Grzegorz Zielinski

Bib: 11557M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 48%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 50%
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:42
Rank: #11757
Start5K
7:38/mi
23:42 split
10K· 6.21 mi
48:04
Rank: #12365 (-608)
5K10K
7:51/mi
24:22 split
15K· 9.32 mi
1:12:28
Rank: #12301 (+64)
10K15K
7:51/mi
24:24 split
20K· 12.43 mi
1:37:33
Rank: #12254 (+47)
15K20K
8:04/mi
25:05 split
Half· 13.11 mi
1:42:58
Rank: #12259 (-5)
20KHalf
7:56/mi
5:25 split
25K· 15.53 mi
2:03:16
Rank: #12234 (+25)
Half25K
8:22/mi
20:18 split
30K· 18.64 mi
2:30:40
Rank: #12236 (-2)
25K30K
8:49/mi
27:24 split
20M
2:43:21
Rank: #12312 (-76)
30K20M
9:20/mi
12:41 split
21M
2:53:01
Rank: #12234 (+78)
20M21M
9:40/mi
9:40 split
35K· 21.75 mi
2:59:02
Rank: #12047 (+187)
21M35K
8:03/mi
6:01 split
23M
3:11:58
Rank: #12387 (-340)
35K23M
10:20/mi
12:56 split
24M
3:20:48
Rank: #12286 (+101)
23M24M
8:50/mi
8:50 split
40K· 24.85 mi
3:28:57
Rank: #12311 (-25)
24M40K
9:32/mi
8:09 split
25.2M
3:32:40
Rank: #12325 (-14)
40K25.2M
10:47/mi
3:43 split
Finish· 26.22 mi
3:41:12
Rank: #12257 (+68)
25.2MFinish
8:22/mi
8:32 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:58:14
Pace9:01 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5023:427:3823:42
7:38
-
10K
6.21 mi11:16:1248:047:4424:22
7:51
+0:13
15K
9.32 mi11:40:361:12:287:4624:24
7:51
0:00
20K
12.43 mi12:05:411:37:337:5125:05
8:04
+0:13
Half
13.11 mi12:11:061:42:587:515:25
7:56
-0:08
25K
15.53 mi12:31:242:03:167:5620:18
8:22
+0:26
30K
18.64 mi12:58:482:30:408:0527:24
8:49
+0:27
20M
20.00 mi13:11:292:43:218:1012:41
9:20
+0:31
21M
21.00 mi13:21:092:53:018:149:40
9:40
+0:20
35K
21.75 mi13:27:102:59:028:146:01
8:03
-1:37
23M
23.00 mi13:40:063:11:588:2112:56
10:20
+2:17
24M
24.00 mi13:48:563:20:488:228:50
8:50
-1:30
40K
24.85 mi13:57:053:28:578:248:09
9:32
+0:42
25.2M
25.20 mi14:00:483:32:408:263:43
10:47
+1:15
Finish
26.22 mi14:09:203:41:128:278:32
8:22
-2:25

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

7:38 /mi

Average Pace

8:27 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:28

33% of race

Time at Steady Pace

1:41:35

46% of race

Time at Slower Pace

47:09

21% of race

Average Pace: 8:26 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:51:5023:427:3823:42
7:38
#11757
10K
6.21 mi11:16:1248:047:4424:22
7:51
#12365
15K
9.32 mi11:40:361:12:287:4624:24
7:51
#12301
20K
12.43 mi12:05:411:37:337:5125:05
8:04
#12254
Half
13.11 mi12:11:061:42:587:515:25
7:56
#12259
25K
15.53 mi12:31:242:03:167:5620:18
8:22
#12234
30K
18.64 mi12:58:482:30:408:0527:24
8:49
#12236
20M
20.00 mi13:11:292:43:218:1012:41
9:20
#12312
21M
21.00 mi13:21:092:53:018:149:40
9:40
#12234
35K
21.75 mi13:27:102:59:028:146:01
8:03
#12047
23M
23.00 mi13:40:063:11:588:2112:56
10:20
#12387
24M
24.00 mi13:48:563:20:488:228:50
8:50
#12286
40K
24.85 mi13:57:053:28:578:248:09
9:32
#12311
25.2M
25.20 mi14:00:483:32:408:263:43
10:47
#12325
Finish
26.22 mi14:09:203:41:128:278:32
8:22
#12257
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi117578741874112349(Top 48%)8886(Top 61%)8886(Top 459%)
10K6.21 mi3.10 mi12365-6088960-2198960-21912996(Top 51%)9196(Top 63%)9196(Top 475%)
15K9.32 mi3.11 mi12301+648907+538907+5312349(Top 48%)8886(Top 61%)8886(Top 459%)
20K12.43 mi3.11 mi12254+478866+418866+4112332(Top 48%)8807(Top 60%)8807(Top 455%)
Half13.11 mi0.68 mi12259-58869-38869-312265(Top 48%)8766(Top 60%)8766(Top 453%)
25K15.53 mi2.42 mi12234+258813+568813+5612367(Top 48%)8630(Top 59%)8630(Top 446%)
30K18.64 mi3.11 mi12236-28732+818732+8112277(Top 48%)8370(Top 57%)8370(Top 433%)
20M20.00 mi1.36 mi12312-768711+218711+2113759(Top 54%)8740(Top 60%)8740(Top 452%)
21M21.00 mi1.00 mi12234+788607+1048607+10411545(Top 45%)7491(Top 51%)7491(Top 387%)
35K21.75 mi0.75 mi12047+1878493+1148493+1148058(Top 32%)5798(Top 40%)5798(Top 300%)
23M23.00 mi1.25 mi12387-3408573-808573-8016499(Top 65%)9808(Top 67%)9808(Top 507%)
24M24.00 mi1.00 mi12286+1018476+978476+9711273(Top 44%)7199(Top 49%)7199(Top 372%)
40K24.85 mi0.85 mi12311-258445+318445+3113226(Top 52%)8038(Top 55%)8038(Top 415%)
25.2M25.20 mi0.35 mi12325-148432+138432+1313729(Top 54%)8278(Top 57%)8278(Top 428%)
Finish26.22 mi1.02 mi12257+688369+638369+6310783(Top 42%)6888(Top 47%)6888(Top 356%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12349

Males

8886

M50-54

8886

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

12996

Males

9196

M50-54

9196

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12349

Males

8886

M50-54

8886

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12332

Males

8807

M50-54

8807

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12265

Males

8766

M50-54

8766

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12367

Males

8630

M50-54

8630

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12277

Males

8370

M50-54

8370

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

13759

Males

8740

M50-54

8740

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11545

Males

7491

M50-54

7491

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8058

Males

5798

M50-54

5798

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

16499

Males

9808

M50-54

9808

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11273

Males

7199

M50-54

7199

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13226

Males

8038

M50-54

8038

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

13729

Males

8278

M50-54

8278

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

10783

Males

6888

M50-54

6888

Passing Analysis

Category:
Athletes Passed
2113
Passed By
2613
Net Change
-500
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11757
5K10K104712-608#11757#12365
10K15K257193+64#12365#12301
15K20K252205+47#12301#12254
20KHalf3843-5#12254#12259
Half25K255230+25#12259#12234
25K30K301303-2#12234#12236
30K20M115191-76#12236#12312
20M21M16991+78#12312#12234
21M35K1936+187#12234#12047
35K23M65405-340#12047#12387
23M24M14948+101#12387#12286
24M40K82107-25#12286#12311
40K25.2M3145-14#12311#12325
25.2MFinish10234+68#12325#12257
TOTALS21132613-500
📊

Passing Visuals

Category:
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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