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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Tierra Jackson

Bib: 26533 •F •Age: N/A

FL

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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
51°/41°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
35:32
3.11 mi
Rank: #28474
Start → 5K
35:32 | 11:27/mi
10K
1:12:09
6.21 mi
Rank: #28474
5K → 10K
36:37 | 11:48/mi
15K
1:51:21
9.32 mi
Rank: #28586 (-112)
10K → 15K
39:12 | 12:38/mi
20K
2:32:47
12.43 mi
Rank: #28680 (-94)
15K → 20K
41:26 | 13:21/mi
HALF
2:41:55
13.11 mi
Rank: #28704 (-24)
20K → HALF
9:08 | 13:24/mi
25K
3:15:08
15.53 mi
Rank: #28699 (+5)
HALF → 25K
33:13 | 13:42/mi
30K
3:58:38
18.64 mi
Rank: #28656 (+43)
25K → 30K
43:30 | 14:01/mi
20M
4:18:22
20.00 mi
Rank: #28651 (+5)
30K → 20M
19:44 | 14:32/mi
21M
4:33:48
21.00 mi
Rank: #28638 (+13)
20M → 21M
15:26 | 15:26/mi
35K
4:45:10
21.75 mi
Rank: #28671 (-33)
21M → 35K
11:22 | 15:12/mi
23M
5:04:04
23.00 mi
Rank: #28692 (-21)
35K → 23M
18:54 | 15:07/mi
24M
5:19:21
24.00 mi
Rank: #28714 (-22)
23M → 24M
15:17 | 15:17/mi
40K
5:33:13
24.85 mi
Rank: #28737 (-23)
24M → 40K
13:52 | 16:14/mi
25.2M
5:39:02
25.20 mi
Rank: #28752 (-15)
40K → 25.2M
5:49 | 16:53/mi
FINISH
5:53:30
26.22 mi
Rank: #28761 (-9)
25.2M → FINISH
14:28 | 14:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:41:55
Pace12:22 /mi
2nd Half
Distance13.11 mi
Time3:11:35
Pace14:37 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5435:3211:2735:32
11:27
-
10K
6.21 mi12:20:311:12:0911:3736:37
11:48
+0:21
15K
9.32 mi12:59:431:51:2111:5739:12
12:38
+0:50
20K
12.43 mi13:41:092:32:4712:1841:26
13:21
+0:43
HALF
13.11 mi13:50:172:41:5512:229:08
13:24
+0:03
25K
15.53 mi14:23:303:15:0812:3433:13
13:42
+0:18
30K
18.64 mi15:07:003:58:3812:4943:30
14:01
+0:19
20M
20.00 mi15:26:444:18:2212:5619:44
14:32
+0:31
21M
21.00 mi15:42:104:33:4813:0315:26
15:26
+0:54
35K
21.75 mi15:53:324:45:1013:0711:22
15:12
-0:14
23M
23.00 mi16:12:265:04:0413:1418:54
15:07
-0:05
24M
24.00 mi16:27:435:19:2113:1915:17
15:17
+0:10
40K
24.85 mi16:41:355:33:1313:2513:52
16:14
+0:57
25.2M
25.20 mi16:47:245:39:0213:285:49
16:53
+0:39
FINISH
26.22 mi17:01:525:53:3013:3014:28
14:12
-2:41

