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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Emma Semones

Bib: 15946 •F •Age: N/A

VA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 31%
Gender (Female)
#0 / 12578
Top 14%
Age Group (F18-39)
#0 / 5716
Top 26%
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
22:50
3.11 mi
Rank: #11488
Start → 5K
22:50 | 7:21/mi
10K
45:54
6.21 mi
Rank: #11857 (-369)
5K → 10K
23:04 | 7:26/mi
15K
1:09:03
9.32 mi
Rank: #12001 (-144)
10K → 15K
23:09 | 7:28/mi
20K
1:31:45
12.43 mi
Rank: #11571 (+430)
15K → 20K
22:42 | 7:19/mi
HALF
1:36:35
13.11 mi
Rank: #11464 (+107)
20K → HALF
4:50 | 7:06/mi
25K
1:54:03
15.53 mi
Rank: #11009 (+455)
HALF → 25K
17:28 | 7:13/mi
30K
2:16:50
18.64 mi
Rank: #10427 (+582)
25K → 30K
22:47 | 7:20/mi
20M
2:26:55
20.00 mi
Rank: #10223 (+204)
30K → 20M
10:05 | 7:26/mi
21M
2:34:34
21.00 mi
Rank: #10036 (+187)
20M → 21M
7:39 | 7:39/mi
35K
2:39:54
21.75 mi
Rank: #9926 (+110)
21M → 35K
5:20 | 7:08/mi
23M
2:49:05
23.00 mi
Rank: #9719 (+207)
35K → 23M
9:11 | 7:21/mi
24M
2:55:59
24.00 mi
Rank: #9480 (+239)
23M → 24M
6:54 | 6:54/mi
40K
3:02:05
24.85 mi
Rank: #9330 (+150)
24M → 40K
6:06 | 7:09/mi
25.2M
3:04:43
25.20 mi
Rank: #9266 (+64)
40K → 25.2M
2:38 | 7:39/mi
FINISH
3:11:28
26.22 mi
Rank: #9023 (+243)
25.2M → FINISH
6:45 | 6:38/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
Time1:36:35
Pace7:23 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:53
Pace7:15 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2222:507:2122:50
7:21
-
10K
6.21 mi11:18:2645:547:2423:04
7:26
+0:05
15K
9.32 mi11:41:351:09:037:2523:09
7:28
+0:02
20K
12.43 mi12:04:171:31:457:2322:42
7:19
-0:09
HALF
13.11 mi12:09:071:36:357:234:50
7:06
-0:13
25K
15.53 mi12:26:351:54:037:2117:28
7:13
+0:07
30K
18.64 mi12:49:222:16:507:2122:47
7:20
+0:07
20M
20.00 mi12:59:272:26:557:2110:05
7:26
+0:06
21M
21.00 mi13:07:062:34:347:227:39
7:39
+0:13
35K
21.75 mi13:12:262:39:547:225:20
7:08
-0:31
23M
23.00 mi13:21:372:49:057:229:11
7:21
+0:13
24M
24.00 mi13:28:312:55:597:206:54
6:54
-0:27
40K
24.85 mi13:34:373:02:057:206:06
7:09
+0:15
25.2M
25.20 mi13:37:153:04:437:202:38
7:39
+0:30
FINISH
26.22 mi13:44:003:11:287:196:45
6:38
-1:01

