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BOSTON MARATHON 2023

Amy Ludovici

Bib: 31506•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 50%
Division (F18-39)
#0 / 4884
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
8:37/mi
26:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
53:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:20:18
↑ 67↓ 78
20K· 12.43 mi
8:35/mi
1:46:57
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:52:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:14:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:43/mi
2:41:12
↑ 181↓ 1480.2%
20M
8:36/mi
2:52:53
↑ 64↓ 500.2%
21M
8:33/mi
3:01:26
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:07:59
↑ 17↓ 861.7%
23M
8:47/mi
3:18:59
↑ 23↓ 630.6%
24M
8:35/mi
3:27:34
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:34:45
↓ 200.3%
25.2M
8:36/mi
3:37:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:45:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:52:40
Pace8:36 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:53:11
Pace8:38 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0726:458:3726:45
8:37
-
10K
6.21 mi12:12:5153:298:3626:44
8:36
-0:01
15K
9.32 mi12:39:401:20:188:3726:49
8:38
+0:02
20K
12.43 mi13:06:191:46:578:3626:39
8:35
-0:03
Half
13.11 mi13:12:021:52:408:365:43
8:23
-0:12
25K
15.53 mi13:33:282:14:068:3821:26
8:50
+0:27
30K
18.64 mi14:00:342:41:128:3927:06
8:43
-0:07
20M
20.00 mi14:12:152:52:538:3911:41
8:36
-0:07
21M
21.00 mi14:20:483:01:268:388:33
8:33
-0:03
35K
21.75 mi14:27:213:07:598:396:33
8:45
+0:12
23M
23.00 mi14:38:213:18:598:3911:00
8:47
+0:02
24M
24.00 mi14:46:563:27:348:398:35
8:35
-0:12
40K
24.85 mi14:54:073:34:458:387:11
8:24
-0:11
25.2M
25.20 mi14:57:053:37:438:382:58
8:36
+0:12
Finish
26.22 mi15:05:133:45:518:378:08
7:59
-0:37

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

7:59 /mi

Average Pace

8:37 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:25

86% of race

Time at Steady Pace

32:26

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:37 /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 mi11:46:0726:458:3726:45
8:37
#18292
10K
6.21 mi12:12:5153:298:3626:44
8:36
#18565
15K
9.32 mi12:39:401:20:188:3726:49
8:38
#18563
20K
12.43 mi13:06:191:46:578:3626:39
8:35
#18236
Half
13.11 mi13:12:021:52:408:365:43
8:23
#18175
25K
15.53 mi13:33:282:14:068:3821:26
8:50
#18159
30K
18.64 mi14:00:342:41:128:3927:06
8:43
#17645
20M
20.00 mi14:12:152:52:538:3911:41
8:36
#17381
21M
21.00 mi14:20:483:01:268:388:33
8:33
#17024
35K
21.75 mi14:27:213:07:598:396:33
8:45
#17018
23M
23.00 mi14:38:213:18:598:3911:00
8:47
#16887
24M
24.00 mi14:46:563:27:348:398:35
8:35
#16816
40K
24.85 mi14:54:073:34:458:387:11
8:24
#16645
25.2M
25.20 mi14:57:053:37:438:382:58
8:36
#16544
Finish
26.22 mi15:05:133:45:518:378:08
7:59
#16338
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi182926733673318628(Top 70%)6871(Top 60%)6871(Top 141%)
10K6.21 mi3.10 mi18565-2736862-1296862-12918868(Top 71%)7001(Top 61%)7001(Top 143%)
15K9.32 mi3.11 mi18563+26855+76855+718628(Top 70%)6871(Top 60%)6871(Top 141%)
20K12.43 mi3.11 mi18236+3276650+2056650+20517349(Top 65%)6136(Top 54%)6136(Top 126%)
Half13.11 mi0.68 mi18175+616617+336617+3317038(Top 64%)5917(Top 52%)5917(Top 121%)
25K15.53 mi2.42 mi18159+166627-106627-1018171(Top 68%)6643(Top 58%)6643(Top 136%)
30K18.64 mi3.11 mi17645+5146342+2856342+28515639(Top 59%)5297(Top 46%)5297(Top 108%)
20M20.00 mi1.36 mi17381+2646207+1356207+13514283(Top 54%)4595(Top 40%)4595(Top 94%)
21M21.00 mi1.00 mi17024+3576004+2036004+20310806(Top 41%)2785(Top 24%)2785(Top 57%)
35K21.75 mi0.75 mi17018+66010-66010-616731(Top 63%)6119(Top 54%)6119(Top 125%)
23M23.00 mi1.25 mi16887+1315957+535957+5314943(Top 56%)5143(Top 45%)5143(Top 105%)
24M24.00 mi1.00 mi16816+715933+245933+2415000(Top 56%)5238(Top 46%)5238(Top 107%)
40K24.85 mi0.85 mi16645+1715851+825851+8212765(Top 48%)4103(Top 36%)4103(Top 84%)
25.2M25.20 mi0.35 mi16544+1015798+535798+5310301(Top 39%)2881(Top 25%)2881(Top 59%)
Finish26.22 mi1.02 mi16338+2065683+1155683+11512047(Top 45%)3745(Top 33%)3745(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18628

Females

6871

F18-39

6871

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18868

Females

7001

F18-39

7001

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18628

Females

6871

F18-39

6871

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17349

Females

6136

F18-39

6136

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17038

Females

5917

F18-39

5917

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18171

Females

6643

F18-39

6643

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15639

Females

5297

F18-39

5297

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14283

Females

4595

F18-39

4595

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10806

Females

2785

F18-39

2785

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16731

Females

6119

F18-39

6119

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14943

Females

5143

F18-39

5143

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15000

Females

5238

F18-39

5238

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12765

Females

4103

F18-39

4103

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10301

Females

2881

F18-39

2881

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12047

Females

3745

F18-39

3745

Passing Analysis

Category:
Athletes Passed
2897
Passed By
943
Net Change
+1954
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18292
5K → 10K209482-273#18292#18565
10K → 15K175173+2#18565#18563
15K → 20K36134+327#18563#18236
20K → Half709+61#18236#18175
Half → 25K136120+16#18175#18159
25K → 30K52410+514#18159#17645
30K → 20M2673+264#17645#17381
20M → 21M3570+357#17381#17024
21M → 35K5650+6#17024#17018
35K → 23M15625+131#17018#16887
23M → 24M10130+71#16887#16816
24M → 40K1743+171#16816#16645
40K → 25.2M1021+101#16645#16544
25.2M → Finish2093+206#16544#16338
TOTALS2897943+1954
📊

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