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BOSTON MARATHON 2023

Chelsea Myers

Bib: 20152•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 29%
Division (F40-44)
#0 / 1878
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:16
Rank: #17253
Start → 5K
26:16 | 8:27/mi
10K· 6.21 mi
51:51
Rank: #16813 (+440)
5K → 10K
25:35 | 8:14/mi
15K· 9.32 mi
1:17:28
Rank: #16591 (+222)
10K → 15K
25:37 | 8:15/mi
20K· 12.43 mi
1:42:55
Rank: #16129 (+462)
15K → 20K
25:27 | 8:11/mi
Half· 13.11 mi
1:48:26
Rank: #16066 (+63)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:08:24
Rank: #15787 (+279)
Half → 25K
19:58 | 8:14/mi
30K· 18.64 mi
2:34:21
Rank: #15337 (+450)
25K → 30K
25:57 | 8:21/mi
20M
2:45:49
Rank: #15171 (+166)
30K → 20M
11:28 | 8:26/mi
21M
2:54:51
Rank: #15066 (+105)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
3:01:02
Rank: #15016 (+50)
21M → 35K
6:11 | 8:16/mi
23M
3:11:50
Rank: #14934 (+82)
35K → 23M
10:48 | 8:38/mi
24M
3:20:05
Rank: #14818 (+116)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:27:23
Rank: #14735 (+83)
24M → 40K
7:18 | 8:32/mi
25.2M
3:30:29
Rank: #14694 (+41)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:38:56
Rank: #14675 (+19)
25.2M → Finish
8:27 | 8:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:26
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:50:30
Pace8:26 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3126:168:2726:16
8:27
-
10K
6.21 mi11:44:0651:518:2125:35
8:14
-0:13
15K
9.32 mi12:09:431:17:288:1925:37
8:15
+0:01
20K
12.43 mi12:35:101:42:558:1725:27
8:11
-0:04
Half
13.11 mi12:40:411:48:268:165:31
8:05
-0:06
25K
15.53 mi13:00:392:08:248:1619:58
8:14
+0:09
30K
18.64 mi13:26:362:34:218:1725:57
8:21
+0:07
20M
20.00 mi13:38:042:45:498:1711:28
8:26
+0:05
21M
21.00 mi13:47:062:54:518:209:02
9:02
+0:36
35K
21.75 mi13:53:173:01:028:196:11
8:16
-0:46
23M
23.00 mi14:04:053:11:508:2010:48
8:38
+0:22
24M
24.00 mi14:12:203:20:058:208:15
8:15
-0:23
40K
24.85 mi14:19:383:27:238:217:18
8:32
+0:17
25.2M
25.20 mi14:22:443:30:298:213:06
8:59
+0:27
Finish
26.22 mi14:31:113:38:568:218:27
8:18
-0:41

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

8:05 /mi

Average Pace

8:21 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:48

94% of race

Time at Steady Pace

12:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:18:3126:168:2726:16
8:27
#17253
10K
6.21 mi11:44:0651:518:2125:35
8:14
#16813
15K
9.32 mi12:09:431:17:288:1925:37
8:15
#16591
20K
12.43 mi12:35:101:42:558:1725:27
8:11
#16129
Half
13.11 mi12:40:411:48:268:165:31
8:05
#16066
25K
15.53 mi13:00:392:08:248:1619:58
8:14
#15787
30K
18.64 mi13:26:362:34:218:1725:57
8:21
#15337
20M
20.00 mi13:38:042:45:498:1711:28
8:26
#15171
21M
21.00 mi13:47:062:54:518:209:02
9:02
#15066
35K
21.75 mi13:53:173:01:028:196:11
8:16
#15016
23M
23.00 mi14:04:053:11:508:2010:48
8:38
#14934
24M
24.00 mi14:12:203:20:058:208:15
8:15
#14818
40K
24.85 mi14:19:383:27:238:217:18
8:32
#14735
25.2M
25.20 mi14:22:443:30:298:213:06
8:59
#14694
Finish
26.22 mi14:31:113:38:568:218:27
8:18
#14675
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi172536094609416184(Top 61%)5400(Top 47%)5400(Top 288%)
10K6.21 mi3.10 mi16813+4405785+3095785+30916492(Top 62%)5567(Top 49%)5567(Top 296%)
15K9.32 mi3.11 mi16591+2225660+1255660+12516184(Top 61%)5400(Top 47%)5400(Top 288%)
20K12.43 mi3.11 mi16129+4625384+2765384+27614922(Top 56%)4665(Top 41%)4665(Top 248%)
Half13.11 mi0.68 mi16066+635351+335351+3315095(Top 57%)4740(Top 41%)4740(Top 252%)
25K15.53 mi2.42 mi15787+2795203+1485203+14814505(Top 54%)4520(Top 40%)4520(Top 241%)
30K18.64 mi3.11 mi15337+4504972+2314972+23113378(Top 50%)3967(Top 35%)3967(Top 211%)
20M20.00 mi1.36 mi15171+1664887+854887+8513288(Top 50%)4020(Top 35%)4020(Top 214%)
21M21.00 mi1.00 mi15066+1054839+484839+4813627(Top 51%)4283(Top 37%)4283(Top 228%)
35K21.75 mi0.75 mi15016+504822+174822+1713942(Top 52%)4533(Top 40%)4533(Top 241%)
23M23.00 mi1.25 mi14934+824795+274795+2713958(Top 52%)4591(Top 40%)4591(Top 244%)
24M24.00 mi1.00 mi14818+1164742+534742+5312979(Top 49%)4131(Top 36%)4131(Top 220%)
40K24.85 mi0.85 mi14735+834723+194723+1913612(Top 51%)4533(Top 40%)4533(Top 241%)
25.2M25.20 mi0.35 mi14694+414705+184705+1812557(Top 47%)4016(Top 35%)4016(Top 214%)
Finish26.22 mi1.02 mi14675+194707-24707-214083(Top 53%)4787(Top 42%)4787(Top 255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16184

Females

5400

F40-44

5400

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16492

Females

5567

F40-44

5567

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16184

Females

5400

F40-44

5400

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14922

Females

4665

F40-44

4665

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15095

Females

4740

F40-44

4740

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14505

Females

4520

F40-44

4520

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13378

Females

3967

F40-44

3967

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13288

Females

4020

F40-44

4020

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13627

Females

4283

F40-44

4283

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13942

Females

4533

F40-44

4533

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13958

Females

4591

F40-44

4591

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12979

Females

4131

F40-44

4131

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13612

Females

4533

F40-44

4533

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12557

Females

4016

F40-44

4016

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14083

Females

4787

F40-44

4787

Passing Analysis

Category:
Athletes Passed
3110
Passed By
532
Net Change
+2578
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17253
5K → 10K597157+440#17253#16813
10K → 15K327105+222#16813#16591
15K → 20K48220+462#16591#16129
20K → Half7411+63#16129#16066
Half → 25K30122+279#16066#15787
25K → 30K46919+450#15787#15337
30K → 20M18115+166#15337#15171
20M → 21M13934+105#15171#15066
21M → 35K7424+50#15066#15016
35K → 23M11432+82#15016#14934
23M → 24M13115+116#14934#14818
24M → 40K10118+83#14818#14735
40K → 25.2M5110+41#14735#14694
25.2M → Finish6950+19#14694#14675
TOTALS3110532+2578
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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