All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Bailey Brinkerhoff

Bib: 16768•F

CO

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:38
3.11 mi
Rank: #16417
Start → 5K
24:38 | 7:56/mi
10K
50:22
6.21 mi
Rank: #17813 (-1396)
5K → 10K
25:44 | 8:17/mi
15K
1:14:28
9.32 mi
Rank: #16973 (+840)
10K → 15K
24:06 | 7:46/mi
20K
1:39:31
12.43 mi
Rank: #16855 (+118)
15K → 20K
25:03 | 8:04/mi
HALF
1:45:08
13.11 mi
Rank: #16960 (-105)
20K → HALF
5:37 | 8:15/mi
25K
2:05:14
15.53 mi
Rank: #17010 (-50)
HALF → 25K
20:06 | 8:18/mi
30K
2:31:30
18.64 mi
Rank: #16897 (+113)
25K → 30K
26:16 | 8:28/mi
20M
2:45:06
20.00 mi
Rank: #17505 (-608)
30K → 20M
13:36 | 10:01/mi
21M
2:56:51
21.00 mi
Rank: #18201 (-696)
20M → 21M
11:45 | 11:45/mi
35K
3:02:55
21.75 mi
Rank: #18094 (+107)
21M → 35K
6:04 | 8:07/mi
23M
3:14:52
23.00 mi
Rank: #18287 (-193)
35K → 23M
11:57 | 9:33/mi
24M
3:23:23
24.00 mi
Rank: #18239 (+48)
23M → 24M
8:31 | 8:31/mi
40K
3:31:42
24.85 mi
Rank: #18371 (-132)
24M → 40K
8:19 | 9:44/mi
25.2M
3:35:10
25.20 mi
Rank: #18385 (-14)
40K → 25.2M
3:28 | 10:04/mi
FINISH
3:45:11
26.22 mi
Rank: #18672 (-287)
25.2M → FINISH
10:01 | 9:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:08
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:00:03
Pace9:10 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0624:387:5624:38
7:56
-
10K
6.21 mi12:12:5050:228:0725:44
8:17
+0:21
15K
9.32 mi12:36:561:14:288:0024:06
7:46
-0:31
20K
12.43 mi13:01:591:39:318:0125:03
8:04
+0:18
HALF
13.11 mi13:07:361:45:088:025:37
8:15
+0:11
25K
15.53 mi13:27:422:05:148:0420:06
8:18
+0:03
30K
18.64 mi13:53:582:31:308:0826:16
8:28
+0:10
20M
20.00 mi14:07:342:45:068:1613:36
10:01
+1:33
21M
21.00 mi14:19:192:56:518:2611:45
11:45
+1:44
35K
21.75 mi14:25:233:02:558:256:04
8:07
-3:38
23M
23.00 mi14:37:203:14:528:2911:57
9:33
+1:26
24M
24.00 mi14:45:513:23:238:298:31
8:31
-1:02
40K
24.85 mi14:54:103:31:428:328:19
9:44
+1:13
25.2M
25.20 mi14:57:383:35:108:333:28
10:04
+0:20
FINISH
26.22 mi15:07:393:45:118:3610:01
9:50
-0:14

