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BOSTON MARATHON 2023

Stephanie Dyer

Bib: 7703•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 17%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F50-54)
#0 / 1207
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:13
Rank: #9405
Start → 5K
23:13 | 7:28/mi
10K· 6.21 mi
46:42
Rank: #10195 (-790)
5K → 10K
23:29 | 7:34/mi
15K· 9.32 mi
1:10:22
Rank: #10499 (-304)
10K → 15K
23:40 | 7:37/mi
20K· 12.43 mi
1:34:38
Rank: #10828 (-329)
15K → 20K
24:16 | 7:49/mi
Half· 13.11 mi
1:39:47
Rank: #10825 (+3)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:38
Rank: #10799 (+26)
Half → 25K
18:51 | 7:46/mi
30K· 18.64 mi
2:22:57
Rank: #10513 (+286)
25K → 30K
24:19 | 7:50/mi
20M
2:33:28
Rank: #10346 (+167)
30K → 20M
10:31 | 7:44/mi
21M
2:41:43
Rank: #10223 (+123)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:47:25
Rank: #10176 (+47)
21M → 35K
5:42 | 7:37/mi
23M
2:57:12
Rank: #10036 (+140)
35K → 23M
9:47 | 7:49/mi
24M
3:04:42
Rank: #9899 (+137)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
3:11:20
Rank: #9818 (+81)
24M → 40K
6:38 | 7:45/mi
25.2M
3:14:07
Rank: #9753 (+65)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:21:30
Rank: #9588 (+165)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:47
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:41:43
Pace7:46 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2523:137:2823:13
7:28
-
10K
6.21 mi10:50:5446:427:3123:29
7:34
+0:06
15K
9.32 mi11:14:341:10:227:3323:40
7:37
+0:03
20K
12.43 mi11:38:501:34:387:3724:16
7:49
+0:12
Half
13.11 mi11:43:591:39:477:375:09
7:33
-0:16
25K
15.53 mi12:02:501:58:387:3818:51
7:46
+0:13
30K
18.64 mi12:27:092:22:577:4024:19
7:50
+0:04
20M
20.00 mi12:37:402:33:287:4010:31
7:44
-0:06
21M
21.00 mi12:45:552:41:437:428:15
8:15
+0:31
35K
21.75 mi12:51:372:47:257:425:42
7:37
-0:38
23M
23.00 mi13:01:242:57:127:429:47
7:49
+0:12
24M
24.00 mi13:08:543:04:427:427:30
7:30
-0:19
40K
24.85 mi13:15:323:11:207:426:38
7:45
+0:15
25.2M
25.20 mi13:18:193:14:077:422:47
8:04
+0:19
Finish
26.22 mi13:25:423:21:307:417:23
7:15
-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

7:15 /mi

Average Pace

7:41 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:28

95% of race

Time at Steady Pace

11:02

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi10:27:2523:137:2823:13
7:28
#9405
10K
6.21 mi10:50:5446:427:3123:29
7:34
#10195
15K
9.32 mi11:14:341:10:227:3323:40
7:37
#10499
20K
12.43 mi11:38:501:34:387:3724:16
7:49
#10828
Half
13.11 mi11:43:591:39:477:375:09
7:33
#10825
25K
15.53 mi12:02:501:58:387:3818:51
7:46
#10799
30K
18.64 mi12:27:092:22:577:4024:19
7:50
#10513
20M
20.00 mi12:37:402:33:287:4010:31
7:44
#10346
21M
21.00 mi12:45:552:41:437:428:15
8:15
#10223
35K
21.75 mi12:51:372:47:257:425:42
7:37
#10176
23M
23.00 mi13:01:242:57:127:429:47
7:49
#10036
24M
24.00 mi13:08:543:04:427:427:30
7:30
#9899
40K
24.85 mi13:15:323:11:207:426:38
7:45
#9818
25.2M
25.20 mi13:18:193:14:077:422:47
8:04
#9753
Finish
26.22 mi13:25:423:21:307:417:23
7:15
#9588
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi94051583158311174(Top 42%)2442(Top 21%)2442(Top 202%)
10K6.21 mi3.10 mi10195-7901927-3441927-34410948(Top 41%)2284(Top 20%)2284(Top 189%)
15K9.32 mi3.11 mi10499-3042062-1352062-13511174(Top 42%)2442(Top 21%)2442(Top 202%)
20K12.43 mi3.11 mi10828-3292256-1942256-19411837(Top 44%)2865(Top 25%)2865(Top 237%)
Half13.11 mi0.68 mi10825+32256225610650(Top 40%)2188(Top 19%)2188(Top 181%)
25K15.53 mi2.42 mi10799+262250+62250+610900(Top 41%)2429(Top 21%)2429(Top 201%)
30K18.64 mi3.11 mi10513+2862159+912159+919577(Top 36%)1955(Top 17%)1955(Top 162%)
20M20.00 mi1.36 mi10346+1672090+692090+698462(Top 32%)1586(Top 14%)1586(Top 131%)
21M21.00 mi1.00 mi10223+1232055+352055+358935(Top 34%)1897(Top 17%)1897(Top 157%)
35K21.75 mi0.75 mi10176+472045+102045+109435(Top 35%)2112(Top 18%)2112(Top 175%)
23M23.00 mi1.25 mi10036+1402009+362009+368535(Top 32%)1810(Top 16%)1810(Top 150%)
24M24.00 mi1.00 mi9899+1371982+271982+277737(Top 29%)1577(Top 14%)1577(Top 131%)
40K24.85 mi0.85 mi9818+811977+51977+58411(Top 32%)1901(Top 17%)1901(Top 157%)
25.2M25.20 mi0.35 mi9753+651954+231954+237009(Top 26%)1432(Top 13%)1432(Top 119%)
Finish26.22 mi1.02 mi9588+1651911+431911+436760(Top 25%)1337(Top 12%)1337(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11174

Females

2442

F50-54

2442

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10948

Females

2284

F50-54

2284

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11174

Females

2442

F50-54

2442

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11837

Females

2865

F50-54

2865

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10650

Females

2188

F50-54

2188

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10900

Females

2429

F50-54

2429

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9577

Females

1955

F50-54

1955

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8462

Females

1586

F50-54

1586

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8935

Females

1897

F50-54

1897

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9435

Females

2112

F50-54

2112

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8535

Females

1810

F50-54

1810

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7737

Females

1577

F50-54

1577

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8411

Females

1901

F50-54

1901

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7009

Females

1432

F50-54

1432

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6760

Females

1337

F50-54

1337

Passing Analysis

Category:
Athletes Passed
1793*
Passed By
1975
Net Change
-183
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9405
5K → 10K73862-790#9405#10195
10K → 15K92396-304#10195#10499
15K → 20K61390-329#10499#10828
20K → Half2926+3#10828#10825
Half → 25K140114+26#10825#10799
25K → 30K33448+286#10799#10513
30K → 20M178*11+167#10513#10346
20M → 21M15431+123#10346#10223
21M → 35K6720+47#10223#10176
35K → 23M158*18+140#10176#10036
23M → 24M15316+137#10036#9899
24M → 40K10726+81#9899#9818
40K → 25.2M683+65#9818#9753
25.2M → Finish179*14+165#9753#9588
TOTALS1793*1975-183

* 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