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BOSTON MARATHON 2026

Nikki Niemeyer

Bib: 15702•F

OH

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0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 44%
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
23:37
3.11 mi
Rank: #13676
Start → 5K
23:37 | 7:37/mi
10K
47:40
6.21 mi
Rank: #14365 (-689)
5K → 10K
24:03 | 7:45/mi
15K
1:11:41
9.32 mi
Rank: #14476 (-111)
10K → 15K
24:01 | 7:44/mi
20K
1:36:12
12.43 mi
Rank: #14650 (-174)
15K → 20K
24:31 | 7:54/mi
HALF
1:41:34
13.11 mi
Rank: #14732 (-82)
20K → HALF
5:22 | 7:53/mi
25K
2:01:44
15.53 mi
Rank: #15228 (-496)
HALF → 25K
20:10 | 8:19/mi
30K
2:27:57
18.64 mi
Rank: #15486 (-258)
25K → 30K
26:13 | 8:27/mi
20M
2:40:32
20.00 mi
Rank: #15950 (-464)
30K → 20M
12:35 | 9:16/mi
21M
2:50:17
21.00 mi
Rank: #16176 (-226)
20M → 21M
9:45 | 9:45/mi
35K
2:56:32
21.75 mi
Rank: #16171 (+5)
21M → 35K
6:15 | 8:22/mi
23M
3:07:06
23.00 mi
Rank: #16087 (+84)
35K → 23M
10:34 | 8:27/mi
24M
3:15:35
24.00 mi
Rank: #16109 (-22)
23M → 24M
8:29 | 8:29/mi
40K
3:22:48
24.85 mi
Rank: #16064 (+45)
24M → 40K
7:13 | 8:27/mi
25.2M
3:25:53
25.20 mi
Rank: #16027 (+37)
40K → 25.2M
3:05 | 8:57/mi
FINISH
3:33:48
26.22 mi
Rank: #15928 (+99)
25.2M → FINISH
7:55 | 7:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:34
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:52:14
Pace8:34 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1023:377:3723:37
7:37
-
10K
6.21 mi11:20:1347:407:4124:03
7:45
+0:08
15K
9.32 mi11:44:141:11:417:4224:01
7:44
-0:01
20K
12.43 mi12:08:451:36:127:4524:31
7:54
+0:10
HALF
13.11 mi12:14:071:41:347:455:22
7:53
-0:01
25K
15.53 mi12:34:172:01:447:5120:10
8:19
+0:26
30K
18.64 mi13:00:302:27:577:5726:13
8:27
+0:08
20M
20.00 mi13:13:052:40:328:0212:35
9:16
+0:49
21M
21.00 mi13:22:502:50:178:079:45
9:45
+0:29
35K
21.75 mi13:29:052:56:328:086:15
8:22
-1:23
23M
23.00 mi13:39:393:07:068:0910:34
8:27
+0:05
24M
24.00 mi13:48:083:15:358:098:29
8:29
+0:02
40K
24.85 mi13:55:213:22:488:107:13
8:27
-0:02
25.2M
25.20 mi13:58:263:25:538:113:05
8:57
+0:30
FINISH
26.22 mi14:06:213:33:488:107:55
7:47
-1:10

