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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Natacha Kozmann

Bib: 11614 β€’F β€’Age: N/A

NY

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51Β°/41Β°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
25:02
3.11 mi
Rank: #17359
Start β†’ 5K
25:02 | 8:04/mi
10K
50:04
6.21 mi
Rank: #17499 (-140)
5K β†’ 10K
25:02 | 8:04/mi
15K
1:14:45
9.32 mi
Rank: #17211 (+288)
10K β†’ 15K
24:41 | 7:57/mi
20K
1:39:26
12.43 mi
Rank: #16810 (+401)
15K β†’ 20K
24:41 | 7:57/mi
HALF
1:44:49
13.11 mi
Rank: #16778 (+32)
20K β†’ HALF
5:23 | 7:54/mi
25K
2:04:23
15.53 mi
Rank: #16609 (+169)
HALF β†’ 25K
19:34 | 8:05/mi
30K
2:30:10
18.64 mi
Rank: #16410 (+199)
25K β†’ 30K
25:47 | 8:18/mi
20M
2:41:59
20.00 mi
Rank: #16463 (-53)
30K β†’ 20M
11:49 | 8:42/mi
21M
2:52:06
21.00 mi
Rank: #16775 (-312)
20M β†’ 21M
10:07 | 10:07/mi
35K
2:58:10
21.75 mi
Rank: #16687 (+88)
21M β†’ 35K
6:04 | 8:07/mi
23M
3:10:23
23.00 mi
Rank: #17056 (-369)
35K β†’ 23M
12:13 | 9:46/mi
24M
3:18:56
24.00 mi
Rank: #17045 (+11)
23M β†’ 24M
8:33 | 8:33/mi
40K
3:26:19
24.85 mi
Rank: #17009 (+36)
24M β†’ 40K
7:23 | 8:39/mi
25.2M
3:29:45
25.20 mi
Rank: #17044 (-35)
40K β†’ 25.2M
3:26 | 9:58/mi
FINISH
3:37:29
26.22 mi
Rank: #16864 (+180)
25.2M β†’ FINISH
7:44 | 7:36/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:49
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:52:40
Pace8:36 /mi
πŸ“ŠPositive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:0325:028:0425:02
8:04
-
10K
6.21 mi11:10:0550:048:0425:02
8:04
0:00
15K
9.32 mi11:34:461:14:458:0224:41
7:57
-0:07
20K
12.43 mi11:59:271:39:268:0124:41
7:57
0:00
HALF
13.11 mi12:04:501:44:498:005:23
7:54
-0:03
25K
15.53 mi12:24:242:04:238:0119:34
8:05
+0:11
30K
18.64 mi12:50:112:30:108:0425:47
8:18
+0:13
20M
20.00 mi13:02:002:41:598:0611:49
8:42
+0:24
21M
21.00 mi13:12:072:52:068:1210:07
10:07
+1:25
35K
21.75 mi13:18:112:58:108:126:04
8:07
-2:00
23M
23.00 mi13:30:243:10:238:1712:13
9:46
+1:39
24M
24.00 mi13:38:573:18:568:188:33
8:33
-1:13
40K
24.85 mi13:46:203:26:198:197:23
8:39
+0:06
25.2M
25.20 mi13:49:463:29:458:203:26
9:58
+1:19
FINISH
26.22 mi13:57:303:37:298:197:44
7:36
-2:22