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

11:27 /mi

Average Pace

13:30 /mi

Slowest Pace

16:53 /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

2:41:55

46% of race

Time at Steady Pace

1:50:55

31% of race

Time at Slower Pace

1:20:40

23% of race

Average Pace: 13:29 /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 mi11:43:5435:3211:2735:32
11:27
#28474
10K
6.21 mi12:20:311:12:0911:3736:37
11:48
#28474
15K
9.32 mi12:59:431:51:2111:5739:12
12:38
#28586
20K
12.43 mi13:41:092:32:4712:1841:26
13:21
#28680
HALF
13.11 mi13:50:172:41:5512:229:08
13:24
#28704
25K
15.53 mi14:23:303:15:0812:3433:13
13:42
#28699
30K
18.64 mi15:07:003:58:3812:4943:30
14:01
#28656
20M
20.00 mi15:26:444:18:2212:5619:44
14:32
#28651
21M
21.00 mi15:42:104:33:4813:0315:26
15:26
#28638
35K
21.75 mi15:53:324:45:1013:0711:22
15:12
#28671
23M
23.00 mi16:12:265:04:0413:1418:54
15:07
#28692
24M
24.00 mi16:27:435:19:2113:1915:17
15:17
#28714
40K
24.85 mi16:41:355:33:1313:2513:52
16:14
#28737
25.2M
25.20 mi16:47:245:39:0213:285:49
16:53
#28752
FINISH
26.22 mi17:01:525:53:3013:3014:28
14:12
#28761
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 mi28474122021220228697(Top 99%)12362(Top 98%)12362(Top 216%)
10K6.21 mi3.10 mi2847412198+412198+428448(Top 98%)12195(Top 97%)12195(Top 213%)
15K9.32 mi3.11 mi28586-11212276-7812276-7828697(Top 99%)12362(Top 98%)12362(Top 216%)
20K12.43 mi3.11 mi28680-9412347-7112347-7128738(Top 99%)12403(Top 99%)12403(Top 217%)
HALF13.11 mi0.68 mi28704-2412365-1812365-1828821(Top 99%)12474(Top 99%)12474(Top 218%)
25K15.53 mi2.42 mi28699+512363+212363+228576(Top 98%)12318(Top 98%)12318(Top 216%)
30K18.64 mi3.11 mi28656+4312339+2412339+2428359(Top 98%)12222(Top 97%)12222(Top 214%)
20M20.00 mi1.36 mi28651+512341-212341-228415(Top 98%)12266(Top 98%)12266(Top 215%)
21M21.00 mi1.00 mi28638+1312335+612335+628318(Top 98%)12241(Top 97%)12241(Top 214%)
35K21.75 mi0.75 mi28671-3312358-2312358-2328753(Top 99%)12477(Top 99%)12477(Top 218%)
23M23.00 mi1.25 mi28692-2112374-1612374-1628669(Top 99%)12433(Top 99%)12433(Top 218%)
24M24.00 mi1.00 mi28714-2212395-2112395-2128779(Top 99%)12486(Top 99%)12486(Top 218%)
40K24.85 mi0.85 mi28737-2312406-1112406-1128793(Top 99%)12492(Top 99%)12492(Top 219%)
25.2M25.20 mi0.35 mi28752-1512418-1212418-1228701(Top 99%)12472(Top 99%)12472(Top 218%)
FINISH26.22 mi1.02 mi28761-912427-912427-928713(Top 99%)12465(Top 99%)12465(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28697

Females

12362

F18-39

12362

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28448

Females

12195

F18-39

12195

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28697

Females

12362

F18-39

12362

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28738

Females

12403

F18-39

12403

20K→HALF

12.4 - 13.1 mi

Top 99%
×2
+19ft-37ft

Overall

28821

Females

12474

F18-39

12474

HALF→25K

13.1 - 15.5 mi

Top 98%
×4
+66ft-88ft

Overall

28576

Females

12318

F18-39

12318

25K→30K

15.5 - 18.6 mi

Top 98%
×9
+181ft-148ft

Overall

28359

Females

12222

F18-39

12222

30K→20M

18.6 - 20.0 mi

Top 98%
×5
+64ft-50ft

Overall

28415

Females

12266

F18-39

12266

20M→21M

20.0 - 21.0 mi

Top 98%
×8
+106ft-24ft

Overall

28318

Females

12241

F18-39

12241

21M→35K

21.0 - 21.8 mi

Top 99%
×7
+17ft-86ft

Overall

28753

Females

12477

F18-39

12477

35K→23M

21.8 - 23.0 mi

Top 99%
×5
+23ft-63ft

Overall

28669

Females

12433

F18-39

12433

23M→24M

23.0 - 24.0 mi

Top 99%
×6
+12ft-82ft

Overall

28779

Females

12486

F18-39

12486

24M→40K

24.0 - 24.9 mi

Top 99%
×1
+6ft-20ft

Overall

28793

Females

12492

F18-39

12492

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1
+13ft-16ft

Overall

28701

Females

12472

F18-39

12472

25.2M→FINISH

25.2 - 26.2 mi

Top 99%
×2
+22ft-21ft

Overall

28713

Females

12465

F18-39

12465

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
291
Passed By
578
Net Change
-287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28474
5K → 10K77770#28474#28474
10K → 15K27139-112#28474#28586
15K → 20K19113-94#28586#28680
20K → HALF327-24#28680#28704
HALF → 25K3631+5#28704#28699
25K → 30K6724+43#28699#28656
30K → 20M1712+5#28656#28651
20M → 21M218+13#28651#28638
21M → 35K538-33#28638#28671
35K → 23M627-21#28671#28692
23M → 24M224-22#28692#28714
24M → 40K528-23#28714#28737
40K → 25.2M116-15#28737#28752
25.2M → FINISH514-9#28752#28761
TOTALS291578-287
📊

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

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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