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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Brianna Fast

Bib: 29345 •F •Age: N/A

MD

Boston Marathon logo
0:00
0:00
/ mi
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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
31:27
3.11 mi
Rank: #26277
Start → 5K
31:27 | 10:08/mi
10K
1:02:35
6.21 mi
Rank: #26093 (+184)
5K → 10K
31:08 | 10:02/mi
15K
1:31:53
9.32 mi
Rank: #25477 (+616)
10K → 15K
29:18 | 9:26/mi
20K
2:01:26
12.43 mi
Rank: #25039 (+438)
15K → 20K
29:33 | 9:31/mi
HALF
2:07:50
13.11 mi
Rank: #24990 (+49)
20K → HALF
6:24 | 9:24/mi
25K
2:31:03
15.53 mi
Rank: #24709 (+281)
HALF → 25K
23:13 | 9:35/mi
30K
3:01:43
18.64 mi
Rank: #24348 (+361)
25K → 30K
30:40 | 9:53/mi
20M
3:15:02
20.00 mi
Rank: #24173 (+175)
30K → 20M
13:19 | 9:49/mi
21M
3:25:14
21.00 mi
Rank: #23984 (+189)
20M → 21M
10:12 | 10:12/mi
35K
3:32:12
21.75 mi
Rank: #23870 (+114)
21M → 35K
6:58 | 9:19/mi
23M
3:44:00
23.00 mi
Rank: #23664 (+206)
35K → 23M
11:48 | 9:26/mi
24M
3:53:00
24.00 mi
Rank: #23501 (+163)
23M → 24M
9:00 | 9:00/mi
40K
4:01:04
24.85 mi
Rank: #23364 (+137)
24M → 40K
8:04 | 9:27/mi
25.2M
4:04:26
25.20 mi
Rank: #23288 (+76)
40K → 25.2M
3:22 | 9:46/mi
FINISH
4:13:01
26.22 mi
Rank: #23122 (+166)
25.2M → FINISH
8:35 | 8:26/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:07:50
Pace9:46 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:05:11
Pace9:33 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:0631:2710:0831:27
10:08
-
10K
6.21 mi12:27:141:02:3510:0531:08
10:02
-0:06
15K
9.32 mi12:56:321:31:539:5229:18
9:26
-0:36
20K
12.43 mi13:26:052:01:269:4729:33
9:31
+0:05
HALF
13.11 mi13:32:292:07:509:466:24
9:24
-0:07
25K
15.53 mi13:55:422:31:039:4423:13
9:35
+0:11
30K
18.64 mi14:26:223:01:439:4530:40
9:53
+0:18
20M
20.00 mi14:39:413:15:029:4613:19
9:49
-0:04
21M
21.00 mi14:49:533:25:149:4710:12
10:12
+0:23
35K
21.75 mi14:56:513:32:129:466:58
9:19
-0:53
23M
23.00 mi15:08:393:44:009:4511:48
9:26
+0:07
24M
24.00 mi15:17:393:53:009:439:00
9:00
-0:26
40K
24.85 mi15:25:434:01:049:428:04
9:27
+0:27
25.2M
25.20 mi15:29:054:04:269:423:22
9:46
+0:19
FINISH
26.22 mi15:37:404:13:019:408:35
8:26
-1:20

