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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Mary Clark Prevost

Bib: 19974 •F •Age: N/A

SC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 44%
Gender (Female)
#0 / 12578
Top 29%
Masters (Masters Women)
#0 / 6862
Top 13%
Age Group (F40-44)
#0 / 1737
Top 31%
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
24:48
3.11 mi
Rank: #16822
Start → 5K
24:48 | 7:59/mi
10K
49:20
6.21 mi
Rank: #16637 (+185)
5K → 10K
24:32 | 7:54/mi
15K
1:13:41
9.32 mi
Rank: #16307 (+330)
10K → 15K
24:21 | 7:51/mi
20K
1:37:47
12.43 mi
Rank: #15720 (+587)
15K → 20K
24:06 | 7:46/mi
HALF
1:42:58
13.11 mi
Rank: #15603 (+117)
20K → HALF
5:11 | 7:37/mi
25K
2:01:42
15.53 mi
Rank: #15208 (+395)
HALF → 25K
18:44 | 7:44/mi
30K
2:25:52
18.64 mi
Rank: #14566 (+642)
25K → 30K
24:10 | 7:47/mi
20M
2:36:17
20.00 mi
Rank: #14218 (+348)
30K → 20M
10:25 | 7:41/mi
21M
2:44:16
21.00 mi
Rank: #13923 (+295)
20M → 21M
7:59 | 7:59/mi
35K
2:49:53
21.75 mi
Rank: #13793 (+130)
21M → 35K
5:37 | 7:31/mi
23M
2:59:21
23.00 mi
Rank: #13500 (+293)
35K → 23M
9:28 | 7:34/mi
24M
3:06:51
24.00 mi
Rank: #13312 (+188)
23M → 24M
7:30 | 7:30/mi
40K
3:13:15
24.85 mi
Rank: #13134 (+178)
24M → 40K
6:24 | 7:30/mi
25.2M
3:16:02
25.20 mi
Rank: #13056 (+78)
40K → 25.2M
2:47 | 8:05/mi
FINISH
3:23:00
26.22 mi
Rank: #12764 (+292)
25.2M → FINISH
6:58 | 6:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:42:58
Pace7:52 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:02
Pace7:38 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:3224:487:5924:48
7:59
-
10K
6.21 mi11:33:0449:207:5724:32
7:54
-0:05
15K
9.32 mi11:57:251:13:417:5524:21
7:51
-0:03
20K
12.43 mi12:21:311:37:477:5324:06
7:46
-0:05
HALF
13.11 mi12:26:421:42:587:525:11
7:37
-0:09
25K
15.53 mi12:45:262:01:427:5118:44
7:44
+0:07
30K
18.64 mi13:09:362:25:527:5024:10
7:47
+0:03
20M
20.00 mi13:20:012:36:177:4910:25
7:41
-0:06
21M
21.00 mi13:28:002:44:167:507:59
7:59
+0:18
35K
21.75 mi13:33:372:49:537:495:37
7:31
-0:28
23M
23.00 mi13:43:052:59:217:489:28
7:34
+0:03
24M
24.00 mi13:50:353:06:517:487:30
7:30
-0:04
40K
24.85 mi13:56:593:13:157:476:24
7:30
0:00
25.2M
25.20 mi13:59:463:16:027:472:47
8:05
+0:35
FINISH
26.22 mi14:06:443:23:007:456:58
6:51
-1:14

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

6:51 /mi

Average Pace

7:45 /mi

Slowest Pace

8:05 /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

26:29

13% of race

Time at Steady Pace

2:53:44

86% of race

Time at Slower Pace

2:47

1% of race

Average Pace: 7:45 /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 mi11:08:3224:487:5924:48
7:59
#16822
10K
6.21 mi11:33:0449:207:5724:32
7:54
#16637
15K
9.32 mi11:57:251:13:417:5524:21
7:51
#16307
20K
12.43 mi12:21:311:37:477:5324:06
7:46
#15720
HALF
13.11 mi12:26:421:42:587:525:11
7:37
#15603
25K
15.53 mi12:45:262:01:427:5118:44
7:44
#15208
30K
18.64 mi13:09:362:25:527:5024:10
7:47
#14566
20M
20.00 mi13:20:012:36:177:4910:25
7:41
#14218
21M
21.00 mi13:28:002:44:167:507:59
7:59
#13923
35K
21.75 mi13:33:372:49:537:495:37
7:31
#13793
23M
23.00 mi13:43:052:59:217:489:28
7:34
#13500
24M
24.00 mi13:50:353:06:517:487:30
7:30
#13312
40K
24.85 mi13:56:593:13:157:476:24
7:30
#13134
25.2M
25.20 mi13:59:463:16:027:472:47
8:05
#13056
FINISH
26.22 mi14:06:443:23:007:456:58
6:51
#12764
Faster pace
Steady pace
Slower pace

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 mi168225813581315663(Top 54%)5144(Top 41%)5144(Top 296%)
10K6.21 mi3.10 mi16637+1855719+945719+9416431(Top 57%)5572(Top 44%)5572(Top 321%)
15K9.32 mi3.11 mi16307+3305526+1935526+19315663(Top 54%)5144(Top 41%)5144(Top 296%)
20K12.43 mi3.11 mi15720+5875186+3405186+34014197(Top 49%)4321(Top 34%)4321(Top 249%)
HALF13.11 mi0.68 mi15603+1175121+655121+6513937(Top 48%)4099(Top 33%)4099(Top 236%)
25K15.53 mi2.42 mi15208+3954880+2414880+24113257(Top 46%)3874(Top 31%)3874(Top 223%)
30K18.64 mi3.11 mi14566+6424540+3404540+34011827(Top 41%)3214(Top 26%)3214(Top 185%)
20M20.00 mi1.36 mi14218+3484357+1834357+18310418(Top 36%)2615(Top 21%)2615(Top 151%)
21M21.00 mi1.00 mi13923+2954211+1464211+1469840(Top 34%)2445(Top 19%)2445(Top 141%)
35K21.75 mi0.75 mi13793+1304154+574154+5710998(Top 38%)3011(Top 24%)3011(Top 173%)
23M23.00 mi1.25 mi13500+2934020+1344020+1349380(Top 32%)2279(Top 18%)2279(Top 131%)
24M24.00 mi1.00 mi13312+1883932+883932+8810142(Top 35%)2748(Top 22%)2748(Top 158%)
40K24.85 mi0.85 mi13134+1783845+873845+878813(Top 30%)2196(Top 17%)2196(Top 126%)
25.2M25.20 mi0.35 mi13056+783812+333812+338924(Top 31%)2348(Top 19%)2348(Top 135%)
FINISH26.22 mi1.02 mi12764+2923691+1213691+1216429(Top 22%)1279(Top 10%)1279(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15663

Females

5144

F40-44

5144

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16431

Females

5572

F40-44

5572

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15663

Females

5144

F40-44

5144

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14197

Females

4321

F40-44

4321

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

13937

Females

4099

F40-44

4099

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13257

Females

3874

F40-44

3874

25K→30K

15.5 - 18.6 mi

Top 41%
×9
+181ft-148ft

Overall

11827

Females

3214

F40-44

3214

30K→20M

18.6 - 20.0 mi

Top 36%
×5
+64ft-50ft

Overall

10418

Females

2615

F40-44

2615

20M→21M

20.0 - 21.0 mi

Top 34%
×8
+106ft-24ft

Overall

9840

Females

2445

F40-44

2445

21M→35K

21.0 - 21.8 mi

Top 38%
×7
+17ft-86ft

Overall

10998

Females

3011

F40-44

3011

35K→23M

21.8 - 23.0 mi

Top 32%
×5
+23ft-63ft

Overall

9380

Females

2279

F40-44

2279

23M→24M

23.0 - 24.0 mi

Top 35%
×6
+12ft-82ft

Overall

10142

Females

2748

F40-44

2748

24M→40K

24.0 - 24.9 mi

Top 30%
×1
+6ft-20ft

Overall

8813

Females

2196

F40-44

2196

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1
+13ft-16ft

Overall

8924

Females

2348

F40-44

2348

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6429

Females

1279

F40-44

1279

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4397*
Passed By
339
Net Change
+4058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16822
5K → 10K385*200+185#16822#16637
10K → 15K407*77+330#16637#16307
15K → 20K605*18+587#16307#15720
20K → HALF1203+117#15720#15603
HALF → 25K405*10+395#15603#15208
25K → 30K648*6+642#15208#14566
30K → 20M351*3+348#14566#14218
20M → 21M295*0+295#14218#13923
21M → 35K1366+130#13923#13793
35K → 23M298*5+293#13793#13500
23M → 24M1935+188#13500#13312
24M → 40K1802+178#13312#13134
40K → 25.2M802+78#13134#13056
25.2M → FINISH294*2+292#13056#12764
TOTALS4397*339+4058

* 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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