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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Monica Calhoun

Bib: 21740 •F •Age: N/A

NC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 47%
Gender (Female)
#0 / 12578
Top 33%
Masters (Masters Women)
#0 / 6862
Top 17%
Age Group (F50-54)
#0 / 1233
Top 11%
Race Day Weather
51°/41°F
overcast clouds
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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
24:22
3.11 mi
Rank: #15781
Start → 5K
24:22 | 7:51/mi
10K
48:27
6.21 mi
Rank: #15455 (+326)
5K → 10K
24:05 | 7:46/mi
15K
1:12:03
9.32 mi
Rank: #14797 (+658)
10K → 15K
23:36 | 7:36/mi
20K
1:35:54
12.43 mi
Rank: #14451 (+346)
15K → 20K
23:51 | 7:41/mi
HALF
1:41:09
13.11 mi
Rank: #14468 (-17)
20K → HALF
5:15 | 7:43/mi
25K
1:59:51
15.53 mi
Rank: #14191 (+277)
HALF → 25K
18:42 | 7:43/mi
30K
2:24:33
18.64 mi
Rank: #13964 (+227)
25K → 30K
24:42 | 7:58/mi
20M
2:35:31
20.00 mi
Rank: #13894 (+70)
30K → 20M
10:58 | 8:05/mi
21M
2:43:57
21.00 mi
Rank: #13802 (+92)
20M → 21M
8:26 | 8:26/mi
35K
2:49:51
21.75 mi
Rank: #13782 (+20)
21M → 35K
5:54 | 7:54/mi
23M
3:00:00
23.00 mi
Rank: #13737 (+45)
35K → 23M
10:09 | 8:07/mi
24M
3:08:02
24.00 mi
Rank: #13735 (+2)
23M → 24M
8:02 | 8:02/mi
40K
3:14:50
24.85 mi
Rank: #13664 (+71)
24M → 40K
6:48 | 7:58/mi
25.2M
3:17:51
25.20 mi
Rank: #13650 (+14)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:25:40
26.22 mi
Rank: #13599 (+51)
25.2M → FINISH
7:49 | 7:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:09
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:44:31
Pace7:59 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4824:227:5124:22
7:51
-
10K
6.21 mi11:49:5348:277:4824:05
7:46
-0:05
15K
9.32 mi12:13:291:12:037:4423:36
7:36
-0:10
20K
12.43 mi12:37:201:35:547:4423:51
7:41
+0:05
HALF
13.11 mi12:42:351:41:097:435:15
7:43
+0:02
25K
15.53 mi13:01:171:59:517:4318:42
7:43
0:00
30K
18.64 mi13:25:592:24:337:4624:42
7:58
+0:15
20M
20.00 mi13:36:572:35:317:4710:58
8:05
+0:07
21M
21.00 mi13:45:232:43:577:498:26
8:26
+0:21
35K
21.75 mi13:51:172:49:517:495:54
7:54
-0:32
23M
23.00 mi14:01:263:00:007:5010:09
8:07
+0:13
24M
24.00 mi14:09:283:08:027:518:02
8:02
-0:05
40K
24.85 mi14:16:163:14:507:516:48
7:58
-0:04
25.2M
25.20 mi14:19:173:17:517:523:01
8:45
+0:47
FINISH
26.22 mi14:27:063:25:407:517:49
7:41
-1:04

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

7:36 /mi

Average Pace

7:51 /mi

Slowest Pace

8:45 /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

3:14:13

94% of race

Time at Steady Pace

11:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:51 /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 mi11:25:4824:227:5124:22
7:51
#15781
10K
6.21 mi11:49:5348:277:4824:05
7:46
#15455
15K
9.32 mi12:13:291:12:037:4423:36
7:36
#14797
20K
12.43 mi12:37:201:35:547:4423:51
7:41
#14451
HALF
13.11 mi12:42:351:41:097:435:15
7:43
#14468
25K
15.53 mi13:01:171:59:517:4318:42
7:43
#14191
30K
18.64 mi13:25:592:24:337:4624:42
7:58
#13964
20M
20.00 mi13:36:572:35:317:4710:58
8:05
#13894
21M
21.00 mi13:45:232:43:577:498:26
8:26
#13802
35K
21.75 mi13:51:172:49:517:495:54
7:54
#13782
23M
23.00 mi14:01:263:00:007:5010:09
8:07
#13737
24M
24.00 mi14:09:283:08:027:518:02
8:02
#13735
40K
24.85 mi14:16:163:14:507:516:48
7:58
#13664
25.2M
25.20 mi14:19:173:17:517:523:01
8:45
#13650
FINISH
26.22 mi14:27:063:25:407:517:49
7:41
#13599
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 mi157815172517213646(Top 47%)3942(Top 31%)3942(Top 320%)
10K6.21 mi3.10 mi15455+3264993+1794993+17915201(Top 52%)4829(Top 38%)4829(Top 392%)
15K9.32 mi3.11 mi14797+6584610+3834610+38313646(Top 47%)3942(Top 31%)3942(Top 320%)
20K12.43 mi3.11 mi14451+3464409+2014409+20113533(Top 47%)3962(Top 31%)3962(Top 321%)
HALF13.11 mi0.68 mi14468-174408+14408+114781(Top 51%)4583(Top 36%)4583(Top 372%)
25K15.53 mi2.42 mi14191+2774278+1304278+13013156(Top 45%)3824(Top 30%)3824(Top 310%)
30K18.64 mi3.11 mi13964+2274173+1054173+10513133(Top 45%)3911(Top 31%)3911(Top 317%)
20M20.00 mi1.36 mi13894+704162+114162+1113330(Top 46%)4126(Top 33%)4126(Top 335%)
21M21.00 mi1.00 mi13802+924140+224140+2212727(Top 44%)3912(Top 31%)3912(Top 317%)
35K21.75 mi0.75 mi13782+204150-104150-1013719(Top 47%)4471(Top 36%)4471(Top 363%)
23M23.00 mi1.25 mi13737+454160-104160-1013218(Top 46%)4291(Top 34%)4291(Top 348%)
24M24.00 mi1.00 mi13735+24179-194179-1914021(Top 48%)4809(Top 38%)4809(Top 390%)
40K24.85 mi0.85 mi13664+714156+234156+2312222(Top 42%)3902(Top 31%)3902(Top 316%)
25.2M25.20 mi0.35 mi13650+144158-24158-213268(Top 46%)4500(Top 36%)4500(Top 365%)
FINISH26.22 mi1.02 mi13599+514151+74151+712774(Top 44%)4270(Top 34%)4270(Top 346%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13646

Females

3942

F50-54

3942

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15201

Females

4829

F50-54

4829

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13646

Females

3942

F50-54

3942

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13533

Females

3962

F50-54

3962

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14781

Females

4583

F50-54

4583

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

13156

Females

3824

F50-54

3824

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

13133

Females

3911

F50-54

3911

30K→20M

18.6 - 20.0 mi

Top 46%
×5
+64ft-50ft

Overall

13330

Females

4126

F50-54

4126

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12727

Females

3912

F50-54

3912

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13719

Females

4471

F50-54

4471

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13218

Females

4291

F50-54

4291

23M→24M

23.0 - 24.0 mi

Top 48%
×6
+12ft-82ft

Overall

14021

Females

4809

F50-54

4809

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12222

Females

3902

F50-54

3902

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1
+13ft-16ft

Overall

13268

Females

4500

F50-54

4500

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12774

Females

4270

F50-54

4270

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2927*
Passed By
745
Net Change
+2182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15781
5K → 10K476*150+326#15781#15455
10K → 15K690*32+658#15455#14797
15K → 20K374*28+346#14797#14451
20K → HALF2643-17#14451#14468
HALF → 25K305*28+277#14468#14191
25K → 30K310*83+227#14191#13964
30K → 20M13565+70#13964#13894
20M → 21M13139+92#13894#13802
21M → 35K7050+20#13802#13782
35K → 23M10964+45#13782#13737
23M → 24M7472+2#13737#13735
24M → 40K9524+71#13735#13664
40K → 25.2M3723+14#13664#13650
25.2M → FINISH9544+51#13650#13599
TOTALS2927*745+2182

* 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

Activity Data

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