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BOSTON MARATHON 2023

Tricia Dillon

Bib: 29978•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
30:36
Rank: #23052
Start → 5K
9:51/mi
30:36 split
10K· 6.21 mi
1:00:35
Rank: #23037 (+15)
5K → 10K
9:39/mi
29:59 split
15K· 9.32 mi
1:29:59
Rank: #22736 (+301)
10K → 15K
9:28/mi
29:24 split
20K· 12.43 mi
1:59:52
Rank: #22540 (+196)
15K → 20K
9:37/mi
29:53 split
Half· 13.11 mi
2:06:16
Rank: #22498 (+42)
20K → Half
9:23/mi
6:24 split
25K· 15.53 mi
2:29:53
Rank: #22343 (+155)
Half → 25K
9:44/mi
23:37 split
30K· 18.64 mi
3:01:00
Rank: #22095 (+248)
25K → 30K
10:01/mi
31:07 split
20M
3:14:30
Rank: #21947 (+148)
30K → 20M
9:56/mi
13:30 split
21M
3:26:13
Rank: #21981 (-34)
20M → 21M
11:43/mi
11:43 split
35K· 21.75 mi
3:34:18
Rank: #22037 (-56)
21M → 35K
10:48/mi
8:05 split
23M
3:47:35
Rank: #22002 (+35)
35K → 23M
10:37/mi
13:17 split
24M
3:57:58
Rank: #21980 (+22)
23M → 24M
10:23/mi
10:23 split
40K· 24.85 mi
4:07:57
Rank: #22040 (-60)
24M → 40K
11:41/mi
9:59 split
25.2M
4:12:05
Rank: #22058 (-18)
40K → 25.2M
11:59/mi
4:08 split
Finish· 26.22 mi
4:22:40
Rank: #22077 (-19)
25.2M → Finish
10:23/mi
10:35 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:16
Pace9:38 /mi
2nd Half
Distance13.11 mi
Time2:16:24
Pace10:24 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1430:369:5130:36
9:51
-
10K
6.21 mi12:23:131:00:359:4529:59
9:39
-0:12
15K
9.32 mi12:52:371:29:599:3929:24
9:28
-0:11
20K
12.43 mi13:22:301:59:529:3929:53
9:37
+0:09
Half
13.11 mi13:28:542:06:169:386:24
9:23
-0:14
25K
15.53 mi13:52:312:29:539:3923:37
9:44
+0:21
30K
18.64 mi14:23:383:01:009:4331:07
10:01
+0:17
20M
20.00 mi14:37:083:14:309:4313:30
9:56
-0:05
21M
21.00 mi14:48:513:26:139:4911:43
11:43
+1:47
35K
21.75 mi14:56:563:34:189:518:05
10:48
-0:55
23M
23.00 mi15:10:133:47:359:5413:17
10:37
-0:11
24M
24.00 mi15:20:363:57:589:5510:23
10:23
-0:14
40K
24.85 mi15:30:354:07:579:599:59
11:41
+1:18
25.2M
25.20 mi15:34:434:12:0510:004:08
11:59
+0:18
Finish
26.22 mi15:45:184:22:4010:0210:35
10:23
-1:36

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

9:23 /mi

Average Pace

10:02 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:48

14% of race

Time at Steady Pace

2:59:40

68% of race

Time at Slower Pace

47:12

18% of race

Average Pace: 10:01 /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 mi11:53:1430:369:5130:36
9:51
#23052
10K
6.21 mi12:23:131:00:359:4529:59
9:39
#23037
15K
9.32 mi12:52:371:29:599:3929:24
9:28
#22736
20K
12.43 mi13:22:301:59:529:3929:53
9:37
#22540
Half
13.11 mi13:28:542:06:169:386:24
9:23
#22498
25K
15.53 mi13:52:312:29:539:3923:37
9:44
#22343
30K
18.64 mi14:23:383:01:009:4331:07
10:01
#22095
20M
20.00 mi14:37:083:14:309:4313:30
9:56
#21947
21M
21.00 mi14:48:513:26:139:4911:43
11:43
#21981
35K
21.75 mi14:56:563:34:189:518:05
10:48
#22037
23M
23.00 mi15:10:133:47:359:5413:17
10:37
#22002
24M
24.00 mi15:20:363:57:589:5510:23
10:23
#21980
40K
24.85 mi15:30:354:07:579:599:59
11:41
#22040
25.2M
25.20 mi15:34:434:12:0510:004:08
11:59
#22058
Finish
26.22 mi15:45:184:22:4010:0210:35
10:23
#22077
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi230529420942022150(Top 83%)8876(Top 78%)8876(Top 735%)
10K6.21 mi3.10 mi23037+159384+369384+3622932(Top 86%)9301(Top 81%)9301(Top 771%)
15K9.32 mi3.11 mi22736+3019202+1829202+18222150(Top 83%)8876(Top 78%)8876(Top 735%)
20K12.43 mi3.11 mi22540+1969111+919111+9121914(Top 82%)8749(Top 77%)8749(Top 725%)
Half13.11 mi0.68 mi22498+429092+199092+1921791(Top 82%)8687(Top 76%)8687(Top 720%)
25K15.53 mi2.42 mi22343+1559024+689024+6821592(Top 81%)8613(Top 75%)8613(Top 714%)
30K18.64 mi3.11 mi22095+2488890+1348890+13421077(Top 79%)8391(Top 73%)8391(Top 695%)
20M20.00 mi1.36 mi21947+1488816+748816+7420313(Top 76%)8037(Top 70%)8037(Top 666%)
21M21.00 mi1.00 mi21981-348844-288844-2822266(Top 84%)9146(Top 80%)9146(Top 758%)
35K21.75 mi0.75 mi22037-568882-388882-3822950(Top 86%)9566(Top 84%)9566(Top 793%)
23M23.00 mi1.25 mi22002+358869+138869+1321586(Top 81%)8842(Top 77%)8842(Top 733%)
24M24.00 mi1.00 mi21980+228867+28867+221762(Top 82%)8983(Top 79%)8983(Top 744%)
40K24.85 mi0.85 mi22040-608912-458912-4523476(Top 88%)9924(Top 87%)9924(Top 822%)
25.2M25.20 mi0.35 mi22058-188924-128924-1222492(Top 84%)9392(Top 82%)9392(Top 778%)
Finish26.22 mi1.02 mi22077-198948-248948-2422775(Top 86%)9539(Top 84%)9539(Top 790%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22150

Females

8876

F50-54

8876

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22932

Females

9301

F50-54

9301

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22150

Females

8876

F50-54

8876

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21914

Females

8749

F50-54

8749

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21791

Females

8687

F50-54

8687

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21592

Females

8613

F50-54

8613

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

21077

Females

8391

F50-54

8391

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20313

Females

8037

F50-54

8037

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22266

Females

9146

F50-54

9146

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22950

Females

9566

F50-54

9566

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21586

Females

8842

F50-54

8842

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21762

Females

8983

F50-54

8983

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23476

Females

9924

F50-54

9924

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22492

Females

9392

F50-54

9392

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22775

Females

9539

F50-54

9539

Passing Analysis

Category:
Athletes Passed
1727
Passed By
752
Net Change
+975
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23052
5K → 10K223208+15#23052#23037
10K → 15K34443+301#23037#22736
15K → 20K25054+196#22736#22540
20K → Half519+42#22540#22498
Half → 25K18429+155#22498#22343
25K → 30K27224+248#22343#22095
30K → 20M1546+148#22095#21947
20M → 21M5286-34#21947#21981
21M → 35K1571-56#21981#22037
35K → 23M7136+35#22037#22002
23M → 24M5028+22#22002#21980
24M → 40K2282-60#21980#22040
40K → 25.2M1028-18#22040#22058
25.2M → Finish2948-19#22058#22077
TOTALS1727752+975
📊

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