Jan Prchlik

Bib: 11366M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
24:04
Rank: #14337
Start5K
24:04 | 7:45/mi
10K· 6.21 mi
48:46
Rank: #15224 (-887)
5K10K
24:42 | 7:57/mi
15K· 9.32 mi
1:13:48
Rank: #15656 (-432)
10K15K
25:02 | 8:03/mi
20K· 12.43 mi
1:39:12
Rank: #15790 (-134)
15K20K
25:24 | 8:11/mi
Half· 13.11 mi
1:44:40
Rank: #15800 (-10)
20KHalf
5:28 | 8:01/mi
25K· 15.53 mi
2:05:30
Rank: #16162 (-362)
Half25K
20:50 | 8:36/mi
30K· 18.64 mi
2:35:06
Rank: #16956 (-794)
25K30K
29:36 | 9:32/mi
20M
2:48:26
Rank: #17272 (-316)
30K20M
13:20 | 9:49/mi
21M
2:58:21
Rank: #17314 (-42)
20M21M
9:55 | 9:55/mi
35K· 21.75 mi
3:04:40
Rank: #17212 (+102)
21M35K
6:19 | 8:27/mi
23M
3:17:28
Rank: #17571 (-359)
35K23M
12:48 | 10:13/mi
24M
3:28:29
Rank: #18072 (-501)
23M24M
11:01 | 11:01/mi
40K· 24.85 mi
3:37:18
Rank: #18270 (-198)
24M40K
8:49 | 10:19/mi
25.2M
3:40:47
Rank: #18265 (+5)
40K25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:49:21
Rank: #18166 (+99)
25.2MFinish
8:34 | 8:24/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:40
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time2:04:41
Pace9:31 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3324:047:4524:04
7:45
-
10K
6.21 mi11:15:1548:467:5124:42
7:57
+0:12
15K
9.32 mi11:40:171:13:487:5525:02
8:03
+0:06
20K
12.43 mi12:05:411:39:127:5925:24
8:11
+0:08
Half
13.11 mi12:11:091:44:407:595:28
8:01
-0:10
25K
15.53 mi12:31:592:05:308:0520:50
8:36
+0:35
30K
18.64 mi13:01:352:35:068:1929:36
9:32
+0:56
20M
20.00 mi13:14:552:48:268:2513:20
9:49
+0:17
21M
21.00 mi13:24:502:58:218:309:55
9:55
+0:06
35K
21.75 mi13:31:093:04:408:296:19
8:27
-1:28
23M
23.00 mi13:43:573:17:288:3512:48
10:13
+1:46
24M
24.00 mi13:54:583:28:298:4111:01
11:01
+0:48
40K
24.85 mi14:03:473:37:188:458:49
10:19
-0:42
25.2M
25.20 mi14:07:163:40:478:463:29
10:06
-0:13
Finish
26.22 mi14:15:503:49:218:458:34
8:24
-1:42

