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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Carla Nietmann

Bib: 29508 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
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
32:28
3.11 mi
Rank: #27091
Start → 5K
32:28 | 10:28/mi
10K
1:04:29
6.21 mi
Rank: #26787 (+304)
5K → 10K
32:01 | 10:19/mi
15K
1:38:31
9.32 mi
Rank: #27030 (-243)
10K → 15K
34:02 | 10:58/mi
20K
2:15:32
12.43 mi
Rank: #27378 (-348)
15K → 20K
37:01 | 11:55/mi
HALF
2:23:29
13.11 mi
Rank: #27442 (-64)
20K → HALF
7:57 | 11:40/mi
25K
2:56:04
15.53 mi
Rank: #27728 (-286)
HALF → 25K
32:35 | 13:27/mi
30K
3:41:00
18.64 mi
Rank: #27984 (-256)
25K → 30K
44:56 | 14:28/mi
20M
4:01:13
20.00 mi
Rank: #28047 (-63)
30K → 20M
20:13 | 14:54/mi
21M
4:18:24
21.00 mi
Rank: #28153 (-106)
20M → 21M
17:11 | 17:11/mi
35K
4:29:26
21.75 mi
Rank: #28190 (-37)
21M → 35K
11:02 | 14:45/mi
23M
4:48:01
23.00 mi
Rank: #28238 (-48)
35K → 23M
18:35 | 14:51/mi
24M
5:01:44
24.00 mi
Rank: #28252 (-14)
23M → 24M
13:43 | 13:43/mi
40K
5:14:52
24.85 mi
Rank: #28278 (-26)
24M → 40K
13:08 | 15:22/mi
25.2M
5:21:00
25.20 mi
Rank: #28318 (-40)
40K → 25.2M
6:08 | 17:48/mi
FINISH
5:35:51
26.22 mi
Rank: #28374 (-56)
25.2M → FINISH
14:51 | 14:35/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
Time2:23:29
Pace10:57 /mi
2nd Half
Distance13.11 mi
Time3:12:22
Pace14:41 /mi
📊Positive Split: 34.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:2232:2810:2832:28
10:28
-
10K
6.21 mi12:29:231:04:2910:2332:01
10:19
-0:09
15K
9.32 mi13:03:251:38:3110:3534:02
10:58
+0:39
20K
12.43 mi13:40:262:15:3210:5537:01
11:55
+0:57
HALF
13.11 mi13:48:232:23:2910:577:57
11:40
-0:15
25K
15.53 mi14:20:582:56:0411:2132:35
13:27
+1:47
30K
18.64 mi15:05:543:41:0011:5244:56
14:28
+1:01
20M
20.00 mi15:26:074:01:1312:0420:13
14:54
+0:26
21M
21.00 mi15:43:184:18:2412:1917:11
17:11
+2:17
35K
21.75 mi15:54:204:29:2612:2411:02
14:45
-2:26
23M
23.00 mi16:12:554:48:0112:3218:35
14:51
+0:06
24M
24.00 mi16:26:385:01:4412:3513:43
13:43
-1:08
40K
24.85 mi16:39:465:14:5212:4113:08
15:22
+1:39
25.2M
25.20 mi16:45:545:21:0012:456:08
17:48
+2:26
FINISH
26.22 mi17:00:455:35:5112:5014:51
14:35
-3:13

