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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Margaret Cheng

Bib: 18366 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 46%
Gender (Female)
#0 / 12578
Top 32%
Age Group (F18-39)
#0 / 5716
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
24:29
3.11 mi
Rank: #16057
Start → 5K
24:29 | 7:53/mi
10K
48:36
6.21 mi
Rank: #15688 (+369)
5K → 10K
24:07 | 7:46/mi
15K
1:12:33
9.32 mi
Rank: #15294 (+394)
10K → 15K
23:57 | 7:43/mi
20K
1:36:39
12.43 mi
Rank: #14966 (+328)
15K → 20K
24:06 | 7:46/mi
HALF
1:41:53
13.11 mi
Rank: #14945 (+21)
20K → HALF
5:14 | 7:41/mi
25K
2:00:56
15.53 mi
Rank: #14812 (+133)
HALF → 25K
19:03 | 7:52/mi
30K
2:25:43
18.64 mi
Rank: #14497 (+315)
25K → 30K
24:47 | 7:59/mi
20M
2:36:38
20.00 mi
Rank: #14367 (+130)
30K → 20M
10:55 | 8:03/mi
21M
2:44:54
21.00 mi
Rank: #14173 (+194)
20M → 21M
8:16 | 8:16/mi
35K
2:50:44
21.75 mi
Rank: #14108 (+65)
21M → 35K
5:50 | 7:48/mi
23M
3:00:28
23.00 mi
Rank: #13895 (+213)
35K → 23M
9:44 | 7:47/mi
24M
3:08:07
24.00 mi
Rank: #13767 (+128)
23M → 24M
7:39 | 7:39/mi
40K
3:14:44
24.85 mi
Rank: #13634 (+133)
24M → 40K
6:37 | 7:45/mi
25.2M
3:17:31
25.20 mi
Rank: #13541 (+93)
40K → 25.2M
2:47 | 8:05/mi
FINISH
3:24:53
26.22 mi
Rank: #13335 (+206)
25.2M → FINISH
7:22 | 7:14/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:53
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:43:00
Pace7:52 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:0924:297:5324:29
7:53
-
10K
6.21 mi11:32:1648:367:5024:07
7:46
-0:07
15K
9.32 mi11:56:131:12:337:4823:57
7:43
-0:03
20K
12.43 mi12:20:191:36:397:4724:06
7:46
+0:03
HALF
13.11 mi12:25:331:41:537:475:14
7:41
-0:05
25K
15.53 mi12:44:362:00:567:4819:03
7:52
+0:11
30K
18.64 mi13:09:232:25:437:5024:47
7:59
+0:07
20M
20.00 mi13:20:182:36:387:5010:55
8:03
+0:04
21M
21.00 mi13:28:342:44:547:528:16
8:16
+0:13
35K
21.75 mi13:34:242:50:447:525:50
7:48
-0:28
23M
23.00 mi13:44:083:00:287:519:44
7:47
-0:01
24M
24.00 mi13:51:473:08:077:517:39
7:39
-0:08
40K
24.85 mi13:58:243:14:447:516:37
7:45
+0:06
25.2M
25.20 mi14:01:113:17:317:512:47
8:05
+0:20
FINISH
26.22 mi14:08:333:24:537:507:22
7:14
-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

7:14 /mi

Average Pace

7:49 /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

2:38:08

77% of race

Time at Steady Pace

46:45

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:08:0924:297:5324:29
7:53
#16057
10K
6.21 mi11:32:1648:367:5024:07
7:46
#15688
15K
9.32 mi11:56:131:12:337:4823:57
7:43
#15294
20K
12.43 mi12:20:191:36:397:4724:06
7:46
#14966
HALF
13.11 mi12:25:331:41:537:475:14
7:41
#14945
25K
15.53 mi12:44:362:00:567:4819:03
7:52
#14812
30K
18.64 mi13:09:232:25:437:5024:47
7:59
#14497
20M
20.00 mi13:20:182:36:387:5010:55
8:03
#14367
21M
21.00 mi13:28:342:44:547:528:16
8:16
#14173
35K
21.75 mi13:34:242:50:447:525:50
7:48
#14108
23M
23.00 mi13:44:083:00:287:519:44
7:47
#13895
24M
24.00 mi13:51:473:08:077:517:39
7:39
#13767
40K
24.85 mi13:58:243:14:447:516:37
7:45
#13634
25.2M
25.20 mi14:01:113:17:317:512:47
8:05
#13541
FINISH
26.22 mi14:08:333:24:537:507:22
7:14
#13335
Faster pace
Steady pace
Slower pace

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 mi160575347534714621(Top 50%)4515(Top 36%)4515(Top 79%)
10K6.21 mi3.10 mi15688+3695133+2145133+21415301(Top 53%)4889(Top 39%)4889(Top 86%)
15K9.32 mi3.11 mi15294+3944916+2174916+21714621(Top 50%)4515(Top 36%)4515(Top 79%)
20K12.43 mi3.11 mi14966+3284720+1964720+19614203(Top 49%)4327(Top 34%)4327(Top 76%)
HALF13.11 mi0.68 mi14945+214706+144706+1414586(Top 50%)4473(Top 36%)4473(Top 78%)
25K15.53 mi2.42 mi14812+1334638+684638+6814289(Top 49%)4453(Top 35%)4453(Top 78%)
30K18.64 mi3.11 mi14497+3154499+1394499+13913336(Top 46%)4032(Top 32%)4032(Top 71%)
20M20.00 mi1.36 mi14367+1304443+564443+5613108(Top 45%)4001(Top 32%)4001(Top 70%)
21M21.00 mi1.00 mi14173+1944351+924351+9211678(Top 40%)3360(Top 27%)3360(Top 59%)
35K21.75 mi0.75 mi14108+654335+164335+1613069(Top 45%)4113(Top 33%)4113(Top 72%)
23M23.00 mi1.25 mi13895+2134246+894246+8910908(Top 38%)3069(Top 24%)3069(Top 54%)
24M24.00 mi1.00 mi13767+1284194+524194+5211238(Top 39%)3302(Top 26%)3302(Top 58%)
40K24.85 mi0.85 mi13634+1334138+564138+5610655(Top 37%)3095(Top 25%)3095(Top 54%)
25.2M25.20 mi0.35 mi13541+934096+424096+428930(Top 31%)2354(Top 19%)2354(Top 41%)
FINISH26.22 mi1.02 mi13335+2064007+894007+899395(Top 32%)2565(Top 20%)2565(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14621

Females

4515

F18-39

4515

5K→10K

3.1 - 6.2 mi

Top 53%
×5
+79ft-138ft

Overall

15301

Females

4889

F18-39

4889

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14621

Females

4515

F18-39

4515

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14203

Females

4327

F18-39

4327

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14586

Females

4473

F18-39

4473

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14289

Females

4453

F18-39

4453

25K→30K

15.5 - 18.6 mi

Top 46%
×9
+181ft-148ft

Overall

13336

Females

4032

F18-39

4032

30K→20M

18.6 - 20.0 mi

Top 45%
×5
+64ft-50ft

Overall

13108

Females

4001

F18-39

4001

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11678

Females

3360

F18-39

3360

21M→35K

21.0 - 21.8 mi

Top 45%
×7
+17ft-86ft

Overall

13069

Females

4113

F18-39

4113

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

10908

Females

3069

F18-39

3069

23M→24M

23.0 - 24.0 mi

Top 39%
×6
+12ft-82ft

Overall

11238

Females

3302

F18-39

3302

24M→40K

24.0 - 24.9 mi

Top 37%
×1
+6ft-20ft

Overall

10655

Females

3095

F18-39

3095

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1
+13ft-16ft

Overall

8930

Females

2354

F18-39

2354

25.2M→FINISH

25.2 - 26.2 mi

Top 32%
×2
+22ft-21ft

Overall

9395

Females

2565

F18-39

2565

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3213*
Passed By
491
Net Change
+2722
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16057
5K → 10K506*137+369#16057#15688
10K → 15K456*62+394#15688#15294
15K → 20K368*40+328#15294#14966
20K → HALF4625+21#14966#14945
HALF → 25K203*70+133#14945#14812
25K → 30K367*52+315#14812#14497
30K → 20M16636+130#14497#14367
20M → 21M204*10+194#14367#14173
21M → 35K8823+65#14173#14108
35K → 23M225*12+213#14108#13895
23M → 24M14315+128#13895#13767
24M → 40K1385+133#13767#13634
40K → 25.2M930+93#13634#13541
25.2M → FINISH210*4+206#13541#13335
TOTALS3213*491+2722

* 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

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OTQ

Olympic Trials Qualifying analysis available

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