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

7:37 /mi

Average Pace

8:10 /mi

Slowest Pace

9:45 /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

1:49:29

51% of race

Time at Steady Pace

1:18:54

37% of race

Time at Slower Pace

25:25

12% of race

Average Pace: 8:09 /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 mi10:56:1023:377:3723:37
7:37
#13676
10K
6.21 mi11:20:1347:407:4124:03
7:45
#14365
15K
9.32 mi11:44:141:11:417:4224:01
7:44
#14476
20K
12.43 mi12:08:451:36:127:4524:31
7:54
#14650
HALF
13.11 mi12:14:071:41:347:455:22
7:53
#14732
25K
15.53 mi12:34:172:01:447:5120:10
8:19
#15228
30K
18.64 mi13:00:302:27:577:5726:13
8:27
#15486
20M
20.00 mi13:13:052:40:328:0212:35
9:16
#15950
21M
21.00 mi13:22:502:50:178:079:45
9:45
#16176
35K
21.75 mi13:29:052:56:328:086:15
8:22
#16171
23M
23.00 mi13:39:393:07:068:0910:34
8:27
#16087
24M
24.00 mi13:48:083:15:358:098:29
8:29
#16109
40K
24.85 mi13:55:213:22:488:107:13
8:27
#16064
25.2M
25.20 mi13:58:263:25:538:113:05
8:57
#16027
FINISH
26.22 mi14:06:213:33:488:107:55
7:47
#15928
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 mi136763889388914791(Top 51%)4618(Top 37%)4618(Top 81%)
10K6.21 mi3.10 mi14365-6894316-4274316-42715109(Top 52%)4777(Top 38%)4777(Top 84%)
15K9.32 mi3.11 mi14476-1114407-914407-9114791(Top 51%)4618(Top 37%)4618(Top 81%)
20K12.43 mi3.11 mi14650-1744521-1144521-11415259(Top 53%)4954(Top 39%)4954(Top 87%)
HALF13.11 mi0.68 mi14732-824579-584579-5816195(Top 56%)5449(Top 43%)5449(Top 95%)
25K15.53 mi2.42 mi15228-4964892-3134892-31317519(Top 60%)6285(Top 50%)6285(Top 110%)
30K18.64 mi3.11 mi15486-2585093-2015093-20116501(Top 57%)5811(Top 46%)5811(Top 102%)
20M20.00 mi1.36 mi15950-4645392-2995392-29920132(Top 69%)7872(Top 63%)7872(Top 138%)
21M21.00 mi1.00 mi16176-2265547-1555547-15519576(Top 67%)7622(Top 61%)7622(Top 133%)
35K21.75 mi0.75 mi16171+55562-155562-1516777(Top 58%)6188(Top 49%)6188(Top 108%)
23M23.00 mi1.25 mi16087+845534+285534+2815368(Top 53%)5468(Top 43%)5468(Top 96%)
24M24.00 mi1.00 mi16109-225561-275561-2716812(Top 58%)6351(Top 50%)6351(Top 111%)
40K24.85 mi0.85 mi16064+455551+105551+1015317(Top 53%)5606(Top 45%)5606(Top 98%)
25.2M25.20 mi0.35 mi16027+375541+105541+1014453(Top 50%)5145(Top 41%)5145(Top 90%)
FINISH26.22 mi1.02 mi15928+995497+445497+4413572(Top 47%)4704(Top 37%)4704(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21
+97ft-345ft

Overall

14791

Females

4618

F18-39

4618

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15109

Females

4777

F18-39

4777

10K→15K

6.2 - 9.3 mi

Top 51%
×3
+67ft-78ft

Overall

14791

Females

4618

F18-39

4618

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15259

Females

4954

F18-39

4954

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16195

Females

5449

F18-39

5449

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17519

Females

6285

F18-39

6285

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16501

Females

5811

F18-39

5811

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

20132

Females

7872

F18-39

7872

20M→21M

20.0 - 21.0 mi

Top 67%
×8
+106ft-24ft

Overall

19576

Females

7622

F18-39

7622

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16777

Females

6188

F18-39

6188

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15368

Females

5468

F18-39

5468

23M→24M

23.0 - 24.0 mi

Top 58%
×6
+12ft-82ft

Overall

16812

Females

6351

F18-39

6351

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15317

Females

5606

F18-39

5606

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14453

Females

5145

F18-39

5145

25.2M→FINISH

25.2 - 26.2 mi

Top 47%
×2
+22ft-21ft

Overall

13572

Females

4704

F18-39

4704

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1143
Passed By
1759
Net Change
-2252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13676
5K → 10K98200-689#13676#14365
10K → 15K169200-111#14365#14476
15K → 20K112200-174#14476#14650
20K → HALF1193-82#14650#14732
HALF → 25K49200-496#14732#15228
25K → 30K120200-258#15228#15486
30K → 20M21200-464#15486#15950
20M → 21M49200-226#15950#16176
21M → 35K6257+5#16176#16171
35K → 23M14359+84#16171#16087
23M → 24M5779-22#16087#16109
24M → 40K8641+45#16109#16064
40K → 25.2M4811+37#16064#16027
25.2M → FINISH11819+99#16027#15928
TOTALS11431759-2252
📊

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