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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nicole Sims

Bib: 21608 •F •Age: N/A

TX

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Masters (Masters Women)
#0 / 6862
Top 33%
Age Group (F45-49)
#0 / 1786
Top 40%
Race Day Weather
51°/41°F
overcast clouds
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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
25:41
3.11 mi
Rank: #18663
Start → 5K
25:41 | 8:16/mi
10K
51:29
6.21 mi
Rank: #18938 (-275)
5K → 10K
25:48 | 8:19/mi
15K
1:17:07
9.32 mi
Rank: #18852 (+86)
10K → 15K
25:38 | 8:16/mi
20K
1:42:55
12.43 mi
Rank: #18644 (+208)
15K → 20K
25:48 | 8:19/mi
HALF
1:48:31
13.11 mi
Rank: #18634 (+10)
20K → HALF
5:36 | 8:13/mi
25K
2:08:22
15.53 mi
Rank: #18336 (+298)
HALF → 25K
19:51 | 8:12/mi
30K
2:33:41
18.64 mi
Rank: #17667 (+669)
25K → 30K
25:19 | 8:09/mi
20M
2:44:47
20.00 mi
Rank: #17411 (+256)
30K → 20M
11:06 | 8:11/mi
21M
2:53:18
21.00 mi
Rank: #17146 (+265)
20M → 21M
8:31 | 8:31/mi
35K
2:59:26
21.75 mi
Rank: #17081 (+65)
21M → 35K
6:08 | 8:12/mi
23M
3:09:42
23.00 mi
Rank: #16866 (+215)
35K → 23M
10:16 | 8:13/mi
24M
3:17:48
24.00 mi
Rank: #16753 (+113)
23M → 24M
8:06 | 8:06/mi
40K
3:24:46
24.85 mi
Rank: #16620 (+133)
24M → 40K
6:58 | 8:09/mi
25.2M
3:27:46
25.20 mi
Rank: #16535 (+85)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:35:49
26.22 mi
Rank: #16434 (+101)
25.2M → FINISH
8:03 | 7:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:48:31
Pace8:17 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:47:18
Pace8:12 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4725:418:1625:41
8:16
-
10K
6.21 mi11:52:3551:298:1825:48
8:19
+0:03
15K
9.32 mi12:18:131:17:078:1725:38
8:16
-0:03
20K
12.43 mi12:44:011:42:558:1725:48
8:19
+0:03
HALF
13.11 mi12:49:371:48:318:175:36
8:13
-0:06
25K
15.53 mi13:09:282:08:228:1619:51
8:12
-0:01
30K
18.64 mi13:34:472:33:418:1525:19
8:09
-0:03
20M
20.00 mi13:45:532:44:478:1511:06
8:11
+0:02
21M
21.00 mi13:54:242:53:188:168:31
8:31
+0:20
35K
21.75 mi14:00:322:59:268:166:08
8:12
-0:19
23M
23.00 mi14:10:483:09:428:1510:16
8:13
+0:01
24M
24.00 mi14:18:543:17:488:158:06
8:06
-0:07
40K
24.85 mi14:25:523:24:468:156:58
8:09
+0:03
25.2M
25.20 mi14:28:523:27:468:153:00
8:42
+0:33
FINISH
26.22 mi14:36:553:35:498:158:03
7:54
-0:48

