Boston Marathon logo
BOSTON MARATHON 2023

Brooke Bratrud

Bib: 18095•F

MN

0:00
0:00
/ mi
Be the first to cheer!
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
25:42
Rank: #15973
Start → 5K
25:42 | 8:16/mi
10K· 6.21 mi
50:44
Rank: #15590 (+383)
5K → 10K
25:02 | 8:03/mi
15K· 9.32 mi
1:16:26
Rank: #15833 (-243)
10K → 15K
25:42 | 8:16/mi
20K· 12.43 mi
1:42:28
Rank: #15892 (-59)
15K → 20K
26:02 | 8:23/mi
Half· 13.11 mi
1:48:09
Rank: #15912 (-20)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:08:52
Rank: #16003 (-91)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:37:00
Rank: #16308 (-305)
25K → 30K
28:08 | 9:03/mi
20M
2:49:33
Rank: #16392 (-84)
30K → 20M
12:33 | 9:14/mi
21M
2:59:04
Rank: #16360 (+32)
20M → 21M
9:31 | 9:31/mi
35K· 21.75 mi
3:05:50
Rank: #16421 (-61)
21M → 35K
6:46 | 9:03/mi
23M
3:17:19
Rank: #16450 (-29)
35K → 23M
11:29 | 9:10/mi
24M
3:26:14
Rank: #16477 (-27)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:33:56
Rank: #16441 (+36)
24M → 40K
7:42 | 9:00/mi
25.2M
3:37:17
Rank: #16423 (+18)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:46:05
Rank: #16399 (+24)
25.2M → Finish
8:48 | 8:38/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:09
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:57:56
Pace9:00 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2825:428:1625:42
8:16
-
10K
6.21 mi11:42:3050:448:1025:02
8:03
-0:13
15K
9.32 mi12:08:121:16:268:1225:42
8:16
+0:13
20K
12.43 mi12:34:141:42:288:1526:02
8:23
+0:07
Half
13.11 mi12:39:551:48:098:155:41
8:20
-0:03
25K
15.53 mi13:00:382:08:528:1820:43
8:33
+0:13
30K
18.64 mi13:28:462:37:008:2528:08
9:03
+0:30
20M
20.00 mi13:41:192:49:338:2912:33
9:14
+0:11
21M
21.00 mi13:50:502:59:048:329:31
9:31
+0:17
35K
21.75 mi13:57:363:05:508:336:46
9:03
-0:28
23M
23.00 mi14:09:053:17:198:3511:29
9:10
+0:07
24M
24.00 mi14:18:003:26:148:368:55
8:55
-0:15
40K
24.85 mi14:25:423:33:568:367:42
9:00
+0:05
25.2M
25.20 mi14:29:033:37:178:373:21
9:43
+0:43
Finish
26.22 mi14:37:513:46:058:388:48
8:38
-1:05

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

8:03 /mi

Average Pace

8:38 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:40

61% of race

Time at Steady Pace

51:31

23% of race

Time at Slower Pace

36:54

16% of race

Average Pace: 8:37 /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 mi11:17:2825:428:1625:42
8:16
#15973
10K
6.21 mi11:42:3050:448:1025:02
8:03
#15590
15K
9.32 mi12:08:121:16:268:1225:42
8:16
#15833
20K
12.43 mi12:34:141:42:288:1526:02
8:23
#15892
Half
13.11 mi12:39:551:48:098:155:41
8:20
#15912
25K
15.53 mi13:00:382:08:528:1820:43
8:33
#16003
30K
18.64 mi13:28:462:37:008:2528:08
9:03
#16308
20M
20.00 mi13:41:192:49:338:2912:33
9:14
#16392
21M
21.00 mi13:50:502:59:048:329:31
9:31
#16360
35K
21.75 mi13:57:363:05:508:336:46
9:03
#16421
23M
23.00 mi14:09:053:17:198:3511:29
9:10
#16450
24M
24.00 mi14:18:003:26:148:368:55
8:55
#16477
40K
24.85 mi14:25:423:33:568:367:42
9:00
#16441
25.2M
25.20 mi14:29:033:37:178:373:21
9:43
#16423
Finish
26.22 mi14:37:513:46:058:388:48
8:38
#16399
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi159735263526316366(Top 61%)5514(Top 48%)5514(Top 113%)
10K6.21 mi3.10 mi15590+3835025+2385025+23815238(Top 57%)4825(Top 42%)4825(Top 99%)
15K9.32 mi3.11 mi15833-2435174-1495174-14916366(Top 61%)5514(Top 48%)5514(Top 113%)
20K12.43 mi3.11 mi15892-595238-645238-6416133(Top 61%)5435(Top 48%)5435(Top 111%)
Half13.11 mi0.68 mi15912-205251-135251-1316716(Top 63%)5727(Top 50%)5727(Top 117%)
25K15.53 mi2.42 mi16003-915342-915342-9116472(Top 62%)5705(Top 50%)5705(Top 117%)
30K18.64 mi3.11 mi16308-3055575-2335575-23317466(Top 66%)6331(Top 55%)6331(Top 130%)
20M20.00 mi1.36 mi16392-845642-675642-6717721(Top 67%)6585(Top 58%)6585(Top 135%)
21M21.00 mi1.00 mi16360+325632+105632+1016055(Top 60%)5662(Top 50%)5662(Top 116%)
35K21.75 mi0.75 mi16421-615670-385670-3818086(Top 68%)6880(Top 60%)6880(Top 141%)
23M23.00 mi1.25 mi16450-295701-315701-3116921(Top 64%)6247(Top 55%)6247(Top 128%)
24M24.00 mi1.00 mi16477-275734-335734-3316865(Top 63%)6280(Top 55%)6280(Top 129%)
40K24.85 mi0.85 mi16441+365742-85742-816199(Top 61%)5970(Top 52%)5970(Top 122%)
25.2M25.20 mi0.35 mi16423+185735+75735+716231(Top 61%)5998(Top 53%)5998(Top 123%)
Finish26.22 mi1.02 mi16399+245720+155720+1516190(Top 61%)5932(Top 52%)5932(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16366

Females

5514

F18-39

5514

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15238

Females

4825

F18-39

4825

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16366

Females

5514

F18-39

5514

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16133

Females

5435

F18-39

5435

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16716

Females

5727

F18-39

5727

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16472

Females

5705

F18-39

5705

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17466

Females

6331

F18-39

6331

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17721

Females

6585

F18-39

6585

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

16055

Females

5662

F18-39

5662

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18086

Females

6880

F18-39

6880

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16921

Females

6247

F18-39

6247

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16865

Females

6280

F18-39

6280

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16199

Females

5970

F18-39

5970

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16231

Females

5998

F18-39

5998

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16190

Females

5932

F18-39

5932

Passing Analysis

Category:
Athletes Passed
1517
Passed By
1943
Net Change
-426
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15973
5K → 10K530147+383#15973#15590
10K → 15K99342-243#15590#15833
15K → 20K150209-59#15833#15892
20K → Half2444-20#15892#15912
Half → 25K109200-91#15912#16003
25K → 30K101406-305#16003#16308
30K → 20M61145-84#16308#16392
20M → 21M8957+32#16392#16360
21M → 35K2889-61#16360#16421
35K → 23M77106-29#16421#16450
23M → 24M5279-27#16450#16477
24M → 40K9054+36#16477#16441
40K → 25.2M3517+18#16441#16423
25.2M → Finish7248+24#16423#16399
TOTALS15171943-426
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing