Michael Jefferson

Bib: 27281M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:25
Rank: #17780
Start5K
8:30/mi
26:25 split
10K· 6.21 mi
52:33
Rank: #17257 (+523)
5K10K
8:25/mi
26:08 split
15K· 9.32 mi
1:19:29
Rank: #17271 (-14)
10K15K
8:40/mi
26:56 split
20K· 12.43 mi
1:47:05
Rank: #17070 (+201)
15K20K
8:53/mi
27:36 split
Half· 13.11 mi
1:53:10
Rank: #17092 (-22)
20KHalf
8:55/mi
6:05 split
25K· 15.53 mi
2:17:01
Rank: #17460 (-368)
Half25K
9:50/mi
23:51 split
30K· 18.64 mi
2:49:47
Rank: #17856 (-396)
25K30K
10:33/mi
32:46 split
20M
3:05:30
Rank: #18202 (-346)
30K20M
11:34/mi
15:43 split
21M
3:18:35
Rank: #18434 (-232)
20M21M
13:05/mi
13:05 split
35K· 21.75 mi
3:26:48
Rank: #18483 (-49)
21M35K
10:59/mi
8:13 split
23M
3:40:34
Rank: #18447 (+36)
35K23M
11:00/mi
13:46 split
24M
3:51:20
Rank: #18453 (-6)
23M24M
10:46/mi
10:46 split
40K· 24.85 mi
4:01:37
Rank: #18551 (-98)
24M40K
12:02/mi
10:17 split
25.2M
4:06:17
Rank: #18574 (-23)
40K25.2M
13:32/mi
4:40 split
Finish· 26.22 mi
4:16:44
Rank: #18582 (-8)
25.2MFinish
10:15/mi
10:27 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:10
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:23:34
Pace10:57 /mi
📊Positive Split: 26.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1126:258:3026:25
8:30
-
10K
6.21 mi12:11:1952:338:2726:08
8:25
-0:05
15K
9.32 mi12:38:151:19:298:3226:56
8:40
+0:15
20K
12.43 mi13:05:511:47:058:3727:36
8:53
+0:13
Half
13.11 mi13:11:561:53:108:386:05
8:55
+0:02
25K
15.53 mi13:35:472:17:018:4923:51
9:50
+0:55
30K
18.64 mi14:08:332:49:479:0632:46
10:33
+0:43
20M
20.00 mi14:24:163:05:309:1615:43
11:34
+1:01
21M
21.00 mi14:37:213:18:359:2713:05
13:05
+1:31
35K
21.75 mi14:45:343:26:489:318:13
10:59
-2:06
23M
23.00 mi14:59:203:40:349:3513:46
11:00
+0:01
24M
24.00 mi15:10:063:51:209:3810:46
10:46
-0:14
40K
24.85 mi15:20:234:01:379:4310:17
12:02
+1:16
25.2M
25.20 mi15:25:034:06:179:464:40
13:32
+1:30
Finish
26.22 mi15:35:304:16:449:4810:27
10:15
-3:17

