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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Brittney Pfeffer

Bib: 29633 β€’F β€’Age: N/A

PA

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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
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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
28:45
3.11 mi
Rank: #23637
Start β†’ 5K
28:45 | 9:16/mi
10K
57:05
6.21 mi
Rank: #23501 (+136)
5K β†’ 10K
28:20 | 9:08/mi
15K
1:26:06
9.32 mi
Rank: #23682 (-181)
10K β†’ 15K
29:01 | 9:21/mi
20K
1:57:23
12.43 mi
Rank: #24157 (-475)
15K β†’ 20K
31:17 | 10:05/mi
HALF
2:04:20
13.11 mi
Rank: #24268 (-111)
20K β†’ HALF
6:57 | 10:12/mi
25K
2:29:51
15.53 mi
Rank: #24499 (-231)
HALF β†’ 25K
25:31 | 10:32/mi
30K
3:04:25
18.64 mi
Rank: #24732 (-233)
25K β†’ 30K
34:34 | 11:08/mi
20M
3:20:28
20.00 mi
Rank: #24865 (-133)
30K β†’ 20M
16:03 | 11:49/mi
21M
3:33:20
21.00 mi
Rank: #24970 (-105)
20M β†’ 21M
12:52 | 12:52/mi
35K
3:41:47
21.75 mi
Rank: #25002 (-32)
21M β†’ 35K
8:27 | 11:18/mi
23M
3:56:04
23.00 mi
Rank: #25043 (-41)
35K β†’ 23M
14:17 | 11:25/mi
24M
4:06:59
24.00 mi
Rank: #25032 (+11)
23M β†’ 24M
10:55 | 10:55/mi
40K
4:16:58
24.85 mi
Rank: #25059 (-27)
24M β†’ 40K
9:59 | 11:41/mi
25.2M
4:21:29
25.20 mi
Rank: #25094 (-35)
40K β†’ 25.2M
4:31 | 13:06/mi
FINISH
4:32:40
26.22 mi
Rank: #25142 (-48)
25.2M β†’ FINISH
11:11 | 10:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:04:20
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:28:20
Pace11:19 /mi
πŸ“ŠPositive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4228:459:1628:45
9:16
-
10K
6.21 mi12:21:0257:059:1228:20
9:08
-0:08
15K
9.32 mi12:50:031:26:069:1529:01
9:21
+0:13
20K
12.43 mi13:21:201:57:239:2731:17
10:05
+0:44
HALF
13.11 mi13:28:172:04:209:306:57
10:12
+0:07
25K
15.53 mi13:53:482:29:519:3925:31
10:32
+0:20
30K
18.64 mi14:28:223:04:259:5434:34
11:08
+0:36
20M
20.00 mi14:44:253:20:2810:0216:03
11:49
+0:41
21M
21.00 mi14:57:173:33:2010:1012:52
12:52
+1:03
35K
21.75 mi15:05:443:41:4710:128:27
11:18
-1:34
23M
23.00 mi15:20:013:56:0410:1614:17
11:25
+0:07
24M
24.00 mi15:30:564:06:5910:1810:55
10:55
-0:30
40K
24.85 mi15:40:554:16:5810:219:59
11:41
+0:46
25.2M
25.20 mi15:45:264:21:2910:234:31
13:06
+1:25
FINISH
26.22 mi15:56:374:32:4010:2511:11
10:59
-2:07

