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BOSTON MARATHON 2023

Emilia Brush

Bib: 26936•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
24:29
Rank: #13103
Start → 5K
24:29 | 7:53/mi
10K· 6.21 mi
49:14
Rank: #13775 (-672)
5K → 10K
24:45 | 7:58/mi
15K· 9.32 mi
1:15:02
Rank: #14761 (-986)
10K → 15K
25:48 | 8:18/mi
20K· 12.43 mi
1:41:36
Rank: #15415 (-654)
15K → 20K
26:34 | 8:33/mi
Half· 13.11 mi
1:47:33
Rank: #15623 (-208)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:09:11
Rank: #16148 (-525)
Half → 25K
21:38 | 8:55/mi
30K· 18.64 mi
2:37:39
Rank: #16508 (-360)
25K → 30K
28:28 | 9:10/mi
20M
2:50:21
Rank: #16651 (-143)
30K → 20M
12:42 | 9:21/mi
21M
3:00:03
Rank: #16656 (-5)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
3:06:43
Rank: #16678 (-22)
21M → 35K
6:40 | 8:55/mi
23M
3:18:16
Rank: #16703 (-25)
35K → 23M
11:33 | 9:13/mi
24M
3:27:11
Rank: #16701 (+2)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:34:55
Rank: #16699 (+2)
24M → 40K
7:44 | 9:03/mi
25.2M
3:38:17
Rank: #16681 (+18)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:47:16
Rank: #16691 (-10)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:33
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:59:43
Pace9:08 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:1224:297:5324:29
7:53
-
10K
6.21 mi12:05:5749:147:5524:45
7:58
+0:05
15K
9.32 mi12:31:451:15:028:0325:48
8:18
+0:20
20K
12.43 mi12:58:191:41:368:1126:34
8:33
+0:15
Half
13.11 mi13:04:161:47:338:125:57
8:43
+0:10
25K
15.53 mi13:25:542:09:118:1921:38
8:55
+0:12
30K
18.64 mi13:54:222:37:398:2728:28
9:10
+0:15
20M
20.00 mi14:07:042:50:218:3112:42
9:21
+0:11
21M
21.00 mi14:16:463:00:038:349:42
9:42
+0:21
35K
21.75 mi14:23:263:06:438:356:40
8:55
-0:47
23M
23.00 mi14:34:593:18:168:3711:33
9:13
+0:18
24M
24.00 mi14:43:543:27:118:388:55
8:55
-0:18
40K
24.85 mi14:51:383:34:558:397:44
9:03
+0:08
25.2M
25.20 mi14:55:003:38:178:403:22
9:46
+0:43
Finish
26.22 mi15:03:593:47:168:408:59
8:49
-0:57

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

7:53 /mi

Average Pace

8:40 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:36

45% of race

Time at Steady Pace

1:28:21

39% of race

Time at Slower Pace

37:19

16% of race

Average Pace: 8:40 /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 mi11:41:1224:297:5324:29
7:53
#13103
10K
6.21 mi12:05:5749:147:5524:45
7:58
#13775
15K
9.32 mi12:31:451:15:028:0325:48
8:18
#14761
20K
12.43 mi12:58:191:41:368:1126:34
8:33
#15415
Half
13.11 mi13:04:161:47:338:125:57
8:43
#15623
25K
15.53 mi13:25:542:09:118:1921:38
8:55
#16148
30K
18.64 mi13:54:222:37:398:2728:28
9:10
#16508
20M
20.00 mi14:07:042:50:218:3112:42
9:21
#16651
21M
21.00 mi14:16:463:00:038:349:42
9:42
#16656
35K
21.75 mi14:23:263:06:438:356:40
8:55
#16678
23M
23.00 mi14:34:593:18:168:3711:33
9:13
#16703
24M
24.00 mi14:43:543:27:118:388:55
8:55
#16701
40K
24.85 mi14:51:383:34:558:397:44
9:03
#16699
25.2M
25.20 mi14:55:003:38:178:403:22
9:46
#16681
Finish
26.22 mi15:03:593:47:168:408:59
8:49
#16691
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131033506350616575(Top 62%)5647(Top 49%)5647(Top 116%)
10K6.21 mi3.10 mi13775-6723914-4083914-40814565(Top 55%)4401(Top 39%)4401(Top 90%)
15K9.32 mi3.11 mi14761-9864515-6014515-60116575(Top 62%)5647(Top 49%)5647(Top 116%)
20K12.43 mi3.11 mi15415-6544938-4234938-42317185(Top 65%)6039(Top 53%)6039(Top 124%)
Half13.11 mi0.68 mi15623-2085073-1355073-13519065(Top 72%)7107(Top 62%)7107(Top 146%)
25K15.53 mi2.42 mi16148-5255425-3525425-35218577(Top 70%)6894(Top 60%)6894(Top 141%)
30K18.64 mi3.11 mi16508-3605687-2625687-26217993(Top 68%)6644(Top 58%)6644(Top 136%)
20M20.00 mi1.36 mi16651-1435782-955782-9518220(Top 68%)6857(Top 60%)6857(Top 140%)
21M21.00 mi1.00 mi16656-55794-125794-1216861(Top 63%)6108(Top 53%)6108(Top 125%)
35K21.75 mi0.75 mi16678-225812-185812-1817510(Top 66%)6552(Top 57%)6552(Top 134%)
23M23.00 mi1.25 mi16703-255850-385850-3817185(Top 65%)6387(Top 56%)6387(Top 131%)
24M24.00 mi1.00 mi16701+25863-135863-1316867(Top 63%)6282(Top 55%)6282(Top 129%)
40K24.85 mi0.85 mi16699+25881-185881-1816415(Top 62%)6088(Top 53%)6088(Top 125%)
25.2M25.20 mi0.35 mi16681+185878+35878+316416(Top 62%)6110(Top 53%)6110(Top 125%)
Finish26.22 mi1.02 mi16691-105893-155893-1517130(Top 64%)6445(Top 56%)6445(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16575

Females

5647

F18-39

5647

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14565

Females

4401

F18-39

4401

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16575

Females

5647

F18-39

5647

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17185

Females

6039

F18-39

6039

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19065

Females

7107

F18-39

7107

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18577

Females

6894

F18-39

6894

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17993

Females

6644

F18-39

6644

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18220

Females

6857

F18-39

6857

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16861

Females

6108

F18-39

6108

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17510

Females

6552

F18-39

6552

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17185

Females

6387

F18-39

6387

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16867

Females

6282

F18-39

6282

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16415

Females

6088

F18-39

6088

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16416

Females

6110

F18-39

6110

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17130

Females

6445

F18-39

6445

Passing Analysis

Category:
Athletes Passed
761
Passed By
4349
Net Change
-3588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13103
5K → 10K88760-672#13103#13775
10K → 15K261012-986#13775#14761
15K → 20K42696-654#14761#15415
20K → Half7215-208#15415#15623
Half → 25K46571-525#15623#16148
25K → 30K88448-360#16148#16508
30K → 20M39182-143#16508#16651
20M → 21M8590-5#16651#16656
21M → 35K4062-22#16656#16678
35K → 23M78103-25#16678#16703
23M → 24M6462+2#16703#16701
24M → 40K5856+2#16701#16699
40K → 25.2M3820+18#16699#16681
25.2M → Finish6272-10#16681#16691
TOTALS7614349-3588
📊

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