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BOSTON MARATHON 2023

Erica Mclean

Bib: 26217•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
9:20/mi
28:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
56:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:22:56
↑ 67↓ 78
20K· 12.43 mi
8:44/mi
1:50:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:55:54
↑ 19↓ 370.5%
25K· 15.53 mi
8:46/mi
2:17:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:44:52
↑ 181↓ 1480.2%
20M
8:56/mi
2:57:01
↑ 64↓ 500.2%
21M
9:28/mi
3:06:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:13:08
↑ 17↓ 861.7%
23M
8:59/mi
3:24:23
↑ 23↓ 630.6%
24M
8:57/mi
3:33:20
↓ 821.3%
40K· 24.85 mi
9:05/mi
3:41:06
↓ 200.3%
25.2M
9:08/mi
3:44:15
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
3:53:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:54
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time1:57:40
Pace8:59 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0628:599:2028:59
9:20
-
10K
6.21 mi12:19:2956:229:0427:23
8:49
-0:31
15K
9.32 mi12:46:031:22:568:5426:34
8:33
-0:16
20K
12.43 mi13:13:111:50:048:5127:08
8:44
+0:11
Half
13.11 mi13:19:011:55:548:505:50
8:33
-0:11
25K
15.53 mi13:40:172:17:108:5021:16
8:46
+0:13
30K
18.64 mi14:07:592:44:528:5127:42
8:55
+0:09
20M
20.00 mi14:20:082:57:018:5112:09
8:56
+0:01
21M
21.00 mi14:29:363:06:298:539:28
9:28
+0:32
35K
21.75 mi14:36:153:13:088:536:39
8:53
-0:35
23M
23.00 mi14:47:303:24:238:5311:15
8:59
+0:06
24M
24.00 mi14:56:273:33:208:538:57
8:57
-0:02
40K
24.85 mi15:04:133:41:068:547:46
9:05
+0:08
25.2M
25.20 mi15:07:223:44:158:543:09
9:08
+0:03
Finish
26.22 mi15:16:413:53:348:559:19
9:08
0:00

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

8:33 /mi

Average Pace

8:55 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:44:06

96% of race

Time at Steady Pace

9:28

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:54 /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 mi11:52:0628:599:2028:59
9:20
#21624
10K
6.21 mi12:19:2956:229:0427:23
8:49
#20942
15K
9.32 mi12:46:031:22:568:5426:34
8:33
#20112
20K
12.43 mi13:13:111:50:048:5127:08
8:44
#19619
Half
13.11 mi13:19:011:55:548:505:50
8:33
#19550
25K
15.53 mi13:40:172:17:108:5021:16
8:46
#19263
30K
18.64 mi14:07:592:44:528:5127:42
8:55
#18817
20M
20.00 mi14:20:082:57:018:5112:09
8:56
#18616
21M
21.00 mi14:29:363:06:298:539:28
9:28
#18425
35K
21.75 mi14:36:153:13:088:536:39
8:53
#18381
23M
23.00 mi14:47:303:24:238:5311:15
8:59
#18234
24M
24.00 mi14:56:273:33:208:538:57
8:57
#18186
40K
24.85 mi15:04:133:41:068:547:46
9:05
#18129
25.2M
25.20 mi15:07:223:44:158:543:09
9:08
#18061
Finish
26.22 mi15:16:413:53:348:559:19
9:08
#18103
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi216248705870518168(Top 68%)6601(Top 58%)6601(Top 351%)
10K6.21 mi3.10 mi20942+6828287+4188287+41820006(Top 75%)7700(Top 67%)7700(Top 410%)
15K9.32 mi3.11 mi20112+8307799+4887799+48818168(Top 68%)6601(Top 58%)6601(Top 351%)
20K12.43 mi3.11 mi19619+4937496+3037496+30318331(Top 69%)6693(Top 59%)6693(Top 356%)
Half13.11 mi0.68 mi19550+697457+397457+3918058(Top 68%)6522(Top 57%)6522(Top 347%)
25K15.53 mi2.42 mi19263+2877278+1797278+17917800(Top 67%)6461(Top 57%)6461(Top 344%)
30K18.64 mi3.11 mi18817+4467039+2397039+23916753(Top 63%)5927(Top 52%)5927(Top 316%)
20M20.00 mi1.36 mi18616+2016942+976942+9716256(Top 61%)5727(Top 50%)5727(Top 305%)
21M21.00 mi1.00 mi18425+1916843+996843+9915840(Top 59%)5543(Top 49%)5543(Top 295%)
35K21.75 mi0.75 mi18381+446826+176826+1717421(Top 65%)6514(Top 57%)6514(Top 347%)
23M23.00 mi1.25 mi18234+1476748+786748+7816032(Top 60%)5771(Top 51%)5771(Top 307%)
24M24.00 mi1.00 mi18186+486735+136735+1317020(Top 64%)6370(Top 56%)6370(Top 339%)
40K24.85 mi0.85 mi18129+576714+216714+2116594(Top 62%)6184(Top 54%)6184(Top 329%)
25.2M25.20 mi0.35 mi18061+686682+326682+3213423(Top 50%)4489(Top 39%)4489(Top 239%)
Finish26.22 mi1.02 mi18103-426711-296711-2918616(Top 70%)7246(Top 63%)7246(Top 386%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18168

Females

6601

F40-44

6601

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

20006

Females

7700

F40-44

7700

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18168

Females

6601

F40-44

6601

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18331

Females

6693

F40-44

6693

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18058

Females

6522

F40-44

6522

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17800

Females

6461

F40-44

6461

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16753

Females

5927

F40-44

5927

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16256

Females

5727

F40-44

5727

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15840

Females

5543

F40-44

5543

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17421

Females

6514

F40-44

6514

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16032

Females

5771

F40-44

5771

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17020

Females

6370

F40-44

6370

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16594

Females

6184

F40-44

6184

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13423

Females

4489

F40-44

4489

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18616

Females

7246

F40-44

7246

Passing Analysis

Category:
Athletes Passed
3851
Passed By
330
Net Change
+3521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21624
5K → 10K74866+682#21624#20942
10K → 15K84010+830#20942#20112
15K → 20K50613+493#20112#19619
20K → Half745+69#19619#19550
Half → 25K31124+287#19550#19263
25K → 30K45913+446#19263#18817
30K → 20M21615+201#18817#18616
20M → 21M20615+191#18616#18425
21M → 35K6925+44#18425#18381
35K → 23M17023+147#18381#18234
23M → 24M7224+48#18234#18186
24M → 40K7316+57#18186#18129
40K → 25.2M713+68#18129#18061
25.2M → Finish3678-42#18061#18103
TOTALS3851330+3521
📊

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