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:46 /mi

Average Pace

8:36 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

24:06

11% of race

Time at Steady Pace

2:21:59

63% of race

Time at Slower Pace

59:06

26% of race

Average Pace: 8:35 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:47:0624:387:5624:38
7:56
#16417
10K
6.21 mi12:12:5050:228:0725:44
8:17
#17813
15K
9.32 mi12:36:561:14:288:0024:06
7:46
#16973
20K
12.43 mi13:01:591:39:318:0125:03
8:04
#16855
HALF
13.11 mi13:07:361:45:088:025:37
8:15
#16960
25K
15.53 mi13:27:422:05:148:0420:06
8:18
#17010
30K
18.64 mi13:53:582:31:308:0826:16
8:28
#16897
20M
20.00 mi14:07:342:45:068:1613:36
10:01
#17505
21M
21.00 mi14:19:192:56:518:2611:45
11:45
#18201
35K
21.75 mi14:25:233:02:558:256:04
8:07
#18094
23M
23.00 mi14:37:203:14:528:2911:57
9:33
#18287
24M
24.00 mi14:45:513:23:238:298:31
8:31
#18239
40K
24.85 mi14:54:103:31:428:328:19
9:44
#18371
25.2M
25.20 mi14:57:383:35:108:333:28
10:04
#18385
FINISH
26.22 mi15:07:393:45:118:3610:01
9:50
#18672
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi164175577557715001(Top 52%)4744(Top 38%)4744(Top 83%)
10K6.21 mi3.10 mi17813-13966382-8056382-80519081(Top 66%)7071(Top 56%)7071(Top 124%)
15K9.32 mi3.11 mi16973+8405916+4665916+46615001(Top 52%)4744(Top 38%)4744(Top 83%)
20K12.43 mi3.11 mi16855+1185851+655851+6516613(Top 57%)5718(Top 45%)5718(Top 100%)
HALF13.11 mi0.68 mi16960-1055915-645915-6418686(Top 64%)6876(Top 55%)6876(Top 120%)
25K15.53 mi2.42 mi17010-505953-385953-3817379(Top 60%)6219(Top 49%)6219(Top 109%)
30K18.64 mi3.11 mi16897+1135904+495904+4916626(Top 57%)5891(Top 47%)5891(Top 103%)
20M20.00 mi1.36 mi17505-6086265-3616265-36122615(Top 78%)9162(Top 73%)9162(Top 160%)
21M21.00 mi1.00 mi18201-6966697-4326697-43224641(Top 85%)10313(Top 82%)10313(Top 180%)
35K21.75 mi0.75 mi18094+1076649+486649+4815289(Top 53%)5362(Top 43%)5362(Top 94%)
23M23.00 mi1.25 mi18287-1936774-1256774-12520750(Top 71%)8332(Top 66%)8332(Top 146%)
24M24.00 mi1.00 mi18239+486767+76767+717043(Top 59%)6504(Top 52%)6504(Top 114%)
40K24.85 mi0.85 mi18371-1326847-806847-8021127(Top 73%)8637(Top 69%)8637(Top 151%)
25.2M25.20 mi0.35 mi18385-146864-176864-1719617(Top 68%)7872(Top 63%)7872(Top 138%)
FINISH26.22 mi1.02 mi18672-2877047-1837047-18323365(Top 81%)9787(Top 78%)9787(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15001

Females

4744

F18-39

4744

5K→10K

3.1 - 6.2 mi

Top 66%
×5
+79ft-138ft

Overall

19081

Females

7071

F18-39

7071

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15001

Females

4744

F18-39

4744

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16613

Females

5718

F18-39

5718

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18686

Females

6876

F18-39

6876

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17379

Females

6219

F18-39

6219

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16626

Females

5891

F18-39

5891

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22615

Females

9162

F18-39

9162

20M→21M

20.0 - 21.0 mi

Top 85%
×8
+106ft-24ft

Overall

24641

Females

10313

F18-39

10313

21M→35K

21.0 - 21.8 mi

Top 53%
×7
+17ft-86ft

Overall

15289

Females

5362

F18-39

5362

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20750

Females

8332

F18-39

8332

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17043

Females

6504

F18-39

6504

24M→40K

24.0 - 24.9 mi

Top 73%
×1
+6ft-20ft

Overall

21127

Females

8637

F18-39

8637

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1
+13ft-16ft

Overall

19617

Females

7872

F18-39

7872

25.2M→FINISH

25.2 - 26.2 mi

Top 81%
×2
+22ft-21ft

Overall

23365

Females

9787

F18-39

9787

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1813*
Passed By
1785
Net Change
-2255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16417
5K → 10K21200-1396#16417#17813
10K → 15K851*11+840#17813#16973
15K → 20K227*109+118#16973#16855
20K → HALF11116-105#16855#16960
HALF → 25K119169-50#16960#17010
25K → 30K249*136+113#17010#16897
30K → 20M11200-608#16897#17505
20M → 21M5200-696#17505#18201
21M → 35K1147+107#18201#18094
35K → 23M52200-193#18094#18287
23M → 24M8335+48#18287#18239
24M → 40K24156-132#18239#18371
40K → 25.2M3246-14#18371#18385
25.2M → FINISH14200-287#18385#18672
TOTALS1813*1785-2255

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

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

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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