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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nicolle Scaff

Bib: 20111 •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
Top 41%
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
25:17
3.11 mi
Rank: #17853
Start → 5K
25:17 | 8:09/mi
10K
50:45
6.21 mi
Rank: #18218 (-365)
5K → 10K
25:28 | 8:12/mi
15K
1:16:33
9.32 mi
Rank: #18478 (-260)
10K → 15K
25:48 | 8:19/mi
20K
1:42:35
12.43 mi
Rank: #18497 (-19)
15K → 20K
26:02 | 8:23/mi
HALF
1:48:10
13.11 mi
Rank: #18491 (+6)
20K → HALF
5:35 | 8:12/mi
25K
2:08:49
15.53 mi
Rank: #18487 (+4)
HALF → 25K
20:39 | 8:31/mi
30K
2:35:45
18.64 mi
Rank: #18362 (+125)
25K → 30K
26:56 | 8:41/mi
20M
2:47:32
20.00 mi
Rank: #18247 (+115)
30K → 20M
11:47 | 8:41/mi
21M
2:56:32
21.00 mi
Rank: #18105 (+142)
20M → 21M
9:00 | 9:00/mi
35K
3:02:52
21.75 mi
Rank: #18077 (+28)
21M → 35K
6:20 | 8:28/mi
23M
3:13:39
23.00 mi
Rank: #17956 (+121)
35K → 23M
10:47 | 8:38/mi
24M
3:22:03
24.00 mi
Rank: #17882 (+74)
23M → 24M
8:24 | 8:24/mi
40K
3:29:19
24.85 mi
Rank: #17782 (+100)
24M → 40K
7:16 | 8:30/mi
25.2M
3:32:28
25.20 mi
Rank: #17730 (+52)
40K → 25.2M
3:09 | 9:09/mi
FINISH
3:41:01
26.22 mi
Rank: #17712 (+18)
25.2M → FINISH
8:33 | 8:24/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:10
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:52:51
Pace8:37 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:0925:178:0925:17
8:09
-
10K
6.21 mi11:35:3750:458:1125:28
8:12
+0:03
15K
9.32 mi12:01:251:16:338:1325:48
8:19
+0:07
20K
12.43 mi12:27:271:42:358:1626:02
8:23
+0:04
HALF
13.11 mi12:33:021:48:108:165:35
8:12
-0:11
25K
15.53 mi12:53:412:08:498:1820:39
8:31
+0:19
30K
18.64 mi13:20:372:35:458:2226:56
8:41
+0:10
20M
20.00 mi13:32:242:47:328:2311:47
8:41
0:00
21M
21.00 mi13:41:242:56:328:259:00
9:00
+0:19
35K
21.75 mi13:47:443:02:528:256:20
8:28
-0:32
23M
23.00 mi13:58:313:13:398:2610:47
8:38
+0:10
24M
24.00 mi14:06:553:22:038:268:24
8:24
-0:14
40K
24.85 mi14:14:113:29:198:267:16
8:30
+0:06
25.2M
25.20 mi14:17:203:32:288:263:09
9:09
+0:39
FINISH
26.22 mi14:25:533:41:018:278:33
8:24
-0:45

