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BOSTON MARATHON 2023

Tricia Chan

Bib: 22452•F

VA

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
8:51/mi
27:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
55:26
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:23:53
↑ 67↓ 78
20K· 12.43 mi
9:12/mi
1:52:28
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:58:32
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:20:59
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:50:53
↑ 181↓ 1480.2%
20M
9:28/mi
3:03:45
↑ 64↓ 500.2%
21M
9:47/mi
3:13:32
↑ 106↓ 241.6%
35K· 21.75 mi
9:19/mi
3:20:30
↑ 17↓ 861.7%
23M
9:18/mi
3:32:09
↑ 23↓ 630.6%
24M
9:06/mi
3:41:15
↓ 821.3%
40K· 24.85 mi
8:56/mi
3:48:53
↓ 200.3%
25.2M
9:40/mi
3:52:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
4:00:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:32
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:02:18
Pace9:20 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3027:318:5127:31
8:51
-
10K
6.21 mi11:53:2555:268:5527:55
8:59
+0:08
15K
9.32 mi12:21:521:23:539:0028:27
9:09
+0:10
20K
12.43 mi12:50:271:52:289:0328:35
9:12
+0:03
Half
13.11 mi12:56:311:58:329:026:04
8:54
-0:18
25K
15.53 mi13:18:582:20:599:0522:27
9:16
+0:22
30K
18.64 mi13:48:522:50:539:1029:54
9:37
+0:21
20M
20.00 mi14:01:443:03:459:1112:52
9:28
-0:09
21M
21.00 mi14:11:313:13:329:139:47
9:47
+0:19
35K
21.75 mi14:18:293:20:309:136:58
9:19
-0:28
23M
23.00 mi14:30:083:32:099:1311:39
9:18
-0:01
24M
24.00 mi14:39:143:41:159:139:06
9:06
-0:12
40K
24.85 mi14:46:523:48:539:137:38
8:56
-0:10
25.2M
25.20 mi14:50:123:52:139:133:20
9:40
+0:44
Finish
26.22 mi14:58:494:00:509:128:37
8:27
-1:13

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

8:27 /mi

Average Pace

9:12 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:20

69% of race

Time at Steady Pace

1:14:30

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:11 /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 mi11:25:3027:318:5127:31
8:51
#19788
10K
6.21 mi11:53:2555:268:5527:55
8:59
#20314
15K
9.32 mi12:21:521:23:539:0028:27
9:09
#20573
20K
12.43 mi12:50:271:52:289:0328:35
9:12
#20582
Half
13.11 mi12:56:311:58:329:026:04
8:54
#20544
25K
15.53 mi13:18:582:20:599:0522:27
9:16
#20457
30K
18.64 mi13:48:522:50:539:1029:54
9:37
#20328
20M
20.00 mi14:01:443:03:459:1112:52
9:28
#20208
21M
21.00 mi14:11:313:13:329:139:47
9:47
#20019
35K
21.75 mi14:18:293:20:309:136:58
9:19
#19975
23M
23.00 mi14:30:083:32:099:1311:39
9:18
#19829
24M
24.00 mi14:39:143:41:159:139:06
9:06
#19736
40K
24.85 mi14:46:523:48:539:137:38
8:56
#19612
25.2M
25.20 mi14:50:123:52:139:133:20
9:40
#19563
Finish
26.22 mi14:58:494:00:509:128:37
8:27
#19450
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi197887685768521156(Top 79%)8314(Top 73%)8314(Top 689%)
10K6.21 mi3.10 mi20314-5267927-2427927-24220823(Top 78%)8167(Top 71%)8167(Top 677%)
15K9.32 mi3.11 mi20573-2598060-1338060-13321156(Top 79%)8314(Top 73%)8314(Top 689%)
20K12.43 mi3.11 mi20582-98043+178043+1720583(Top 77%)7998(Top 70%)7998(Top 663%)
Half13.11 mi0.68 mi20544+388015+288015+2819974(Top 75%)7647(Top 67%)7647(Top 634%)
25K15.53 mi2.42 mi20457+877957+587957+5820059(Top 75%)7727(Top 68%)7727(Top 640%)
30K18.64 mi3.11 mi20328+1297912+457912+4519885(Top 75%)7701(Top 67%)7701(Top 638%)
20M20.00 mi1.36 mi20208+1207864+487864+4818764(Top 70%)7168(Top 63%)7168(Top 594%)
21M21.00 mi1.00 mi20019+1897762+1027762+10217229(Top 65%)6329(Top 55%)6329(Top 524%)
35K21.75 mi0.75 mi19975+447736+267736+2619230(Top 72%)7513(Top 66%)7513(Top 622%)
23M23.00 mi1.25 mi19829+1467664+727664+7217564(Top 66%)6618(Top 58%)6618(Top 548%)
24M24.00 mi1.00 mi19736+937613+517613+5117696(Top 66%)6747(Top 59%)6747(Top 559%)
40K24.85 mi0.85 mi19612+1247553+607553+6015812(Top 59%)5756(Top 50%)5756(Top 477%)
25.2M25.20 mi0.35 mi19563+497528+257528+2516056(Top 60%)5920(Top 52%)5920(Top 490%)
Finish26.22 mi1.02 mi19450+1137471+577471+5715180(Top 57%)5369(Top 47%)5369(Top 445%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21156

Females

8314

F50-54

8314

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20823

Females

8167

F50-54

8167

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21156

Females

8314

F50-54

8314

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20583

Females

7998

F50-54

7998

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19974

Females

7647

F50-54

7647

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20059

Females

7727

F50-54

7727

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19885

Females

7701

F50-54

7701

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18764

Females

7168

F50-54

7168

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17229

Females

6329

F50-54

6329

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19230

Females

7513

F50-54

7513

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17564

Females

6618

F50-54

6618

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17696

Females

6747

F50-54

6747

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15812

Females

5756

F50-54

5756

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16056

Females

5920

F50-54

5920

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15180

Females

5369

F50-54

5369

Passing Analysis

Category:
Athletes Passed
1757
Passed By
1419
Net Change
+338
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19788
5K → 10K113639-526#19788#20314
10K → 15K102361-259#20314#20573
15K → 20K160169-9#20573#20582
20K → Half4810+38#20582#20544
Half → 25K15063+87#20544#20457
25K → 30K21889+129#20457#20328
30K → 20M14121+120#20328#20208
20M → 21M19910+189#20208#20019
21M → 35K5814+44#20019#19975
35K → 23M15913+146#19975#19829
23M → 24M1029+93#19829#19736
24M → 40K1317+124#19736#19612
40K → 25.2M567+49#19612#19563
25.2M → Finish1207+113#19563#19450
TOTALS17571419+338
📊

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