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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Alicia South

Bib: 23378 •F •Age: N/A

NJ

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Masters (Masters Women)
#0 / 6862
Top 27%
Age Group (F50-54)
#0 / 1233
Top 21%
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
26:26
3.11 mi
Rank: #20124
Start → 5K
26:26 | 8:31/mi
10K
52:37
6.21 mi
Rank: #19986 (+138)
5K → 10K
26:11 | 8:26/mi
15K
1:18:38
9.32 mi
Rank: #19773 (+213)
10K → 15K
26:01 | 8:23/mi
20K
1:44:12
12.43 mi
Rank: #19291 (+482)
15K → 20K
25:34 | 8:14/mi
HALF
1:49:45
13.11 mi
Rank: #19222 (+69)
20K → HALF
5:33 | 8:09/mi
25K
2:09:23
15.53 mi
Rank: #18705 (+517)
HALF → 25K
19:38 | 8:06/mi
30K
2:34:03
18.64 mi
Rank: #17801 (+904)
25K → 30K
24:40 | 7:57/mi
20M
2:44:45
20.00 mi
Rank: #17398 (+403)
30K → 20M
10:42 | 7:53/mi
21M
2:52:38
21.00 mi
Rank: #16935 (+463)
20M → 21M
7:53 | 7:53/mi
35K
2:58:09
21.75 mi
Rank: #16680 (+255)
21M → 35K
5:31 | 7:23/mi
23M
3:07:46
23.00 mi
Rank: #16295 (+385)
35K → 23M
9:37 | 7:42/mi
24M
3:15:14
24.00 mi
Rank: #16014 (+281)
23M → 24M
7:28 | 7:28/mi
40K
3:21:48
24.85 mi
Rank: #15816 (+198)
24M → 40K
6:34 | 7:41/mi
25.2M
3:24:34
25.20 mi
Rank: #15686 (+130)
40K → 25.2M
2:46 | 8:02/mi
FINISH
3:31:59
26.22 mi
Rank: #15494 (+192)
25.2M → FINISH
7:25 | 7:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:49:45
Pace8:23 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:14
Pace7:48 /mi
📊Negative Split: 6.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0126:268:3126:26
8:31
-
10K
6.21 mi11:56:1252:378:2926:11
8:26
-0:05
15K
9.32 mi12:22:131:18:388:2726:01
8:23
-0:03
20K
12.43 mi12:47:471:44:128:2425:34
8:14
-0:09
HALF
13.11 mi12:53:201:49:458:235:33
8:09
-0:05
25K
15.53 mi13:12:582:09:238:2019:38
8:06
-0:03
30K
18.64 mi13:37:382:34:038:1624:40
7:57
-0:09
20M
20.00 mi13:48:202:44:458:1510:42
7:53
-0:04
21M
21.00 mi13:56:132:52:388:147:53
7:53
0:00
35K
21.75 mi14:01:442:58:098:125:31
7:23
-0:30
23M
23.00 mi14:11:213:07:468:109:37
7:42
+0:19
24M
24.00 mi14:18:493:15:148:097:28
7:28
-0:14
40K
24.85 mi14:25:233:21:488:086:34
7:41
+0:13
25.2M
25.20 mi14:28:093:24:348:082:46
8:02
+0:21
FINISH
26.22 mi14:35:343:31:598:067:25
7:17
-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

