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BOSTON MARATHON 2023

Brittany Dyer

Bib: 19052•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
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
25:07
Rank: #14601
Start → 5K
25:07 | 8:05/mi
10K· 6.21 mi
49:16
Rank: #13817 (+784)
5K → 10K
24:09 | 7:46/mi
15K· 9.32 mi
1:13:36
Rank: #13552 (+265)
10K → 15K
24:20 | 7:50/mi
20K· 12.43 mi
1:38:15
Rank: #13377 (+175)
15K → 20K
24:39 | 7:56/mi
Half· 13.11 mi
1:43:43
Rank: #13416 (-39)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:03:29
Rank: #13467 (-51)
Half → 25K
19:46 | 8:09/mi
30K· 18.64 mi
2:30:08
Rank: #13717 (-250)
25K → 30K
26:39 | 8:35/mi
20M
2:41:58
Rank: #13819 (-102)
30K → 20M
11:50 | 8:42/mi
21M
2:51:49
Rank: #14087 (-268)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
2:57:57
Rank: #14036 (+51)
21M → 35K
6:08 | 8:12/mi
23M
3:09:27
Rank: #14228 (-192)
35K → 23M
11:30 | 9:11/mi
24M
3:17:51
Rank: #14199 (+29)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:25:20
Rank: #14217 (-18)
24M → 40K
7:29 | 8:45/mi
25.2M
3:28:29
Rank: #14195 (+22)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:37:12
Rank: #14242 (-47)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:43
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:53:29
Pace8:39 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4025:078:0525:07
8:05
-
10K
6.21 mi11:44:4949:167:5624:09
7:46
-0:19
15K
9.32 mi12:09:091:13:367:5424:20
7:50
+0:04
20K
12.43 mi12:33:481:38:157:5424:39
7:56
+0:06
Half
13.11 mi12:39:161:43:437:555:28
8:01
+0:05
25K
15.53 mi12:59:022:03:297:5719:46
8:09
+0:08
30K
18.64 mi13:25:412:30:088:0326:39
8:35
+0:26
20M
20.00 mi13:37:312:41:588:0611:50
8:42
+0:07
21M
21.00 mi13:47:222:51:498:119:51
9:51
+1:09
35K
21.75 mi13:53:302:57:578:116:08
8:12
-1:39
23M
23.00 mi14:05:003:09:278:1411:30
9:11
+0:59
24M
24.00 mi14:13:243:17:518:158:24
8:24
-0:47
40K
24.85 mi14:20:533:25:208:167:29
8:45
+0:21
25.2M
25.20 mi14:24:023:28:298:163:09
9:08
+0:23
Finish
26.22 mi14:32:453:37:128:178:43
8:33
-0:35

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

7:46 /mi

Average Pace

8:17 /mi

Slowest Pace

9:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:43

48% of race

Time at Steady Pace

1:09:40

32% of race

Time at Slower Pace

43:49

20% of race

Average Pace: 8:17 /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 mi11:20:4025:078:0525:07
8:05
#14601
10K
6.21 mi11:44:4949:167:5624:09
7:46
#13817
15K
9.32 mi12:09:091:13:367:5424:20
7:50
#13552
20K
12.43 mi12:33:481:38:157:5424:39
7:56
#13377
Half
13.11 mi12:39:161:43:437:555:28
8:01
#13416
25K
15.53 mi12:59:022:03:297:5719:46
8:09
#13467
30K
18.64 mi13:25:412:30:088:0326:39
8:35
#13717
20M
20.00 mi13:37:312:41:588:0611:50
8:42
#13819
21M
21.00 mi13:47:222:51:498:119:51
9:51
#14087
35K
21.75 mi13:53:302:57:578:116:08
8:12
#14036
23M
23.00 mi14:05:003:09:278:1411:30
9:11
#14228
24M
24.00 mi14:13:243:17:518:158:24
8:24
#14199
40K
24.85 mi14:20:533:25:208:167:29
8:45
#14217
25.2M
25.20 mi14:24:023:28:298:163:09
9:08
#14195
Finish
26.22 mi14:32:453:37:128:178:43
8:33
#14242
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146014392439213003(Top 49%)3481(Top 30%)3481(Top 71%)
10K6.21 mi3.10 mi13817+7843933+4593933+45912910(Top 48%)3383(Top 30%)3383(Top 69%)
15K9.32 mi3.11 mi13552+2653787+1463787+14613003(Top 49%)3481(Top 30%)3481(Top 71%)
20K12.43 mi3.11 mi13377+1753708+793708+7912919(Top 49%)3504(Top 31%)3504(Top 72%)
Half13.11 mi0.68 mi13416-393735-273735-2714546(Top 55%)4415(Top 39%)4415(Top 90%)
25K15.53 mi2.42 mi13467-513786-513786-5113909(Top 52%)4165(Top 36%)4165(Top 85%)
30K18.64 mi3.11 mi13717-2503970-1843970-18414785(Top 56%)4803(Top 42%)4803(Top 98%)
20M20.00 mi1.36 mi13819-1024049-794049-7914906(Top 56%)4933(Top 43%)4933(Top 101%)
21M21.00 mi1.00 mi14087-2684243-1944243-19417447(Top 66%)6449(Top 56%)6449(Top 132%)
35K21.75 mi0.75 mi14036+514223+204223+2013472(Top 51%)4271(Top 37%)4271(Top 87%)
23M23.00 mi1.25 mi14228-1924365-1424365-14216982(Top 64%)6274(Top 55%)6274(Top 128%)
24M24.00 mi1.00 mi14199+294371-64371-613897(Top 52%)4612(Top 40%)4612(Top 94%)
40K24.85 mi0.85 mi14217-184403-324403-3214838(Top 56%)5200(Top 46%)5200(Top 106%)
25.2M25.20 mi0.35 mi14195+224404-14404-113332(Top 50%)4403(Top 39%)4403(Top 90%)
Finish26.22 mi1.02 mi14242-474454-504454-5015745(Top 59%)5665(Top 50%)5665(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13003

Females

3481

F18-39

3481

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12910

Females

3383

F18-39

3383

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13003

Females

3481

F18-39

3481

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12919

Females

3504

F18-39

3504

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14546

Females

4415

F18-39

4415

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13909

Females

4165

F18-39

4165

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14785

Females

4803

F18-39

4803

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14906

Females

4933

F18-39

4933

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17447

Females

6449

F18-39

6449

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13472

Females

4271

F18-39

4271

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16982

Females

6274

F18-39

6274

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13897

Females

4612

F18-39

4612

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14838

Females

5200

F18-39

5200

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13332

Females

4403

F18-39

4403

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15745

Females

5665

F18-39

5665

Passing Analysis

Category:
Athletes Passed
2165
Passed By
1806
Net Change
+359
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14601
5K → 10K86177+784#14601#13817
10K → 15K34277+265#13817#13552
15K → 20K26994+175#13552#13377
20K → Half2160-39#13377#13416
Half → 25K124175-51#13416#13467
25K → 30K112362-250#13467#13717
30K → 20M66168-102#13717#13819
20M → 21M30298-268#13819#14087
21M → 35K7019+51#14087#14036
35K → 23M42234-192#14036#14228
23M → 24M8051+29#14228#14199
24M → 40K6179-18#14199#14217
40K → 25.2M3412+22#14217#14195
25.2M → Finish53100-47#14195#14242
TOTALS21651806+359
📊

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