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BOSTON MARATHON 2023

Erica Milor

Bib: 16586•F

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:14
Rank: #12337
Start → 5K
24:14 | 7:48/mi
10K· 6.21 mi
48:00
Rank: #12055 (+282)
5K → 10K
23:46 | 7:39/mi
15K· 9.32 mi
1:11:40
Rank: #11687 (+368)
10K → 15K
23:40 | 7:37/mi
20K· 12.43 mi
1:35:22
Rank: #11293 (+394)
15K → 20K
23:42 | 7:38/mi
Half· 13.11 mi
1:40:31
Rank: #11249 (+44)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:47
Rank: #10875 (+374)
Half → 25K
18:16 | 7:32/mi
30K· 18.64 mi
2:22:38
Rank: #10372 (+503)
25K → 30K
23:51 | 7:41/mi
20M
2:33:13
Rank: #10248 (+124)
30K → 20M
10:35 | 7:48/mi
21M
2:41:01
Rank: #9963 (+285)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:46:29
Rank: #9838 (+125)
21M → 35K
5:28 | 7:18/mi
23M
2:55:48
Rank: #9554 (+284)
35K → 23M
9:19 | 7:26/mi
24M
3:03:07
Rank: #9388 (+166)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
3:09:23
Rank: #9197 (+191)
24M → 40K
6:16 | 7:20/mi
25.2M
3:12:03
Rank: #9134 (+63)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:19:10
Rank: #8936 (+198)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:31
Pace7:40 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:39
Pace7:32 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4124:147:4824:14
7:48
-
10K
6.21 mi11:38:2748:007:4323:46
7:39
-0:09
15K
9.32 mi12:02:071:11:407:4123:40
7:37
-0:02
20K
12.43 mi12:25:491:35:227:4023:42
7:38
+0:01
Half
13.11 mi12:30:581:40:317:405:09
7:33
-0:05
25K
15.53 mi12:49:141:58:477:3918:16
7:32
-0:01
30K
18.64 mi13:13:052:22:387:3923:51
7:41
+0:09
20M
20.00 mi13:23:402:33:137:4010:35
7:48
+0:07
21M
21.00 mi13:31:282:41:017:407:48
7:48
0:00
35K
21.75 mi13:36:562:46:297:395:28
7:18
-0:30
23M
23.00 mi13:46:152:55:487:399:19
7:26
+0:08
24M
24.00 mi13:53:343:03:077:387:19
7:19
-0:07
40K
24.85 mi13:59:503:09:237:376:16
7:20
+0:01
25.2M
25.20 mi14:02:303:12:037:372:40
7:44
+0:24
Finish
26.22 mi14:09:373:19:107:367:07
6:59
-0:45

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

6:59 /mi

Average Pace

7:36 /mi

Slowest Pace

7:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:02

65% of race

Time at Steady Pace

1:09:08

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:14:4124:147:4824:14
7:48
#12337
10K
6.21 mi11:38:2748:007:4323:46
7:39
#12055
15K
9.32 mi12:02:071:11:407:4123:40
7:37
#11687
20K
12.43 mi12:25:491:35:227:4023:42
7:38
#11293
Half
13.11 mi12:30:581:40:317:405:09
7:33
#11249
25K
15.53 mi12:49:141:58:477:3918:16
7:32
#10875
30K
18.64 mi13:13:052:22:387:3923:51
7:41
#10372
20M
20.00 mi13:23:402:33:137:4010:35
7:48
#10248
21M
21.00 mi13:31:282:41:017:407:48
7:48
#9963
35K
21.75 mi13:36:562:46:297:395:28
7:18
#9838
23M
23.00 mi13:46:152:55:487:399:19
7:26
#9554
24M
24.00 mi13:53:343:03:077:387:19
7:19
#9388
40K
24.85 mi13:59:503:09:237:376:16
7:20
#9197
25.2M
25.20 mi14:02:303:12:037:372:40
7:44
#9134
Finish
26.22 mi14:09:373:19:107:367:07
6:59
#8936
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi123373056305611167(Top 42%)2435(Top 21%)2435(Top 50%)
10K6.21 mi3.10 mi12055+2822888+1682888+16811787(Top 44%)2746(Top 24%)2746(Top 56%)
15K9.32 mi3.11 mi11687+3682716+1722716+17211167(Top 42%)2435(Top 21%)2435(Top 50%)
20K12.43 mi3.11 mi11293+3942496+2202496+22010309(Top 39%)2051(Top 18%)2051(Top 42%)
Half13.11 mi0.68 mi11249+442468+282468+2810634(Top 40%)2172(Top 19%)2172(Top 44%)
25K15.53 mi2.42 mi10875+3742285+1832285+1839042(Top 34%)1570(Top 14%)1570(Top 32%)
30K18.64 mi3.11 mi10372+5032088+1972088+1978494(Top 32%)1505(Top 13%)1505(Top 31%)
20M20.00 mi1.36 mi10248+1242047+412047+418812(Top 33%)1731(Top 15%)1731(Top 35%)
21M21.00 mi1.00 mi9963+2851929+1181929+1186124(Top 23%)847(Top 7%)847(Top 17%)
35K21.75 mi0.75 mi9838+1251888+411888+417237(Top 27%)1199(Top 10%)1199(Top 25%)
23M23.00 mi1.25 mi9554+2841788+1001788+1006137(Top 23%)865(Top 8%)865(Top 18%)
24M24.00 mi1.00 mi9388+1661757+311757+316529(Top 25%)1090(Top 10%)1090(Top 22%)
40K24.85 mi0.85 mi9197+1911700+571700+575683(Top 21%)873(Top 8%)873(Top 18%)
25.2M25.20 mi0.35 mi9134+631679+211679+215151(Top 19%)796(Top 7%)796(Top 16%)
Finish26.22 mi1.02 mi8936+1981613+661613+665146(Top 19%)783(Top 7%)783(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11167

Females

2435

F18-39

2435

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11787

Females

2746

F18-39

2746

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11167

Females

2435

F18-39

2435

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10309

Females

2051

F18-39

2051

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10634

Females

2172

F18-39

2172

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9042

Females

1570

F18-39

1570

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8494

Females

1505

F18-39

1505

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8812

Females

1731

F18-39

1731

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6124

Females

847

F18-39

847

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7237

Females

1199

F18-39

1199

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6137

Females

865

F18-39

865

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6529

Females

1090

F18-39

1090

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5683

Females

873

F18-39

873

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5151

Females

796

F18-39

796

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5146

Females

783

F18-39

783

Passing Analysis

Category:
Athletes Passed
3742*
Passed By
341
Net Change
+3401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12337
5K → 10K479197+282#12337#12055
10K → 15K42759+368#12055#11687
15K → 20K41420+394#11687#11293
20K → Half528+44#11293#11249
Half → 25K3762+374#11249#10875
25K → 30K51613+503#10875#10372
30K → 20M145*21+124#10372#10248
20M → 21M287*2+285#10248#9963
21M → 35K1283+125#9963#9838
35K → 23M2862+284#9838#9554
23M → 24M1737+166#9554#9388
24M → 40K1943+191#9388#9197
40K → 25.2M641+63#9197#9134
25.2M → Finish2013+198#9134#8936
TOTALS3742*341+3401

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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