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

8:09 /mi

Average Pace

8:26 /mi

Slowest Pace

9:09 /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

3:28:52

95% of race

Time at Steady Pace

12:09

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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 mi11:10:0925:178:0925:17
8:09
#17853
10K
6.21 mi11:35:3750:458:1125:28
8:12
#18218
15K
9.32 mi12:01:251:16:338:1325:48
8:19
#18478
20K
12.43 mi12:27:271:42:358:1626:02
8:23
#18497
HALF
13.11 mi12:33:021:48:108:165:35
8:12
#18491
25K
15.53 mi12:53:412:08:498:1820:39
8:31
#18487
30K
18.64 mi13:20:372:35:458:2226:56
8:41
#18362
20M
20.00 mi13:32:242:47:328:2311:47
8:41
#18247
21M
21.00 mi13:41:242:56:328:259:00
9:00
#18105
35K
21.75 mi13:47:443:02:528:256:20
8:28
#18077
23M
23.00 mi13:58:313:13:398:2610:47
8:38
#17956
24M
24.00 mi14:06:553:22:038:268:24
8:24
#17882
40K
24.85 mi14:14:113:29:198:267:16
8:30
#17782
25.2M
25.20 mi14:17:203:32:288:263:09
9:09
#17730
FINISH
26.22 mi14:25:533:41:018:278:33
8:24
#17712
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 mi178536420642019011(Top 66%)7044(Top 56%)7044(Top 406%)
10K6.21 mi3.10 mi18218-3656616-1966616-19618560(Top 64%)6777(Top 54%)6777(Top 390%)
15K9.32 mi3.11 mi18478-2606750-1346750-13419011(Top 66%)7044(Top 56%)7044(Top 406%)
20K12.43 mi3.11 mi18497-196759-96759-918594(Top 64%)6850(Top 54%)6850(Top 394%)
HALF13.11 mi0.68 mi18491+66765-66765-618389(Top 63%)6701(Top 53%)6701(Top 386%)
25K15.53 mi2.42 mi18487+46777-126777-1218675(Top 64%)6942(Top 55%)6942(Top 400%)
30K18.64 mi3.11 mi18362+1256740+376740+3717847(Top 61%)6584(Top 52%)6584(Top 379%)
20M20.00 mi1.36 mi18247+1156705+356705+3517281(Top 60%)6348(Top 50%)6348(Top 365%)
21M21.00 mi1.00 mi18105+1426644+616644+6116160(Top 56%)5781(Top 46%)5781(Top 333%)
35K21.75 mi0.75 mi18077+286639+56639+517425(Top 60%)6581(Top 52%)6581(Top 379%)
23M23.00 mi1.25 mi17956+1216594+456594+4516436(Top 57%)6108(Top 49%)6108(Top 352%)
24M24.00 mi1.00 mi17882+746574+206574+2016353(Top 56%)6103(Top 49%)6103(Top 351%)
40K24.85 mi0.85 mi17782+1006523+516523+5115719(Top 54%)5816(Top 46%)5816(Top 335%)
25.2M25.20 mi0.35 mi17730+526504+196504+1915535(Top 54%)5734(Top 46%)5734(Top 330%)
FINISH26.22 mi1.02 mi17712+186523-196523-1917582(Top 61%)6826(Top 54%)6826(Top 393%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19011

Females

7044

F40-44

7044

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18560

Females

6777

F40-44

6777

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19011

Females

7044

F40-44

7044

15K→20K

9.3 - 12.4 mi

Top 64%
×5
+106ft-86ft

Overall

18594

Females

6850

F40-44

6850

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18389

Females

6701

F40-44

6701

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18675

Females

6942

F40-44

6942

25K→30K

15.5 - 18.6 mi

Top 61%
×9
+181ft-148ft

Overall

17847

Females

6584

F40-44

6584

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17281

Females

6348

F40-44

6348

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16160

Females

5781

F40-44

5781

21M→35K

21.0 - 21.8 mi

Top 60%
×7
+17ft-86ft

Overall

17425

Females

6581

F40-44

6581

35K→23M

21.8 - 23.0 mi

Top 57%
×5
+23ft-63ft

Overall

16436

Females

6108

F40-44

6108

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16353

Females

6103

F40-44

6103

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15719

Females

5816

F40-44

5816

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15535

Females

5734

F40-44

5734

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17582

Females

6826

F40-44

6826

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1698*
Passed By
1093
Net Change
+141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17853
5K → 10K139200-365#17853#18218
10K → 15K100200-260#18218#18478
15K → 20K160179-19#18478#18497
20K → HALF2721+6#18497#18491
HALF → 25K131127+4#18491#18487
25K → 30K244*119+125#18487#18362
30K → 20M15338+115#18362#18247
20M → 21M15917+142#18247#18105
21M → 35K6436+28#18105#18077
35K → 23M15837+121#18077#17956
23M → 24M10935+74#17956#17882
24M → 40K11818+100#17882#17782
40K → 25.2M6210+52#17782#17730
25.2M → FINISH7456+18#17730#17712
TOTALS1698*1093+141

* 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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