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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Tatiana Simons

Bib: 31205 •F •Age: N/A

NY

Boston Marathon logo
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

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
30:28
3.11 mi
Rank: #25403
Start → 5K
30:28 | 9:49/mi
10K
59:06
6.21 mi
Rank: #24564 (+839)
5K → 10K
28:38 | 9:13/mi
15K
1:25:49
9.32 mi
Rank: #23577 (+987)
10K → 15K
26:43 | 8:36/mi
20K
1:53:14
12.43 mi
Rank: #22985 (+592)
15K → 20K
27:25 | 8:50/mi
HALF
1:59:05
13.11 mi
Rank: #22893 (+92)
20K → HALF
5:51 | 8:35/mi
25K
2:20:27
15.53 mi
Rank: #22446 (+447)
HALF → 25K
21:22 | 8:49/mi
30K
2:49:33
18.64 mi
Rank: #22178 (+268)
25K → 30K
29:06 | 9:22/mi
20M
3:03:06
20.00 mi
Rank: #22230 (-52)
30K → 20M
13:33 | 9:59/mi
21M
3:14:15
21.00 mi
Rank: #22349 (-119)
20M → 21M
11:09 | 11:09/mi
35K
3:21:25
21.75 mi
Rank: #22328 (+21)
21M → 35K
7:10 | 9:35/mi
23M
3:36:33
23.00 mi
Rank: #22709 (-381)
35K → 23M
15:08 | 12:06/mi
24M
3:46:32
24.00 mi
Rank: #22707 (+2)
23M → 24M
9:59 | 9:59/mi
40K
3:55:28
24.85 mi
Rank: #22701 (+6)
24M → 40K
8:56 | 10:27/mi
25.2M
3:59:16
25.20 mi
Rank: #22695 (+6)
40K → 25.2M
3:48 | 11:02/mi
FINISH
4:09:39
26.22 mi
Rank: #22751 (-56)
25.2M → FINISH
10:23 | 10:12/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
Time1:59:05
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:10:34
Pace9:58 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:4030:289:4930:28
9:49
-
10K
6.21 mi12:29:1859:069:3128:38
9:13
-0:36
15K
9.32 mi12:56:011:25:499:1326:43
8:36
-0:37
20K
12.43 mi13:23:261:53:149:0727:25
8:50
+0:14
HALF
13.11 mi13:29:171:59:059:065:51
8:35
-0:15
25K
15.53 mi13:50:392:20:279:0321:22
8:49
+0:14
30K
18.64 mi14:19:452:49:339:0629:06
9:22
+0:33
20M
20.00 mi14:33:183:03:069:1013:33
9:59
+0:37
21M
21.00 mi14:44:273:14:159:1611:09
11:09
+1:10
35K
21.75 mi14:51:373:21:259:167:10
9:35
-1:34
23M
23.00 mi15:06:453:36:339:2515:08
12:06
+2:31
24M
24.00 mi15:16:443:46:329:279:59
9:59
-2:07
40K
24.85 mi15:25:403:55:289:298:56
10:27
+0:28
25.2M
25.20 mi15:29:283:59:169:303:48
11:02
+0:35
FINISH
26.22 mi15:39:514:09:399:3210:23
10:12
-0:50

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

8:35 /mi

Average Pace

9:32 /mi

Slowest Pace

12:06 /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

1:49:59

44% of race

Time at Steady Pace

1:40:39

40% of race

Time at Slower Pace

39:01

16% of race

Average Pace: 9:31 /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 mi12:00:4030:289:4930:28
9:49
#25403
10K
6.21 mi12:29:1859:069:3128:38
9:13
#24564
15K
9.32 mi12:56:011:25:499:1326:43
8:36
#23577
20K
12.43 mi13:23:261:53:149:0727:25
8:50
#22985
HALF
13.11 mi13:29:171:59:059:065:51
8:35
#22893
25K
15.53 mi13:50:392:20:279:0321:22
8:49
#22446
30K
18.64 mi14:19:452:49:339:0629:06
9:22
#22178
20M
20.00 mi14:33:183:03:069:1013:33
9:59
#22230
21M
21.00 mi14:44:273:14:159:1611:09
11:09
#22349
35K
21.75 mi14:51:373:21:259:167:10
9:35
#22328
23M
23.00 mi15:06:453:36:339:2515:08
12:06
#22709
24M
24.00 mi15:16:443:46:329:279:59
9:59
#22707
40K
24.85 mi15:25:403:55:289:298:56
10:27
#22701
25.2M
25.20 mi15:29:283:59:169:303:48
11:02
#22695
FINISH
26.22 mi15:39:514:09:399:3210:23
10:12
#22751
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 mi25403103991039920688(Top 71%)7953(Top 63%)7953(Top 139%)
10K6.21 mi3.10 mi24564+8399948+4519948+45123679(Top 82%)9496(Top 75%)9496(Top 166%)
15K9.32 mi3.11 mi23577+9879446+5029446+50220688(Top 71%)7953(Top 63%)7953(Top 139%)
20K12.43 mi3.11 mi22985+5929155+2919155+29121108(Top 73%)8197(Top 65%)8197(Top 143%)
HALF13.11 mi0.68 mi22893+929102+539102+5320791(Top 72%)8024(Top 64%)8024(Top 140%)
25K15.53 mi2.42 mi22446+4478880+2228880+22220299(Top 70%)7814(Top 62%)7814(Top 137%)
30K18.64 mi3.11 mi22178+2688774+1068774+10621199(Top 73%)8373(Top 67%)8373(Top 146%)
20M20.00 mi1.36 mi22230-528812-388812-3822517(Top 78%)9113(Top 72%)9113(Top 159%)
21M21.00 mi1.00 mi22349-1198891-798891-7923453(Top 81%)9665(Top 77%)9665(Top 169%)
35K21.75 mi0.75 mi22328+218893-28893-222030(Top 76%)8968(Top 71%)8968(Top 157%)
23M23.00 mi1.25 mi22709-3819119-2269119-22626241(Top 90%)11186(Top 89%)11186(Top 196%)
24M24.00 mi1.00 mi22707+29137-189137-1822762(Top 78%)9420(Top 75%)9420(Top 165%)
40K24.85 mi0.85 mi22701+69143-69143-623081(Top 80%)9662(Top 77%)9662(Top 169%)
25.2M25.20 mi0.35 mi22695+69146-39146-322440(Top 77%)9310(Top 74%)9310(Top 163%)
FINISH26.22 mi1.02 mi22751-569175-299175-2924351(Top 84%)10296(Top 82%)10296(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20688

Females

7953

F18-39

7953

5K→10K

3.1 - 6.2 mi

Top 82%
×5
+79ft-138ft

Overall

23679

Females

9496

F18-39

9496

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20688

Females

7953

F18-39

7953

15K→20K

9.3 - 12.4 mi

Top 73%
×5
+106ft-86ft

Overall

21108

Females

8197

F18-39

8197

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20791

Females

8024

F18-39

8024

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20299

Females

7814

F18-39

7814

25K→30K

15.5 - 18.6 mi

Top 73%
×9
+181ft-148ft

Overall

21199

Females

8373

F18-39

8373

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22517

Females

9113

F18-39

9113

20M→21M

20.0 - 21.0 mi

Top 81%
×8
+106ft-24ft

Overall

23453

Females

9665

F18-39

9665

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

22030

Females

8968

F18-39

8968

35K→23M

21.8 - 23.0 mi

Top 90%
×5
+23ft-63ft

Overall

26241

Females

11186

F18-39

11186

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22762

Females

9420

F18-39

9420

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23081

Females

9662

F18-39

9662

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1
+13ft-16ft

Overall

22440

Females

9310

F18-39

9310

25.2M→FINISH

25.2 - 26.2 mi

Top 84%
×2
+22ft-21ft

Overall

24351

Females

10296

F18-39

10296

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3642*
Passed By
799
Net Change
+2652
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25403
5K → 10K863*24+839#25403#24564
10K → 15K988*1+987#24564#23577
15K → 20K600*8+592#23577#22985
20K → HALF942+92#22985#22893
HALF → 25K451*4+447#22893#22446
25K → 30K319*51+268#22446#22178
30K → 20M64116-52#22178#22230
20M → 21M47166-119#22230#22349
21M → 35K5736+21#22349#22328
35K → 23M10200-381#22328#22709
23M → 24M4846+2#22709#22707
24M → 40K5650+6#22707#22701
40K → 25.2M2418+6#22701#22695
25.2M → FINISH2177-56#22695#22751
TOTALS3642*799+2652

* 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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