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

8:26 /mi

Average Pace

9:39 /mi

Slowest Pace

10:12 /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

17:35

7% of race

Time at Steady Pace

1:55:18

46% of race

Time at Slower Pace

2:00:08

47% of race

Average Pace: 9:39 /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 mi11:56:0631:2710:0831:27
10:08
#26277
10K
6.21 mi12:27:141:02:3510:0531:08
10:02
#26093
15K
9.32 mi12:56:321:31:539:5229:18
9:26
#25477
20K
12.43 mi13:26:052:01:269:4729:33
9:31
#25039
HALF
13.11 mi13:32:292:07:509:466:24
9:24
#24990
25K
15.53 mi13:55:422:31:039:4423:13
9:35
#24709
30K
18.64 mi14:26:223:01:439:4530:40
9:53
#24348
20M
20.00 mi14:39:413:15:029:4613:19
9:49
#24173
21M
21.00 mi14:49:533:25:149:4710:12
10:12
#23984
35K
21.75 mi14:56:513:32:129:466:58
9:19
#23870
23M
23.00 mi15:08:393:44:009:4511:48
9:26
#23664
24M
24.00 mi15:17:393:53:009:439:00
9:00
#23501
40K
24.85 mi15:25:434:01:049:428:04
9:27
#23364
25.2M
25.20 mi15:29:054:04:269:423:22
9:46
#23288
FINISH
26.22 mi15:37:404:13:019:408:35
8:26
#23122
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 mi26277108521085224241(Top 84%)9785(Top 78%)9785(Top 171%)
10K6.21 mi3.10 mi26093+18410769+8310769+8325893(Top 89%)10664(Top 85%)10664(Top 187%)
15K9.32 mi3.11 mi25477+61610438+33110438+33124241(Top 84%)9785(Top 78%)9785(Top 171%)
20K12.43 mi3.11 mi25039+43810205+23310205+23323791(Top 82%)9587(Top 76%)9587(Top 168%)
HALF13.11 mi0.68 mi24990+4910176+2910176+2924076(Top 83%)9722(Top 77%)9722(Top 170%)
25K15.53 mi2.42 mi24709+28110038+13810038+13823238(Top 80%)9324(Top 74%)9324(Top 163%)
30K18.64 mi3.11 mi24348+3619876+1629876+16222768(Top 78%)9162(Top 73%)9162(Top 160%)
20M20.00 mi1.36 mi24173+1759796+809796+8022041(Top 76%)8873(Top 71%)8873(Top 155%)
21M21.00 mi1.00 mi23984+1899709+879709+8721087(Top 73%)8432(Top 67%)8432(Top 148%)
35K21.75 mi0.75 mi23870+1149668+419668+4121236(Top 73%)8568(Top 68%)8568(Top 150%)
23M23.00 mi1.25 mi23664+2069586+829586+8220388(Top 70%)8165(Top 65%)8165(Top 143%)
24M24.00 mi1.00 mi23501+1639516+709516+7019506(Top 67%)7797(Top 62%)7797(Top 136%)
40K24.85 mi0.85 mi23364+1379462+549462+5420167(Top 69%)8161(Top 65%)8161(Top 143%)
25.2M25.20 mi0.35 mi23288+769434+289434+2818565(Top 64%)7362(Top 59%)7362(Top 129%)
FINISH26.22 mi1.02 mi23122+1669351+839351+8317792(Top 61%)6949(Top 55%)6949(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21
+97ft-345ft

Overall

24241

Females

9785

F18-39

9785

5K→10K

3.1 - 6.2 mi

Top 89%
×5
+79ft-138ft

Overall

25893

Females

10664

F18-39

10664

10K→15K

6.2 - 9.3 mi

Top 84%
×3
+67ft-78ft

Overall

24241

Females

9785

F18-39

9785

15K→20K

9.3 - 12.4 mi

Top 82%
×5
+106ft-86ft

Overall

23791

Females

9587

F18-39

9587

20K→HALF

12.4 - 13.1 mi

Top 83%
×2
+19ft-37ft

Overall

24076

Females

9722

F18-39

9722

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23238

Females

9324

F18-39

9324

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22768

Females

9162

F18-39

9162

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22041

Females

8873

F18-39

8873

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21087

Females

8432

F18-39

8432

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21236

Females

8568

F18-39

8568

35K→23M

21.8 - 23.0 mi

Top 70%
×5
+23ft-63ft

Overall

20388

Females

8165

F18-39

8165

23M→24M

23.0 - 24.0 mi

Top 67%
×6
+12ft-82ft

Overall

19506

Females

7797

F18-39

7797

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20167

Females

8161

F18-39

8161

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1
+13ft-16ft

Overall

18565

Females

7362

F18-39

7362

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17792

Females

6949

F18-39

6949

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3316*
Passed By
161
Net Change
+3155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26277
5K → 10K298*114+184#26277#26093
10K → 15K617*1+616#26093#25477
15K → 20K446*8+438#25477#25039
20K → HALF512+49#25039#24990
HALF → 25K283*2+281#24990#24709
25K → 30K371*10+361#24709#24348
30K → 20M1805+175#24348#24173
20M → 21M1956+189#24173#23984
21M → 35K1184+114#23984#23870
35K → 23M207*1+206#23870#23664
23M → 24M1652+163#23664#23501
24M → 40K1403+137#23501#23364
40K → 25.2M771+76#23364#23288
25.2M → FINISH1682+166#23288#23122
TOTALS3316*161+3155

* 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

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

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OTQ

Olympic Trials Qualifying analysis available

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