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BOSTON MARATHON 2026

Jessica Pietrzyk

Bib: 16387•F

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
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
26:07
3.11 mi
Rank: #19558
Start → 5K
26:07 | 8:25/mi
10K
52:39
6.21 mi
Rank: #20023 (-465)
5K → 10K
26:32 | 8:33/mi
15K
1:19:21
9.32 mi
Rank: #20212 (-189)
10K → 15K
26:42 | 8:36/mi
20K
1:46:29
12.43 mi
Rank: #20292 (-80)
15K → 20K
27:08 | 8:45/mi
HALF
1:52:19
13.11 mi
Rank: #20308 (-16)
20K → HALF
5:50 | 8:34/mi
25K
2:13:41
15.53 mi
Rank: #20300 (+8)
HALF → 25K
21:22 | 8:49/mi
30K
2:42:32
18.64 mi
Rank: #20439 (-139)
25K → 30K
28:51 | 9:18/mi
20M
2:55:07
20.00 mi
Rank: #20399 (+40)
30K → 20M
12:35 | 9:16/mi
21M
3:04:38
21.00 mi
Rank: #20299 (+100)
20M → 21M
9:31 | 9:31/mi
35K
3:11:14
21.75 mi
Rank: #20274 (+25)
21M → 35K
6:36 | 8:50/mi
23M
3:22:26
23.00 mi
Rank: #20153 (+121)
35K → 23M
11:12 | 8:57/mi
24M
3:31:11
24.00 mi
Rank: #20065 (+88)
23M → 24M
8:45 | 8:45/mi
40K
3:38:23
24.85 mi
Rank: #19898 (+167)
24M → 40K
7:12 | 8:26/mi
25.2M
3:41:13
25.20 mi
Rank: #19773 (+125)
40K → 25.2M
2:50 | 8:13/mi
FINISH
3:48:37
26.22 mi
Rank: #19449 (+324)
25.2M → FINISH
7:24 | 7:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:19
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:56:18
Pace8:53 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:1926:078:2526:07
8:25
-
10K
6.21 mi11:33:5152:398:2926:32
8:33
+0:08
15K
9.32 mi12:00:331:19:218:3126:42
8:36
+0:03
20K
12.43 mi12:27:411:46:298:3527:08
8:45
+0:09
HALF
13.11 mi12:33:311:52:198:355:50
8:34
-0:11
25K
15.53 mi12:54:532:13:418:3721:22
8:49
+0:15
30K
18.64 mi13:23:442:42:328:4428:51
9:18
+0:29
20M
20.00 mi13:36:192:55:078:4612:35
9:16
-0:02
21M
21.00 mi13:45:503:04:388:489:31
9:31
+0:15
35K
21.75 mi13:52:263:11:148:486:36
8:50
-0:41
23M
23.00 mi14:03:383:22:268:4911:12
8:57
+0:07
24M
24.00 mi14:12:233:31:118:488:45
8:45
-0:12
40K
24.85 mi14:19:353:38:238:487:12
8:26
-0:19
25.2M
25.20 mi14:22:253:41:138:472:50
8:13
-0:13
FINISH
26.22 mi14:29:493:48:378:447:24
7:16
-0:57

