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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Alena Slayton

Bib: 21034 •F •Age: N/A

NC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 48%
Gender (Female)
#0 / 12578
Top 35%
Masters (Masters Women)
#0 / 6862
Top 19%
Age Group (F40-44)
#0 / 1737
Top 41%
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
24:31
3.11 mi
Rank: #16135
Start → 5K
24:31 | 7:54/mi
10K
48:50
6.21 mi
Rank: #15974 (+161)
5K → 10K
24:19 | 7:50/mi
15K
1:13:04
9.32 mi
Rank: #15763 (+211)
10K → 15K
24:14 | 7:48/mi
20K
1:37:25
12.43 mi
Rank: #15475 (+288)
15K → 20K
24:21 | 7:51/mi
HALF
1:42:44
13.11 mi
Rank: #15470 (+5)
20K → HALF
5:19 | 7:48/mi
25K
2:01:46
15.53 mi
Rank: #15246 (+224)
HALF → 25K
19:02 | 7:51/mi
30K
2:27:23
18.64 mi
Rank: #15246
25K → 30K
25:37 | 8:15/mi
20M
2:38:14
20.00 mi
Rank: #15032 (+214)
30K → 20M
10:51 | 8:00/mi
21M
2:46:30
21.00 mi
Rank: #14778 (+254)
20M → 21M
8:16 | 8:16/mi
35K
2:52:17
21.75 mi
Rank: #14688 (+90)
21M → 35K
5:47 | 7:44/mi
23M
3:02:14
23.00 mi
Rank: #14497 (+191)
35K → 23M
9:57 | 7:58/mi
24M
3:10:00
24.00 mi
Rank: #14381 (+116)
23M → 24M
7:46 | 7:46/mi
40K
3:16:42
24.85 mi
Rank: #14252 (+129)
24M → 40K
6:42 | 7:51/mi
25.2M
3:19:32
25.20 mi
Rank: #14163 (+89)
40K → 25.2M
2:50 | 8:13/mi
FINISH
3:27:02
26.22 mi
Rank: #14030 (+133)
25.2M → FINISH
7:30 | 7:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:44
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:44:18
Pace7:58 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:4024:317:5424:31
7:54
-
10K
6.21 mi11:34:5948:507:5224:19
7:50
-0:04
15K
9.32 mi11:59:131:13:047:5124:14
7:48
-0:02
20K
12.43 mi12:23:341:37:257:5124:21
7:51
+0:03
HALF
13.11 mi12:28:531:42:447:515:19
7:48
-0:03
25K
15.53 mi12:47:552:01:467:5119:02
7:51
+0:03
30K
18.64 mi13:13:322:27:237:5525:37
8:15
+0:24
20M
20.00 mi13:24:232:38:147:5510:51
8:00
-0:15
21M
21.00 mi13:32:392:46:307:568:16
8:16
+0:16
35K
21.75 mi13:38:262:52:177:565:47
7:44
-0:32
23M
23.00 mi13:48:233:02:147:569:57
7:58
+0:14
24M
24.00 mi13:56:093:10:007:567:46
7:46
-0:12
40K
24.85 mi14:02:513:16:427:556:42
7:51
+0:05
25.2M
25.20 mi14:05:413:19:327:562:50
8:13
+0:22
FINISH
26.22 mi14:13:113:27:027:557:30
7:22
-0:51