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

9:08 /mi

Average Pace

10:24 /mi

Slowest Pace

13:06 /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

2:04:20

46% of race

Time at Steady Pace

1:44:55

38% of race

Time at Slower Pace

43:25

16% of race

Average Pace: 10:24 /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 mi11:52:4228:459:1628:45
9:16
#23637
10K
6.21 mi12:21:0257:059:1228:20
9:08
#23501
15K
9.32 mi12:50:031:26:069:1529:01
9:21
#23682
20K
12.43 mi13:21:201:57:239:2731:17
10:05
#24157
HALF
13.11 mi13:28:172:04:209:306:57
10:12
#24268
25K
15.53 mi13:53:482:29:519:3925:31
10:32
#24499
30K
18.64 mi14:28:223:04:259:5434:34
11:08
#24732
20M
20.00 mi14:44:253:20:2810:0216:03
11:49
#24865
21M
21.00 mi14:57:173:33:2010:1012:52
12:52
#24970
35K
21.75 mi15:05:443:41:4710:128:27
11:18
#25002
23M
23.00 mi15:20:013:56:0410:1614:17
11:25
#25043
24M
24.00 mi15:30:564:06:5910:1810:55
10:55
#25032
40K
24.85 mi15:40:554:16:5810:219:59
11:41
#25059
25.2M
25.20 mi15:45:264:21:2910:234:31
13:06
#25094
FINISH
26.22 mi15:56:374:32:4010:2511:11
10:59
#25142
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 mi236379493949323968(Top 83%)9635(Top 77%)9635(Top 169%)
10K6.21 mi3.10 mi23501+1369411+829411+8223323(Top 80%)9315(Top 74%)9315(Top 163%)
15K9.32 mi3.11 mi23682-1819493-829493-8223968(Top 83%)9635(Top 77%)9635(Top 169%)
20K12.43 mi3.11 mi24157-4759732-2399732-23925216(Top 87%)10311(Top 82%)10311(Top 180%)
HALF13.11 mi0.68 mi24268-1119797-659797-6526078(Top 90%)10800(Top 86%)10800(Top 189%)
25K15.53 mi2.42 mi24499-2319923-1269923-12625488(Top 88%)10507(Top 84%)10507(Top 184%)
30K18.64 mi3.11 mi24732-23310075-15210075-15225551(Top 88%)10650(Top 85%)10650(Top 186%)
20M20.00 mi1.36 mi24865-13310174-9910174-9926175(Top 90%)11073(Top 88%)11073(Top 194%)
21M21.00 mi1.00 mi24970-10510239-6510239-6526225(Top 90%)11127(Top 88%)11127(Top 195%)
35K21.75 mi0.75 mi25002-3210267-2810267-2825751(Top 89%)10909(Top 87%)10909(Top 191%)
23M23.00 mi1.25 mi25043-4110307-4010307-4025284(Top 87%)10713(Top 85%)10713(Top 187%)
24M24.00 mi1.00 mi25032+1110313-610313-624949(Top 86%)10581(Top 84%)10581(Top 185%)
40K24.85 mi0.85 mi25059-2710348-3510348-3525397(Top 88%)10845(Top 86%)10845(Top 190%)
25.2M25.20 mi0.35 mi25094-3510370-2210370-2226201(Top 90%)11215(Top 89%)11215(Top 196%)
FINISH26.22 mi1.02 mi25142-4810405-3510405-3526078(Top 90%)11180(Top 89%)11180(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
Γ—21
+97ft-345ft

Overall

23968

Females

9635

F18-39

9635

5K→10K

3.1 - 6.2 mi

Top 80%
Γ—5
+79ft-138ft

Overall

23323

Females

9315

F18-39

9315

10K→15K

6.2 - 9.3 mi

Top 83%
Γ—3
+67ft-78ft

Overall

23968

Females

9635

F18-39

9635

15K→20K

9.3 - 12.4 mi

Top 87%
Γ—5
+106ft-86ft

Overall

25216

Females

10311

F18-39

10311

20K→HALF

12.4 - 13.1 mi

Top 90%
Γ—2
+19ft-37ft

Overall

26078

Females

10800

F18-39

10800

HALF→25K

13.1 - 15.5 mi

Top 88%
Γ—4
+66ft-88ft

Overall

25488

Females

10507

F18-39

10507

25K→30K

15.5 - 18.6 mi

Top 88%
Γ—9
+181ft-148ft

Overall

25551

Females

10650

F18-39

10650

30K→20M

18.6 - 20.0 mi

Top 90%
Γ—5
+64ft-50ft

Overall

26175

Females

11073

F18-39

11073

20M→21M

20.0 - 21.0 mi

Top 90%
Γ—8
+106ft-24ft

Overall

26225

Females

11127

F18-39

11127

21M→35K

21.0 - 21.8 mi

Top 89%
Γ—7
+17ft-86ft

Overall

25751

Females

10909

F18-39

10909

35K→23M

21.8 - 23.0 mi

Top 87%
Γ—5
+23ft-63ft

Overall

25284

Females

10713

F18-39

10713

23M→24M

23.0 - 24.0 mi

Top 86%
Γ—6
+12ft-82ft

Overall

24949

Females

10581

F18-39

10581

24M→40K

24.0 - 24.9 mi

Top 88%
Γ—1
+6ft-20ft

Overall

25397

Females

10845

F18-39

10845

40K→25.2M

24.9 - 25.2 mi

Top 90%
Γ—1
+13ft-16ft

Overall

26201

Females

11215

F18-39

11215

25.2M→FINISH

25.2 - 26.2 mi

Top 90%
Γ—2
+22ft-21ft

Overall

26078

Females

11180

F18-39

11180

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
796*
Passed By
1731
Net Change
-1505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#23637
5K β†’ 10K303*167+136#23637#23501
10K β†’ 15K94200-181#23501#23682
15K β†’ 20K31200-475#23682#24157
20K β†’ HALF6117-111#24157#24268
HALF β†’ 25K53200-231#24268#24499
25K β†’ 30K72200-233#24499#24732
30K β†’ 20M27160-133#24732#24865
20M β†’ 21M26131-105#24865#24970
21M β†’ 35K2759-32#24970#25002
35K β†’ 23M4586-41#25002#25043
23M β†’ 24M4433+11#25043#25032
24M β†’ 40K3259-27#25032#25059
40K β†’ 25.2M1146-35#25059#25094
25.2M β†’ FINISH2573-48#25094#25142
TOTALS796*1731-1505

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

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

Activity Data

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