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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Laura Calderon

Bib: 13441 •F •Age: N/A

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 (F40-44)
#0 / 1737
Top 14%
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
22:57
3.11 mi
Rank: #11838
Start → 5K
22:57 | 7:24/mi
10K
45:30
6.21 mi
Rank: #11278 (+560)
5K → 10K
22:33 | 7:16/mi
15K
1:08:13
9.32 mi
Rank: #11185 (+93)
10K → 15K
22:43 | 7:19/mi
20K
1:30:55
12.43 mi
Rank: #10991 (+194)
15K → 20K
22:43 | 7:19/mi
HALF
1:35:51
13.11 mi
Rank: #10957 (+34)
20K → HALF
4:56 | 7:15/mi
25K
1:54:02
15.53 mi
Rank: #11001 (-44)
HALF → 25K
18:11 | 7:30/mi
30K
2:17:20
18.64 mi
Rank: #10676 (+325)
25K → 30K
23:18 | 7:30/mi
20M
2:27:37
20.00 mi
Rank: #10589 (+87)
30K → 20M
10:17 | 7:35/mi
21M
2:35:38
21.00 mi
Rank: #10506 (+83)
20M → 21M
8:01 | 8:01/mi
35K
2:41:00
21.75 mi
Rank: #10407 (+99)
21M → 35K
5:22 | 7:11/mi
23M
2:50:17
23.00 mi
Rank: #10212 (+195)
35K → 23M
9:17 | 7:26/mi
24M
2:57:39
24.00 mi
Rank: #10129 (+83)
23M → 24M
7:22 | 7:22/mi
40K
3:04:16
24.85 mi
Rank: #10124 (+5)
24M → 40K
6:37 | 7:45/mi
25.2M
3:07:09
25.20 mi
Rank: #10112 (+12)
40K → 25.2M
2:53 | 8:22/mi
FINISH
3:14:49
26.22 mi
Rank: #10174 (-62)
25.2M → FINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:51
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:38:58
Pace7:33 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5822:577:2422:57
7:24
-
10K
6.21 mi11:14:3145:307:2022:33
7:16
-0:08
15K
9.32 mi11:37:131:08:137:2022:43
7:19
+0:03
20K
12.43 mi11:59:561:30:557:1922:43
7:19
0:00
HALF
13.11 mi12:04:521:35:517:194:56
7:15
-0:04
25K
15.53 mi12:23:031:54:027:2118:11
7:30
+0:15
30K
18.64 mi12:46:212:17:207:2323:18
7:30
0:00
20M
20.00 mi12:56:382:27:377:2310:17
7:35
+0:05
21M
21.00 mi13:04:392:35:387:258:01
8:01
+0:26
35K
21.75 mi13:10:012:41:007:255:22
7:11
-0:50
23M
23.00 mi13:19:182:50:177:259:17
7:26
+0:15
24M
24.00 mi13:26:402:57:397:257:22
7:22
-0:04
40K
24.85 mi13:33:173:04:167:256:37
7:45
+0:23
25.2M
25.20 mi13:36:103:07:097:262:53
8:22
+0:37
FINISH
26.22 mi13:43:503:14:497:277:40
7:32
-0:50

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

7:11 /mi

Average Pace

7:26 /mi

Slowest Pace

8:22 /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

10:54

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 mi10:51:5822:577:2422:57
7:24
#11838
10K
6.21 mi11:14:3145:307:2022:33
7:16
#11278
15K
9.32 mi11:37:131:08:137:2022:43
7:19
#11185
20K
12.43 mi11:59:561:30:557:1922:43
7:19
#10991
HALF
13.11 mi12:04:521:35:517:194:56
7:15
#10957
25K
15.53 mi12:23:031:54:027:2118:11
7:30
#11001
30K
18.64 mi12:46:212:17:207:2323:18
7:30
#10676
20M
20.00 mi12:56:382:27:377:2310:17
7:35
#10589
21M
21.00 mi13:04:392:35:387:258:01
8:01
#10506
35K
21.75 mi13:10:012:41:007:255:22
7:11
#10407
23M
23.00 mi13:19:182:50:177:259:17
7:26
#10212
24M
24.00 mi13:26:402:57:397:257:22
7:22
#10129
40K
24.85 mi13:33:173:04:167:256:37
7:45
#10124
25.2M
25.20 mi13:36:103:07:097:262:53
8:22
#10112
FINISH
26.22 mi13:43:503:14:497:277:40
7:32
#10174
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. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi118382820282011145(Top 38%)2559(Top 20%)2559(Top 147%)
10K6.21 mi3.10 mi11278+5602546+2742546+27410795(Top 37%)2307(Top 18%)2307(Top 133%)
15K9.32 mi3.11 mi11185+932527+192527+1911145(Top 38%)2559(Top 20%)2559(Top 147%)
20K12.43 mi3.11 mi10991+1942462+652462+6510269(Top 35%)2189(Top 17%)2189(Top 126%)
HALF13.11 mi0.68 mi10957+342449+132449+1310712(Top 37%)2336(Top 19%)2336(Top 134%)
25K15.53 mi2.42 mi11001-442493-442493-4411426(Top 39%)2865(Top 23%)2865(Top 165%)
30K18.64 mi3.11 mi10676+3252378+1152378+1159639(Top 33%)2112(Top 17%)2112(Top 122%)
20M20.00 mi1.36 mi10589+872361+172361+179632(Top 33%)2212(Top 18%)2212(Top 127%)
21M21.00 mi1.00 mi10506+832345+162345+1610013(Top 35%)2504(Top 20%)2504(Top 144%)
35K21.75 mi0.75 mi10407+992316+292316+298426(Top 29%)1763(Top 14%)1763(Top 101%)
23M23.00 mi1.25 mi10212+1952255+612255+618308(Top 29%)1786(Top 14%)1786(Top 103%)
24M24.00 mi1.00 mi10129+832241+142241+149124(Top 31%)2234(Top 18%)2234(Top 129%)
40K24.85 mi0.85 mi10124+52255-142255-1410616(Top 37%)3056(Top 24%)3056(Top 176%)
25.2M25.20 mi0.35 mi10112+122259-42259-410752(Top 37%)3193(Top 25%)3193(Top 184%)
FINISH26.22 mi1.02 mi10174-622323-642323-6411617(Top 40%)3651(Top 29%)3651(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21
+97ft-345ft

Overall

11145

Females

2559

F40-44

2559

5K→10K

3.1 - 6.2 mi

Top 37%
×5
+79ft-138ft

Overall

10795

Females

2307

F40-44

2307

10K→15K

6.2 - 9.3 mi

Top 38%
×3
+67ft-78ft

Overall

11145

Females

2559

F40-44

2559

15K→20K

9.3 - 12.4 mi

Top 35%
×5
+106ft-86ft

Overall

10269

Females

2189

F40-44

2189

20K→HALF

12.4 - 13.1 mi

Top 37%
×2
+19ft-37ft

Overall

10712

Females

2336

F40-44

2336

HALF→25K

13.1 - 15.5 mi

Top 39%
×4
+66ft-88ft

Overall

11426

Females

2865

F40-44

2865

25K→30K

15.5 - 18.6 mi

Top 33%
×9
+181ft-148ft

Overall

9639

Females

2112

F40-44

2112

30K→20M

18.6 - 20.0 mi

Top 33%
×5
+64ft-50ft

Overall

9632

Females

2212

F40-44

2212

20M→21M

20.0 - 21.0 mi

Top 35%
×8
+106ft-24ft

Overall

10013

Females

2504

F40-44

2504

21M→35K

21.0 - 21.8 mi

Top 29%
×7
+17ft-86ft

Overall

8426

Females

1763

F40-44

1763

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8308

Females

1786

F40-44

1786

23M→24M

23.0 - 24.0 mi

Top 31%
×6
+12ft-82ft

Overall

9124

Females

2234

F40-44

2234

24M→40K

24.0 - 24.9 mi

Top 37%
×1
+6ft-20ft

Overall

10616

Females

3056

F40-44

3056

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10752

Females

3193

F40-44

3193

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11617

Females

3651

F40-44

3651

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2542*
Passed By
877
Net Change
+1664
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11838
5K → 10K633*73+560#11838#11278
10K → 15K219*126+93#11278#11185
15K → 20K245*51+194#11185#10991
20K → HALF5521+34#10991#10957
HALF → 25K135179-44#10957#11001
25K → 30K370*45+325#11001#10676
30K → 20M13548+87#10676#10589
20M → 21M14057+83#10589#10506
21M → 35K1078+99#10506#10407
35K → 23M218*23+195#10407#10212
23M → 24M12037+83#10212#10129
24M → 40K6661+5#10129#10124
40K → 25.2M4229+12#10124#10112
25.2M → FINISH57119-62#10112#10174
TOTALS2542*877+1664

* 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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