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BOSTON MARATHON 2023

Erin Lyons

Bib: 29024•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:28
Rank: #13053
Start → 5K
24:28 | 7:53/mi
10K· 6.21 mi
48:30
Rank: #12760 (+293)
5K → 10K
24:02 | 7:44/mi
15K· 9.32 mi
1:13:02
Rank: #13012 (-252)
10K → 15K
24:32 | 7:54/mi
20K· 12.43 mi
1:38:08
Rank: #13298 (-286)
15K → 20K
25:06 | 8:05/mi
Half· 13.11 mi
1:43:34
Rank: #13325 (-27)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:03:40
Rank: #13567 (-242)
Half → 25K
20:06 | 8:17/mi
30K· 18.64 mi
2:30:30
Rank: #13873 (-306)
25K → 30K
26:50 | 8:38/mi
20M
2:42:14
Rank: #13922 (-49)
30K → 20M
11:44 | 8:38/mi
21M
2:51:26
Rank: #13940 (-18)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
2:57:34
Rank: #13910 (+30)
21M → 35K
6:08 | 8:12/mi
23M
3:08:14
Rank: #13845 (+65)
35K → 23M
10:40 | 8:31/mi
24M
3:16:42
Rank: #13846 (-1)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:24:05
Rank: #13846
24M → 40K
7:23 | 8:38/mi
25.2M
3:27:16
Rank: #13840 (+6)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:35:51
Rank: #13867 (-27)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:34
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:52:17
Pace8:34 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:0324:287:5324:28
7:53
-
10K
6.21 mi12:06:0548:307:4824:02
7:44
-0:09
15K
9.32 mi12:30:371:13:027:5024:32
7:54
+0:10
20K
12.43 mi12:55:431:38:087:5425:06
8:05
+0:11
Half
13.11 mi13:01:091:43:347:545:26
7:58
-0:07
25K
15.53 mi13:21:152:03:407:5820:06
8:17
+0:19
30K
18.64 mi13:48:052:30:308:0426:50
8:38
+0:21
20M
20.00 mi13:59:492:42:148:0711:44
8:38
0:00
21M
21.00 mi14:09:012:51:268:109:12
9:12
+0:34
35K
21.75 mi14:15:092:57:348:106:08
8:12
-1:00
23M
23.00 mi14:25:493:08:148:1110:40
8:31
+0:19
24M
24.00 mi14:34:173:16:428:128:28
8:28
-0:03
40K
24.85 mi14:41:403:24:058:137:23
8:38
+0:10
25.2M
25.20 mi14:44:513:27:168:133:11
9:14
+0:36
Finish
26.22 mi14:53:263:35:518:148:35
8:25
-0:49

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

7:44 /mi

Average Pace

8:14 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:51

68% of race

Time at Steady Pace

56:37

26% of race

Time at Slower Pace

12:23

6% of race

Average Pace: 8:14 /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 mi11:42:0324:287:5324:28
7:53
#13053
10K
6.21 mi12:06:0548:307:4824:02
7:44
#12760
15K
9.32 mi12:30:371:13:027:5024:32
7:54
#13012
20K
12.43 mi12:55:431:38:087:5425:06
8:05
#13298
Half
13.11 mi13:01:091:43:347:545:26
7:58
#13325
25K
15.53 mi13:21:152:03:407:5820:06
8:17
#13567
30K
18.64 mi13:48:052:30:308:0426:50
8:38
#13873
20M
20.00 mi13:59:492:42:148:0711:44
8:38
#13922
21M
21.00 mi14:09:012:51:268:109:12
9:12
#13940
35K
21.75 mi14:15:092:57:348:106:08
8:12
#13910
23M
23.00 mi14:25:493:08:148:1110:40
8:31
#13845
24M
24.00 mi14:34:173:16:428:128:28
8:28
#13846
40K
24.85 mi14:41:403:24:058:137:23
8:38
#13846
25.2M
25.20 mi14:44:513:27:168:133:11
9:14
#13840
Finish
26.22 mi14:53:263:35:518:148:35
8:25
#13867
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130533474347413518(Top 51%)3791(Top 33%)3791(Top 78%)
10K6.21 mi3.10 mi12760+2933292+1823292+18212576(Top 47%)3196(Top 28%)3196(Top 65%)
15K9.32 mi3.11 mi13012-2523466-1743466-17413518(Top 51%)3791(Top 33%)3791(Top 78%)
20K12.43 mi3.11 mi13298-2863658-1923658-19214099(Top 53%)4162(Top 36%)4162(Top 85%)
Half13.11 mi0.68 mi13325-273680-223680-2214131(Top 53%)4162(Top 36%)4162(Top 85%)
25K15.53 mi2.42 mi13567-2423843-1633843-16314892(Top 56%)4759(Top 42%)4759(Top 97%)
30K18.64 mi3.11 mi13873-3064062-2194062-21915147(Top 57%)5026(Top 44%)5026(Top 103%)
20M20.00 mi1.36 mi13922-494112-504112-5014491(Top 54%)4693(Top 41%)4693(Top 96%)
21M21.00 mi1.00 mi13940-184142-304142-3014496(Top 54%)4759(Top 42%)4759(Top 97%)
35K21.75 mi0.75 mi13910+304143-14143-113454(Top 51%)4253(Top 37%)4253(Top 87%)
23M23.00 mi1.25 mi13845+654131+124131+1213372(Top 50%)4276(Top 37%)4276(Top 88%)
24M24.00 mi1.00 mi13846-14162-314162-3114294(Top 54%)4835(Top 42%)4835(Top 99%)
40K24.85 mi0.85 mi138464180-184180-1814176(Top 53%)4838(Top 42%)4838(Top 99%)
25.2M25.20 mi0.35 mi13840+64179+14179+113847(Top 52%)4658(Top 41%)4658(Top 95%)
Finish26.22 mi1.02 mi13867-274213-344213-3414901(Top 56%)5202(Top 46%)5202(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13518

Females

3791

F18-39

3791

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

12576

Females

3196

F18-39

3196

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13518

Females

3791

F18-39

3791

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14099

Females

4162

F18-39

4162

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14131

Females

4162

F18-39

4162

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14892

Females

4759

F18-39

4759

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15147

Females

5026

F18-39

5026

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14491

Females

4693

F18-39

4693

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14496

Females

4759

F18-39

4759

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13454

Females

4253

F18-39

4253

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13372

Females

4276

F18-39

4276

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14294

Females

4835

F18-39

4835

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14176

Females

4838

F18-39

4838

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13847

Females

4658

F18-39

4658

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14901

Females

5202

F18-39

5202

Passing Analysis

Category:
Athletes Passed
1471
Passed By
2285
Net Change
-814
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13053
5K → 10K486193+293#13053#12760
10K → 15K116368-252#12760#13012
15K → 20K103389-286#13012#13298
20K → Half2451-27#13298#13325
Half → 25K72314-242#13325#13567
25K → 30K107413-306#13567#13873
30K → 20M79128-49#13873#13922
20M → 21M86104-18#13922#13940
21M → 35K5727+30#13940#13910
35K → 23M11752+65#13910#13845
23M → 24M7071-1#13845#13846
24M → 40K72720#13846#13846
40K → 25.2M2519+6#13846#13840
25.2M → Finish5784-27#13840#13867
TOTALS14712285-814
📊

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