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BOSTON MARATHON 2023

Anna Tran

Bib: 23257•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 48%
Division (F50-54)
#0 / 1207
Top 44%
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
27:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
54:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:20:38
↑ 67↓ 78
20K· 12.43 mi
8:34/mi
1:47:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:53:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:35/mi
2:13:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:56/mi
2:41:42
↑ 181↓ 1480.2%
20M
8:53/mi
2:53:46
↑ 64↓ 500.2%
21M
9:25/mi
3:03:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:09:44
↑ 17↓ 861.7%
23M
8:59/mi
3:20:59
↑ 23↓ 630.6%
24M
8:58/mi
3:29:57
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:38:02
↓ 200.3%
25.2M
10:35/mi
3:41:41
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
3:51:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:08
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:57:57
Pace9:00 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2327:298:5127:29
8:51
-
10K
6.21 mi11:49:0754:138:4426:44
8:36
-0:15
15K
9.32 mi12:15:321:20:388:3926:25
8:30
-0:06
20K
12.43 mi12:42:081:47:148:3826:36
8:34
+0:04
Half
13.11 mi12:48:021:53:088:385:54
8:39
+0:05
25K
15.53 mi13:08:512:13:578:3720:49
8:35
-0:04
30K
18.64 mi13:36:362:41:428:4027:45
8:56
+0:21
20M
20.00 mi13:48:402:53:468:4112:04
8:53
-0:03
21M
21.00 mi13:58:053:03:118:439:25
9:25
+0:32
35K
21.75 mi14:04:383:09:448:436:33
8:45
-0:40
23M
23.00 mi14:15:533:20:598:4411:15
8:59
+0:14
24M
24.00 mi14:24:513:29:578:458:58
8:58
-0:01
40K
24.85 mi14:32:563:38:028:468:05
9:27
+0:29
25.2M
25.20 mi14:36:353:41:418:483:39
10:35
+1:08
Finish
26.22 mi14:45:593:51:058:499:24
9:13
-1:22

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

8:30 /mi

Average Pace

8:49 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:34

44% of race

Time at Steady Pace

1:39:58

43% of race

Time at Slower Pace

30:33

13% of race

Average Pace: 8:49 /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 mi11:22:2327:298:5127:29
8:51
#19723
10K
6.21 mi11:49:0754:138:4426:44
8:36
#19283
15K
9.32 mi12:15:321:20:388:3926:25
8:30
#18755
20K
12.43 mi12:42:081:47:148:3826:36
8:34
#18381
Half
13.11 mi12:48:021:53:088:385:54
8:39
#18377
25K
15.53 mi13:08:512:13:578:3720:49
8:35
#18091
30K
18.64 mi13:36:362:41:428:4027:45
8:56
#17807
20M
20.00 mi13:48:402:53:468:4112:04
8:53
#17657
21M
21.00 mi13:58:053:03:118:439:25
9:25
#17513
35K
21.75 mi14:04:383:09:448:436:33
8:45
#17495
23M
23.00 mi14:15:533:20:598:4411:15
8:59
#17400
24M
24.00 mi14:24:513:29:578:458:58
8:58
#17386
40K
24.85 mi14:32:563:38:028:468:05
9:27
#17439
25.2M
25.20 mi14:36:353:41:418:483:39
10:35
#17497
Finish
26.22 mi14:45:593:51:058:499:24
9:13
#17580
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi197237647764717834(Top 67%)6403(Top 56%)6403(Top 530%)
10K6.21 mi3.10 mi19283+4407326+3217326+32118872(Top 71%)7005(Top 61%)7005(Top 580%)
15K9.32 mi3.11 mi18755+5286979+3476979+34717834(Top 67%)6403(Top 56%)6403(Top 530%)
20K12.43 mi3.11 mi18381+3746741+2386741+23817257(Top 65%)6080(Top 53%)6080(Top 504%)
Half13.11 mi0.68 mi18377+46729+126729+1218630(Top 70%)6844(Top 60%)6844(Top 567%)
25K15.53 mi2.42 mi18091+2866585+1446585+14416750(Top 63%)5870(Top 51%)5870(Top 486%)
30K18.64 mi3.11 mi17807+2846442+1436442+14316842(Top 63%)5977(Top 52%)5977(Top 495%)
20M20.00 mi1.36 mi17657+1506364+786364+7815934(Top 60%)5541(Top 49%)5541(Top 459%)
21M21.00 mi1.00 mi17513+1446303+616303+6115596(Top 59%)5410(Top 47%)5410(Top 448%)
35K21.75 mi0.75 mi17495+186303630316759(Top 63%)6147(Top 54%)6147(Top 509%)
23M23.00 mi1.25 mi17400+956260+436260+4316029(Top 60%)5768(Top 50%)5768(Top 478%)
24M24.00 mi1.00 mi17386+146261-16261-117092(Top 64%)6409(Top 56%)6409(Top 531%)
40K24.85 mi0.85 mi17439-536307-466307-4618184(Top 68%)7039(Top 62%)7039(Top 583%)
25.2M25.20 mi0.35 mi17497-586347-406347-4019368(Top 73%)7702(Top 67%)7702(Top 638%)
Finish26.22 mi1.02 mi17580-836406-596406-5919037(Top 72%)7453(Top 65%)7453(Top 617%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17834

Females

6403

F50-54

6403

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18872

Females

7005

F50-54

7005

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17834

Females

6403

F50-54

6403

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17257

Females

6080

F50-54

6080

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18630

Females

6844

F50-54

6844

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16750

Females

5870

F50-54

5870

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16842

Females

5977

F50-54

5977

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15934

Females

5541

F50-54

5541

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15596

Females

5410

F50-54

5410

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16759

Females

6147

F50-54

6147

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16029

Females

5768

F50-54

5768

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17092

Females

6409

F50-54

6409

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18184

Females

7039

F50-54

7039

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19368

Females

7702

F50-54

7702

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19037

Females

7453

F50-54

7453

Passing Analysis

Category:
Athletes Passed
2942
Passed By
799
Net Change
+2143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19723
5K → 10K611171+440#19723#19283
10K → 15K56032+528#19283#18755
15K → 20K39925+374#18755#18381
20K → Half3531+4#18381#18377
Half → 25K30620+286#18377#18091
25K → 30K34662+284#18091#17807
30K → 20M16919+150#17807#17657
20M → 21M17127+144#17657#17513
21M → 35K5840+18#17513#17495
35K → 23M12934+95#17495#17400
23M → 24M6753+14#17400#17386
24M → 40K4194-53#17386#17439
40K → 25.2M1674-58#17439#17497
25.2M → Finish34117-83#17497#17580
TOTALS2942799+2143
📊

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