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

7:54 /mi

Average Pace

8:14 /mi

Slowest Pace

8:42 /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

3:32:49

99% of race

Time at Steady Pace

3:00

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:26:4725:418:1625:41
8:16
#18663
10K
6.21 mi11:52:3551:298:1825:48
8:19
#18938
15K
9.32 mi12:18:131:17:078:1725:38
8:16
#18852
20K
12.43 mi12:44:011:42:558:1725:48
8:19
#18644
HALF
13.11 mi12:49:371:48:318:175:36
8:13
#18634
25K
15.53 mi13:09:282:08:228:1619:51
8:12
#18336
30K
18.64 mi13:34:472:33:418:1525:19
8:09
#17667
20M
20.00 mi13:45:532:44:478:1511:06
8:11
#17411
21M
21.00 mi13:54:242:53:188:168:31
8:31
#17146
35K
21.75 mi14:00:322:59:268:166:08
8:12
#17081
23M
23.00 mi14:10:483:09:428:1510:16
8:13
#16866
24M
24.00 mi14:18:543:17:488:158:06
8:06
#16753
40K
24.85 mi14:25:523:24:468:156:58
8:09
#16620
25.2M
25.20 mi14:28:523:27:468:153:00
8:42
#16535
FINISH
26.22 mi14:36:553:35:498:158:03
7:54
#16434
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 mi186636881688118691(Top 64%)6861(Top 55%)6861(Top 384%)
10K6.21 mi3.10 mi18938-2757032-1517032-15119202(Top 66%)7132(Top 57%)7132(Top 399%)
15K9.32 mi3.11 mi18852+866963+696963+6918691(Top 64%)6861(Top 55%)6861(Top 384%)
20K12.43 mi3.11 mi18644+2086854+1096854+10918121(Top 62%)6581(Top 52%)6581(Top 368%)
HALF13.11 mi0.68 mi18634+106852+26852+218492(Top 64%)6741(Top 54%)6741(Top 377%)
25K15.53 mi2.42 mi18336+2986688+1646688+16416712(Top 58%)5830(Top 46%)5830(Top 326%)
30K18.64 mi3.11 mi17667+6696338+3506338+35014595(Top 50%)4742(Top 38%)4742(Top 266%)
20M20.00 mi1.36 mi17411+2566209+1296209+12914110(Top 49%)4562(Top 36%)4562(Top 255%)
21M21.00 mi1.00 mi17146+2656075+1346075+13413273(Top 46%)4214(Top 34%)4214(Top 236%)
35K21.75 mi0.75 mi17081+656064+116064+1115836(Top 55%)5665(Top 45%)5665(Top 317%)
23M23.00 mi1.25 mi16866+2155966+985966+9813865(Top 48%)4644(Top 37%)4644(Top 260%)
24M24.00 mi1.00 mi16753+1135915+515915+5114463(Top 50%)5058(Top 40%)5058(Top 283%)
40K24.85 mi0.85 mi16620+1335865+505865+5013505(Top 47%)4626(Top 37%)4626(Top 259%)
25.2M25.20 mi0.35 mi16535+855830+355830+3513013(Top 45%)4401(Top 35%)4401(Top 246%)
FINISH26.22 mi1.02 mi16434+1015796+345796+3414538(Top 50%)5208(Top 41%)5208(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18691

Females

6861

F45-49

6861

5K→10K

3.1 - 6.2 mi

Top 66%
×5
+79ft-138ft

Overall

19202

Females

7132

F45-49

7132

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18691

Females

6861

F45-49

6861

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

18121

Females

6581

F45-49

6581

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18492

Females

6741

F45-49

6741

HALF→25K

13.1 - 15.5 mi

Top 58%
×4
+66ft-88ft

Overall

16712

Females

5830

F45-49

5830

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14595

Females

4742

F45-49

4742

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14110

Females

4562

F45-49

4562

20M→21M

20.0 - 21.0 mi

Top 46%
×8
+106ft-24ft

Overall

13273

Females

4214

F45-49

4214

21M→35K

21.0 - 21.8 mi

Top 55%
×7
+17ft-86ft

Overall

15836

Females

5665

F45-49

5665

35K→23M

21.8 - 23.0 mi

Top 48%
×5
+23ft-63ft

Overall

13865

Females

4644

F45-49

4644

23M→24M

23.0 - 24.0 mi

Top 50%
×6
+12ft-82ft

Overall

14463

Females

5058

F45-49

5058

24M→40K

24.0 - 24.9 mi

Top 47%
×1
+6ft-20ft

Overall

13505

Females

4626

F45-49

4626

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13013

Females

4401

F45-49

4401

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14538

Females

5208

F45-49

5208

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3009*
Passed By
537
Net Change
+2229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18663
5K → 10K168200-275#18663#18938
10K → 15K221*135+86#18938#18852
15K → 20K269*61+208#18852#18644
20K → HALF3929+10#18644#18634
HALF → 25K308*10+298#18634#18336
25K → 30K672*3+669#18336#17667
30K → 20M261*5+256#17667#17411
20M → 21M269*4+265#17411#17146
21M → 35K9025+65#17146#17081
35K → 23M227*12+215#17081#16866
23M → 24M13724+113#16866#16753
24M → 40K1418+133#16753#16620
40K → 25.2M883+85#16620#16535
25.2M → FINISH11918+101#16535#16434
TOTALS3009*537+2229

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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