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

6:38 /mi

Average Pace

7:18 /mi

Slowest Pace

7:39 /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

47:23

25% of race

Time at Steady Pace

2:24:05

75% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:55:2222:507:2122:50
7:21
#11488
10K
6.21 mi11:18:2645:547:2423:04
7:26
#11857
15K
9.32 mi11:41:351:09:037:2523:09
7:28
#12001
20K
12.43 mi12:04:171:31:457:2322:42
7:19
#11571
HALF
13.11 mi12:09:071:36:357:234:50
7:06
#11464
25K
15.53 mi12:26:351:54:037:2117:28
7:13
#11009
30K
18.64 mi12:49:222:16:507:2122:47
7:20
#10427
20M
20.00 mi12:59:272:26:557:2110:05
7:26
#10223
21M
21.00 mi13:07:062:34:347:227:39
7:39
#10036
35K
21.75 mi13:12:262:39:547:225:20
7:08
#9926
23M
23.00 mi13:21:372:49:057:229:11
7:21
#9719
24M
24.00 mi13:28:312:55:597:206:54
6:54
#9480
40K
24.85 mi13:34:373:02:057:206:06
7:09
#9330
25.2M
25.20 mi13:37:153:04:437:202:38
7:39
#9266
FINISH
26.22 mi13:44:003:11:287:196:45
6:38
#9023
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 mi114882631263112396(Top 43%)3228(Top 26%)3228(Top 56%)
10K6.21 mi3.10 mi11857-3692851-2202851-22012308(Top 42%)3143(Top 25%)3143(Top 55%)
15K9.32 mi3.11 mi12001-1442957-1062957-10612396(Top 43%)3228(Top 26%)3228(Top 56%)
20K12.43 mi3.11 mi11571+4302759+1982759+19810245(Top 35%)2166(Top 17%)2166(Top 38%)
HALF13.11 mi0.68 mi11464+1072706+532706+539436(Top 33%)1716(Top 14%)1716(Top 30%)
25K15.53 mi2.42 mi11009+4552495+2112495+2118911(Top 31%)1617(Top 13%)1617(Top 28%)
30K18.64 mi3.11 mi10427+5822254+2412254+2418368(Top 29%)1539(Top 12%)1539(Top 27%)
20M20.00 mi1.36 mi10223+2042182+722182+728580(Top 30%)1736(Top 14%)1736(Top 30%)
21M21.00 mi1.00 mi10036+1872113+692113+697545(Top 26%)1428(Top 11%)1428(Top 25%)
35K21.75 mi0.75 mi9926+1102071+422071+428101(Top 28%)1606(Top 13%)1606(Top 28%)
23M23.00 mi1.25 mi9719+2071994+771994+777769(Top 27%)1539(Top 12%)1539(Top 27%)
24M24.00 mi1.00 mi9480+2391902+921902+925854(Top 20%)922(Top 7%)922(Top 16%)
40K24.85 mi0.85 mi9330+1501861+411861+416385(Top 22%)1139(Top 9%)1139(Top 20%)
25.2M25.20 mi0.35 mi9266+641842+191842+196155(Top 21%)1138(Top 9%)1138(Top 20%)
FINISH26.22 mi1.02 mi9023+2431775+671775+674964(Top 17%)794(Top 6%)794(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21
+97ft-345ft

Overall

12396

Females

3228

F18-39

3228

5K→10K

3.1 - 6.2 mi

Top 42%
×5
+79ft-138ft

Overall

12308

Females

3143

F18-39

3143

10K→15K

6.2 - 9.3 mi

Top 43%
×3
+67ft-78ft

Overall

12396

Females

3228

F18-39

3228

15K→20K

9.3 - 12.4 mi

Top 35%
×5
+106ft-86ft

Overall

10245

Females

2166

F18-39

2166

20K→HALF

12.4 - 13.1 mi

Top 33%
×2
+19ft-37ft

Overall

9436

Females

1716

F18-39

1716

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

8911

Females

1617

F18-39

1617

25K→30K

15.5 - 18.6 mi

Top 29%
×9
+181ft-148ft

Overall

8368

Females

1539

F18-39

1539

30K→20M

18.6 - 20.0 mi

Top 30%
×5
+64ft-50ft

Overall

8580

Females

1736

F18-39

1736

20M→21M

20.0 - 21.0 mi

Top 26%
×8
+106ft-24ft

Overall

7545

Females

1428

F18-39

1428

21M→35K

21.0 - 21.8 mi

Top 28%
×7
+17ft-86ft

Overall

8101

Females

1606

F18-39

1606

35K→23M

21.8 - 23.0 mi

Top 27%
×5
+23ft-63ft

Overall

7769

Females

1539

F18-39

1539

23M→24M

23.0 - 24.0 mi

Top 20%
×6
+12ft-82ft

Overall

5854

Females

922

F18-39

922

24M→40K

24.0 - 24.9 mi

Top 22%
×1
+6ft-20ft

Overall

6385

Females

1139

F18-39

1139

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1
+13ft-16ft

Overall

6155

Females

1138

F18-39

1138

25.2M→FINISH

25.2 - 26.2 mi

Top 17%
×2
+22ft-21ft

Overall

4964

Females

794

F18-39

794

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3320*
Passed By
484
Net Change
+2465
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11488
5K → 10K134200-369#11488#11857
10K → 15K124200-144#11857#12001
15K → 20K445*15+430#12001#11571
20K → HALF1070+107#11571#11464
HALF → 25K458*3+455#11464#11009
25K → 30K587*5+582#11009#10427
30K → 20M214*10+204#10427#10223
20M → 21M1958+187#10223#10036
21M → 35K1177+110#10036#9926
35K → 23M219*12+207#9926#9719
23M → 24M244*5+239#9719#9480
24M → 40K16010+150#9480#9330
40K → 25.2M673+64#9330#9266
25.2M → FINISH249*6+243#9266#9023
TOTALS3320*484+2465

* 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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