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BOSTON MARATHON 2023

Lauren Bruns

Bib: 7099•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
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
24:47
Rank: #13868
Start → 5K
24:47 | 7:59/mi
10K· 6.21 mi
49:44
Rank: #14425 (-557)
5K → 10K
24:57 | 8:02/mi
15K· 9.32 mi
1:15:00
Rank: #14720 (-295)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:40:33
Rank: #14800 (-80)
15K → 20K
25:33 | 8:13/mi
Half· 13.11 mi
1:46:06
Rank: #14832 (-32)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:08:38
Rank: #15910 (-1078)
Half → 25K
22:32 | 9:18/mi
30K· 18.64 mi
2:34:43
Rank: #15477 (+433)
25K → 30K
26:05 | 8:24/mi
20M
2:46:03
Rank: #15251 (+226)
30K → 20M
11:20 | 8:20/mi
21M
2:54:57
Rank: #15092 (+159)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
3:01:01
Rank: #15011 (+81)
21M → 35K
6:04 | 8:07/mi
23M
3:11:27
Rank: #14826 (+185)
35K → 23M
10:26 | 8:20/mi
24M
3:19:31
Rank: #14675 (+151)
23M → 24M
8:04 | 8:04/mi
40K· 24.85 mi
3:26:36
Rank: #14544 (+131)
24M → 40K
7:05 | 8:17/mi
25.2M
3:29:39
Rank: #14492 (+52)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:37:47
Rank: #14384 (+108)
25.2M → Finish
8:08 | 7:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:06
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:51:41
Pace8:31 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:4724:477:5924:47
7:59
-
10K
6.21 mi10:54:4449:448:0024:57
8:02
+0:03
15K
9.32 mi11:20:001:15:008:0325:16
8:08
+0:06
20K
12.43 mi11:45:331:40:338:0525:33
8:13
+0:05
Half
13.11 mi11:51:061:46:068:065:33
8:08
-0:05
25K
15.53 mi12:13:382:08:388:1722:32
9:18
+1:10
30K
18.64 mi12:39:432:34:438:1826:05
8:24
-0:54
20M
20.00 mi12:51:032:46:038:1811:20
8:20
-0:04
21M
21.00 mi12:59:572:54:578:208:54
8:54
+0:34
35K
21.75 mi13:06:013:01:018:196:04
8:07
-0:47
23M
23.00 mi13:16:273:11:278:1910:26
8:20
+0:13
24M
24.00 mi13:24:313:19:318:198:04
8:04
-0:16
40K
24.85 mi13:31:363:26:368:197:05
8:17
+0:13
25.2M
25.20 mi13:34:393:29:398:193:03
8:51
+0:34
Finish
26.22 mi13:42:473:37:478:198:08
7:59
-0:52

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

7:59 /mi

Average Pace

8:19 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:18

84% of race

Time at Steady Pace

34:29

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:18 /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 mi10:29:4724:477:5924:47
7:59
#13868
10K
6.21 mi10:54:4449:448:0024:57
8:02
#14425
15K
9.32 mi11:20:001:15:008:0325:16
8:08
#14720
20K
12.43 mi11:45:331:40:338:0525:33
8:13
#14800
Half
13.11 mi11:51:061:46:068:065:33
8:08
#14832
25K
15.53 mi12:13:382:08:388:1722:32
9:18
#15910
30K
18.64 mi12:39:432:34:438:1826:05
8:24
#15477
20M
20.00 mi12:51:032:46:038:1811:20
8:20
#15251
21M
21.00 mi12:59:572:54:578:208:54
8:54
#15092
35K
21.75 mi13:06:013:01:018:196:04
8:07
#15011
23M
23.00 mi13:16:273:11:278:1910:26
8:20
#14826
24M
24.00 mi13:24:313:19:318:198:04
8:04
#14675
40K
24.85 mi13:31:363:26:368:197:05
8:17
#14544
25.2M
25.20 mi13:34:393:29:398:193:03
8:51
#14492
Finish
26.22 mi13:42:473:37:478:198:08
7:59
#14384
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138683944394415385(Top 58%)4899(Top 43%)4899(Top 100%)
10K6.21 mi3.10 mi14425-5574298-3544298-35415025(Top 56%)4694(Top 41%)4694(Top 96%)
15K9.32 mi3.11 mi14720-2954488-1904488-19015385(Top 58%)4899(Top 43%)4899(Top 100%)
20K12.43 mi3.11 mi14800-804553-654553-6515123(Top 57%)4786(Top 42%)4786(Top 98%)
Half13.11 mi0.68 mi14832-324580-274580-2715360(Top 58%)4894(Top 43%)4894(Top 100%)
25K15.53 mi2.42 mi15910-10785277-6975277-69720185(Top 76%)7795(Top 68%)7795(Top 160%)
30K18.64 mi3.11 mi15477+4335057+2205057+22013683(Top 51%)4145(Top 36%)4145(Top 85%)
20M20.00 mi1.36 mi15251+2264944+1134944+11312646(Top 48%)3666(Top 32%)3666(Top 75%)
21M21.00 mi1.00 mi15092+1594855+894855+8912873(Top 48%)3881(Top 34%)3881(Top 79%)
35K21.75 mi0.75 mi15011+814819+364819+3612909(Top 48%)3962(Top 35%)3962(Top 81%)
23M23.00 mi1.25 mi14826+1854736+834736+8312171(Top 46%)3621(Top 32%)3621(Top 74%)
24M24.00 mi1.00 mi14675+1514664+724664+7211752(Top 44%)3471(Top 30%)3471(Top 71%)
40K24.85 mi0.85 mi14544+1314602+624602+6211980(Top 45%)3670(Top 32%)3670(Top 75%)
25.2M25.20 mi0.35 mi14492+524583+194583+1911701(Top 44%)3597(Top 31%)3597(Top 74%)
Finish26.22 mi1.02 mi14384+1084534+494534+4912033(Top 45%)3731(Top 33%)3731(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15385

Females

4899

F18-39

4899

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15025

Females

4694

F18-39

4694

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15385

Females

4899

F18-39

4899

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15123

Females

4786

F18-39

4786

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15360

Females

4894

F18-39

4894

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20185

Females

7795

F18-39

7795

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13683

Females

4145

F18-39

4145

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12646

Females

3666

F18-39

3666

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12873

Females

3881

F18-39

3881

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12909

Females

3962

F18-39

3962

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12171

Females

3621

F18-39

3621

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11752

Females

3471

F18-39

3471

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11980

Females

3670

F18-39

3670

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11701

Females

3597

F18-39

3597

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12033

Females

3731

F18-39

3731

Passing Analysis

Category:
Athletes Passed
2028
Passed By
2544
Net Change
-516
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13868
5K → 10K99656-557#13868#14425
10K → 15K107402-295#14425#14720
15K → 20K159239-80#14720#14800
20K → Half2254-32#14800#14832
Half → 25K101088-1078#14832#15910
25K → 30K46128+433#15910#15477
30K → 20M2337+226#15477#15251
20M → 21M17617+159#15251#15092
21M → 35K9110+81#15092#15011
35K → 23M19510+185#15011#14826
23M → 24M1565+151#14826#14675
24M → 40K1365+131#14675#14544
40K → 25.2M586+52#14544#14492
25.2M → Finish12517+108#14492#14384
TOTALS20282544-516
📊

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