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BOSTON MARATHON 2026

Katie Nussdorfer

Bib: 28264•F

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
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
28:26
3.11 mi
Rank: #23283
Start → 5K
28:26 | 9:10/mi
10K
54:51
6.21 mi
Rank: #21947 (+1336)
5K → 10K
26:25 | 8:31/mi
15K
1:20:45
9.32 mi
Rank: #21099 (+848)
10K → 15K
25:54 | 8:21/mi
20K
1:47:55
12.43 mi
Rank: #20970 (+129)
15K → 20K
27:10 | 8:45/mi
HALF
1:53:57
13.11 mi
Rank: #21014 (-44)
20K → HALF
6:02 | 8:52/mi
25K
2:17:11
15.53 mi
Rank: #21479 (-465)
HALF → 25K
23:14 | 9:35/mi
30K
2:47:45
18.64 mi
Rank: #21770 (-291)
25K → 30K
30:34 | 9:51/mi
20M
3:01:11
20.00 mi
Rank: #21818 (-48)
30K → 20M
13:26 | 9:54/mi
21M
3:12:02
21.00 mi
Rank: #21876 (-58)
20M → 21M
10:51 | 10:51/mi
35K
3:19:14
21.75 mi
Rank: #21910 (-34)
21M → 35K
7:12 | 9:38/mi
23M
3:32:16
23.00 mi
Rank: #22044 (-134)
35K → 23M
13:02 | 10:25/mi
24M
3:41:35
24.00 mi
Rank: #21987 (+57)
23M → 24M
9:19 | 9:19/mi
40K
3:50:15
24.85 mi
Rank: #22015 (-28)
24M → 40K
8:40 | 10:09/mi
25.2M
3:53:56
25.20 mi
Rank: #22008 (+7)
40K → 25.2M
3:41 | 10:41/mi
FINISH
4:03:14
26.22 mi
Rank: #21977 (+31)
25.2M → FINISH
9:18 | 9:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:57
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:09:17
Pace9:52 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3528:269:1028:26
9:10
-
10K
6.21 mi12:23:0054:518:5026:25
8:31
-0:39
15K
9.32 mi12:48:541:20:458:4025:54
8:21
-0:10
20K
12.43 mi13:16:041:47:558:4227:10
8:45
+0:24
HALF
13.11 mi13:22:061:53:578:426:02
8:52
+0:07
25K
15.53 mi13:45:202:17:118:5023:14
9:35
+0:43
30K
18.64 mi14:15:542:47:459:0030:34
9:51
+0:16
20M
20.00 mi14:29:203:01:119:0413:26
9:54
+0:03
21M
21.00 mi14:40:113:12:029:0910:51
10:51
+0:57
35K
21.75 mi14:47:233:19:149:107:12
9:38
-1:13
23M
23.00 mi15:00:253:32:169:1413:02
10:25
+0:47
24M
24.00 mi15:09:443:41:359:149:19
9:19
-1:06
40K
24.85 mi15:18:243:50:159:168:40
10:09
+0:50
25.2M
25.20 mi15:22:053:53:569:173:41
10:41
+0:32
FINISH
26.22 mi15:31:234:03:149:189:18
9:08
-1:33

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

8:21 /mi

Average Pace

9:17 /mi

Slowest Pace

10:51 /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

2:03:15

51% of race

Time at Steady Pace

1:23:45

34% of race

Time at Slower Pace

36:14

15% of race

Average Pace: 9:17 /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 mi11:56:3528:269:1028:26
9:10
#23283
10K
6.21 mi12:23:0054:518:5026:25
8:31
#21947
15K
9.32 mi12:48:541:20:458:4025:54
8:21
#21099
20K
12.43 mi13:16:041:47:558:4227:10
8:45
#20970
HALF
13.11 mi13:22:061:53:578:426:02
8:52
#21014
25K
15.53 mi13:45:202:17:118:5023:14
9:35
#21479
30K
18.64 mi14:15:542:47:459:0030:34
9:51
#21770
20M
20.00 mi14:29:203:01:119:0413:26
9:54
#21818
21M
21.00 mi14:40:113:12:029:0910:51
10:51
#21876
35K
21.75 mi14:47:233:19:149:107:12
9:38
#21910
23M
23.00 mi15:00:253:32:169:1413:02
10:25
#22044
24M
24.00 mi15:09:443:41:359:149:19
9:19
#21987
40K
24.85 mi15:18:243:50:159:168:40
10:09
#22015
25.2M
25.20 mi15:22:053:53:569:173:41
10:41
#22008
FINISH
26.22 mi15:31:234:03:149:189:18
9:08
#21977
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 mi232839313931319216(Top 66%)7163(Top 57%)7163(Top 412%)
10K6.21 mi3.10 mi21947+13368644+6698644+66920375(Top 70%)7797(Top 62%)7797(Top 449%)
15K9.32 mi3.11 mi21099+8488194+4508194+45019216(Top 66%)7163(Top 57%)7163(Top 412%)
20K12.43 mi3.11 mi20970+1298136+588136+5820686(Top 71%)7989(Top 64%)7989(Top 460%)
HALF13.11 mi0.68 mi21014-448159-238159-2322095(Top 76%)8685(Top 69%)8685(Top 500%)
25K15.53 mi2.42 mi21479-4658412-2538412-25323250(Top 80%)9330(Top 74%)9330(Top 537%)
30K18.64 mi3.11 mi21770-2918559-1478559-14722679(Top 78%)9110(Top 72%)9110(Top 524%)
20M20.00 mi1.36 mi21818-488610-518610-5122283(Top 77%)8996(Top 72%)8996(Top 518%)
21M21.00 mi1.00 mi21876-588648-388648-3822793(Top 79%)9304(Top 74%)9304(Top 536%)
35K21.75 mi0.75 mi21910-348679-318679-3122153(Top 76%)9029(Top 72%)9029(Top 520%)
23M23.00 mi1.25 mi22044-1348774-958774-9523179(Top 80%)9608(Top 76%)9608(Top 553%)
24M24.00 mi1.00 mi21987+578746+288746+2820707(Top 71%)8402(Top 67%)8402(Top 484%)
40K24.85 mi0.85 mi22015-288769-238769-2322313(Top 77%)9257(Top 74%)9257(Top 533%)
25.2M25.20 mi0.35 mi22008+78769876921621(Top 75%)8881(Top 71%)8881(Top 511%)
FINISH26.22 mi1.02 mi21977+318769876921051(Top 73%)8605(Top 68%)8605(Top 495%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19216

Females

7163

F40-44

7163

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20375

Females

7797

F40-44

7797

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19216

Females

7163

F40-44

7163

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20686

Females

7989

F40-44

7989

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22095

Females

8685

F40-44

8685

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23250

Females

9330

F40-44

9330

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22679

Females

9110

F40-44

9110

30K→20M

18.6 - 20.0 mi

Top 77%
×5
+64ft-50ft

Overall

22283

Females

8996

F40-44

8996

20M→21M

20.0 - 21.0 mi

Top 79%
×8
+106ft-24ft

Overall

22793

Females

9304

F40-44

9304

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

22153

Females

9029

F40-44

9029

35K→23M

21.8 - 23.0 mi

Top 80%
×5
+23ft-63ft

Overall

23179

Females

9608

F40-44

9608

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20707

Females

8402

F40-44

8402

24M→40K

24.0 - 24.9 mi

Top 77%
×1
+6ft-20ft

Overall

22313

Females

9257

F40-44

9257

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21621

Females

8881

F40-44

8881

25.2M→FINISH

25.2 - 26.2 mi

Top 73%
×2
+22ft-21ft

Overall

21051

Females

8605

F40-44

8605

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2970
Passed By
1664
Net Change
+1306
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23283
5K → 10K135216+1336#23283#21947
10K → 15K8557+848#21947#21099
15K → 20K22293+129#21099#20970
20K → HALF1559-44#20970#21014
HALF → 25K36501-465#21014#21479
25K → 30K83374-291#21479#21770
30K → 20M77125-48#21770#21818
20M → 21M59117-58#21818#21876
21M → 35K3771-34#21876#21910
35K → 23M48182-134#21910#22044
23M → 24M7821+57#22044#21987
24M → 40K3058-28#21987#22015
40K → 25.2M2619+7#22015#22008
25.2M → FINISH5221+31#22008#21977
TOTALS29701664+1306
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing