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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Alice Isom

Bib: 16765 •F •Age: N/A

CO

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 35%
Gender (Female)
#0 / 12578
Top 18%
Masters (Masters Women)
#0 / 6862
Top 6%
Age Group (F45-49)
#0 / 1786
Top 6%
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
22:39
3.11 mi
Rank: #10976
Start → 5K
22:39 | 7:18/mi
10K
45:28
6.21 mi
Rank: #11235 (-259)
5K → 10K
22:49 | 7:21/mi
15K
1:08:08
9.32 mi
Rank: #11132 (+103)
10K → 15K
22:40 | 7:18/mi
20K
1:31:14
12.43 mi
Rank: #11215 (-83)
15K → 20K
23:06 | 7:27/mi
HALF
1:36:07
13.11 mi
Rank: #11146 (+69)
20K → HALF
4:53 | 7:10/mi
25K
1:54:01
15.53 mi
Rank: #10989 (+157)
HALF → 25K
17:54 | 7:23/mi
30K
2:17:42
18.64 mi
Rank: #10874 (+115)
25K → 30K
23:41 | 7:38/mi
20M
2:28:02
20.00 mi
Rank: #10778 (+96)
30K → 20M
10:20 | 7:37/mi
21M
2:35:59
21.00 mi
Rank: #10674 (+104)
20M → 21M
7:57 | 7:57/mi
35K
2:41:21
21.75 mi
Rank: #10554 (+120)
21M → 35K
5:22 | 7:11/mi
23M
2:50:42
23.00 mi
Rank: #10379 (+175)
35K → 23M
9:21 | 7:29/mi
24M
2:57:59
24.00 mi
Rank: #10254 (+125)
23M → 24M
7:17 | 7:17/mi
40K
3:04:25
24.85 mi
Rank: #10184 (+70)
24M → 40K
6:26 | 7:32/mi
25.2M
3:07:17
25.20 mi
Rank: #10163 (+21)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:14:44
26.22 mi
Rank: #10143 (+20)
25.2M → FINISH
7:27 | 7:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:07
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:38:37
Pace7:32 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:5922:397:1822:39
7:18
-
10K
6.21 mi11:26:4845:287:2022:49
7:21
+0:03
15K
9.32 mi11:49:281:08:087:1922:40
7:18
-0:03
20K
12.43 mi12:12:341:31:147:2123:06
7:27
+0:09
HALF
13.11 mi12:17:271:36:077:204:53
7:10
-0:17
25K
15.53 mi12:35:211:54:017:2117:54
7:23
+0:13
30K
18.64 mi12:59:022:17:427:2423:41
7:38
+0:15
20M
20.00 mi13:09:222:28:027:2510:20
7:37
-0:01
21M
21.00 mi13:17:192:35:597:267:57
7:57
+0:20
35K
21.75 mi13:22:412:41:217:265:22
7:11
-0:46
23M
23.00 mi13:32:022:50:427:269:21
7:29
+0:18
24M
24.00 mi13:39:192:57:597:257:17
7:17
-0:12
40K
24.85 mi13:45:453:04:257:266:26
7:32
+0:15
25.2M
25.20 mi13:48:373:07:177:262:52
8:19
+0:47
FINISH
26.22 mi13:56:043:14:447:267:27
7:19
-1:00

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

7:10 /mi

Average Pace

7:26 /mi

Slowest Pace

8:19 /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

3:03:55

94% of race

Time at Steady Pace

10:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi11:03:5922:397:1822:39
7:18
#10976
10K
6.21 mi11:26:4845:287:2022:49
7:21
#11235
15K
9.32 mi11:49:281:08:087:1922:40
7:18
#11132
20K
12.43 mi12:12:341:31:147:2123:06
7:27
#11215
HALF
13.11 mi12:17:271:36:077:204:53
7:10
#11146
25K
15.53 mi12:35:211:54:017:2117:54
7:23
#10989
30K
18.64 mi12:59:022:17:427:2423:41
7:38
#10874
20M
20.00 mi13:09:222:28:027:2510:20
7:37
#10778
21M
21.00 mi13:17:192:35:597:267:57
7:57
#10674
35K
21.75 mi13:22:412:41:217:265:22
7:11
#10554
23M
23.00 mi13:32:022:50:427:269:21
7:29
#10379
24M
24.00 mi13:39:192:57:597:257:17
7:17
#10254
40K
24.85 mi13:45:453:04:257:266:26
7:32
#10184
25.2M
25.20 mi13:48:373:07:177:262:52
8:19
#10163
FINISH
26.22 mi13:56:043:14:447:267:27
7:19
#10143
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 mi109762355235511022(Top 38%)2487(Top 20%)2487(Top 139%)
10K6.21 mi3.10 mi11235-2592522-1672522-16711543(Top 40%)2723(Top 22%)2723(Top 152%)
15K9.32 mi3.11 mi11132+1032497+252497+2511022(Top 38%)2487(Top 20%)2487(Top 139%)
20K12.43 mi3.11 mi11215-832577-802577-8011447(Top 39%)2803(Top 22%)2803(Top 157%)
HALF13.11 mi0.68 mi11146+692547+302547+3010056(Top 35%)2031(Top 16%)2031(Top 114%)
25K15.53 mi2.42 mi10989+1572486+612486+6110436(Top 36%)2361(Top 19%)2361(Top 132%)
30K18.64 mi3.11 mi10874+1152488-22488-210628(Top 37%)2569(Top 20%)2569(Top 144%)
20M20.00 mi1.36 mi10778+962462+262462+269917(Top 34%)2347(Top 19%)2347(Top 131%)
21M21.00 mi1.00 mi10674+1042432+302432+309574(Top 33%)2293(Top 18%)2293(Top 128%)
35K21.75 mi0.75 mi10554+1202390+422390+428425(Top 29%)1762(Top 14%)1762(Top 99%)
23M23.00 mi1.25 mi10379+1752339+512339+518676(Top 30%)1962(Top 16%)1962(Top 110%)
24M24.00 mi1.00 mi10254+1252300+392300+398518(Top 29%)1966(Top 16%)1966(Top 110%)
40K24.85 mi0.85 mi10184+702283+172283+179063(Top 31%)2307(Top 18%)2307(Top 129%)
25.2M25.20 mi0.35 mi10163+212284-12284-110452(Top 36%)3032(Top 24%)3032(Top 170%)
FINISH26.22 mi1.02 mi10143+202305-212305-219981(Top 34%)2830(Top 22%)2830(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21
+97ft-345ft

Overall

11022

Females

2487

F45-49

2487

5K→10K

3.1 - 6.2 mi

Top 40%
×5
+79ft-138ft

Overall

11543

Females

2723

F45-49

2723

10K→15K

6.2 - 9.3 mi

Top 38%
×3
+67ft-78ft

Overall

11022

Females

2487

F45-49

2487

15K→20K

9.3 - 12.4 mi

Top 39%
×5
+106ft-86ft

Overall

11447

Females

2803

F45-49

2803

20K→HALF

12.4 - 13.1 mi

Top 35%
×2
+19ft-37ft

Overall

10056

Females

2031

F45-49

2031

HALF→25K

13.1 - 15.5 mi

Top 36%
×4
+66ft-88ft

Overall

10436

Females

2361

F45-49

2361

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10628

Females

2569

F45-49

2569

30K→20M

18.6 - 20.0 mi

Top 34%
×5
+64ft-50ft

Overall

9917

Females

2347

F45-49

2347

20M→21M

20.0 - 21.0 mi

Top 33%
×8
+106ft-24ft

Overall

9574

Females

2293

F45-49

2293

21M→35K

21.0 - 21.8 mi

Top 29%
×7
+17ft-86ft

Overall

8425

Females

1762

F45-49

1762

35K→23M

21.8 - 23.0 mi

Top 30%
×5
+23ft-63ft

Overall

8676

Females

1962

F45-49

1962

23M→24M

23.0 - 24.0 mi

Top 29%
×6
+12ft-82ft

Overall

8518

Females

1966

F45-49

1966

24M→40K

24.0 - 24.9 mi

Top 31%
×1
+6ft-20ft

Overall

9063

Females

2307

F45-49

2307

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10452

Females

3032

F45-49

3032

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2
+22ft-21ft

Overall

9981

Females

2830

F45-49

2830

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2019*
Passed By
989
Net Change
+833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10976
5K → 10K138200-259#10976#11235
10K → 15K226*123+103#11235#11132
15K → 20K116199-83#11132#11215
20K → HALF723+69#11215#11146
HALF → 25K219*62+157#11146#10989
25K → 30K244*129+115#10989#10874
30K → 20M14751+96#10874#10778
20M → 21M14541+104#10778#10674
21M → 35K1277+120#10674#10554
35K → 23M205*30+175#10554#10379
23M → 24M14217+125#10379#10254
24M → 40K10434+70#10254#10184
40K → 25.2M5029+21#10184#10163
25.2M → FINISH8464+20#10163#10143
TOTALS2019*989+833

* 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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