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BOSTON MARATHON 2025

Brooke Lorentz

Bib: 12331•F

TX

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0:00
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:49
Rank: #8005
Start → 5K
21:49 | 7:01/mi
10K· 6.21 mi
43:19
Rank: #7667 (+338)
5K → 10K
21:30 | 6:55/mi
15K· 9.32 mi
1:04:29
Rank: #7220 (+447)
10K → 15K
21:10 | 6:49/mi
20K· 12.43 mi
1:25:46
Rank: #6834 (+386)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:30:23
Rank: #6791 (+43)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:50
Rank: #6397 (+394)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:08:39
Rank: #5995 (+402)
25K → 30K
21:49 | 7:01/mi
20M
2:18:21
Rank: #5858 (+137)
30K → 20M
9:42 | 7:08/mi
21M
2:25:59
Rank: #5768 (+90)
20M → 21M
7:38 | 7:38/mi
35K· 21.75 mi
2:31:13
Rank: #5720 (+48)
21M → 35K
5:14 | 7:00/mi
23M
2:40:07
Rank: #5564 (+156)
35K → 23M
8:54 | 7:06/mi
24M
2:47:12
Rank: #5499 (+65)
23M → 24M
7:05 | 7:05/mi
40K· 24.85 mi
2:53:22
Rank: #5433 (+66)
24M → 40K
6:10 | 7:13/mi
25.2M
2:56:08
Rank: #5409 (+24)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:03:30
Rank: #5417 (-8)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:23
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:33:07
Pace7:06 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1721:497:0121:49
7:01
-
10K
6.21 mi11:10:4743:196:5821:30
6:55
-0:06
15K
9.32 mi11:31:571:04:296:5521:10
6:49
-0:06
20K
12.43 mi11:53:141:25:466:5421:17
6:51
+0:02
Half
13.11 mi11:57:511:30:236:544:37
6:46
-0:05
25K
15.53 mi12:14:181:46:506:5316:27
6:47
+0:01
30K
18.64 mi12:36:072:08:396:5421:49
7:01
+0:14
20M
20.00 mi12:45:492:18:216:559:42
7:08
+0:07
21M
21.00 mi12:53:272:25:596:577:38
7:38
+0:30
35K
21.75 mi12:58:412:31:136:575:14
7:00
-0:38
23M
23.00 mi13:07:352:40:076:588:54
7:06
+0:06
24M
24.00 mi13:14:402:47:126:587:05
7:05
-0:01
40K
24.85 mi13:20:502:53:226:596:10
7:13
+0:08
25.2M
25.20 mi13:23:362:56:086:592:46
8:01
+0:48
Finish
26.22 mi13:30:583:03:307:007:22
7:14
-0:47

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

6:46 /mi

Average Pace

7:00 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:06

94% of race

Time at Steady Pace

7:38

4% of race

Time at Slower Pace

2:46

2% of race

Average Pace: 7:00 /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 mi10:49:1721:497:0121:49
7:01
#8005
10K
6.21 mi11:10:4743:196:5821:30
6:55
#7667
15K
9.32 mi11:31:571:04:296:5521:10
6:49
#7220
20K
12.43 mi11:53:141:25:466:5421:17
6:51
#6834
Half
13.11 mi11:57:511:30:236:544:37
6:46
#6791
25K
15.53 mi12:14:181:46:506:5316:27
6:47
#6397
30K
18.64 mi12:36:072:08:396:5421:49
7:01
#5995
20M
20.00 mi12:45:492:18:216:559:42
7:08
#5858
21M
21.00 mi12:53:272:25:596:577:38
7:38
#5768
35K
21.75 mi12:58:412:31:136:575:14
7:00
#5720
23M
23.00 mi13:07:352:40:076:588:54
7:06
#5564
24M
24.00 mi13:14:402:47:126:587:05
7:05
#5499
40K
24.85 mi13:20:502:53:226:596:10
7:13
#5433
25.2M
25.20 mi13:23:362:56:086:592:46
8:01
#5409
Finish
26.22 mi13:30:583:03:307:007:22
7:14
#5417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi80059809806225(Top 22%)571(Top 5%)571(Top 10%)
10K6.21 mi3.10 mi7667+338876+104876+1047403(Top 26%)807(Top 7%)807(Top 15%)
15K9.32 mi3.11 mi7220+447756+120756+1206225(Top 22%)571(Top 5%)571(Top 10%)
20K12.43 mi3.11 mi6834+386664+92664+925799(Top 20%)510(Top 4%)510(Top 9%)
Half13.11 mi0.68 mi6791+43657+7657+75936(Top 21%)534(Top 4%)534(Top 10%)
25K15.53 mi2.42 mi6397+394600+57600+574780(Top 17%)369(Top 3%)369(Top 7%)
30K18.64 mi3.11 mi5995+402544+56544+564842(Top 17%)421(Top 3%)421(Top 8%)
20M20.00 mi1.36 mi5858+137533+11533+114897(Top 17%)478(Top 4%)478(Top 9%)
21M21.00 mi1.00 mi5768+90520+13520+135316(Top 19%)691(Top 6%)691(Top 13%)
35K21.75 mi0.75 mi5720+48518+2518+25357(Top 19%)711(Top 6%)711(Top 13%)
23M23.00 mi1.25 mi5564+156505+13505+134408(Top 16%)508(Top 4%)508(Top 9%)
24M24.00 mi1.00 mi5499+65508-3508-35141(Top 18%)769(Top 6%)769(Top 14%)
40K24.85 mi0.85 mi5433+665085085138(Top 18%)821(Top 7%)821(Top 15%)
25.2M25.20 mi0.35 mi5409+24510-2510-26106(Top 21%)1264(Top 10%)1264(Top 23%)
Finish26.22 mi1.02 mi5417-8524-14524-147234(Top 25%)1733(Top 14%)1733(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6225

Females

571

F18-39

571

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7403

Females

807

F18-39

807

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6225

Females

571

F18-39

571

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5799

Females

510

F18-39

510

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5936

Females

534

F18-39

534

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4780

Females

369

F18-39

369

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4842

Females

421

F18-39

421

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4897

Females

478

F18-39

478

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5316

Females

691

F18-39

691

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5357

Females

711

F18-39

711

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4408

Females

508

F18-39

508

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5141

Females

769

F18-39

769

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5138

Females

821

F18-39

821

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6106

Females

1264

F18-39

1264

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7234

Females

1733

F18-39

1733

Passing Analysis

Category:
Athletes Passed
2884
Passed By
296
Net Change
+2588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8005
5K → 10K41476+338#8005#7667
10K → 15K45710+447#7667#7220
15K → 20K39913+386#7220#6834
20K → Half5310+43#6834#6791
Half → 25K4017+394#6791#6397
25K → 30K42018+402#6397#5995
30K → 20M15114+137#5995#5858
20M → 21M11222+90#5858#5768
21M → 35K6517+48#5768#5720
35K → 23M16812+156#5720#5564
23M → 24M8924+65#5564#5499
24M → 40K8115+66#5499#5433
40K → 25.2M3511+24#5433#5409
25.2M → Finish3947-8#5409#5417
TOTALS2884296+2588
📊

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