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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Shelby Petrie

Bib: 30399 β€’F β€’Age: N/A

MA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51Β°/41Β°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
30:32
3.11 mi
Rank: #25474
Start β†’ 5K
30:32 | 9:50/mi
10K
1:00:40
6.21 mi
Rank: #25263 (+211)
5K β†’ 10K
30:08 | 9:42/mi
15K
1:31:39
9.32 mi
Rank: #25393 (-130)
10K β†’ 15K
30:59 | 9:59/mi
20K
2:04:20
12.43 mi
Rank: #25603 (-210)
15K β†’ 20K
32:41 | 10:32/mi
HALF
2:11:34
13.11 mi
Rank: #25677 (-74)
20K β†’ HALF
7:14 | 10:37/mi
25K
2:37:55
15.53 mi
Rank: #25802 (-125)
HALF β†’ 25K
26:21 | 10:52/mi
30K
3:14:21
18.64 mi
Rank: #25962 (-160)
25K β†’ 30K
36:26 | 11:44/mi
20M
3:30:36
20.00 mi
Rank: #26033 (-71)
30K β†’ 20M
16:15 | 11:58/mi
21M
3:44:06
21.00 mi
Rank: #26112 (-79)
20M β†’ 21M
13:30 | 13:30/mi
35K
3:53:00
21.75 mi
Rank: #26139 (-27)
21M β†’ 35K
8:54 | 11:54/mi
23M
4:09:05
23.00 mi
Rank: #26249 (-110)
35K β†’ 23M
16:05 | 12:52/mi
24M
4:21:39
24.00 mi
Rank: #26321 (-72)
23M β†’ 24M
12:34 | 12:34/mi
40K
4:32:32
24.85 mi
Rank: #26346 (-25)
24M β†’ 40K
10:53 | 12:44/mi
25.2M
4:36:57
25.20 mi
Rank: #26350 (-4)
40K β†’ 25.2M
4:25 | 12:49/mi
FINISH
4:48:25
26.22 mi
Rank: #26372 (-22)
25.2M β†’ FINISH
11:28 | 11:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:11:34
Pace10:03 /mi
2nd Half
Distance13.11 mi
Time2:36:51
Pace11:58 /mi
πŸ“ŠPositive Split: 19.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3230:329:5030:32
9:50
-
10K
6.21 mi12:26:401:00:409:4630:08
9:42
-0:08
15K
9.32 mi12:57:391:31:399:5030:59
9:59
+0:17
20K
12.43 mi13:30:202:04:2010:0132:41
10:32
+0:33
HALF
13.11 mi13:37:342:11:3410:037:14
10:37
+0:05
25K
15.53 mi14:03:552:37:5510:1026:21
10:52
+0:15
30K
18.64 mi14:40:213:14:2110:2636:26
11:44
+0:52
20M
20.00 mi14:56:363:30:3610:3216:15
11:58
+0:14
21M
21.00 mi15:10:063:44:0610:4113:30
13:30
+1:32
35K
21.75 mi15:19:003:53:0010:438:54
11:54
-1:36
23M
23.00 mi15:35:054:09:0510:5016:05
12:52
+0:58
24M
24.00 mi15:47:394:21:3910:5512:34
12:34
-0:18
40K
24.85 mi15:58:324:32:3210:5810:53
12:44
+0:10
25.2M
25.20 mi16:02:574:36:5711:004:25
12:49
+0:05
FINISH
26.22 mi16:14:254:48:2511:0111:28
11:16
-1:33

