Jeff Seltzer

Bib: 26959M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:09
Rank: #24349
Start5K
32:09 | 10:21/mi
10K· 6.21 mi
1:07:15
Rank: #25308 (-959)
5K10K
35:06 | 11:18/mi
15K· 9.32 mi
1:45:13
Rank: #25787 (-479)
10K15K
37:58 | 12:13/mi
20K· 12.43 mi
2:23:36
Rank: #25845 (-58)
15K20K
38:23 | 12:21/mi
Half· 13.11 mi
2:31:43
Rank: #25847 (-2)
20KHalf
8:07 | 11:54/mi
25K· 15.53 mi
3:03:33
Rank: #25867 (-20)
Half25K
31:50 | 13:08/mi
30K· 18.64 mi
3:47:13
Rank: #25935 (-68)
25K30K
43:40 | 14:03/mi
20M
4:05:37
Rank: #25922 (+13)
30K20M
18:24 | 13:32/mi
21M
4:22:20
Rank: #25975 (-53)
20M21M
16:43 | 16:43/mi
35K· 21.75 mi
4:32:46
Rank: #25979 (-4)
21M35K
10:26 | 13:57/mi
23M
4:54:15
Rank: #26094 (-115)
35K23M
21:29 | 17:10/mi
24M
5:08:05
Rank: #26108 (-14)
23M24M
13:50 | 13:50/mi
40K· 24.85 mi
5:20:37
Rank: #26117 (-9)
24M40K
12:32 | 14:40/mi
25.2M
5:26:28
Rank: #26128 (-11)
40K25.2M
5:51 | 16:58/mi
Finish· 26.22 mi
5:39:21
Rank: #26118 (+10)
25.2MFinish
12:53 | 12:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:31:43
Pace11:34 /mi
2nd Half
Distance13.11 mi
Time3:07:38
Pace14:19 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3232:0910:2132:09
10:21
-
10K
6.21 mi12:26:381:07:1510:4935:06
11:18
+0:57
15K
9.32 mi13:04:361:45:1311:1737:58
12:13
+0:55
20K
12.43 mi13:42:592:23:3611:3338:23
12:21
+0:08
Half
13.11 mi13:51:062:31:4311:348:07
11:54
-0:27
25K
15.53 mi14:22:563:03:3311:4931:50
13:08
+1:14
30K
18.64 mi15:06:363:47:1312:1143:40
14:03
+0:55
20M
20.00 mi15:25:004:05:3712:1718:24
13:32
-0:31
21M
21.00 mi15:41:434:22:2012:3016:43
16:43
+3:11
35K
21.75 mi15:52:094:32:4612:3310:26
13:57
-2:46
23M
23.00 mi16:13:384:54:1512:4821:29
17:10
+3:13
24M
24.00 mi16:27:285:08:0512:5013:50
13:50
-3:20
40K
24.85 mi16:40:005:20:3712:5412:32
14:40
+0:50
25.2M
25.20 mi16:45:515:26:2812:575:51
16:58
+2:18
Finish
26.22 mi16:58:445:39:2112:5712:53
12:39
-4:19

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

10:21 /mi

Average Pace

12:57 /mi

Slowest Pace

17:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:43

45% of race

Time at Steady Pace

2:11:03

39% of race

Time at Slower Pace

56:35

17% of race

Average Pace: 12:57 /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 mi11:51:3232:0910:2132:09
10:21
#24349
10K
6.21 mi12:26:381:07:1510:4935:06
11:18
#25308
15K
9.32 mi13:04:361:45:1311:1737:58
12:13
#25787
20K
12.43 mi13:42:592:23:3611:3338:23
12:21
#25845
Half
13.11 mi13:51:062:31:4311:348:07
11:54
#25847
25K
15.53 mi14:22:563:03:3311:4931:50
13:08
#25867
30K
18.64 mi15:06:363:47:1312:1143:40
14:03
#25935
20M
20.00 mi15:25:004:05:3712:1718:24
13:32
#25922
21M
21.00 mi15:41:434:22:2012:3016:43
16:43
#25975
35K
21.75 mi15:52:094:32:4612:3310:26
13:57
#25979
23M
23.00 mi16:13:384:54:1512:4821:29
17:10
#26094
24M
24.00 mi16:27:285:08:0512:5013:50
13:50
#26108
40K
24.85 mi16:40:005:20:3712:5412:32
14:40
#26117
25.2M
25.20 mi16:45:515:26:2812:575:51
16:58
#26128
Finish
26.22 mi16:58:445:39:2112:5712:53
12:39
#26118
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24349142611426126186(Top 98%)15007(Top 99%)15007(Top 666%)
10K6.21 mi3.10 mi25308-95914683-42214683-42225786(Top 97%)14861(Top 98%)14861(Top 660%)
15K9.32 mi3.11 mi25787-47914862-17914862-17926186(Top 98%)15007(Top 99%)15007(Top 666%)
20K12.43 mi3.11 mi25845-5814877-1514877-1525865(Top 97%)14866(Top 98%)14866(Top 660%)
Half13.11 mi0.68 mi25847-2148771487725802(Top 97%)14827(Top 98%)14827(Top 658%)
25K15.53 mi2.42 mi25867-20148771487725937(Top 97%)14871(Top 98%)14871(Top 660%)
30K18.64 mi3.11 mi25935-6814898-2114898-2126057(Top 98%)14905(Top 98%)14905(Top 662%)
20M20.00 mi1.36 mi25922+1314895+314895+325565(Top 96%)14652(Top 97%)14652(Top 651%)
21M21.00 mi1.00 mi25975-5314912-1714912-1726391(Top 99%)15052(Top 99%)15052(Top 668%)
35K21.75 mi0.75 mi25979-414908+414908+426109(Top 98%)14900(Top 98%)14900(Top 662%)
23M23.00 mi1.25 mi26094-11514949-4114949-4126562(Top 100%)15140(Top 100%)15140(Top 672%)
24M24.00 mi1.00 mi26108-1414951-214951-225990(Top 98%)14811(Top 98%)14811(Top 658%)
40K24.85 mi0.85 mi26117-914952-114952-126012(Top 98%)14812(Top 98%)14812(Top 658%)
25.2M25.20 mi0.35 mi26128-1114956-414956-426362(Top 99%)15010(Top 99%)15010(Top 667%)
Finish26.22 mi1.02 mi26118+1014950+614950+625770(Top 97%)14690(Top 97%)14690(Top 652%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

26186

Males

15007

M45-49

15007

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25786

Males

14861

M45-49

14861

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

26186

Males

15007

M45-49

15007

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25865

Males

14866

M45-49

14866

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

25802

Males

14827

M45-49

14827

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

25937

Males

14871

M45-49

14871

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

26057

Males

14905

M45-49

14905

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

25565

Males

14652

M45-49

14652

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

26391

Males

15052

M45-49

15052

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

26109

Males

14900

M45-49

14900

35K→23M

21.8 - 23.0 mi

Top 100%
×5stories
+23ft-63ft

Overall

26562

Males

15140

M45-49

15140

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

25990

Males

14811

M45-49

14811

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26012

Males

14812

M45-49

14812

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26362

Males

15010

M45-49

15010

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

25770

Males

14690

M45-49

14690

Passing Analysis

Category:
Athletes Passed
213
Passed By
1982
Net Change
-1769
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24349
5K10K11970-959#24349#25308
10K15K9488-479#25308#25787
15K20K48106-58#25787#25845
20KHalf810-2#25845#25847
Half25K3454-20#25847#25867
25K30K2492-68#25867#25935
30K20M2916+13#25935#25922
20M21M861-53#25922#25975
21M35K1216-4#25975#25979
35K23M0115-115#25979#26094
23M24M721-14#26094#26108
24M40K918-9#26108#26117
40K25.2M011-11#26117#26128
25.2MFinish144+10#26128#26118
TOTALS2131982-1769
📊

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