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:36 /mi

Average Pace

8:18 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

7:44

4% of race

Time at Steady Pace

2:36:14

72% of race

Time at Slower Pace

53:31

25% of race

Average Pace: 8:18 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:45:0325:028:0425:02
8:04
#17359
10K
6.21 mi11:10:0550:048:0425:02
8:04
#17499
15K
9.32 mi11:34:461:14:458:0224:41
7:57
#17211
20K
12.43 mi11:59:271:39:268:0124:41
7:57
#16810
HALF
13.11 mi12:04:501:44:498:005:23
7:54
#16778
25K
15.53 mi12:24:242:04:238:0119:34
8:05
#16609
30K
18.64 mi12:50:112:30:108:0425:47
8:18
#16410
20M
20.00 mi13:02:002:41:598:0611:49
8:42
#16463
21M
21.00 mi13:12:072:52:068:1210:07
10:07
#16775
35K
21.75 mi13:18:112:58:108:126:04
8:07
#16687
23M
23.00 mi13:30:243:10:238:1712:13
9:46
#17056
24M
24.00 mi13:38:573:18:568:188:33
8:33
#17045
40K
24.85 mi13:46:203:26:198:197:23
8:39
#17009
25.2M
25.20 mi13:49:463:29:458:203:26
9:58
#17044
FINISH
26.22 mi13:57:303:37:298:197:44
7:36
#16864
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 mi173596126612616578(Top 57%)5660(Top 45%)5660(Top 99%)
10K6.21 mi3.10 mi17499-1406210-846210-8417684(Top 61%)6313(Top 50%)6313(Top 110%)
15K9.32 mi3.11 mi17211+2886053+1576053+15716578(Top 57%)5660(Top 45%)5660(Top 99%)
20K12.43 mi3.11 mi16810+4015820+2335820+23315724(Top 54%)5231(Top 42%)5231(Top 92%)
HALF13.11 mi0.68 mi16778+325808+125808+1216412(Top 57%)5600(Top 45%)5600(Top 98%)
25K15.53 mi2.42 mi16609+1695709+995709+9915933(Top 55%)5391(Top 43%)5391(Top 94%)
30K18.64 mi3.11 mi16410+1995642+675642+6715627(Top 54%)5324(Top 42%)5324(Top 93%)
20M20.00 mi1.36 mi16463-535689-475689-4717399(Top 60%)6406(Top 51%)6406(Top 112%)
21M21.00 mi1.00 mi16775-3125875-1865875-18620806(Top 72%)8267(Top 66%)8267(Top 145%)
35K21.75 mi0.75 mi16687+885834+415834+4115272(Top 53%)5345(Top 42%)5345(Top 94%)
23M23.00 mi1.25 mi17056-3696076-2426076-24221447(Top 74%)8709(Top 69%)8709(Top 152%)
24M24.00 mi1.00 mi17045+116088-126088-1217188(Top 59%)6576(Top 52%)6576(Top 115%)
40K24.85 mi0.85 mi17009+366090-26090-216501(Top 57%)6251(Top 50%)6251(Top 109%)
25.2M25.20 mi0.35 mi17044-356117-276117-2719260(Top 66%)7683(Top 61%)7683(Top 134%)
FINISH26.22 mi1.02 mi16864+1806041+766041+7612192(Top 42%)3985(Top 32%)3985(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
Γ—21
+97ft-345ft

Overall

16578

Females

5660

F18-39

5660

5K→10K

3.1 - 6.2 mi

Top 61%
Γ—5
+79ft-138ft

Overall

17684

Females

6313

F18-39

6313

10K→15K

6.2 - 9.3 mi

Top 57%
Γ—3
+67ft-78ft

Overall

16578

Females

5660

F18-39

5660

15K→20K

9.3 - 12.4 mi

Top 54%
Γ—5
+106ft-86ft

Overall

15724

Females

5231

F18-39

5231

20K→HALF

12.4 - 13.1 mi

Top 57%
Γ—2
+19ft-37ft

Overall

16412

Females

5600

F18-39

5600

HALF→25K

13.1 - 15.5 mi

Top 55%
Γ—4
+66ft-88ft

Overall

15933

Females

5391

F18-39

5391

25K→30K

15.5 - 18.6 mi

Top 54%
Γ—9
+181ft-148ft

Overall

15627

Females

5324

F18-39

5324

30K→20M

18.6 - 20.0 mi

Top 60%
Γ—5
+64ft-50ft

Overall

17399

Females

6406

F18-39

6406

20M→21M

20.0 - 21.0 mi

Top 72%
Γ—8
+106ft-24ft

Overall

20806

Females

8267

F18-39

8267

21M→35K

21.0 - 21.8 mi

Top 53%
Γ—7
+17ft-86ft

Overall

15272

Females

5345

F18-39

5345

35K→23M

21.8 - 23.0 mi

Top 74%
Γ—5
+23ft-63ft

Overall

21447

Females

8709

F18-39

8709

23M→24M

23.0 - 24.0 mi

Top 59%
Γ—6
+12ft-82ft

Overall

17188

Females

6576

F18-39

6576

24M→40K

24.0 - 24.9 mi

Top 57%
Γ—1
+6ft-20ft

Overall

16501

Females

6251

F18-39

6251

40K→25.2M

24.9 - 25.2 mi

Top 66%
Γ—1
+13ft-16ft

Overall

19260

Females

7683

F18-39

7683

25.2M→FINISH

25.2 - 26.2 mi

Top 42%
Γ—2
+22ft-21ft

Overall

12192

Females

3985

F18-39

3985

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2158*
Passed By
1180
Net Change
+495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#17359
5K β†’ 10K200200-140#17359#17499
10K β†’ 15K367*79+288#17499#17211
15K β†’ 20K437*36+401#17211#16810
20K β†’ HALF4513+32#16810#16778
HALF β†’ 25K217*48+169#16778#16609
25K β†’ 30K290*91+199#16609#16410
30K β†’ 20M78131-53#16410#16463
20M β†’ 21M33200-312#16463#16775
21M β†’ 35K10416+88#16775#16687
35K β†’ 23M29200-369#16687#17056
23M β†’ 24M8271+11#17056#17045
24M β†’ 40K7741+36#17045#17009
40K β†’ 25.2M1651-35#17009#17044
25.2M β†’ FINISH1833+180#17044#16864
TOTALS2158*1180+495

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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