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BOSTON MARATHON 2023

Lucy Cheng

Bib: 23246•F

NV

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
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
9:01/mi
28:00
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
56:11
↑ 79↓ 1380.4%
15K· 9.32 mi
9:12/mi
1:24:45
↑ 67↓ 78
20K· 12.43 mi
9:19/mi
1:53:43
↑ 106↓ 860.1%
Half· 13.11 mi
9:13/mi
2:00:00
↑ 19↓ 370.5%
25K· 15.53 mi
9:24/mi
2:22:47
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:52:40
↑ 181↓ 1480.2%
20M
9:37/mi
3:05:44
↑ 64↓ 500.2%
21M
10:10/mi
3:15:54
↑ 106↓ 241.6%
35K· 21.75 mi
9:19/mi
3:22:52
↑ 17↓ 861.7%
23M
9:31/mi
3:34:47
↑ 23↓ 630.6%
24M
9:10/mi
3:43:57
↓ 821.3%
40K· 24.85 mi
9:12/mi
3:51:49
↓ 200.3%
25.2M
10:09/mi
3:55:19
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
4:04:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:00
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:04:26
Pace9:30 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0728:009:0128:00
9:01
-
10K
6.21 mi11:51:1856:119:0328:11
9:04
+0:03
15K
9.32 mi12:19:521:24:459:0628:34
9:12
+0:08
20K
12.43 mi12:48:501:53:439:0928:58
9:19
+0:07
Half
13.11 mi12:55:072:00:009:096:17
9:13
-0:06
25K
15.53 mi13:17:542:22:479:1122:47
9:24
+0:11
30K
18.64 mi13:47:472:52:409:1629:53
9:37
+0:13
20M
20.00 mi14:00:513:05:449:1713:04
9:37
0:00
21M
21.00 mi14:11:013:15:549:2010:10
10:10
+0:33
35K
21.75 mi14:17:593:22:529:206:58
9:19
-0:51
23M
23.00 mi14:29:543:34:479:2011:55
9:31
+0:12
24M
24.00 mi14:39:043:43:579:209:10
9:10
-0:21
40K
24.85 mi14:46:563:51:499:207:52
9:12
+0:02
25.2M
25.20 mi14:50:263:55:199:203:30
10:09
+0:57
Finish
26.22 mi14:59:334:04:269:209:07
8:57
-1:12

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

8:57 /mi

Average Pace

9:20 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:50:46

94% of race

Time at Steady Pace

13:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:19 /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 mi11:23:0728:009:0128:00
9:01
#20511
10K
6.21 mi11:51:1856:119:0328:11
9:04
#20815
15K
9.32 mi12:19:521:24:459:0628:34
9:12
#21011
20K
12.43 mi12:48:501:53:439:0928:58
9:19
#20996
Half
13.11 mi12:55:072:00:009:096:17
9:13
#21009
25K
15.53 mi13:17:542:22:479:1122:47
9:24
#20902
30K
18.64 mi13:47:472:52:409:1629:53
9:37
#20679
20M
20.00 mi14:00:513:05:449:1713:04
9:37
#20573
21M
21.00 mi14:11:013:15:549:2010:10
10:10
#20448
35K
21.75 mi14:17:593:22:529:206:58
9:19
#20377
23M
23.00 mi14:29:543:34:479:2011:55
9:31
#20265
24M
24.00 mi14:39:043:43:579:209:10
9:10
#20171
40K
24.85 mi14:46:563:51:499:207:52
9:12
#20075
25.2M
25.20 mi14:50:263:55:199:203:30
10:09
#20038
Finish
26.22 mi14:59:334:04:269:209:07
8:57
#19966
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi205118123812321288(Top 80%)8394(Top 73%)8394(Top 1030%)
10K6.21 mi3.10 mi20815-3048213-908213-9021161(Top 79%)8357(Top 73%)8357(Top 1025%)
15K9.32 mi3.11 mi21011-1968292-798292-7921288(Top 80%)8394(Top 73%)8394(Top 1030%)
20K12.43 mi3.11 mi20996+158272+208272+2021040(Top 79%)8255(Top 72%)8255(Top 1013%)
Half13.11 mi0.68 mi21009-138272827221206(Top 80%)8354(Top 73%)8354(Top 1025%)
25K15.53 mi2.42 mi20902+1078205+678205+6720511(Top 77%)7992(Top 70%)7992(Top 981%)
30K18.64 mi3.11 mi20679+2238098+1078098+10719867(Top 75%)7692(Top 67%)7692(Top 944%)
20M20.00 mi1.36 mi20573+1068061+378061+3719294(Top 72%)7455(Top 65%)7455(Top 915%)
21M21.00 mi1.00 mi20448+1257996+657996+6518626(Top 70%)7129(Top 62%)7129(Top 875%)
35K21.75 mi0.75 mi20377+717972+247972+2419237(Top 72%)7520(Top 66%)7520(Top 923%)
23M23.00 mi1.25 mi20265+1127916+567916+5618420(Top 69%)7092(Top 62%)7092(Top 870%)
24M24.00 mi1.00 mi20171+947876+407876+4017961(Top 67%)6885(Top 60%)6885(Top 845%)
40K24.85 mi0.85 mi20075+967827+497827+4917133(Top 64%)6487(Top 57%)6487(Top 796%)
25.2M25.20 mi0.35 mi20038+377813+147813+1418010(Top 68%)6981(Top 61%)6981(Top 857%)
Finish26.22 mi1.02 mi19966+727774+397774+3917746(Top 67%)6790(Top 59%)6790(Top 833%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21288

Females

8394

F55-59

8394

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21161

Females

8357

F55-59

8357

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21288

Females

8394

F55-59

8394

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

21040

Females

8255

F55-59

8255

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21206

Females

8354

F55-59

8354

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20511

Females

7992

F55-59

7992

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19867

Females

7692

F55-59

7692

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19294

Females

7455

F55-59

7455

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18626

Females

7129

F55-59

7129

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19237

Females

7520

F55-59

7520

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18420

Females

7092

F55-59

7092

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17961

Females

6885

F55-59

6885

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17133

Females

6487

F55-59

6487

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18010

Females

6981

F55-59

6981

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17746

Females

6790

F55-59

6790

Passing Analysis

Category:
Athletes Passed
1700
Passed By
1155
Net Change
+545
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20511
5K → 10K164468-304#20511#20815
10K → 15K91287-196#20815#21011
15K → 20K166151+15#21011#20996
20K → Half2740-13#20996#21009
Half → 25K16255+107#21009#20902
25K → 30K26441+223#20902#20679
30K → 20M13125+106#20679#20573
20M → 21M14217+125#20573#20448
21M → 35K8716+71#20448#20377
35K → 23M12715+112#20377#20265
23M → 24M1039+94#20265#20171
24M → 40K1048+96#20171#20075
40K → 25.2M425+37#20075#20038
25.2M → Finish9018+72#20038#19966
TOTALS17001155+545
📊

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