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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kelsi Brennan

Bib: 33376 β€’F β€’Age: N/A

MA

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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
51Β°/41Β°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
32:04
3.11 mi
Rank: #26791
Start β†’ 5K
32:04 | 10:20/mi
10K
1:04:48
6.21 mi
Rank: #26893 (-102)
5K β†’ 10K
32:44 | 10:33/mi
15K
1:37:12
9.32 mi
Rank: #26760 (+133)
10K β†’ 15K
32:24 | 10:26/mi
20K
2:10:30
12.43 mi
Rank: #26678 (+82)
15K β†’ 20K
33:18 | 10:44/mi
HALF
2:17:48
13.11 mi
Rank: #26689 (-11)
20K β†’ HALF
7:18 | 10:43/mi
25K
2:44:36
15.53 mi
Rank: #26657 (+32)
HALF β†’ 25K
26:48 | 11:04/mi
30K
3:19:54
18.64 mi
Rank: #26531 (+126)
25K β†’ 30K
35:18 | 11:22/mi
20M
3:35:58
20.00 mi
Rank: #26509 (+22)
30K β†’ 20M
16:04 | 11:50/mi
21M
3:48:24
21.00 mi
Rank: #26475 (+34)
20M β†’ 21M
12:26 | 12:26/mi
35K
3:57:03
21.75 mi
Rank: #26472 (+3)
21M β†’ 35K
8:39 | 11:34/mi
23M
4:12:14
23.00 mi
Rank: #26478 (-6)
35K β†’ 23M
15:11 | 12:08/mi
24M
4:24:18
24.00 mi
Rank: #26501 (-23)
23M β†’ 24M
12:04 | 12:04/mi
40K
4:34:45
24.85 mi
Rank: #26507 (-6)
24M β†’ 40K
10:27 | 12:14/mi
25.2M
4:39:15
25.20 mi
Rank: #26496 (+11)
40K β†’ 25.2M
4:30 | 13:03/mi
FINISH
4:50:48
26.22 mi
Rank: #26527 (-31)
25.2M β†’ FINISH
11:33 | 11:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:17:48
Pace10:31 /mi
2nd Half
Distance13.11 mi
Time2:33:00
Pace11:41 /mi
πŸ“ŠPositive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:2932:0410:2032:04
10:20
-
10K
6.21 mi12:35:131:04:4810:2632:44
10:33
+0:13
15K
9.32 mi13:07:371:37:1210:2632:24
10:26
-0:07
20K
12.43 mi13:40:552:10:3010:3133:18
10:44
+0:18
HALF
13.11 mi13:48:132:17:4810:317:18
10:43
-0:01
25K
15.53 mi14:15:012:44:3610:3626:48
11:04
+0:21
30K
18.64 mi14:50:193:19:5410:4435:18
11:22
+0:18
20M
20.00 mi15:06:233:35:5810:4816:04
11:50
+0:28
21M
21.00 mi15:18:493:48:2410:5312:26
12:26
+0:36
35K
21.75 mi15:27:283:57:0310:548:39
11:34
-0:52
23M
23.00 mi15:42:394:12:1410:5915:11
12:08
+0:34
24M
24.00 mi15:54:434:24:1811:0112:04
12:04
-0:04
40K
24.85 mi16:05:104:34:4511:0410:27
12:14
+0:10
25.2M
25.20 mi16:09:404:39:1511:054:30
13:03
+0:49
FINISH
26.22 mi16:21:134:50:4811:0611:33
11:21
-1:42

