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BOSTON MARATHON 2023

Ann Difiore

Bib: 23114•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 46%
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
9:15/mi
28:43
↑ 97↓ 3451.5%
10K· 6.21 mi
9:07/mi
57:04
↑ 79↓ 1380.4%
15K· 9.32 mi
9:12/mi
1:25:40
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:54:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
2:00:05
↑ 19↓ 370.5%
25K· 15.53 mi
9:12/mi
2:22:24
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:51:39
↑ 181↓ 1480.2%
20M
9:31/mi
3:04:34
↑ 64↓ 500.2%
21M
9:31/mi
3:14:05
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:20:46
↑ 17↓ 861.7%
23M
9:15/mi
3:32:21
↑ 23↓ 630.6%
24M
9:02/mi
3:41:23
↓ 821.3%
40K· 24.85 mi
9:20/mi
3:49:22
↓ 200.3%
25.2M
9:54/mi
3:52:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:54/mi
4:01:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:05
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:01:46
Pace9:17 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0928:439:1528:43
9:15
-
10K
6.21 mi11:53:3057:049:1128:21
9:07
-0:08
15K
9.32 mi12:22:061:25:409:1128:36
9:12
+0:05
20K
12.43 mi12:50:261:54:009:1028:20
9:07
-0:05
Half
13.11 mi12:56:312:00:059:106:05
8:55
-0:12
25K
15.53 mi13:18:502:22:249:1022:19
9:12
+0:17
30K
18.64 mi13:48:052:51:399:1229:15
9:25
+0:13
20M
20.00 mi14:01:003:04:349:1412:55
9:31
+0:06
21M
21.00 mi14:10:313:14:059:159:31
9:31
0:00
35K
21.75 mi14:17:123:20:469:146:41
8:56
-0:35
23M
23.00 mi14:28:473:32:219:1411:35
9:15
+0:19
24M
24.00 mi14:37:493:41:239:139:02
9:02
-0:13
40K
24.85 mi14:45:483:49:229:147:59
9:20
+0:18
25.2M
25.20 mi14:49:133:52:479:143:25
9:54
+0:34
Finish
26.22 mi14:58:174:01:519:149:04
8:54
-1:00

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

8:54 /mi

Average Pace

9:14 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:58:26

99% of race

Time at Steady Pace

3:25

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:13 /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 mi11:25:0928:439:1528:43
9:15
#21353
10K
6.21 mi11:53:3057:049:1128:21
9:07
#21343
15K
9.32 mi12:22:061:25:409:1128:36
9:12
#21330
20K
12.43 mi12:50:261:54:009:1028:20
9:07
#21086
Half
13.11 mi12:56:312:00:059:106:05
8:55
#21035
25K
15.53 mi13:18:502:22:249:1022:19
9:12
#20827
30K
18.64 mi13:48:052:51:399:1229:15
9:25
#20489
20M
20.00 mi14:01:003:04:349:1412:55
9:31
#20362
21M
21.00 mi14:10:313:14:059:159:31
9:31
#20130
35K
21.75 mi14:17:123:20:469:146:41
8:56
#20024
23M
23.00 mi14:28:473:32:219:1411:35
9:15
#19867
24M
24.00 mi14:37:493:41:239:139:02
9:02
#19763
40K
24.85 mi14:45:483:49:229:147:59
9:20
#19696
25.2M
25.20 mi14:49:133:52:479:143:25
9:54
#19659
Finish
26.22 mi14:58:174:01:519:149:04
8:54
#19586
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi213538554855421327(Top 80%)8411(Top 74%)8411(Top 1032%)
10K6.21 mi3.10 mi21343+108498+568498+5621379(Top 80%)8484(Top 74%)8484(Top 1041%)
15K9.32 mi3.11 mi21330+138460+388460+3821327(Top 80%)8411(Top 74%)8411(Top 1032%)
20K12.43 mi3.11 mi21086+2448320+1408320+14020229(Top 76%)7798(Top 68%)7798(Top 957%)
Half13.11 mi0.68 mi21035+518288+328288+3220085(Top 75%)7712(Top 68%)7712(Top 946%)
25K15.53 mi2.42 mi20827+2088162+1268162+12619873(Top 75%)7625(Top 67%)7625(Top 936%)
30K18.64 mi3.11 mi20489+3388002+1608002+16019115(Top 72%)7260(Top 64%)7260(Top 891%)
20M20.00 mi1.36 mi20362+1277947+557947+5518900(Top 71%)7248(Top 63%)7248(Top 889%)
21M21.00 mi1.00 mi20130+2327827+1207827+12015995(Top 60%)5637(Top 49%)5637(Top 692%)
35K21.75 mi0.75 mi20024+1067769+587769+5817672(Top 66%)6658(Top 58%)6658(Top 817%)
23M23.00 mi1.25 mi19867+1577689+807689+8017329(Top 65%)6472(Top 57%)6472(Top 794%)
24M24.00 mi1.00 mi19763+1047629+607629+6017414(Top 65%)6593(Top 58%)6593(Top 809%)
40K24.85 mi0.85 mi19696+677603+267603+2617719(Top 67%)6805(Top 60%)6805(Top 835%)
25.2M25.20 mi0.35 mi19659+377587+167587+1617099(Top 64%)6491(Top 57%)6491(Top 796%)
Finish26.22 mi1.02 mi19586+737554+337554+3317515(Top 66%)6666(Top 58%)6666(Top 818%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21327

Females

8411

F55-59

8411

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21379

Females

8484

F55-59

8484

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21327

Females

8411

F55-59

8411

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20229

Females

7798

F55-59

7798

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

20085

Females

7712

F55-59

7712

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19873

Females

7625

F55-59

7625

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19115

Females

7260

F55-59

7260

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18900

Females

7248

F55-59

7248

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15995

Females

5637

F55-59

5637

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17672

Females

6658

F55-59

6658

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17329

Females

6472

F55-59

6472

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17414

Females

6593

F55-59

6593

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17719

Females

6805

F55-59

6805

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17099

Females

6491

F55-59

6491

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17515

Females

6666

F55-59

6666

Passing Analysis

Category:
Athletes Passed
2364
Passed By
597
Net Change
+1767
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21353
5K → 10K276266+10#21353#21343
10K → 15K167154+13#21343#21330
15K → 20K28743+244#21330#21086
20K → Half598+51#21086#21035
Half → 25K22921+208#21035#20827
25K → 30K35517+338#20827#20489
30K → 20M14821+127#20489#20362
20M → 21M2353+232#20362#20130
21M → 35K1115+106#20130#20024
35K → 23M1658+157#20024#19867
23M → 24M11511+104#19867#19763
24M → 40K8720+67#19763#19696
40K → 25.2M447+37#19696#19659
25.2M → Finish8613+73#19659#19586
TOTALS2364597+1767
📊

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