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

8:25 /mi

Average Pace

9:48 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:10

44% of race

Time at Steady Pace

1:39:49

39% of race

Time at Slower Pace

43:45

17% of race

Average Pace: 9:47 /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 mi11:45:1126:258:3026:25
8:30
#17780
10K
6.21 mi12:11:1952:338:2726:08
8:25
#17257
15K
9.32 mi12:38:151:19:298:3226:56
8:40
#17271
20K
12.43 mi13:05:511:47:058:3727:36
8:53
#17070
Half
13.11 mi13:11:561:53:108:386:05
8:55
#17092
25K
15.53 mi13:35:472:17:018:4923:51
9:50
#17460
30K
18.64 mi14:08:332:49:479:0632:46
10:33
#17856
20M
20.00 mi14:24:163:05:309:1615:43
11:34
#18202
21M
21.00 mi14:37:213:18:359:2713:05
13:05
#18434
35K
21.75 mi14:45:343:26:489:318:13
10:59
#18483
23M
23.00 mi14:59:203:40:349:3513:46
11:00
#18447
24M
24.00 mi15:10:063:51:209:3810:46
10:46
#18453
40K
24.85 mi15:20:234:01:379:4310:17
12:02
#18551
25.2M
25.20 mi15:25:034:06:179:464:40
13:32
#18574
Finish
26.22 mi15:35:304:16:449:4810:27
10:15
#18582
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi17780111161111617316(Top 68%)10951(Top 75%)10951(Top 545%)
10K6.21 mi3.10 mi17257+52310914+20210914+20216754(Top 66%)10731(Top 74%)10731(Top 534%)
15K9.32 mi3.11 mi17271-1410926-1210926-1217316(Top 68%)10951(Top 75%)10951(Top 545%)
20K12.43 mi3.11 mi17070+20110826+10010826+10016801(Top 66%)10705(Top 73%)10705(Top 533%)
Half13.11 mi0.68 mi17092-2210821+510821+517866(Top 70%)11109(Top 76%)11109(Top 553%)
25K15.53 mi2.42 mi17460-36810953-13210953-13218653(Top 73%)11421(Top 78%)11421(Top 568%)
30K18.64 mi3.11 mi17856-39611060-10711060-10718901(Top 74%)11339(Top 78%)11339(Top 564%)
20M20.00 mi1.36 mi18202-34611190-13011190-13020542(Top 80%)11992(Top 82%)11992(Top 597%)
21M21.00 mi1.00 mi18434-23211273-8311273-8320873(Top 82%)12088(Top 83%)12088(Top 602%)
35K21.75 mi0.75 mi18483-4911285-1211285-1219763(Top 77%)11499(Top 79%)11499(Top 572%)
23M23.00 mi1.25 mi18447+3611240+4511240+4518407(Top 72%)10762(Top 74%)10762(Top 536%)
24M24.00 mi1.00 mi18453-611225+1511225+1518597(Top 73%)10804(Top 74%)10804(Top 538%)
40K24.85 mi0.85 mi18551-9811247-2211247-2220491(Top 80%)11692(Top 80%)11692(Top 582%)
25.2M25.20 mi0.35 mi18574-2311245+211245+220753(Top 81%)11820(Top 81%)11820(Top 588%)
Finish26.22 mi1.02 mi18582-811220+2511220+2519240(Top 75%)11099(Top 76%)11099(Top 552%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

17316

Males

10951

M40-44

10951

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

16754

Males

10731

M40-44

10731

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

17316

Males

10951

M40-44

10951

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

16801

Males

10705

M40-44

10705

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

17866

Males

11109

M40-44

11109

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

18653

Males

11421

M40-44

11421

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

18901

Males

11339

M40-44

11339

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

20542

Males

11992

M40-44

11992

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

20873

Males

12088

M40-44

12088

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

19763

Males

11499

M40-44

11499

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

18407

Males

10762

M40-44

10762

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

18597

Males

10804

M40-44

10804

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

20491

Males

11692

M40-44

11692

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

20753

Males

11820

M40-44

11820

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19240

Males

11099

M40-44

11099

Passing Analysis

Category:
Athletes Passed
1928
Passed By
2730
Net Change
-802
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17780
5K10K624101+523#17780#17257
10K15K249263-14#17257#17271
15K20K355154+201#17271#17070
20KHalf3456-22#17070#17092
Half25K97465-368#17092#17460
25K30K136532-396#17460#17856
30K20M36382-346#17856#18202
20M21M39271-232#18202#18434
21M35K4089-49#18434#18483
35K23M12488+36#18483#18447
23M24M6571-6#18447#18453
24M40K41139-98#18453#18551
40K25.2M2245-23#18551#18574
25.2MFinish6674-8#18574#18582
TOTALS19282730-802
📊

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