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

10:20 /mi

Average Pace

11:06 /mi

Slowest Pace

13:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:17:48

47% of race

Time at Steady Pace

1:22:18

28% of race

Time at Slower Pace

1:10:42

24% of race

Average Pace: 11:05 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi12:02:2932:0410:2032:04
10:20
#26791
10K
6.21 mi12:35:131:04:4810:2632:44
10:33
#26893
15K
9.32 mi13:07:371:37:1210:2632:24
10:26
#26760
20K
12.43 mi13:40:552:10:3010:3133:18
10:44
#26678
HALF
13.11 mi13:48:132:17:4810:317:18
10:43
#26689
25K
15.53 mi14:15:012:44:3610:3626:48
11:04
#26657
30K
18.64 mi14:50:193:19:5410:4435:18
11:22
#26531
20M
20.00 mi15:06:233:35:5810:4816:04
11:50
#26509
21M
21.00 mi15:18:493:48:2410:5312:26
12:26
#26475
35K
21.75 mi15:27:283:57:0310:548:39
11:34
#26472
23M
23.00 mi15:42:394:12:1410:5915:11
12:08
#26478
24M
24.00 mi15:54:434:24:1811:0112:04
12:04
#26501
40K
24.85 mi16:05:104:34:4511:0410:27
12:14
#26507
25.2M
25.20 mi16:09:404:39:1511:054:30
13:03
#26496
FINISH
26.22 mi16:21:134:50:4811:0611:33
11:21
#26527
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 mi26791111521115226564(Top 92%)11056(Top 88%)11056(Top 193%)
10K6.21 mi3.10 mi26893-10211225-7311225-7326984(Top 93%)11282(Top 90%)11282(Top 197%)
15K9.32 mi3.11 mi26760+13311156+6911156+6926564(Top 92%)11056(Top 88%)11056(Top 193%)
20K12.43 mi3.11 mi26678+8211116+4011116+4026567(Top 92%)11078(Top 88%)11078(Top 194%)
HALF13.11 mi0.68 mi26689-1111131-1511131-1527009(Top 93%)11372(Top 90%)11372(Top 199%)
25K15.53 mi2.42 mi26657+3211114+1711114+1726411(Top 91%)11045(Top 88%)11045(Top 193%)
30K18.64 mi3.11 mi26531+12611070+4411070+4425954(Top 89%)10870(Top 86%)10870(Top 190%)
20M20.00 mi1.36 mi26509+2211069+111069+126192(Top 90%)11084(Top 88%)11084(Top 194%)
21M21.00 mi1.00 mi26475+3411063+611063+625700(Top 89%)10872(Top 86%)10872(Top 190%)
35K21.75 mi0.75 mi26472+311066-311066-326164(Top 90%)11116(Top 88%)11116(Top 194%)
23M23.00 mi1.25 mi26478-611077-1111077-1126312(Top 91%)11223(Top 89%)11223(Top 196%)
24M24.00 mi1.00 mi26501-2311103-2611103-2626702(Top 92%)11468(Top 91%)11468(Top 201%)
40K24.85 mi0.85 mi26507-611114-1111114-1126195(Top 90%)11243(Top 89%)11243(Top 197%)
25.2M25.20 mi0.35 mi26496+1111113+111113+126131(Top 90%)11182(Top 89%)11182(Top 196%)
FINISH26.22 mi1.02 mi26527-3111139-2611139-2626661(Top 92%)11476(Top 91%)11476(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26564

Females

11056

F18-39

11056

5K→10K

3.1 - 6.2 mi

Top 93%
Γ—5
+79ft-138ft

Overall

26984

Females

11282

F18-39

11282

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26564

Females

11056

F18-39

11056

15K→20K

9.3 - 12.4 mi

Top 92%
Γ—5
+106ft-86ft

Overall

26567

Females

11078

F18-39

11078

20K→HALF

12.4 - 13.1 mi

Top 93%
Γ—2
+19ft-37ft

Overall

27009

Females

11372

F18-39

11372

HALF→25K

13.1 - 15.5 mi

Top 91%
Γ—4
+66ft-88ft

Overall

26411

Females

11045

F18-39

11045

25K→30K

15.5 - 18.6 mi

Top 89%
Γ—9
+181ft-148ft

Overall

25954

Females

10870

F18-39

10870

30K→20M

18.6 - 20.0 mi

Top 90%
Γ—5
+64ft-50ft

Overall

26192

Females

11084

F18-39

11084

20M→21M

20.0 - 21.0 mi

Top 89%
Γ—8
+106ft-24ft

Overall

25700

Females

10872

F18-39

10872

21M→35K

21.0 - 21.8 mi

Top 90%
Γ—7
+17ft-86ft

Overall

26164

Females

11116

F18-39

11116

35K→23M

21.8 - 23.0 mi

Top 91%
Γ—5
+23ft-63ft

Overall

26312

Females

11223

F18-39

11223

23M→24M

23.0 - 24.0 mi

Top 92%
Γ—6
+12ft-82ft

Overall

26702

Females

11468

F18-39

11468

24M→40K

24.0 - 24.9 mi

Top 90%
Γ—1
+6ft-20ft

Overall

26195

Females

11243

F18-39

11243

40K→25.2M

24.9 - 25.2 mi

Top 90%
Γ—1
+13ft-16ft

Overall

26131

Females

11182

F18-39

11182

25.2M→FINISH

25.2 - 26.2 mi

Top 92%
Γ—2
+22ft-21ft

Overall

26661

Females

11476

F18-39

11476

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1059
Passed By
751
Net Change
+264
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26791
5K β†’ 10K142200-102#26791#26893
10K β†’ 15K19663+133#26893#26760
15K β†’ 20K16280+82#26760#26678
20K β†’ HALF2031-11#26678#26689
HALF β†’ 25K9563+32#26689#26657
25K β†’ 30K16741+126#26657#26531
30K β†’ 20M6341+22#26531#26509
20M β†’ 21M6127+34#26509#26475
21M β†’ 35K2320+3#26475#26472
35K β†’ 23M3642-6#26472#26478
23M β†’ 24M2548-23#26478#26501
24M β†’ 40K3642-6#26501#26507
40K β†’ 25.2M187+11#26507#26496
25.2M β†’ FINISH1546-31#26496#26527
TOTALS1059751+264
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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