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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kelsey Nash

Bib: 18582 •F •Age: N/A

OR

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
Personalized for Kelsey

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:46/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
24:08
3.11 mi
Rank: #15138
Start → 5K
24:08 | 7:47/mi
10K
48:50
6.21 mi
Rank: #15973 (-835)
5K → 10K
24:42 | 7:58/mi
15K
1:14:13
9.32 mi
Rank: #16775 (-802)
10K → 15K
25:23 | 8:11/mi
20K
1:43:26
12.43 mi
Rank: #18900 (-2125)
15K → 20K
29:13 | 9:25/mi
HALF
1:49:51
13.11 mi
Rank: #19267 (-367)
20K → HALF
6:25 | 9:25/mi
25K
2:18:23
15.53 mi
Rank: #21836 (-2569)
HALF → 25K
28:32 | 11:46/mi
30K
2:50:02
18.64 mi
Rank: #22281 (-445)
25K → 30K
31:39 | 10:12/mi
20M
3:03:40
20.00 mi
Rank: #22342 (-61)
30K → 20M
13:38 | 10:03/mi
21M
3:14:44
21.00 mi
Rank: #22445 (-103)
20M → 21M
11:04 | 11:04/mi
35K
3:21:25
21.75 mi
Rank: #22325 (+120)
21M → 35K
6:41 | 8:57/mi
23M
3:33:43
23.00 mi
Rank: #22272 (+53)
35K → 23M
12:18 | 9:50/mi
24M
3:42:19
24.00 mi
Rank: #22090 (+182)
23M → 24M
8:36 | 8:36/mi
40K
3:50:47
24.85 mi
Rank: #22094 (-4)
24M → 40K
8:28 | 9:55/mi
25.2M
3:53:34
25.20 mi
Rank: #21963 (+131)
40K → 25.2M
2:47 | 8:04/mi
FINISH
4:01:47
26.22 mi
Rank: #21806 (+157)
25.2M → FINISH
8:13 | 8:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:51
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:11:56
Pace10:04 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:1624:087:4724:08
7:47
-
10K
6.21 mi11:30:5848:507:5224:42
7:58
+0:11
15K
9.32 mi11:56:211:14:137:5825:23
8:11
+0:13
20K
12.43 mi12:25:341:43:268:2029:13
9:25
+1:14
HALF
13.11 mi12:31:591:49:518:236:25
9:25
0:00
25K
15.53 mi13:00:312:18:238:5528:32
11:46
+2:21
30K
18.64 mi13:32:102:50:029:0831:39
10:12
-1:34
20M
20.00 mi13:45:483:03:409:1213:38
10:03
-0:09
21M
21.00 mi13:56:523:14:449:1711:04
11:04
+1:01
35K
21.75 mi14:03:333:21:259:166:41
8:57
-2:07
23M
23.00 mi14:15:513:33:439:1812:18
9:50
+0:53
24M
24.00 mi14:24:273:42:199:168:36
8:36
-1:14
40K
24.85 mi14:32:553:50:479:188:28
9:55
+1:19
25.2M
25.20 mi14:35:413:53:349:172:47
8:04
-1:51
FINISH
26.22 mi14:43:554:01:479:148:13
8:04
0:00

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

7:47 /mi

Average Pace

9:14 /mi

Slowest Pace

11:46 /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

1:33:49

39% of race

Time at Steady Pace

1:03:05

26% of race

Time at Slower Pace

1:24:53

35% of race

Average Pace: 9:13 /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 mi11:06:1624:087:4724:08
7:47
#15138
10K
6.21 mi11:30:5848:507:5224:42
7:58
#15973
15K
9.32 mi11:56:211:14:137:5825:23
8:11
#16775
20K
12.43 mi12:25:341:43:268:2029:13
9:25
#18900
HALF
13.11 mi12:31:591:49:518:236:25
9:25
#19267
25K
15.53 mi13:00:312:18:238:5528:32
11:46
#21836
30K
18.64 mi13:32:102:50:029:0831:39
10:12
#22281
20M
20.00 mi13:45:483:03:409:1213:38
10:03
#22342
21M
21.00 mi13:56:523:14:449:1711:04
11:04
#22445
35K
21.75 mi14:03:333:21:259:166:41
8:57
#22325
23M
23.00 mi14:15:513:33:439:1812:18
9:50
#22272
24M
24.00 mi14:24:273:42:199:168:36
8:36
#22090
40K
24.85 mi14:32:553:50:479:188:28
9:55
#22094
25.2M
25.20 mi14:35:413:53:349:172:47
8:04
#21963
FINISH
26.22 mi14:43:554:01:479:148:13
8:04
#21806
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

