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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Shawn Jackson

Bib: 21371 •F •Age: N/A

TX

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 47%
Masters (Masters Women)
#0 / 6862
Top 33%
Age Group (F45-49)
#0 / 1786
Top 42%
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
25:28
3.11 mi
Rank: #18208
Start → 5K
25:28 | 8:12/mi
10K
51:00
6.21 mi
Rank: #18447 (-239)
5K → 10K
25:32 | 8:14/mi
15K
1:16:18
9.32 mi
Rank: #18305 (+142)
10K → 15K
25:18 | 8:09/mi
20K
1:41:51
12.43 mi
Rank: #18144 (+161)
15K → 20K
25:33 | 8:14/mi
HALF
1:47:21
13.11 mi
Rank: #18103 (+41)
20K → HALF
5:30 | 8:05/mi
25K
2:07:30
15.53 mi
Rank: #18001 (+102)
HALF → 25K
20:09 | 8:19/mi
30K
2:34:09
18.64 mi
Rank: #17834 (+167)
25K → 30K
26:39 | 8:35/mi
20M
2:45:42
20.00 mi
Rank: #17696 (+138)
30K → 20M
11:33 | 8:31/mi
21M
2:54:27
21.00 mi
Rank: #17498 (+198)
20M → 21M
8:45 | 8:45/mi
35K
3:00:20
21.75 mi
Rank: #17346 (+152)
21M → 35K
5:53 | 7:52/mi
23M
3:10:42
23.00 mi
Rank: #17142 (+204)
35K → 23M
10:22 | 8:18/mi
24M
3:18:32
24.00 mi
Rank: #16926 (+216)
23M → 24M
7:50 | 7:50/mi
40K
3:25:21
24.85 mi
Rank: #16771 (+155)
24M → 40K
6:49 | 7:59/mi
25.2M
3:28:25
25.20 mi
Rank: #16705 (+66)
40K → 25.2M
3:04 | 8:54/mi
FINISH
3:36:17
26.22 mi
Rank: #16556 (+149)
25.2M → FINISH
7:52 | 7:44/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:21
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:48:56
Pace8:19 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4225:288:1225:28
8:12
-
10K
6.21 mi11:53:1451:008:1325:32
8:14
+0:02
15K
9.32 mi12:18:321:16:188:1225:18
8:09
-0:05
20K
12.43 mi12:44:051:41:518:1225:33
8:14
+0:05
HALF
13.11 mi12:49:351:47:218:125:30
8:05
-0:09
25K
15.53 mi13:09:442:07:308:1320:09
8:19
+0:14
30K
18.64 mi13:36:232:34:098:1726:39
8:35
+0:16
20M
20.00 mi13:47:562:45:428:1811:33
8:31
-0:04
21M
21.00 mi13:56:412:54:278:198:45
8:45
+0:14
35K
21.75 mi14:02:343:00:208:185:53
7:52
-0:53
23M
23.00 mi14:12:563:10:428:1810:22
8:18
+0:26
24M
24.00 mi14:20:463:18:328:177:50
7:50
-0:28
40K
24.85 mi14:27:353:25:218:166:49
7:59
+0:09
25.2M
25.20 mi14:30:393:28:258:173:04
8:54
+0:55
FINISH
26.22 mi14:38:313:36:178:167:52
7:44
-1:10

