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BOSTON MARATHON 2023

Lydie Tacconi

Bib: 20668•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
8:34/mi
26:38
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
52:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:29/mi
1:19:15
↑ 67↓ 78
20K· 12.43 mi
9:24/mi
1:48:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:54:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:34/mi
2:15:04
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:42:41
↑ 181↓ 1480.2%
20M
9:05/mi
2:55:01
↑ 64↓ 500.2%
21M
10:26/mi
3:05:27
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:12:00
↑ 17↓ 861.7%
23M
9:13/mi
3:23:32
↑ 23↓ 630.6%
24M
9:42/mi
3:33:14
↓ 821.3%
40K· 24.85 mi
10:07/mi
3:41:53
↓ 200.3%
25.2M
14:21/mi
3:46:50
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
3:56:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:17
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:02:02
Pace9:19 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5926:388:3426:38
8:34
-
10K
6.21 mi11:45:1452:538:3126:15
8:27
-0:07
15K
9.32 mi12:11:361:19:158:3026:22
8:29
+0:02
20K
12.43 mi12:40:481:48:278:4429:12
9:24
+0:55
Half
13.11 mi12:46:381:54:178:435:50
8:33
-0:51
25K
15.53 mi13:07:252:15:048:4220:47
8:34
+0:01
30K
18.64 mi13:35:022:42:418:4427:37
8:53
+0:19
20M
20.00 mi13:47:222:55:018:4512:20
9:05
+0:12
21M
21.00 mi13:57:483:05:278:5010:26
10:26
+1:21
35K
21.75 mi14:04:213:12:008:506:33
8:45
-1:41
23M
23.00 mi14:15:533:23:328:5111:32
9:13
+0:28
24M
24.00 mi14:25:353:33:148:539:42
9:42
+0:29
40K
24.85 mi14:34:143:41:538:568:39
10:07
+0:25
25.2M
25.20 mi14:39:113:46:509:004:57
14:21
+4:14
Finish
26.22 mi14:48:403:56:199:019:29
9:18
-5:03

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

9:01 /mi

Slowest Pace

14:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:32:17

90% of race

Time at Slower Pace

24:02

10% of race

Average Pace: 9:01 /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 mi11:18:5926:388:3426:38
8:34
#18064
10K
6.21 mi11:45:1452:538:3126:15
8:27
#17971
15K
9.32 mi12:11:361:19:158:3026:22
8:29
#17875
20K
12.43 mi12:40:481:48:278:4429:12
9:24
#18940
Half
13.11 mi12:46:381:54:178:435:50
8:33
#18899
25K
15.53 mi13:07:252:15:048:4220:47
8:34
#18541
30K
18.64 mi13:35:022:42:418:4427:37
8:53
#18146
20M
20.00 mi13:47:222:55:018:4512:20
9:05
#18044
21M
21.00 mi13:57:483:05:278:5010:26
10:26
#18163
35K
21.75 mi14:04:213:12:008:506:33
8:45
#18103
23M
23.00 mi14:15:533:23:328:5111:32
9:13
#18048
24M
24.00 mi14:25:353:33:148:539:42
9:42
#18172
40K
24.85 mi14:34:143:41:538:568:39
10:07
#18296
25.2M
25.20 mi14:39:113:46:509:004:57
14:21
#18580
Finish
26.22 mi14:48:403:56:199:019:29
9:18
#18625
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi180646599659917730(Top 67%)6356(Top 56%)6356(Top 350%)
10K6.21 mi3.10 mi17971+936519+806519+8017935(Top 67%)6443(Top 56%)6443(Top 355%)
15K9.32 mi3.11 mi17875+966451+686451+6817730(Top 67%)6356(Top 56%)6356(Top 350%)
20K12.43 mi3.11 mi18940-10657086-6357086-63521244(Top 80%)8368(Top 73%)8368(Top 461%)
Half13.11 mi0.68 mi18899+417062+247062+2418077(Top 68%)6541(Top 57%)6541(Top 360%)
25K15.53 mi2.42 mi18541+3586854+2086854+20816660(Top 63%)5816(Top 51%)5816(Top 320%)
30K18.64 mi3.11 mi18146+3956658+1966658+19616610(Top 62%)5847(Top 51%)5847(Top 322%)
20M20.00 mi1.36 mi18044+1026614+446614+4416964(Top 64%)6144(Top 54%)6144(Top 338%)
21M21.00 mi1.00 mi18163-1196697-836697-8319382(Top 73%)7566(Top 66%)7566(Top 416%)
35K21.75 mi0.75 mi18103+606659+386659+3816776(Top 63%)6164(Top 54%)6164(Top 339%)
23M23.00 mi1.25 mi18048+556638+216638+2117141(Top 64%)6370(Top 56%)6370(Top 351%)
24M24.00 mi1.00 mi18172-1246728-906728-9019898(Top 75%)7910(Top 69%)7910(Top 435%)
40K24.85 mi0.85 mi18296-1246813-856813-8520286(Top 76%)8207(Top 72%)8207(Top 452%)
25.2M25.20 mi0.35 mi18580-2846972-1596972-15925283(Top 95%)10814(Top 95%)10814(Top 595%)
Finish26.22 mi1.02 mi18625-457007-357007-3519408(Top 73%)7677(Top 67%)7677(Top 423%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17730

Females

6356

F45-49

6356

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17935

Females

6443

F45-49

6443

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17730

Females

6356

F45-49

6356

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21244

Females

8368

F45-49

8368

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18077

Females

6541

F45-49

6541

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16660

Females

5816

F45-49

5816

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16610

Females

5847

F45-49

5847

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16964

Females

6144

F45-49

6144

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19382

Females

7566

F45-49

7566

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16776

Females

6164

F45-49

6164

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17141

Females

6370

F45-49

6370

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19898

Females

7910

F45-49

7910

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20286

Females

8207

F45-49

8207

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25283

Females

10814

F45-49

10814

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19408

Females

7677

F45-49

7677

Passing Analysis

Category:
Athletes Passed
1924
Passed By
2485
Net Change
-561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18064
5K → 10K363270+93#18064#17971
10K → 15K237141+96#17971#17875
15K → 20K261091-1065#17875#18940
20K → Half5817+41#18940#18899
Half → 25K3602+358#18899#18541
25K → 30K42126+395#18541#18146
30K → 20M13937+102#18146#18044
20M → 21M62181-119#18044#18163
21M → 35K8020+60#18163#18103
35K → 23M9742+55#18103#18048
23M → 24M24148-124#18048#18172
24M → 40K21145-124#18172#18296
40K → 25.2M1285-284#18296#18580
25.2M → Finish3580-45#18580#18625
TOTALS19242485-561
📊

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