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BOSTON MARATHON 2023

Lucia Chen-Luftig

Bib: 20873•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Masters (Masters Women)
#0 / 6539
Top 18%
Division (F50-54)
#0 / 1207
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:04
Rank: #14497
Start → 5K
25:04 | 8:04/mi
10K· 6.21 mi
49:43
Rank: #14408 (+89)
5K → 10K
24:39 | 7:56/mi
15K· 9.32 mi
1:14:29
Rank: #14306 (+102)
10K → 15K
24:46 | 7:58/mi
20K· 12.43 mi
1:39:52
Rank: #14372 (-66)
15K → 20K
25:23 | 8:10/mi
Half· 13.11 mi
1:45:19
Rank: #14359 (+13)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:04:58
Rank: #14244 (+115)
Half → 25K
19:39 | 8:06/mi
30K· 18.64 mi
2:30:36
Rank: #13940 (+304)
25K → 30K
25:38 | 8:15/mi
20M
2:41:50
Rank: #13774 (+166)
30K → 20M
11:14 | 8:16/mi
21M
2:50:30
Rank: #13603 (+171)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
2:56:33
Rank: #13553 (+50)
21M → 35K
6:03 | 8:05/mi
23M
3:06:39
Rank: #13321 (+232)
35K → 23M
10:06 | 8:04/mi
24M
3:14:27
Rank: #13140 (+181)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
3:21:21
Rank: #13023 (+117)
24M → 40K
6:54 | 8:04/mi
25.2M
3:24:23
Rank: #12987 (+36)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:32:19
Rank: #12884 (+103)
25.2M → Finish
7:56 | 7:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:19
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:47:00
Pace8:10 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5125:048:0425:04
8:04
-
10K
6.21 mi11:44:3049:438:0024:39
7:56
-0:08
15K
9.32 mi12:09:161:14:297:5924:46
7:58
+0:02
20K
12.43 mi12:34:391:39:528:0225:23
8:10
+0:12
Half
13.11 mi12:40:061:45:198:025:27
7:59
-0:11
25K
15.53 mi12:59:452:04:588:0319:39
8:06
+0:07
30K
18.64 mi13:25:232:30:368:0525:38
8:15
+0:09
20M
20.00 mi13:36:372:41:508:0511:14
8:16
+0:01
21M
21.00 mi13:45:172:50:308:078:40
8:40
+0:24
35K
21.75 mi13:51:202:56:338:076:03
8:05
-0:35
23M
23.00 mi14:01:263:06:398:0710:06
8:04
-0:01
24M
24.00 mi14:09:143:14:278:067:48
7:48
-0:16
40K
24.85 mi14:16:083:21:218:066:54
8:04
+0:16
25.2M
25.20 mi14:19:103:24:238:073:02
8:48
+0:44
Finish
26.22 mi14:27:063:32:198:067:56
7:47
-1:01

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

7:47 /mi

Average Pace

8:06 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:37

94% of race

Time at Steady Pace

11:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:19:5125:048:0425:04
8:04
#14497
10K
6.21 mi11:44:3049:438:0024:39
7:56
#14408
15K
9.32 mi12:09:161:14:297:5924:46
7:58
#14306
20K
12.43 mi12:34:391:39:528:0225:23
8:10
#14372
Half
13.11 mi12:40:061:45:198:025:27
7:59
#14359
25K
15.53 mi12:59:452:04:588:0319:39
8:06
#14244
30K
18.64 mi13:25:232:30:368:0525:38
8:15
#13940
20M
20.00 mi13:36:372:41:508:0511:14
8:16
#13774
21M
21.00 mi13:45:172:50:308:078:40
8:40
#13603
35K
21.75 mi13:51:202:56:338:076:03
8:05
#13553
23M
23.00 mi14:01:263:06:398:0710:06
8:04
#13321
24M
24.00 mi14:09:143:14:278:067:48
7:48
#13140
40K
24.85 mi14:16:083:21:218:066:54
8:04
#13023
25.2M
25.20 mi14:19:103:24:238:073:02
8:48
#12987
Finish
26.22 mi14:27:063:32:198:067:56
7:47
#12884
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi144974328432814175(Top 53%)4192(Top 37%)4192(Top 347%)
10K6.21 mi3.10 mi14408+894291+374291+3714307(Top 54%)4246(Top 37%)4246(Top 352%)
15K9.32 mi3.11 mi14306+1024240+514240+5114175(Top 53%)4192(Top 37%)4192(Top 347%)
20K12.43 mi3.11 mi14372-664298-584298-5814768(Top 55%)4573(Top 40%)4573(Top 379%)
Half13.11 mi0.68 mi14359+134294+44294+414399(Top 54%)4341(Top 38%)4341(Top 360%)
25K15.53 mi2.42 mi14244+1154255+394255+3913565(Top 51%)3964(Top 35%)3964(Top 328%)
30K18.64 mi3.11 mi13940+3044110+1454110+14512705(Top 48%)3592(Top 31%)3592(Top 298%)
20M20.00 mi1.36 mi13774+1664023+874023+8712183(Top 46%)3391(Top 30%)3391(Top 281%)
21M21.00 mi1.00 mi13603+1713937+863937+8611513(Top 43%)3163(Top 28%)3163(Top 262%)
35K21.75 mi0.75 mi13553+503917+203917+2012788(Top 48%)3892(Top 34%)3892(Top 322%)
23M23.00 mi1.25 mi13321+2323810+1073810+10710282(Top 39%)2651(Top 23%)2651(Top 220%)
24M24.00 mi1.00 mi13140+1813734+763734+769861(Top 37%)2544(Top 22%)2544(Top 211%)
40K24.85 mi0.85 mi13023+1173691+433691+4310587(Top 40%)2946(Top 26%)2946(Top 244%)
25.2M25.20 mi0.35 mi12987+363677+143677+1411457(Top 43%)3468(Top 30%)3468(Top 287%)
Finish26.22 mi1.02 mi12884+1033632+453632+4510629(Top 40%)3020(Top 26%)3020(Top 250%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14175

Females

4192

F50-54

4192

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14307

Females

4246

F50-54

4246

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14175

Females

4192

F50-54

4192

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14768

Females

4573

F50-54

4573

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14399

Females

4341

F50-54

4341

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13565

Females

3964

F50-54

3964

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12705

Females

3592

F50-54

3592

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12183

Females

3391

F50-54

3391

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11513

Females

3163

F50-54

3163

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12788

Females

3892

F50-54

3892

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10282

Females

2651

F50-54

2651

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9861

Females

2544

F50-54

2544

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10587

Females

2946

F50-54

2946

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11457

Females

3468

F50-54

3468

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10629

Females

3020

F50-54

3020

Passing Analysis

Category:
Athletes Passed
2499
Passed By
886
Net Change
+1613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14497
5K → 10K339250+89#14497#14408
10K → 15K237135+102#14408#14306
15K → 20K156222-66#14306#14372
20K → Half3623+13#14372#14359
Half → 25K19883+115#14359#14244
25K → 30K35854+304#14244#13940
30K → 20M18620+166#13940#13774
20M → 21M18817+171#13774#13603
21M → 35K8030+50#13603#13553
35K → 23M2397+232#13553#13321
23M → 24M19514+181#13321#13140
24M → 40K1258+117#13140#13023
40K → 25.2M448+36#13023#12987
25.2M → Finish11815+103#12987#12884
TOTALS2499886+1613
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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