Jeremy Haefner

Bib: 23619M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:03
Rank: #20577
Start5K
28:03 | 9:02/mi
10K· 6.21 mi
55:43
Rank: #20503 (+74)
5K10K
27:40 | 8:54/mi
15K· 9.32 mi
1:24:42
Rank: #20976 (-473)
10K15K
28:59 | 9:20/mi
20K· 12.43 mi
1:56:07
Rank: #21656 (-680)
15K20K
31:25 | 10:07/mi
Half· 13.11 mi
2:02:39
Rank: #21689 (-33)
20KHalf
6:32 | 9:35/mi
25K· 15.53 mi
2:27:13
Rank: #21823 (-134)
Half25K
24:34 | 10:08/mi
30K· 18.64 mi
3:00:57
Rank: #22084 (-261)
25K30K
33:44 | 10:51/mi
20M
3:15:55
Rank: #22146 (-62)
30K20M
14:58 | 11:01/mi
21M
3:27:55
Rank: #22175 (-29)
20M21M
12:00 | 12:00/mi
35K· 21.75 mi
3:36:05
Rank: #22209 (-34)
21M35K
8:10 | 10:55/mi
23M
3:50:09
Rank: #22266 (-57)
35K23M
14:04 | 11:14/mi
24M
4:01:24
Rank: #22339 (-73)
23M24M
11:15 | 11:15/mi
40K· 24.85 mi
4:11:09
Rank: #22356 (-17)
24M40K
9:45 | 11:24/mi
25.2M
4:15:08
Rank: #22350 (+6)
40K25.2M
3:59 | 11:33/mi
Finish· 26.22 mi
4:25:06
Rank: #22311 (+39)
25.2MFinish
9:58 | 9:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:39
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:22:27
Pace10:52 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4428:039:0228:03
9:02
-
10K
6.21 mi11:50:2455:438:5827:40
8:54
-0:08
15K
9.32 mi12:19:231:24:429:0528:59
9:20
+0:26
20K
12.43 mi12:50:481:56:079:2131:25
10:07
+0:47
Half
13.11 mi12:57:202:02:399:216:32
9:35
-0:32
25K
15.53 mi13:21:542:27:139:2924:34
10:08
+0:33
30K
18.64 mi13:55:383:00:579:4233:44
10:51
+0:43
20M
20.00 mi14:10:363:15:559:4814:58
11:01
+0:10
21M
21.00 mi14:22:363:27:559:5412:00
12:00
+0:59
35K
21.75 mi14:30:463:36:059:568:10
10:55
-1:05
23M
23.00 mi14:44:503:50:0910:0014:04
11:14
+0:19
24M
24.00 mi14:56:054:01:2410:0411:15
11:15
+0:01
40K
24.85 mi15:05:504:11:0910:069:45
11:24
+0:09
25.2M
25.20 mi15:09:494:15:0810:073:59
11:33
+0:09
Finish
26.22 mi15:19:474:25:0610:079:58
9:47
-1:46

