14:108:566:30
8:41
#18633
23M
23.00 mi14:41:093:25:348:5611:24
9:06
#18504
24M
24.00 mi14:49:543:34:198:568:45
8:45
#18403
40K
24.85 mi14:57:333:41:588:567:39
8:57
#18310
25.2M
25.20 mi15:00:523:45:178:563:19
9:37
#18269
Finish
26.22 mi15:09:493:54:148:568:57
8:47
#18215
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi204278067806720623(Top 77%)8023(Top 70%)8023(Top 665%)
10K6.21 mi3.10 mi20287+1407909+1587909+15820112(Top 76%)7759(Top 68%)7759(Top 643%)
15K9.32 mi3.11 mi20359-727935-267935-2620623(Top 77%)8023(Top 70%)8023(Top 665%)
20K12.43 mi3.11 mi20043+3167745+1907745+19019139(Top 72%)7174(Top 63%)7174(Top 594%)
Half13.11 mi0.68 mi20037+67744+17744+119733(Top 74%)7504(Top 66%)7504(Top 622%)
25K15.53 mi2.42 mi19643+3947509+2357509+23517722(Top 67%)6419(Top 56%)6419(Top 532%)
30K18.64 mi3.11 mi19093+5507189+3207189+32016485(Top 62%)5783(Top 51%)5783(Top 479%)
20M20.00 mi1.36 mi18914+1797108+817108+8116773(Top 63%)6024(Top 53%)6024(Top 499%)
21M21.00 mi1.00 mi18727+1877004+1047004+10416070(Top 60%)5677(Top 50%)5677(Top 470%)
35K21.75 mi0.75 mi18633+946951+536951+5316391(Top 62%)5940(Top 52%)5940(Top 492%)
23M23.00 mi1.25 mi18504+1296899+526899+5216590(Top 62%)6079(Top 53%)6079(Top 504%)
24M24.00 mi1.00 mi18403+1016856+436856+4315973(Top 60%)5801(Top 51%)5801(Top 481%)
40K24.85 mi0.85 mi18310+936819+376819+3715914(Top 60%)5812(Top 51%)5812(Top 482%)
25.2M25.20 mi0.35 mi18269+416800+196800+1915827(Top 59%)5783(Top 51%)5783(Top 479%)
Finish26.22 mi1.02 mi18215+546776+246776+2416978(Top 64%)6365(Top 56%)6365(Top 527%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20623

Females

8023

F50-54

8023

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20112

Females

7759

F50-54

7759

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20623

Females

8023

F50-54

8023

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19139

Females

7174

F50-54

7174

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19733

Females

7504

F50-54

7504

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17722

Females

6419

F50-54

6419

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16485

Females

5783

F50-54

5783

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16773

Females

6024

F50-54

6024

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16070

Females

5677

F50-54

5677

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16391

Females

5940

F50-54

5940

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16590

Females

6079

F50-54

6079

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15973

Females

5801

F50-54

5801

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15914

Females

5812

F50-54

5812

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15827

Females

5783

F50-54

5783

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16978

Females

6365

F50-54

6365

Passing Analysis

Category:
Athletes Passed
2867
Passed By
655
Net Change
+2212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20427
5K → 10K382242+140#20427#20287
10K → 15K154226-72#20287#20359
15K → 20K36044+316#20359#20043
20K → Half3529+6#20043#20037
Half → 25K4017+394#20037#19643
25K → 30K56111+550#19643#19093
30K → 20M1889+179#19093#18914
20M → 21M20114+187#18914#18727
21M → 35K995+94#18727#18633
35K → 23M14617+129#18633#18504
23M → 24M11716+101#18504#18403
24M → 40K985+93#18403#18310
40K → 25.2M509+41#18310#18269
25.2M → Finish7521+54#18269#18215
TOTALS2867655+2212
📊

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