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:42 /mi

Average Pace

11:00 /mi

Slowest Pace

13:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:37:55

55% of race

Time at Steady Pace

1:13:03

25% of race

Time at Slower Pace

57:27

20% of race

Average Pace: 11:00 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:56:3230:329:5030:32
9:50
#25474
10K
6.21 mi12:26:401:00:409:4630:08
9:42
#25263
15K
9.32 mi12:57:391:31:399:5030:59
9:59
#25393
20K
12.43 mi13:30:202:04:2010:0132:41
10:32
#25603
HALF
13.11 mi13:37:342:11:3410:037:14
10:37
#25677
25K
15.53 mi14:03:552:37:5510:1026:21
10:52
#25802
30K
18.64 mi14:40:213:14:2110:2636:26
11:44
#25962
20M
20.00 mi14:56:363:30:3610:3216:15
11:58
#26033
21M
21.00 mi15:10:063:44:0610:4113:30
13:30
#26112
35K
21.75 mi15:19:003:53:0010:438:54
11:54
#26139
23M
23.00 mi15:35:054:09:0510:5016:05
12:52
#26249
24M
24.00 mi15:47:394:21:3910:5512:34
12:34
#26321
40K
24.85 mi15:58:324:32:3210:5810:53
12:44
#26346
25.2M
25.20 mi16:02:574:36:5711:004:25
12:49
#26350
FINISH
26.22 mi16:14:254:48:2511:0111:28
11:16
#26372
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 mi25474104371043725628(Top 88%)10521(Top 84%)10521(Top 184%)
10K6.21 mi3.10 mi25263+21110319+11810319+11825094(Top 86%)10226(Top 81%)10226(Top 179%)
15K9.32 mi3.11 mi25393-13010390-7110390-7125628(Top 88%)10521(Top 84%)10521(Top 184%)
20K12.43 mi3.11 mi25603-21010504-11410504-11426179(Top 90%)10847(Top 86%)10847(Top 190%)
HALF13.11 mi0.68 mi25677-7410548-4410548-4426867(Top 93%)11287(Top 90%)11287(Top 197%)
25K15.53 mi2.42 mi25802-12510630-8210630-8226127(Top 90%)10874(Top 86%)10874(Top 190%)
30K18.64 mi3.11 mi25962-16010739-10910739-10926419(Top 91%)11126(Top 88%)11126(Top 195%)
20M20.00 mi1.36 mi26033-7110793-5410793-5426360(Top 91%)11166(Top 89%)11166(Top 195%)
21M21.00 mi1.00 mi26112-7910858-6510858-6526886(Top 93%)11496(Top 91%)11496(Top 201%)
35K21.75 mi0.75 mi26139-2710885-2710885-2726623(Top 92%)11368(Top 90%)11368(Top 199%)
23M23.00 mi1.25 mi26249-11010956-7110956-7127169(Top 94%)11669(Top 93%)11669(Top 204%)
24M24.00 mi1.00 mi26321-7211009-5311009-5327255(Top 94%)11741(Top 93%)11741(Top 205%)
40K24.85 mi0.85 mi26346-2511033-2411033-2426787(Top 92%)11538(Top 92%)11538(Top 202%)
25.2M25.20 mi0.35 mi26350-411032+111032+125819(Top 89%)11032(Top 88%)11032(Top 193%)
FINISH26.22 mi1.02 mi26372-2211058-2611058-2626529(Top 91%)11408(Top 91%)11408(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
Γ—21
+97ft-345ft

Overall

25628

Females

10521

F18-39

10521

5K→10K

3.1 - 6.2 mi

Top 86%
Γ—5
+79ft-138ft

Overall

25094

Females

10226

F18-39

10226

10K→15K

6.2 - 9.3 mi

Top 88%
Γ—3
+67ft-78ft

Overall

25628

Females

10521

F18-39

10521

15K→20K

9.3 - 12.4 mi

Top 90%
Γ—5
+106ft-86ft

Overall

26179

Females

10847

F18-39

10847

20K→HALF

12.4 - 13.1 mi

Top 93%
Γ—2
+19ft-37ft

Overall

26867

Females

11287

F18-39

11287

HALF→25K

13.1 - 15.5 mi

Top 90%
Γ—4
+66ft-88ft

Overall

26127

Females

10874

F18-39

10874

25K→30K

15.5 - 18.6 mi

Top 91%
Γ—9
+181ft-148ft

Overall

26419

Females

11126

F18-39

11126

30K→20M

18.6 - 20.0 mi

Top 91%
Γ—5
+64ft-50ft

Overall

26360

Females

11166

F18-39

11166

20M→21M

20.0 - 21.0 mi

Top 93%
Γ—8
+106ft-24ft

Overall

26886

Females

11496

F18-39

11496

21M→35K

21.0 - 21.8 mi

Top 92%
Γ—7
+17ft-86ft

Overall

26623

Females

11368

F18-39

11368

35K→23M

21.8 - 23.0 mi

Top 94%
Γ—5
+23ft-63ft

Overall

27169

Females

11669

F18-39

11669

23M→24M

23.0 - 24.0 mi

Top 94%
Γ—6
+12ft-82ft

Overall

27255

Females

11741

F18-39

11741

24M→40K

24.0 - 24.9 mi

Top 92%
Γ—1
+6ft-20ft

Overall

26787

Females

11538

F18-39

11538

40K→25.2M

24.9 - 25.2 mi

Top 89%
Γ—1
+13ft-16ft

Overall

25819

Females

11032

F18-39

11032

25.2M→FINISH

25.2 - 26.2 mi

Top 91%
Γ—2
+22ft-21ft

Overall

26529

Females

11408

F18-39

11408

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
793*
Passed By
1555
Net Change
-898
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25474
5K β†’ 10K321*110+211#25474#25263
10K β†’ 15K102200-130#25263#25393
15K β†’ 20K58200-210#25393#25603
20K β†’ HALF680-74#25603#25677
HALF β†’ 25K59184-125#25677#25802
25K β†’ 30K76200-160#25802#25962
30K β†’ 20M38109-71#25962#26033
20M β†’ 21M24103-79#26033#26112
21M β†’ 35K1946-27#26112#26139
35K β†’ 23M14124-110#26139#26249
23M β†’ 24M1284-72#26249#26321
24M β†’ 40K2752-25#26321#26346
40K β†’ 25.2M913-4#26346#26350
25.2M β†’ FINISH2850-22#26350#26372
TOTALS793*1555-898

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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