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BOSTON MARATHON 2023

Lauren Brunner

Bib: 22687•F

WI

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:50/mi
27:28
↑ 97↓ 3451.5%
10K· 6.21 mi
8:41/mi
54:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:21:39
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:49:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:55:02
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:16:42
↑ 66↓ 880.2%
30K· 18.64 mi
9:26/mi
2:46:01
↑ 181↓ 1480.2%
20M
9:22/mi
2:58:45
↑ 64↓ 500.2%
21M
9:54/mi
3:08:39
↑ 106↓ 241.6%
35K· 21.75 mi
9:23/mi
3:15:40
↑ 17↓ 861.7%
23M
9:34/mi
3:27:39
↑ 23↓ 630.6%
24M
9:26/mi
3:37:05
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:44:58
↓ 200.3%
25.2M
9:57/mi
3:48:24
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:57:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:02
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:02:44
Pace9:22 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4127:288:5027:28
8:50
-
10K
6.21 mi11:48:3954:268:4626:58
8:41
-0:09
15K
9.32 mi12:15:521:21:398:4627:13
8:46
+0:05
20K
12.43 mi12:43:171:49:048:4727:25
8:49
+0:03
Half
13.11 mi12:49:151:55:028:465:58
8:45
-0:04
25K
15.53 mi13:10:552:16:428:4821:40
8:56
+0:11
30K
18.64 mi13:40:142:46:018:5429:19
9:26
+0:30
20M
20.00 mi13:52:582:58:458:5612:44
9:22
-0:04
21M
21.00 mi14:02:523:08:398:599:54
9:54
+0:32
35K
21.75 mi14:09:533:15:409:007:01
9:23
-0:31
23M
23.00 mi14:21:523:27:399:0211:59
9:34
+0:11
24M
24.00 mi14:31:183:37:059:039:26
9:26
-0:08
40K
24.85 mi14:39:113:44:589:037:53
9:13
-0:13
25.2M
25.20 mi14:42:373:48:249:043:26
9:57
+0:44
Finish
26.22 mi14:51:593:57:469:059:22
9:11
-0:46

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

8:41 /mi

Average Pace

9:05 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:27

89% of race

Time at Steady Pace

25:19

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:04 /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 mi11:21:4127:288:5027:28
8:50
#19686
10K
6.21 mi11:48:3954:268:4626:58
8:41
#19460
15K
9.32 mi12:15:521:21:398:4627:13
8:46
#19397
20K
12.43 mi12:43:171:49:048:4727:25
8:49
#19212
Half
13.11 mi12:49:151:55:028:465:58
8:45
#19200
25K
15.53 mi13:10:552:16:428:4821:40
8:56
#19087
30K
18.64 mi13:40:142:46:018:5429:19
9:26
#19135
20M
20.00 mi13:52:582:58:458:5612:44
9:22
#19068
21M
21.00 mi14:02:523:08:398:599:54
9:54
#18975
35K
21.75 mi14:09:533:15:409:007:01
9:23
#18993
23M
23.00 mi14:21:523:27:399:0211:59
9:34
#18970
24M
24.00 mi14:31:183:37:059:039:26
9:26
#18983
40K
24.85 mi14:39:113:44:589:037:53
9:13
#18916
25.2M
25.20 mi14:42:373:48:249:043:26
9:57
#18888
Finish
26.22 mi14:51:593:57:469:059:22
9:11
#18901
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi196867628762819305(Top 73%)7271(Top 64%)7271(Top 602%)
10K6.21 mi3.10 mi19460+2267437+1917437+19119317(Top 73%)7275(Top 64%)7275(Top 603%)
15K9.32 mi3.11 mi19397+637388+497388+4919305(Top 73%)7271(Top 64%)7271(Top 602%)
20K12.43 mi3.11 mi19212+1857245+1437245+14318817(Top 71%)6975(Top 61%)6975(Top 578%)
Half13.11 mi0.68 mi19200+127234+117234+1119237(Top 72%)7228(Top 63%)7228(Top 599%)
25K15.53 mi2.42 mi19087+1137166+687166+6818659(Top 70%)6940(Top 61%)6940(Top 575%)
30K18.64 mi3.11 mi19135-487216-507216-5019204(Top 72%)7305(Top 64%)7305(Top 605%)
20M20.00 mi1.36 mi19068+677190+267190+2618347(Top 69%)6937(Top 61%)6937(Top 575%)
21M21.00 mi1.00 mi18975+937152+387152+3817675(Top 66%)6574(Top 58%)6574(Top 545%)
35K21.75 mi0.75 mi18993-187174-227174-2219462(Top 73%)7635(Top 67%)7635(Top 633%)
23M23.00 mi1.25 mi18970+237167+77167+718622(Top 70%)7199(Top 63%)7199(Top 596%)
24M24.00 mi1.00 mi18983-137190-237190-2318989(Top 71%)7441(Top 65%)7441(Top 616%)
40K24.85 mi0.85 mi18916+677153+377153+3717217(Top 65%)6529(Top 57%)6529(Top 541%)
25.2M25.20 mi0.35 mi18888+287143+107143+1017260(Top 65%)6586(Top 58%)6586(Top 546%)
Finish26.22 mi1.02 mi18901-137152-97152-918891(Top 71%)7384(Top 65%)7384(Top 612%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19305

Females

7271

F50-54

7271

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19317

Females

7275

F50-54

7275

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19305

Females

7271

F50-54

7271

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18817

Females

6975

F50-54

6975

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19237

Females

7228

F50-54

7228

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18659

Females

6940

F50-54

6940

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19204

Females

7305

F50-54

7305

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18347

Females

6937

F50-54

6937

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17675

Females

6574

F50-54

6574

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19462

Females

7635

F50-54

7635

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18622

Females

7199

F50-54

7199

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18989

Females

7441

F50-54

7441

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17217

Females

6529

F50-54

6529

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17260

Females

6586

F50-54

6586

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18891

Females

7384

F50-54

7384

Passing Analysis

Category:
Athletes Passed
1866
Passed By
1081
Net Change
+785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19686
5K → 10K452226+226#19686#19460
10K → 15K220157+63#19460#19397
15K → 20K26075+185#19397#19212
20K → Half3523+12#19212#19200
Half → 25K16451+113#19200#19087
25K → 30K151199-48#19087#19135
30K → 20M11952+67#19135#19068
20M → 21M12128+93#19068#18975
21M → 35K4058-18#18975#18993
35K → 23M8461+23#18993#18970
23M → 24M5366-13#18970#18983
24M → 40K8619+67#18983#18916
40K → 25.2M4416+28#18916#18888
25.2M → Finish3750-13#18888#18901
TOTALS18661081+785
📊

Passing Visuals

Category:
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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