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

7:16 /mi

Average Pace

8:44 /mi

Slowest Pace

9:31 /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

43:33

19% of race

Time at Steady Pace

2:14:07

59% of race

Time at Slower Pace

50:57

22% of race

Average Pace: 8:43 /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 mi11:07:1926:078:2526:07
8:25
#19558
10K
6.21 mi11:33:5152:398:2926:32
8:33
#20023
15K
9.32 mi12:00:331:19:218:3126:42
8:36
#20212
20K
12.43 mi12:27:411:46:298:3527:08
8:45
#20292
HALF
13.11 mi12:33:311:52:198:355:50
8:34
#20308
25K
15.53 mi12:54:532:13:418:3721:22
8:49
#20300
30K
18.64 mi13:23:442:42:328:4428:51
9:18
#20439
20M
20.00 mi13:36:192:55:078:4612:35
9:16
#20399
21M
21.00 mi13:45:503:04:388:489:31
9:31
#20299
35K
21.75 mi13:52:263:11:148:486:36
8:50
#20274
23M
23.00 mi14:03:383:22:268:4911:12
8:57
#20153
24M
24.00 mi14:12:233:31:118:488:45
8:45
#20065
40K
24.85 mi14:19:353:38:238:487:12
8:26
#19898
25.2M
25.20 mi14:22:253:41:138:472:50
8:13
#19773
FINISH
26.22 mi14:29:493:48:378:447:24
7:16
#19449
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 mi195587401740120649(Top 71%)7928(Top 63%)7928(Top 139%)
10K6.21 mi3.10 mi20023-4657620-2197620-21920570(Top 71%)7897(Top 63%)7897(Top 138%)
15K9.32 mi3.11 mi20212-1897726-1067726-10620649(Top 71%)7928(Top 63%)7928(Top 139%)
20K12.43 mi3.11 mi20292-807781-557781-5520625(Top 71%)7957(Top 63%)7957(Top 139%)
HALF13.11 mi0.68 mi20308-167789-87789-820615(Top 71%)7915(Top 63%)7915(Top 138%)
25K15.53 mi2.42 mi20300+87793-47793-420285(Top 70%)7800(Top 62%)7800(Top 136%)
30K18.64 mi3.11 mi20439-1397897-1047897-10420888(Top 72%)8199(Top 65%)8199(Top 143%)
20M20.00 mi1.36 mi20399+407872+257872+2520139(Top 69%)7879(Top 63%)7879(Top 138%)
21M21.00 mi1.00 mi20299+1007842+307842+3018610(Top 64%)7121(Top 57%)7121(Top 125%)
35K21.75 mi0.75 mi20274+257836+67836+619267(Top 66%)7581(Top 60%)7581(Top 133%)
23M23.00 mi1.25 mi20153+1217785+517785+5118279(Top 63%)7107(Top 57%)7107(Top 124%)
24M24.00 mi1.00 mi20065+887761+247761+2418318(Top 63%)7156(Top 57%)7156(Top 125%)
40K24.85 mi0.85 mi19898+1677693+687693+6815244(Top 53%)5577(Top 44%)5577(Top 98%)
25.2M25.20 mi0.35 mi19773+1257637+567637+569865(Top 34%)2811(Top 22%)2811(Top 49%)
FINISH26.22 mi1.02 mi19449+3247469+1687469+1689644(Top 33%)2690(Top 21%)2690(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20649

Females

7928

F18-39

7928

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20570

Females

7897

F18-39

7897

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20649

Females

7928

F18-39

7928

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20625

Females

7957

F18-39

7957

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20615

Females

7915

F18-39

7915

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20285

Females

7800

F18-39

7800

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20888

Females

8199

F18-39

8199

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

20139

Females

7879

F18-39

7879

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18610

Females

7121

F18-39

7121

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19267

Females

7581

F18-39

7581

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18279

Females

7107

F18-39

7107

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18318

Females

7156

F18-39

7156

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15244

Females

5577

F18-39

5577

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1
+13ft-16ft

Overall

9865

Females

2811

F18-39

2811

25.2M→FINISH

25.2 - 26.2 mi

Top 33%
×2
+22ft-21ft

Overall

9644

Females

2690

F18-39

2690

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1812
Passed By
1703
Net Change
+109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19558
5K → 10K116581-465#19558#20023
10K → 15K107296-189#20023#20212
15K → 20K140220-80#20212#20292
20K → HALF2945-16#20292#20308
HALF → 25K123115+8#20308#20300
25K → 30K144283-139#20300#20439
30K → 20M10464+40#20439#20399
20M → 21M13232+100#20399#20299
21M → 35K5429+25#20299#20274
35K → 23M13918+121#20274#20153
23M → 24M10820+88#20153#20065
24M → 40K1670+167#20065#19898
40K → 25.2M1250+125#19898#19773
25.2M → FINISH3240+324#19773#19449
TOTALS18121703+109

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📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing