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BOSTON MARATHON 2023

Brooke Lorentz

Bib: 6293•F

TX

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0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #10852
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
47:18
Rank: #11016 (-164)
5K → 10K
23:35 | 7:35/mi
15K· 9.32 mi
1:10:49
Rank: #10909 (+107)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:34:06
Rank: #10453 (+456)
15K → 20K
23:17 | 7:30/mi
Half· 13.11 mi
1:38:55
Rank: #10250 (+203)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:56:25
Rank: #9598 (+652)
Half → 25K
17:30 | 7:13/mi
30K· 18.64 mi
2:18:45
Rank: #8704 (+894)
25K → 30K
22:20 | 7:11/mi
20M
2:28:19
Rank: #8283 (+421)
30K → 20M
9:34 | 7:02/mi
21M
2:35:31
Rank: #7907 (+376)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:40:41
Rank: #7763 (+144)
21M → 35K
5:10 | 6:54/mi
23M
2:49:47
Rank: #7550 (+213)
35K → 23M
9:06 | 7:16/mi
24M
2:56:53
Rank: #7414 (+136)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
3:03:00
Rank: #7285 (+129)
24M → 40K
6:07 | 7:09/mi
25.2M
3:05:38
Rank: #7216 (+69)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:12:41
Rank: #7060 (+156)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:55
Pace7:33 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:33:46
Pace7:09 /mi
📊Negative Split: 5.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0623:437:3823:43
7:38
-
10K
6.21 mi10:50:4147:187:3723:35
7:35
-0:03
15K
9.32 mi11:14:121:10:497:3623:31
7:34
-0:01
20K
12.43 mi11:37:291:34:067:3423:17
7:30
-0:04
Half
13.11 mi11:42:181:38:557:334:49
7:04
-0:26
25K
15.53 mi11:59:481:56:257:3017:30
7:13
+0:09
30K
18.64 mi12:22:082:18:457:2722:20
7:11
-0:02
20M
20.00 mi12:31:422:28:197:259:34
7:02
-0:09
21M
21.00 mi12:38:542:35:317:247:12
7:12
+0:10
35K
21.75 mi12:44:042:40:417:235:10
6:54
-0:18
23M
23.00 mi12:53:102:49:477:239:06
7:16
+0:22
24M
24.00 mi13:00:162:56:537:227:06
7:06
-0:10
40K
24.85 mi13:06:233:03:007:226:07
7:09
+0:03
25.2M
25.20 mi13:09:013:05:387:222:38
7:38
+0:29
Finish
26.22 mi13:16:043:12:417:217:03
6:55
-0:43

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

6:54 /mi

Average Pace

7:21 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:20

86% of race

Time at Steady Pace

26:21

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:27:0623:437:3823:43
7:38
#10852
10K
6.21 mi10:50:4147:187:3723:35
7:35
#11016
15K
9.32 mi11:14:121:10:497:3623:31
7:34
#10909
20K
12.43 mi11:37:291:34:067:3423:17
7:30
#10453
Half
13.11 mi11:42:181:38:557:334:49
7:04
#10250
25K
15.53 mi11:59:481:56:257:3017:30
7:13
#9598
30K
18.64 mi12:22:082:18:457:2722:20
7:11
#8704
20M
20.00 mi12:31:422:28:197:259:34
7:02
#8283
21M
21.00 mi12:38:542:35:317:247:12
7:12
#7907
35K
21.75 mi12:44:042:40:417:235:10
6:54
#7763
23M
23.00 mi12:53:102:49:477:239:06
7:16
#7550
24M
24.00 mi13:00:162:56:537:227:06
7:06
#7414
40K
24.85 mi13:06:233:03:007:226:07
7:09
#7285
25.2M
25.20 mi13:09:013:05:387:222:38
7:38
#7216
Finish
26.22 mi13:16:043:12:417:217:03
6:55
#7060
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi108522248224810758(Top 40%)2205(Top 19%)2205(Top 45%)
10K6.21 mi3.10 mi11016-1642333-852333-8511237(Top 42%)2449(Top 21%)2449(Top 50%)
15K9.32 mi3.11 mi10909+1072283+502283+5010758(Top 40%)2205(Top 19%)2205(Top 45%)
20K12.43 mi3.11 mi10453+4562045+2382045+2389273(Top 35%)1585(Top 14%)1585(Top 32%)
Half13.11 mi0.68 mi10250+2031952+931952+936978(Top 26%)762(Top 7%)762(Top 16%)
25K15.53 mi2.42 mi9598+6521685+2671685+2676794(Top 26%)785(Top 7%)785(Top 16%)
30K18.64 mi3.11 mi8704+8941371+3141371+3145445(Top 20%)489(Top 4%)489(Top 10%)
20M20.00 mi1.36 mi8283+4211243+1281243+1284298(Top 16%)336(Top 3%)336(Top 7%)
21M21.00 mi1.00 mi7907+3761108+1351108+1353152(Top 12%)210(Top 2%)210(Top 4%)
35K21.75 mi0.75 mi7763+1441067+411067+414872(Top 18%)488(Top 4%)488(Top 10%)
23M23.00 mi1.25 mi7550+2131019+481019+485173(Top 19%)582(Top 5%)582(Top 12%)
24M24.00 mi1.00 mi7414+136993+26993+265231(Top 20%)640(Top 6%)640(Top 13%)
40K24.85 mi0.85 mi7285+129969+24969+244679(Top 18%)561(Top 5%)561(Top 11%)
25.2M25.20 mi0.35 mi7216+69955+14955+144645(Top 17%)617(Top 5%)617(Top 13%)
Finish26.22 mi1.02 mi7060+156934+21934+214767(Top 18%)652(Top 6%)652(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10758

Females

2205

F18-39

2205

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11237

Females

2449

F18-39

2449

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10758

Females

2205

F18-39

2205

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9273

Females

1585

F18-39

1585

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6978

Females

762

F18-39

762

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6794

Females

785

F18-39

785

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5445

Females

489

F18-39

489

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4298

Females

336

F18-39

336

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3152

Females

210

F18-39

210

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4872

Females

488

F18-39

488

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5173

Females

582

F18-39

582

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5231

Females

640

F18-39

640

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4679

Females

561

F18-39

561

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4645

Females

617

F18-39

617

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4767

Females

652

F18-39

652

Passing Analysis

Category:
Athletes Passed
4357*
Passed By
565
Net Change
+3792
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10852
5K → 10K215379-164#10852#11016
10K → 15K234127+107#11016#10909
15K → 20K47721+456#10909#10453
20K → Half2030+203#10453#10250
Half → 25K652*0+652#10250#9598
25K → 30K896*2+894#9598#8704
30K → 20M4210+421#8704#8283
20M → 21M3760+376#8283#7907
21M → 35K1462+144#7907#7763
35K → 23M2185+213#7763#7550
23M → 24M1459+136#7550#7414
24M → 40K1345+129#7414#7285
40K → 25.2M734+69#7285#7216
25.2M → Finish16711+156#7216#7060
TOTALS4357*565+3792

* 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