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

10:19 /mi

Average Pace

12:49 /mi

Slowest Pace

17:48 /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

2:23:29

43% of race

Time at Steady Pace

2:49:03

50% of race

Time at Slower Pace

23:19

7% of race

Average Pace: 12:49 /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 mi11:57:2232:2810:2832:28
10:28
#27091
10K
6.21 mi12:29:231:04:2910:2332:01
10:19
#26787
15K
9.32 mi13:03:251:38:3110:3534:02
10:58
#27030
20K
12.43 mi13:40:262:15:3210:5537:01
11:55
#27378
HALF
13.11 mi13:48:232:23:2910:577:57
11:40
#27442
25K
15.53 mi14:20:582:56:0411:2132:35
13:27
#27728
30K
18.64 mi15:05:543:41:0011:5244:56
14:28
#27984
20M
20.00 mi15:26:074:01:1312:0420:13
14:54
#28047
21M
21.00 mi15:43:184:18:2412:1917:11
17:11
#28153
35K
21.75 mi15:54:204:29:2612:2411:02
14:45
#28190
23M
23.00 mi16:12:554:48:0112:3218:35
14:51
#28238
24M
24.00 mi16:26:385:01:4412:3513:43
13:43
#28252
40K
24.85 mi16:39:465:14:5212:4113:08
15:22
#28278
25.2M
25.20 mi16:45:545:21:0012:456:08
17:48
#28318
FINISH
26.22 mi17:00:455:35:5112:5014:51
14:35
#28374
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 mi27091113301133027369(Top 94%)11529(Top 92%)11529(Top 646%)
10K6.21 mi3.10 mi26787+30411173+15711173+15726552(Top 91%)11046(Top 88%)11046(Top 618%)
15K9.32 mi3.11 mi27030-24311305-13211305-13227369(Top 94%)11529(Top 92%)11529(Top 646%)
20K12.43 mi3.11 mi27378-34811525-22011525-22027950(Top 96%)11888(Top 95%)11888(Top 666%)
HALF13.11 mi0.68 mi27442-6411564-3911564-3928052(Top 97%)11993(Top 95%)11993(Top 672%)
25K15.53 mi2.42 mi27728-28611743-17911743-17928466(Top 98%)12239(Top 97%)12239(Top 685%)
30K18.64 mi3.11 mi27984-25611914-17111914-17128599(Top 99%)12360(Top 98%)12360(Top 692%)
20M20.00 mi1.36 mi28047-6311961-4711961-4728574(Top 98%)12352(Top 98%)12352(Top 692%)
21M21.00 mi1.00 mi28153-10612024-6312024-6328852(Top 99%)12497(Top 99%)12497(Top 700%)
35K21.75 mi0.75 mi28190-3712049-2512049-2528641(Top 99%)12422(Top 99%)12422(Top 696%)
23M23.00 mi1.25 mi28238-4812082-3312082-3328593(Top 99%)12391(Top 99%)12391(Top 694%)
24M24.00 mi1.00 mi28252-1412096-1412096-1428182(Top 97%)12210(Top 97%)12210(Top 684%)
40K24.85 mi0.85 mi28278-2612115-1912115-1928605(Top 99%)12413(Top 99%)12413(Top 695%)
25.2M25.20 mi0.35 mi28318-4012142-2712142-2728844(Top 99%)12525(Top 100%)12525(Top 701%)
FINISH26.22 mi1.02 mi28374-5612188-4612188-4628783(Top 99%)12494(Top 99%)12494(Top 700%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21
+97ft-345ft

Overall

27369

Females

11529

F45-49

11529

5K→10K

3.1 - 6.2 mi

Top 91%
×5
+79ft-138ft

Overall

26552

Females

11046

F45-49

11046

10K→15K

6.2 - 9.3 mi

Top 94%
×3
+67ft-78ft

Overall

27369

Females

11529

F45-49

11529

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27950

Females

11888

F45-49

11888

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28052

Females

11993

F45-49

11993

HALF→25K

13.1 - 15.5 mi

Top 98%
×4
+66ft-88ft

Overall

28466

Females

12239

F45-49

12239

25K→30K

15.5 - 18.6 mi

Top 99%
×9
+181ft-148ft

Overall

28599

Females

12360

F45-49

12360

30K→20M

18.6 - 20.0 mi

Top 98%
×5
+64ft-50ft

Overall

28574

Females

12352

F45-49

12352

20M→21M

20.0 - 21.0 mi

Top 99%
×8
+106ft-24ft

Overall

28852

Females

12497

F45-49

12497

21M→35K

21.0 - 21.8 mi

Top 99%
×7
+17ft-86ft

Overall

28641

Females

12422

F45-49

12422

35K→23M

21.8 - 23.0 mi

Top 99%
×5
+23ft-63ft

Overall

28593

Females

12391

F45-49

12391

23M→24M

23.0 - 24.0 mi

Top 97%
×6
+12ft-82ft

Overall

28182

Females

12210

F45-49

12210

24M→40K

24.0 - 24.9 mi

Top 99%
×1
+6ft-20ft

Overall

28605

Females

12413

F45-49

12413

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1
+13ft-16ft

Overall

28844

Females

12525

F45-49

12525

25.2M→FINISH

25.2 - 26.2 mi

Top 99%
×2
+22ft-21ft

Overall

28783

Females

12494

F45-49

12494

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
528*
Passed By
1381
Net Change
-1283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27091
5K → 10K368*64+304#27091#26787
10K → 15K46200-243#26787#27030
15K → 20K20200-348#27030#27378
20K → HALF1579-64#27378#27442
HALF → 25K15200-286#27442#27728
25K → 30K16200-256#27728#27984
30K → 20M1073-63#27984#28047
20M → 21M2108-106#28047#28153
21M → 35K239-37#28153#28190
35K → 23M1058-48#28190#28238
23M → 24M1125-14#28238#28252
24M → 40K733-26#28252#28278
40K → 25.2M040-40#28278#28318
25.2M → FINISH662-56#28318#28374
TOTALS528*1381-1283

* 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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