Checkpoints & Pacing

📈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

7:45 /mi

Average Pace

8:45 /mi

Slowest Pace

11:01 /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

1:19:16

35% of race

Time at Steady Pace

1:01:07

27% of race

Time at Slower Pace

1:28:58

39% of race

Average Pace: 8:45 /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 mi10:50:3324:047:4524:04
7:45
#14337
10K
6.21 mi11:15:1548:467:5124:42
7:57
#15224
15K
9.32 mi11:40:171:13:487:5525:02
8:03
#15656
20K
12.43 mi12:05:411:39:127:5925:24
8:11
#15790
Half
13.11 mi12:11:091:44:407:595:28
8:01
#15800
25K
15.53 mi12:31:592:05:308:0520:50
8:36
#16162
30K
18.64 mi13:01:352:35:068:1929:36
9:32
#16956
20M
20.00 mi13:14:552:48:268:2513:20
9:49
#17272
21M
21.00 mi13:24:502:58:218:309:55
9:55
#17314
35K
21.75 mi13:31:093:04:408:296:19
8:27
#17212
23M
23.00 mi13:43:573:17:288:3512:48
10:13
#17571
24M
24.00 mi13:54:583:28:298:4111:01
11:01
#18072
40K
24.85 mi14:03:473:37:188:458:49
10:19
#18270
25.2M
25.20 mi14:07:163:40:478:463:29
10:06
#18265
Finish
26.22 mi14:15:503:49:218:458:34
8:24
#18166
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi14337101781017816459(Top 58%)11002(Top 68%)11002(Top 461%)
10K6.21 mi3.10 mi15224-88710505-32710505-32716064(Top 57%)10864(Top 67%)10864(Top 455%)
15K9.32 mi3.11 mi15656-43210681-17610681-17616459(Top 58%)11002(Top 68%)11002(Top 461%)
20K12.43 mi3.11 mi15790-13410709-2810709-2816143(Top 57%)10802(Top 67%)10802(Top 453%)
Half13.11 mi0.68 mi15800-1010722-1310722-1315972(Top 56%)10775(Top 67%)10775(Top 452%)
25K15.53 mi2.42 mi16162-36210861-13910861-13917757(Top 63%)11425(Top 71%)11425(Top 479%)
30K18.64 mi3.11 mi16956-79411119-25811119-25820037(Top 71%)12304(Top 76%)12304(Top 516%)
20M20.00 mi1.36 mi17272-31611212-9311212-9320326(Top 72%)12292(Top 76%)12292(Top 515%)
21M21.00 mi1.00 mi17314-4211200+1211200+1217964(Top 63%)11146(Top 69%)11146(Top 467%)
35K21.75 mi0.75 mi17212+10211135+6511135+6515129(Top 53%)9794(Top 61%)9794(Top 410%)
23M23.00 mi1.25 mi17571-35911255-12011255-12021182(Top 75%)12477(Top 77%)12477(Top 523%)
24M24.00 mi1.00 mi18072-50111468-21311468-21324010(Top 85%)13828(Top 86%)13828(Top 580%)
40K24.85 mi0.85 mi18270-19811525-5711525-5721393(Top 75%)12465(Top 77%)12465(Top 522%)
25.2M25.20 mi0.35 mi18265+511511+1411511+1417430(Top 61%)10570(Top 66%)10570(Top 443%)
Finish26.22 mi1.02 mi18166+9911456+5511456+5515613(Top 55%)9767(Top 61%)9767(Top 409%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16459

Males

11002

M45-49

11002

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16064

Males

10864

M45-49

10864

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16459

Males

11002

M45-49

11002

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16143

Males

10802

M45-49

10802

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15972

Males

10775

M45-49

10775

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17757

Males

11425

M45-49

11425

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20037

Males

12304

M45-49

12304

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20326

Males

12292

M45-49

12292

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17964

Males

11146

M45-49

11146

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15129

Males

9794

M45-49

9794

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21182

Males

12477

M45-49

12477

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

24010

Males

13828

M45-49

13828

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21393

Males

12465

M45-49

12465

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17430

Males

10570

M45-49

10570

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15613

Males

9767

M45-49

9767

Passing Analysis

Category:
Athletes Passed
1000
Passed By
4829
Net Change
-3829
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14337
5K10K65952-887#14337#15224
10K15K97529-432#15224#15656
15K20K160294-134#15656#15790
20KHalf3141-10#15790#15800
Half25K82444-362#15800#16162
25K30K72866-794#16162#16956
30K20M40356-316#16956#17272
20M21M89131-42#17272#17314
21M35K12220+102#17314#17212
35K23M44403-359#17212#17571
23M24M21522-501#17571#18072
24M40K25223-198#18072#18270
40K25.2M3126+5#18270#18265
25.2MFinish12122+99#18265#18166
TOTALS10004829-3829
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing