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BOSTON MARATHON 2023

Carissa Liebowitz

GA

Bib: 12520 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Masters (Masters Women)
#0 / 6539
Top 3%
Division (F40-44)
#0 / 1878
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:28/mi
23:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:14/mi
45:40
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:14/mi
1:08:09
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:21/mi
1:30:59
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:12/mi
1:35:54
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:24/mi
1:53:50
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:27/mi
2:16:59
↑ 181↓ 1480.2%
138 ft elev
20M
7:27/mi
2:27:07
↑ 64↓ 500.2%
148 ft elev
21M
7:53/mi
2:35:00
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:13/mi
2:40:24
↑ 17↓ 861.7%
156 ft elev
23M
7:28/mi
2:49:45
↑ 23↓ 630.6%
116 ft elev
24M
7:13/mi
2:56:58
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:24/mi
3:03:18
↓ 200.3%
20 ft elev
25.2M
7:58/mi
3:06:03
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:17/mi
3:13:28
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:54
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:37:34
Pace7:27 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4423:137:2823:13
7:28
-
10K
6.21 mi11:13:1145:407:2122:27
7:14
-0:14
15K
9.32 mi11:35:401:08:097:1922:29
7:14
0:00
20K
12.43 mi11:58:301:30:597:1922:50
7:21
+0:07
Half
13.11 mi12:03:251:35:547:194:55
7:12
-0:09
25K
15.53 mi12:21:211:53:507:2017:56
7:24
+0:12
30K
18.64 mi12:44:302:16:597:2123:09
7:27
+0:03
20M
20.00 mi12:54:382:27:077:2110:08
7:27
0:00
21M
21.00 mi13:02:312:35:007:237:53
7:53
+0:26
35K
21.75 mi13:07:552:40:247:235:24
7:13
-0:40
23M
23.00 mi13:17:162:49:457:239:21
7:28
+0:15
24M
24.00 mi13:24:292:56:587:227:13
7:13
-0:15
40K
24.85 mi13:30:493:03:187:226:20
7:24
+0:11
25.2M
25.20 mi13:33:343:06:037:232:45
7:58
+0:34
Finish
26.22 mi13:40:593:13:287:237:25
7:17
-0:41

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

7:12 /mi

Average Pace

7:23 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:43

99% of race

Time at Steady Pace

2:45

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi10:50:4423:137:2823:13
7:28
#9396
10K
6.21 mi11:13:1145:407:2122:27
7:14
#8806
15K
9.32 mi11:35:401:08:097:1922:29
7:14
#8547
20K
12.43 mi11:58:301:30:597:1922:50
7:21
#8406
Half
13.11 mi12:03:251:35:547:194:55
7:12
#8379
25K
15.53 mi12:21:211:53:507:2017:56
7:24
#8284
30K
18.64 mi12:44:302:16:597:2123:09
7:27
#8010
20M
20.00 mi12:54:382:27:077:2110:08
7:27
#7834
21M
21.00 mi13:02:312:35:007:237:53
7:53
#7726
35K
21.75 mi13:07:552:40:247:235:24
7:13
#7670
23M
23.00 mi13:17:162:49:457:239:21
7:28
#7535
24M
24.00 mi13:24:292:56:587:227:13
7:13
#7438
40K
24.85 mi13:30:493:03:187:226:20
7:24
#7367
25.2M
25.20 mi13:33:343:06:037:232:45
7:58
#7343
Finish
26.22 mi13:40:593:13:287:237:25
7:17
#7290
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi9396157415748073(Top 30%)1095(Top 10%)1095(Top 58%)
10K6.21 mi3.10 mi8806+5901326+2481326+2488310(Top 31%)1148(Top 10%)1148(Top 61%)
15K9.32 mi3.11 mi8547+2591238+881238+888073(Top 30%)1095(Top 10%)1095(Top 58%)
20K12.43 mi3.11 mi8406+1411201+371201+378149(Top 31%)1155(Top 10%)1155(Top 62%)
Half13.11 mi0.68 mi8379+271192+91192+97966(Top 30%)1075(Top 9%)1075(Top 57%)
25K15.53 mi2.42 mi8284+951183+91183+98004(Top 30%)1184(Top 10%)1184(Top 63%)
30K18.64 mi3.11 mi8010+2741119+641119+646914(Top 26%)905(Top 8%)905(Top 48%)
20M20.00 mi1.36 mi7834+1761070+491070+496534(Top 25%)859(Top 8%)859(Top 46%)
21M21.00 mi1.00 mi7726+1081051+191051+196660(Top 25%)1003(Top 9%)1003(Top 53%)
35K21.75 mi0.75 mi7670+561035+161035+166676(Top 25%)978(Top 9%)978(Top 52%)
23M23.00 mi1.25 mi7535+1351015+201015+206261(Top 24%)903(Top 8%)903(Top 48%)
24M24.00 mi1.00 mi7438+971004+111004+115868(Top 22%)848(Top 7%)848(Top 45%)
40K24.85 mi0.85 mi7367+71100410046172(Top 23%)1045(Top 9%)1045(Top 56%)
25.2M25.20 mi0.35 mi7343+24100410046406(Top 24%)1190(Top 10%)1190(Top 63%)
Finish26.22 mi1.02 mi7290+531012-81012-86992(Top 26%)1419(Top 12%)1419(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8073

Females

1095

F40-44

1095

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8310

Females

1148

F40-44

1148

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8073

Females

1095

F40-44

1095

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8149

Females

1155

F40-44

1155

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7966

Females

1075

F40-44

1075

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8004

Females

1184

F40-44

1184

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6914

Females

905

F40-44

905

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6534

Females

859

F40-44

859

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6660

Females

1003

F40-44

1003

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6676

Females

978

F40-44

978

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6261

Females

903

F40-44

903

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5868

Females

848

F40-44

848

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6172

Females

1045

F40-44

1045

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6406

Females

1190

F40-44

1190

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6992

Females

1419

F40-44

1419

Passing Analysis

Category:
Athletes Passed
2513
Passed By
407
Net Change
+2106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9396
5K → 10K65767+590#9396#8806
10K → 15K29435+259#8806#8547
15K → 20K21271+141#8547#8406
20K → Half369+27#8406#8379
Half → 25K15358+95#8379#8284
25K → 30K29925+274#8284#8010
30K → 20M1848+176#8010#7834
20M → 21M12416+108#7834#7726
21M → 35K6812+56#7726#7670
35K → 23M15318+135#7670#7535
23M → 24M11417+97#7535#7438
24M → 40K8817+71#7438#7367
40K → 25.2M3814+24#7367#7343
25.2M → Finish9340+53#7343#7290
TOTALS2513407+2106
📊

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