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BOSTON MARATHON 2023

Ericka Lee

Bib: 22620•F

CA

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
8:43/mi
27:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
54:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:48/mi
1:21:32
↑ 67↓ 78
20K· 12.43 mi
8:52/mi
1:49:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:54:56
↑ 19↓ 370.5%
25K· 15.53 mi
9:01/mi
2:16:47
↑ 66↓ 880.2%
30K· 18.64 mi
9:26/mi
2:46:05
↑ 181↓ 1480.2%
20M
9:27/mi
2:58:56
↑ 64↓ 500.2%
21M
9:49/mi
3:08:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:59/mi
3:15:28
↑ 17↓ 861.7%
23M
9:08/mi
3:26:54
↑ 23↓ 630.6%
24M
8:42/mi
3:35:36
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:43:06
↓ 200.3%
25.2M
9:40/mi
3:46:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:55:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:56
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:00:05
Pace9:10 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0827:068:4327:06
8:43
-
10K
6.21 mi11:49:1554:138:4427:07
8:44
+0:01
15K
9.32 mi12:16:341:21:328:4527:19
8:48
+0:04
20K
12.43 mi12:44:061:49:048:4727:32
8:52
+0:04
Half
13.11 mi12:49:581:54:568:465:52
8:36
-0:16
25K
15.53 mi13:11:492:16:478:4821:51
9:01
+0:25
30K
18.64 mi13:41:072:46:058:5529:18
9:26
+0:25
20M
20.00 mi13:53:582:58:568:5712:51
9:27
+0:01
21M
21.00 mi14:03:473:08:458:599:49
9:49
+0:22
35K
21.75 mi14:10:303:15:288:596:43
8:59
-0:50
23M
23.00 mi14:21:563:26:549:0011:26
9:08
+0:09
24M
24.00 mi14:30:383:35:368:598:42
8:42
-0:26
40K
24.85 mi14:38:083:43:068:597:30
8:46
+0:04
25.2M
25.20 mi14:41:283:46:268:593:20
9:40
+0:54
Finish
26.22 mi14:50:033:55:018:588:35
8:25
-1:15

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

8:25 /mi

Average Pace

8:58 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:43

76% of race

Time at Steady Pace

55:18

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:58 /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 mi11:22:0827:068:4327:06
8:43
#19038
10K
6.21 mi11:49:1554:138:4427:07
8:44
#19285
15K
9.32 mi12:16:341:21:328:4527:19
8:48
#19327
20K
12.43 mi12:44:061:49:048:4727:32
8:52
#19210
Half
13.11 mi12:49:581:54:568:465:52
8:36
#19152
25K
15.53 mi13:11:492:16:478:4821:51
9:01
#19113
30K
18.64 mi13:41:072:46:058:5529:18
9:26
#19155
20M
20.00 mi13:53:582:58:568:5712:51
9:27
#19106
21M
21.00 mi14:03:473:08:458:599:49
9:49
#19002
35K
21.75 mi14:10:303:15:288:596:43
8:59
#18955
23M
23.00 mi14:21:563:26:549:0011:26
9:08
#18808
24M
24.00 mi14:30:383:35:368:598:42
8:42
#18674
40K
24.85 mi14:38:083:43:068:597:30
8:46
#18532
25.2M
25.20 mi14:41:283:46:268:593:20
9:40
#18487
Finish
26.22 mi14:50:033:55:018:588:35
8:25
#18382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi190387224722419471(Top 73%)7377(Top 65%)7377(Top 406%)
10K6.21 mi3.10 mi19285-2477328-1047328-10419579(Top 74%)7436(Top 65%)7436(Top 409%)
15K9.32 mi3.11 mi19327-427333-57333-519471(Top 73%)7377(Top 65%)7377(Top 406%)
20K12.43 mi3.11 mi19210+1177243+907243+9019018(Top 71%)7096(Top 62%)7096(Top 391%)
Half13.11 mi0.68 mi19152+587207+367207+3618371(Top 69%)6706(Top 59%)6706(Top 369%)
25K15.53 mi2.42 mi19113+397185+227185+2219020(Top 71%)7140(Top 63%)7140(Top 393%)
30K18.64 mi3.11 mi19155-427229-447229-4419180(Top 72%)7294(Top 64%)7294(Top 401%)
20M20.00 mi1.36 mi19106+497211+187211+1818698(Top 70%)7130(Top 62%)7130(Top 392%)
21M21.00 mi1.00 mi19002+1047167+447167+4417340(Top 65%)6397(Top 56%)6397(Top 352%)
35K21.75 mi0.75 mi18955+477151+167151+1617845(Top 67%)6747(Top 59%)6747(Top 371%)
23M23.00 mi1.25 mi18808+1477078+737078+7316719(Top 63%)6150(Top 54%)6150(Top 338%)
24M24.00 mi1.00 mi18674+1347008+707008+7015703(Top 59%)5652(Top 49%)5652(Top 311%)
40K24.85 mi0.85 mi18532+1426935+736935+7314989(Top 56%)5304(Top 46%)5304(Top 292%)
25.2M25.20 mi0.35 mi18487+456918+176918+1716039(Top 60%)5903(Top 52%)5903(Top 325%)
Finish26.22 mi1.02 mi18382+1056873+456873+4514926(Top 56%)5227(Top 46%)5227(Top 288%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19471

Females

7377

F45-49

7377

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

19579

Females

7436

F45-49

7436

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19471

Females

7377

F45-49

7377

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

19018

Females

7096

F45-49

7096

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18371

Females

6706

F45-49

6706

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

19020

Females

7140

F45-49

7140

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19180

Females

7294

F45-49

7294

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18698

Females

7130

F45-49

7130

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17340

Females

6397

F45-49

6397

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17845

Females

6747

F45-49

6747

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16719

Females

6150

F45-49

6150

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15703

Females

5652

F45-49

5652

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14989

Females

5304

F45-49

5304

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16039

Females

5903

F45-49

5903

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14926

Females

5227

F45-49

5227

Passing Analysis

Category:
Athletes Passed
1885
Passed By
1229
Net Change
+656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19038
5K → 10K228475-247#19038#19285
10K → 15K171213-42#19285#19327
15K → 20K217100+117#19327#19210
20K → Half635+58#19210#19152
Half → 25K13192+39#19152#19113
25K → 30K158200-42#19113#19155
30K → 20M10758+49#19155#19106
20M → 21M12925+104#19106#19002
21M → 35K6720+47#19002#18955
35K → 23M16215+147#18955#18808
23M → 24M1406+134#18808#18674
24M → 40K1464+142#18674#18532
40K → 25.2M516+45#18532#18487
25.2M → Finish11510+105#18487#18382
TOTALS18851229+656
📊

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