7:17 /mi

Average Pace

8:05 /mi

Slowest Pace

8:31 /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

1:19:50

38% of race

Time at Steady Pace

2:12:09

62% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi11:30:0126:268:3126:26
8:31
#20124
10K
6.21 mi11:56:1252:378:2926:11
8:26
#19986
15K
9.32 mi12:22:131:18:388:2726:01
8:23
#19773
20K
12.43 mi12:47:471:44:128:2425:34
8:14
#19291
HALF
13.11 mi12:53:201:49:458:235:33
8:09
#19222
25K
15.53 mi13:12:582:09:238:2019:38
8:06
#18705
30K
18.64 mi13:37:382:34:038:1624:40
7:57
#17801
20M
20.00 mi13:48:202:44:458:1510:42
7:53
#17398
21M
21.00 mi13:56:132:52:388:147:53
7:53
#16935
35K
21.75 mi14:01:442:58:098:125:31
7:23
#16680
23M
23.00 mi14:11:213:07:468:109:37
7:42
#16295
24M
24.00 mi14:18:493:15:148:097:28
7:28
#16014
40K
24.85 mi14:25:233:21:488:086:34
7:41
#15816
25.2M
25.20 mi14:28:093:24:348:082:46
8:02
#15686
FINISH
26.22 mi14:35:343:31:598:067:25
7:17
#15494
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi201247694769419425(Top 67%)7270(Top 58%)7270(Top 590%)
10K6.21 mi3.10 mi19986+1387601+937601+9319947(Top 69%)7562(Top 60%)7562(Top 613%)
15K9.32 mi3.11 mi19773+2137486+1157486+11519425(Top 67%)7270(Top 58%)7270(Top 590%)
20K12.43 mi3.11 mi19291+4827224+2627224+26217668(Top 61%)6316(Top 50%)6316(Top 512%)
HALF13.11 mi0.68 mi19222+697180+447180+4418044(Top 62%)6472(Top 51%)6472(Top 525%)
25K15.53 mi2.42 mi18705+5176899+2816899+28116094(Top 55%)5479(Top 44%)5479(Top 444%)
30K18.64 mi3.11 mi17801+9046414+4856414+48513058(Top 45%)3875(Top 31%)3875(Top 314%)
20M20.00 mi1.36 mi17398+4036201+2136201+21311975(Top 41%)3399(Top 27%)3399(Top 276%)
21M21.00 mi1.00 mi16935+4635959+2425959+2429158(Top 32%)2117(Top 17%)2117(Top 172%)
35K21.75 mi0.75 mi16680+2555828+1315828+1319983(Top 34%)2506(Top 20%)2506(Top 203%)
23M23.00 mi1.25 mi16295+3855641+1875641+18710227(Top 35%)2730(Top 22%)2730(Top 221%)
24M24.00 mi1.00 mi16014+2815512+1295512+1299887(Top 34%)2635(Top 21%)2635(Top 214%)
40K24.85 mi0.85 mi15816+1985408+1045408+10410235(Top 35%)2881(Top 23%)2881(Top 234%)
25.2M25.20 mi0.35 mi15686+1305344+645344+648655(Top 30%)2229(Top 18%)2229(Top 181%)
FINISH26.22 mi1.02 mi15494+1925253+915253+919773(Top 34%)2749(Top 22%)2749(Top 223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19425

Females

7270

F50-54

7270

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

19947

Females

7562

F50-54

7562

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19425

Females

7270

F50-54

7270

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17668

Females

6316

F50-54

6316

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

18044

Females

6472

F50-54

6472

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

16094

Females

5479

F50-54

5479

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

13058

Females

3875

F50-54

3875

30K→20M

18.6 - 20.0 mi

Top 41%
×5
+64ft-50ft

Overall

11975

Females

3399

F50-54

3399

20M→21M

20.0 - 21.0 mi

Top 32%
×8
+106ft-24ft

Overall

9158

Females

2117

F50-54

2117

21M→35K

21.0 - 21.8 mi

Top 34%
×7
+17ft-86ft

Overall

9983

Females

2506

F50-54

2506

35K→23M

21.8 - 23.0 mi

Top 35%
×5
+23ft-63ft

Overall

10227

Females

2730

F50-54

2730

23M→24M

23.0 - 24.0 mi

Top 34%
×6
+12ft-82ft

Overall

9887

Females

2635

F50-54

2635

24M→40K

24.0 - 24.9 mi

Top 35%
×1
+6ft-20ft

Overall

10235

Females

2881

F50-54

2881

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1
+13ft-16ft

Overall

8655

Females

2229

F50-54

2229

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2
+22ft-21ft

Overall

9773

Females

2749

F50-54

2749

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4927*
Passed By
297
Net Change
+4630
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20124
5K → 10K338*200+138#20124#19986
10K → 15K286*73+213#19986#19773
15K → 20K492*10+482#19773#19291
20K → HALF756+69#19291#19222
HALF → 25K521*4+517#19222#18705
25K → 30K904*0+904#18705#17801
30K → 20M403*0+403#17801#17398
20M → 21M463*0+463#17398#16935
21M → 35K255*0+255#16935#16680
35K → 23M387*2+385#16680#16295
23M → 24M282*1+281#16295#16014
24M → 40K1980+198#16014#15816
40K → 25.2M1311+130#15816#15686
25.2M → FINISH1920+192#15686#15494
TOTALS4927*297+4630

* 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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