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

7:22 /mi

Average Pace

7:54 /mi

Slowest Pace

8:16 /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

2:50:19

82% of race

Time at Steady Pace

36:43

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:10:4024:317:5424:31
7:54
#16135
10K
6.21 mi11:34:5948:507:5224:19
7:50
#15974
15K
9.32 mi11:59:131:13:047:5124:14
7:48
#15763
20K
12.43 mi12:23:341:37:257:5124:21
7:51
#15475
HALF
13.11 mi12:28:531:42:447:515:19
7:48
#15470
25K
15.53 mi12:47:552:01:467:5119:02
7:51
#15246
30K
18.64 mi13:13:322:27:237:5525:37
8:15
#15246
20M
20.00 mi13:24:232:38:147:5510:51
8:00
#15032
21M
21.00 mi13:32:392:46:307:568:16
8:16
#14778
35K
21.75 mi13:38:262:52:177:565:47
7:44
#14688
23M
23.00 mi13:48:233:02:147:569:57
7:58
#14497
24M
24.00 mi13:56:093:10:007:567:46
7:46
#14381
40K
24.85 mi14:02:513:16:427:556:42
7:51
#14252
25.2M
25.20 mi14:05:413:19:327:562:50
8:13
#14163
FINISH
26.22 mi14:13:113:27:027:557:30
7:22
#14030
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 mi161355401540115356(Top 53%)4949(Top 39%)4949(Top 285%)
10K6.21 mi3.10 mi15974+1615315+865315+8615883(Top 55%)5235(Top 42%)5235(Top 301%)
15K9.32 mi3.11 mi15763+2115187+1285187+12815356(Top 53%)4949(Top 39%)4949(Top 285%)
20K12.43 mi3.11 mi15475+2885034+1535034+15314835(Top 51%)4696(Top 37%)4696(Top 270%)
HALF13.11 mi0.68 mi15470+55032+25032+215554(Top 54%)5054(Top 40%)5054(Top 291%)
25K15.53 mi2.42 mi15246+2244905+1274905+12714237(Top 49%)4434(Top 35%)4434(Top 255%)
30K18.64 mi3.11 mi152464951-464951-4615231(Top 52%)5093(Top 40%)5093(Top 293%)
20M20.00 mi1.36 mi15032+2144847+1044847+10412785(Top 44%)3831(Top 30%)3831(Top 221%)
21M21.00 mi1.00 mi14778+2544723+1244723+12411684(Top 40%)3366(Top 27%)3366(Top 194%)
35K21.75 mi0.75 mi14688+904683+404683+4012603(Top 43%)3877(Top 31%)3877(Top 223%)
23M23.00 mi1.25 mi14497+1914600+834600+8312152(Top 42%)3687(Top 29%)3687(Top 212%)
24M24.00 mi1.00 mi14381+1164553+474553+4712080(Top 42%)3754(Top 30%)3754(Top 216%)
40K24.85 mi0.85 mi14252+1294496+574496+5711366(Top 39%)3457(Top 27%)3457(Top 199%)
25.2M25.20 mi0.35 mi14163+894458+384458+389843(Top 34%)2789(Top 22%)2789(Top 161%)
FINISH26.22 mi1.02 mi14030+1334402+564402+5610409(Top 36%)3060(Top 24%)3060(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15356

Females

4949

F40-44

4949

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

15883

Females

5235

F40-44

5235

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15356

Females

4949

F40-44

4949

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14835

Females

4696

F40-44

4696

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15554

Females

5054

F40-44

5054

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14237

Females

4434

F40-44

4434

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15231

Females

5093

F40-44

5093

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12785

Females

3831

F40-44

3831

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11684

Females

3366

F40-44

3366

21M→35K

21.0 - 21.8 mi

Top 43%
×7
+17ft-86ft

Overall

12603

Females

3877

F40-44

3877

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12152

Females

3687

F40-44

3687

23M→24M

23.0 - 24.0 mi

Top 42%
×6
+12ft-82ft

Overall

12080

Females

3754

F40-44

3754

24M→40K

24.0 - 24.9 mi

Top 39%
×1
+6ft-20ft

Overall

11366

Females

3457

F40-44

3457

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1
+13ft-16ft

Overall

9843

Females

2789

F40-44

2789

25.2M→FINISH

25.2 - 26.2 mi

Top 36%
×2
+22ft-21ft

Overall

10409

Females

3060

F40-44

3060

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2822*
Passed By
717
Net Change
+2105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16135
5K → 10K354*193+161#16135#15974
10K → 15K330*119+211#15974#15763
15K → 20K332*44+288#15763#15475
20K → HALF3631+5#15475#15470
HALF → 25K256*32+224#15470#15246
25K → 30K2002000#15246#15246
30K → 20M222*8+214#15246#15032
20M → 21M257*3+254#15032#14778
21M → 35K10313+90#14778#14688
35K → 23M211*20+191#14688#14497
23M → 24M13317+116#14497#14381
24M → 40K14516+129#14381#14252
40K → 25.2M934+89#14252#14163
25.2M → FINISH15017+133#14163#14030
TOTALS2822*717+2105

* 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

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