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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Gwendolyn Ostrosky

Bib: 13136 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Masters (Masters Women)
#0 / 6862
Top 32%
Age Group (F40-44)
#0 / 1737
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
24:32
3.11 mi
Rank: #16184
Start → 5K
24:32 | 7:54/mi
10K
49:50
6.21 mi
Rank: #17231 (-1047)
5K → 10K
25:18 | 8:09/mi
15K
1:15:12
9.32 mi
Rank: #17546 (-315)
10K → 15K
25:22 | 8:10/mi
20K
1:40:12
12.43 mi
Rank: #17280 (+266)
15K → 20K
25:00 | 8:03/mi
HALF
1:45:30
13.11 mi
Rank: #17176 (+104)
20K → HALF
5:18 | 7:47/mi
25K
2:04:51
15.53 mi
Rank: #16851 (+325)
HALF → 25K
19:21 | 7:59/mi
30K
2:30:25
18.64 mi
Rank: #16510 (+341)
25K → 30K
25:34 | 8:14/mi
20M
2:41:54
20.00 mi
Rank: #16435 (+75)
30K → 20M
11:29 | 8:28/mi
21M
2:50:53
21.00 mi
Rank: #16375 (+60)
20M → 21M
8:59 | 8:59/mi
35K
2:57:04
21.75 mi
Rank: #16326 (+49)
21M → 35K
6:11 | 8:16/mi
23M
3:07:57
23.00 mi
Rank: #16347 (-21)
35K → 23M
10:53 | 8:42/mi
24M
3:16:21
24.00 mi
Rank: #16328 (+19)
23M → 24M
8:24 | 8:24/mi
40K
3:23:48
24.85 mi
Rank: #16329 (-1)
24M → 40K
7:27 | 8:43/mi
25.2M
3:27:00
25.20 mi
Rank: #16320 (+9)
40K → 25.2M
3:12 | 9:17/mi
FINISH
3:35:24
26.22 mi
Rank: #16332 (-12)
25.2M → FINISH
8:24 | 8:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:30
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:49:54
Pace8:23 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1024:327:5424:32
7:54
-
10K
6.21 mi11:18:2849:508:0225:18
8:09
+0:15
15K
9.32 mi11:43:501:15:128:0525:22
8:10
+0:01
20K
12.43 mi12:08:501:40:128:0425:00
8:03
-0:07
HALF
13.11 mi12:14:081:45:308:035:18
7:47
-0:16
25K
15.53 mi12:33:292:04:518:0319:21
7:59
+0:12
30K
18.64 mi12:59:032:30:258:0525:34
8:14
+0:15
20M
20.00 mi13:10:322:41:548:0611:29
8:28
+0:14
21M
21.00 mi13:19:312:50:538:098:59
8:59
+0:31
35K
21.75 mi13:25:422:57:048:096:11
8:16
-0:43
23M
23.00 mi13:36:353:07:578:1110:53
8:42
+0:26
24M
24.00 mi13:44:593:16:218:118:24
8:24
-0:18
40K
24.85 mi13:52:263:23:488:127:27
8:43
+0:19
25.2M
25.20 mi13:55:383:27:008:133:12
9:17
+0:34
FINISH
26.22 mi14:04:023:35:248:148:24
8:15
-1:02

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

7:47 /mi

Average Pace

8:13 /mi

Slowest Pace

9:17 /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

3:04:53

86% of race

Time at Steady Pace

27:19

13% of race

Time at Slower Pace

3:12

1% of race

Average Pace: 8:13 /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 mi10:53:1024:327:5424:32
7:54
#16184
10K
6.21 mi11:18:2849:508:0225:18
8:09
#17231
15K
9.32 mi11:43:501:15:128:0525:22
8:10
#17546
20K
12.43 mi12:08:501:40:128:0425:00
8:03
#17280
HALF
13.11 mi12:14:081:45:308:035:18
7:47
#17176
25K
15.53 mi12:33:292:04:518:0319:21
7:59
#16851
30K
18.64 mi12:59:032:30:258:0525:34
8:14
#16510
20M
20.00 mi13:10:322:41:548:0611:29
8:28
#16435
21M
21.00 mi13:19:312:50:538:098:59
8:59
#16375
35K
21.75 mi13:25:422:57:048:096:11
8:16
#16326
23M
23.00 mi13:36:353:07:578:1110:53
8:42
#16347
24M
24.00 mi13:44:593:16:218:118:24
8:24
#16328
40K
24.85 mi13:52:263:23:488:127:27
8:43
#16329
25.2M
25.20 mi13:55:383:27:008:133:12
9:17
#16320
FINISH
26.22 mi14:04:023:35:248:148:24
8:15
#16332
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi161845434543418129(Top 62%)6543(Top 52%)6543(Top 377%)
10K6.21 mi3.10 mi17231-10476061-6276061-62718237(Top 63%)6599(Top 52%)6599(Top 380%)
15K9.32 mi3.11 mi17546-3156246-1856246-18518129(Top 62%)6543(Top 52%)6543(Top 377%)
20K12.43 mi3.11 mi17280+2666093+1536093+15316479(Top 57%)5643(Top 45%)5643(Top 325%)
HALF13.11 mi0.68 mi17176+1046036+576036+5715450(Top 53%)5016(Top 40%)5016(Top 289%)
25K15.53 mi2.42 mi16851+3255851+1855851+18515265(Top 53%)5014(Top 40%)5014(Top 289%)
30K18.64 mi3.11 mi16510+3415702+1495702+14915140(Top 52%)5052(Top 40%)5052(Top 291%)
20M20.00 mi1.36 mi16435+755674+285674+2815958(Top 55%)5617(Top 45%)5617(Top 323%)
21M21.00 mi1.00 mi16375+605657+175657+1716063(Top 55%)5728(Top 46%)5728(Top 330%)
35K21.75 mi0.75 mi16326+495644+135644+1316243(Top 56%)5889(Top 47%)5889(Top 339%)
23M23.00 mi1.25 mi16347-215671-275671-2716886(Top 58%)6362(Top 51%)6362(Top 366%)
24M24.00 mi1.00 mi16328+195688-175688-1716341(Top 56%)6091(Top 48%)6091(Top 351%)
40K24.85 mi0.85 mi16329-15707-195707-1916931(Top 58%)6474(Top 51%)6474(Top 373%)
25.2M25.20 mi0.35 mi16320+95712-55712-516254(Top 56%)6090(Top 48%)6090(Top 351%)
FINISH26.22 mi1.02 mi16332-125740-285740-2816689(Top 58%)6335(Top 50%)6335(Top 365%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

18129

Females

6543

F40-44

6543

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18237

Females

6599

F40-44

6599

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

18129

Females

6543

F40-44

6543

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16479

Females

5643

F40-44

5643

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15450

Females

5016

F40-44

5016

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15265

Females

5014

F40-44

5014

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15140

Females

5052

F40-44

5052

30K→20M

18.6 - 20.0 mi

Top 55%
×5
+64ft-50ft

Overall

15958

Females

5617

F40-44

5617

20M→21M

20.0 - 21.0 mi

Top 55%
×8
+106ft-24ft

Overall

16063

Females

5728

F40-44

5728

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16243

Females

5889

F40-44

5889

35K→23M

21.8 - 23.0 mi

Top 58%
×5
+23ft-63ft

Overall

16886

Females

6362

F40-44

6362

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16341

Females

6091

F40-44

6091

24M→40K

24.0 - 24.9 mi

Top 58%
×1
+6ft-20ft

Overall

16931

Females

6474

F40-44

6474

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16254

Females

6090

F40-44

6090

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16689

Females

6335

F40-44

6335

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1946*
Passed By
995
Net Change
-148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16184
5K → 10K49200-1047#16184#17231
10K → 15K88200-315#17231#17546
15K → 20K321*55+266#17546#17280
20K → HALF1073+104#17280#17176
HALF → 25K339*14+325#17176#16851
25K → 30K389*48+341#16851#16510
30K → 20M12247+75#16510#16435
20M → 21M11858+60#16435#16375
21M → 35K8738+49#16375#16326
35K → 23M86107-21#16326#16347
23M → 24M7960+19#16347#16328
24M → 40K7071-1#16328#16329
40K → 25.2M3324+9#16329#16320
25.2M → FINISH5870-12#16320#16332
TOTALS1946*995-148

* 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

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