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

7:44 /mi

Average Pace

8:15 /mi

Slowest Pace

8:54 /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

2:46:16

77% of race

Time at Steady Pace

50:01

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:15 /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 mi11:27:4225:288:1225:28
8:12
#18208
10K
6.21 mi11:53:1451:008:1325:32
8:14
#18447
15K
9.32 mi12:18:321:16:188:1225:18
8:09
#18305
20K
12.43 mi12:44:051:41:518:1225:33
8:14
#18144
HALF
13.11 mi12:49:351:47:218:125:30
8:05
#18103
25K
15.53 mi13:09:442:07:308:1320:09
8:19
#18001
30K
18.64 mi13:36:232:34:098:1726:39
8:35
#17834
20M
20.00 mi13:47:562:45:428:1811:33
8:31
#17696
21M
21.00 mi13:56:412:54:278:198:45
8:45
#17498
35K
21.75 mi14:02:343:00:208:185:53
7:52
#17346
23M
23.00 mi14:12:563:10:428:1810:22
8:18
#17142
24M
24.00 mi14:20:463:18:328:177:50
7:50
#16926
40K
24.85 mi14:27:353:25:218:166:49
7:59
#16771
25.2M
25.20 mi14:30:393:28:258:173:04
8:54
#16705
FINISH
26.22 mi14:38:313:36:178:167:52
7:44
#16556
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi182086622662217972(Top 62%)6458(Top 51%)6458(Top 362%)
10K6.21 mi3.10 mi18447-2396746-1246746-12418680(Top 64%)6838(Top 54%)6838(Top 383%)
15K9.32 mi3.11 mi18305+1426657+896657+8917972(Top 62%)6458(Top 51%)6458(Top 362%)
20K12.43 mi3.11 mi18144+1616566+916566+9117635(Top 61%)6299(Top 50%)6299(Top 353%)
HALF13.11 mi0.68 mi18103+416545+216545+2117608(Top 61%)6255(Top 50%)6255(Top 350%)
25K15.53 mi2.42 mi18001+1026497+486497+4817487(Top 60%)6266(Top 50%)6266(Top 351%)
30K18.64 mi3.11 mi17834+1676435+626435+6217357(Top 60%)6311(Top 50%)6311(Top 353%)
20M20.00 mi1.36 mi17696+1386380+556380+5516242(Top 56%)5779(Top 46%)5779(Top 324%)
21M21.00 mi1.00 mi17498+1986280+1006280+10014722(Top 51%)4987(Top 40%)4987(Top 279%)
35K21.75 mi0.75 mi17346+1526206+746206+7413615(Top 47%)4447(Top 35%)4447(Top 249%)
23M23.00 mi1.25 mi17142+2046122+846122+8414388(Top 50%)4934(Top 39%)4934(Top 276%)
24M24.00 mi1.00 mi16926+2166027+956027+9512624(Top 43%)4063(Top 32%)4063(Top 227%)
40K24.85 mi0.85 mi16771+1555946+815946+8112385(Top 43%)3998(Top 32%)3998(Top 224%)
25.2M25.20 mi0.35 mi16705+665918+285918+2814180(Top 49%)5021(Top 40%)5021(Top 281%)
FINISH26.22 mi1.02 mi16556+1495857+615857+6113202(Top 45%)4514(Top 36%)4514(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

17972

Females

6458

F45-49

6458

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18680

Females

6838

F45-49

6838

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

17972

Females

6458

F45-49

6458

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17635

Females

6299

F45-49

6299

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17608

Females

6255

F45-49

6255

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17487

Females

6266

F45-49

6266

25K→30K

15.5 - 18.6 mi

Top 60%
×9
+181ft-148ft

Overall

17357

Females

6311

F45-49

6311

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16242

Females

5779

F45-49

5779

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14722

Females

4987

F45-49

4987

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13615

Females

4447

F45-49

4447

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14388

Females

4934

F45-49

4934

23M→24M

23.0 - 24.0 mi

Top 43%
×6
+12ft-82ft

Overall

12624

Females

4063

F45-49

4063

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12385

Females

3998

F45-49

3998

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1
+13ft-16ft

Overall

14180

Females

5021

F45-49

5021

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

13202

Females

4514

F45-49

4514

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2534*
Passed By
658
Net Change
+1652
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18208
5K → 10K185200-239#18208#18447
10K → 15K254*112+142#18447#18305
15K → 20K243*82+161#18305#18144
20K → HALF5312+41#18144#18103
HALF → 25K17270+102#18103#18001
25K → 30K266*99+167#18001#17834
30K → 20M16628+138#17834#17696
20M → 21M206*8+198#17696#17498
21M → 35K1575+152#17498#17346
35K → 23M224*20+204#17346#17142
23M → 24M219*3+216#17142#16926
24M → 40K1583+155#16926#16771
40K → 25.2M726+66#16771#16705
25.2M → FINISH15910+149#16705#16556
TOTALS2534*658+1652

* 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

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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