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 mi151384769476918144(Top 63%)6550(Top 52%)6550(Top 115%)
10K6.21 mi3.10 mi15973-8355314-5455314-54516857(Top 58%)5826(Top 46%)5826(Top 102%)
15K9.32 mi3.11 mi16775-8025788-4745788-47418144(Top 63%)6550(Top 52%)6550(Top 115%)
20K12.43 mi3.11 mi18900-21257002-12147002-121423445(Top 81%)9413(Top 75%)9413(Top 165%)
HALF13.11 mi0.68 mi19267-3677210-2087210-20824143(Top 83%)9753(Top 78%)9753(Top 171%)
25K15.53 mi2.42 mi21836-25698577-13678577-136727292(Top 94%)11533(Top 92%)11533(Top 202%)
30K18.64 mi3.11 mi22281-4458824-2478824-24723598(Top 81%)9614(Top 76%)9614(Top 168%)
20M20.00 mi1.36 mi22342-618871-478871-4722680(Top 78%)9197(Top 73%)9197(Top 161%)
21M21.00 mi1.00 mi22445-1038940-698940-6923265(Top 80%)9570(Top 76%)9570(Top 167%)
35K21.75 mi0.75 mi22325+1208890+508890+5019771(Top 68%)7833(Top 62%)7833(Top 137%)
23M23.00 mi1.25 mi22272+538880+108880+1021649(Top 75%)8814(Top 70%)8814(Top 154%)
24M24.00 mi1.00 mi22090+1828803+778803+7717485(Top 60%)6717(Top 53%)6717(Top 118%)
40K24.85 mi0.85 mi22094-48819-168819-1621659(Top 75%)8920(Top 71%)8920(Top 156%)
25.2M25.20 mi0.35 mi21963+1318753+668753+668661(Top 30%)2234(Top 18%)2234(Top 39%)
FINISH26.22 mi1.02 mi21806+1578676+778676+7715631(Top 54%)5763(Top 46%)5763(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18144

Females

6550

F18-39

6550

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16857

Females

5826

F18-39

5826

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18144

Females

6550

F18-39

6550

15K→20K

9.3 - 12.4 mi

Top 81%
×5
+106ft-86ft

Overall

23445

Females

9413

F18-39

9413

20K→HALF

12.4 - 13.1 mi

Top 83%
×2
+19ft-37ft

Overall

24143

Females

9753

F18-39

9753

HALF→25K

13.1 - 15.5 mi

Top 94%
×4
+66ft-88ft

Overall

27292

Females

11533

F18-39

11533

25K→30K

15.5 - 18.6 mi

Top 81%
×9
+181ft-148ft

Overall

23598

Females

9614

F18-39

9614

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22680

Females

9197

F18-39

9197

20M→21M

20.0 - 21.0 mi

Top 80%
×8
+106ft-24ft

Overall

23265

Females

9570

F18-39

9570

21M→35K

21.0 - 21.8 mi

Top 68%
×7
+17ft-86ft

Overall

19771

Females

7833

F18-39

7833

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21649

Females

8814

F18-39

8814

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17485

Females

6717

F18-39

6717

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21659

Females

8920

F18-39

8920

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1
+13ft-16ft

Overall

8661

Females

2234

F18-39

2234

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15631

Females

5763

F18-39

5763

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1041
Passed By
1565
Net Change
-6668
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15138
5K → 10K79200-835#15138#15973
10K → 15K41200-802#15973#16775
15K → 20K9200-2125#16775#18900
20K → HALF3200-367#18900#19267
HALF → 25K1200-2569#19267#21836
25K → 30K68200-445#21836#22281
30K → 20M59120-61#22281#22342
20M → 21M47150-103#22342#22445
21M → 35K1244+120#22445#22325
35K → 23M10047+53#22325#22272
23M → 24M1831+182#22272#22090
24M → 40K3842-4#22090#22094
40K → 25.2M1310+131#22094#21963
25.2M → FINISH1581+157#21963#21806
TOTALS10411565-6668
📊

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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