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

8:54 /mi

Average Pace

10:07 /mi

Slowest Pace

12:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:11

59% of race

Time at Steady Pace

1:22:11

31% of race

Time at Slower Pace

25:44

10% of race

Average Pace: 10:07 /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 mi11:22:4428:039:0228:03
9:02
#20577
10K
6.21 mi11:50:2455:438:5827:40
8:54
#20503
15K
9.32 mi12:19:231:24:429:0528:59
9:20
#20976
20K
12.43 mi12:50:481:56:079:2131:25
10:07
#21656
Half
13.11 mi12:57:202:02:399:216:32
9:35
#21689
25K
15.53 mi13:21:542:27:139:2924:34
10:08
#21823
30K
18.64 mi13:55:383:00:579:4233:44
10:51
#22084
20M
20.00 mi14:10:363:15:559:4814:58
11:01
#22146
21M
21.00 mi14:22:363:27:559:5412:00
12:00
#22175
35K
21.75 mi14:30:463:36:059:568:10
10:55
#22209
23M
23.00 mi14:44:503:50:0910:0014:04
11:14
#22266
24M
24.00 mi14:56:054:01:2410:0411:15
11:15
#22339
40K
24.85 mi15:05:504:11:0910:069:45
11:24
#22356
25.2M
25.20 mi15:09:494:15:0810:073:59
11:33
#22350
Finish
26.22 mi15:19:474:25:0610:079:58
9:47
#22311
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20577124001240021724(Top 82%)13074(Top 86%)13074(Top 2381%)
10K6.21 mi3.10 mi20503+7412448-4812448-4820443(Top 77%)12477(Top 82%)12477(Top 2273%)
15K9.32 mi3.11 mi20976-47312682-23412682-23421724(Top 82%)13074(Top 86%)13074(Top 2381%)
20K12.43 mi3.11 mi21656-68012995-31312995-31323132(Top 87%)13690(Top 90%)13690(Top 2494%)
Half13.11 mi0.68 mi21689-3313015-2013015-2022312(Top 84%)13333(Top 88%)13333(Top 2429%)
25K15.53 mi2.42 mi21823-13413080-6513080-6522484(Top 84%)13354(Top 88%)13354(Top 2432%)
30K18.64 mi3.11 mi22084-26113180-10013180-10022885(Top 86%)13462(Top 89%)13462(Top 2452%)
20M20.00 mi1.36 mi22146-6213193-1313193-1322729(Top 85%)13328(Top 88%)13328(Top 2428%)
21M21.00 mi1.00 mi22175-2913204-1113204-1122753(Top 85%)13316(Top 88%)13316(Top 2426%)
35K21.75 mi0.75 mi22209-3413208-413208-423139(Top 87%)13448(Top 89%)13448(Top 2450%)
23M23.00 mi1.25 mi22266-5713225-1713225-1722785(Top 86%)13282(Top 88%)13282(Top 2419%)
24M24.00 mi1.00 mi22339-7313249-2413249-2423493(Top 88%)13577(Top 89%)13577(Top 2473%)
40K24.85 mi0.85 mi22356-1713247+213247+223059(Top 87%)13347(Top 88%)13347(Top 2431%)
25.2M25.20 mi0.35 mi22350+613241+613241+621650(Top 81%)12695(Top 84%)12695(Top 2312%)
Finish26.22 mi1.02 mi22311+3913218+2313218+2321080(Top 79%)12461(Top 82%)12461(Top 2270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21724

Males

13074

M65-69

13074

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20443

Males

12477

M65-69

12477

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21724

Males

13074

M65-69

13074

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23132

Males

13690

M65-69

13690

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22312

Males

13333

M65-69

13333

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22484

Males

13354

M65-69

13354

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22885

Males

13462

M65-69

13462

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22729

Males

13328

M65-69

13328

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22753

Males

13316

M65-69

13316

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23139

Males

13448

M65-69

13448

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22785

Males

13282

M65-69

13282

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23493

Males

13577

M65-69

13577

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23059

Males

13347

M65-69

13347

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21650

Males

12695

M65-69

12695

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

21080

Males

12461

M65-69

12461

Passing Analysis

Category:
Athletes Passed
829
Passed By
2563
Net Change
-1734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20577
5K10K349275+74#20577#20503
10K15K49522-473#20503#20976
15K20K18698-680#20976#21656
20KHalf1548-33#21656#21689
Half25K59193-134#21689#21823
25K30K72333-261#21823#22084
30K20M47109-62#22084#22146
20M21M4069-29#22146#22175
21M35K2660-34#22175#22209
35K23M3087-57#22209#22266
23M24M2295-73#22266#22339
24M40K3350-17#22339#22356
40K25.2M1812+6#22356#22350
25.2MFinish5112+39#22350#22311
TOTALS8292563-1734
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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