Derek Somerville

Bib: 3454M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M55-59)
#0 / 1422
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #4813
Start5K
21:10 | 6:49/mi
10K· 6.21 mi
42:23
Rank: #5134 (-321)
5K10K
21:13 | 6:50/mi
15K· 9.32 mi
1:03:41
Rank: #5296 (-162)
10K15K
21:18 | 6:51/mi
20K· 12.43 mi
1:26:04
Rank: #5875 (-579)
15K20K
22:23 | 7:12/mi
Half· 13.11 mi
1:31:02
Rank: #6023 (-148)
20KHalf
4:58 | 7:17/mi
25K· 15.53 mi
1:49:27
Rank: #6481 (-458)
Half25K
18:25 | 7:36/mi
30K· 18.64 mi
2:14:06
Rank: #6958 (-477)
25K30K
24:39 | 7:56/mi
20M
2:25:20
Rank: #7231 (-273)
30K20M
11:14 | 8:16/mi
21M
2:34:06
Rank: #7446 (-215)
20M21M
8:46 | 8:46/mi
35K· 21.75 mi
2:40:13
Rank: #7604 (-158)
21M35K
6:07 | 8:11/mi
23M
2:51:10
Rank: #8019 (-415)
35K23M
10:57 | 8:45/mi
24M
2:59:46
Rank: #8336 (-317)
23M24M
8:36 | 8:36/mi
40K· 24.85 mi
3:07:34
Rank: #8667 (-331)
24M40K
7:48 | 9:07/mi
25.2M
3:10:35
Rank: #8697 (-30)
40K25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:18:37
Rank: #8776 (-79)
25.2MFinish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:02
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:47:35
Pace8:12 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3721:106:4921:10
6:49
-
10K
6.21 mi10:43:5042:236:4921:13
6:50
+0:01
15K
9.32 mi11:05:081:03:416:5021:18
6:51
+0:01
20K
12.43 mi11:27:311:26:046:5622:23
7:12
+0:21
Half
13.11 mi11:32:291:31:026:574:58
7:17
+0:05
25K
15.53 mi11:50:541:49:277:0318:25
7:36
+0:19
30K
18.64 mi12:15:332:14:067:1224:39
7:56
+0:20
20M
20.00 mi12:26:472:25:207:1611:14
8:16
+0:20
21M
21.00 mi12:35:332:34:067:208:46
8:46
+0:30
35K
21.75 mi12:41:402:40:137:226:07
8:11
-0:35
23M
23.00 mi12:52:372:51:107:2710:57
8:45
+0:34
24M
24.00 mi13:01:132:59:467:298:36
8:36
-0:09
40K
24.85 mi13:09:013:07:347:337:48
9:07
+0:31
25.2M
25.20 mi13:12:023:10:357:343:01
8:45
-0:22
Finish
26.22 mi13:20:043:18:377:358:02
7:53
-0:52

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

6:49 /mi

Average Pace

7:35 /mi

Slowest Pace

9:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:02

46% of race

Time at Steady Pace

1:08:27

34% of race

Time at Slower Pace

39:08

20% of race

Average Pace: 7:35 /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 mi10:22:3721:106:4921:10
6:49
#4813
10K
6.21 mi10:43:5042:236:4921:13
6:50
#5134
15K
9.32 mi11:05:081:03:416:5021:18
6:51
#5296
20K
12.43 mi11:27:311:26:046:5622:23
7:12
#5875
Half
13.11 mi11:32:291:31:026:574:58
7:17
#6023
25K
15.53 mi11:50:541:49:277:0318:25
7:36
#6481
30K
18.64 mi12:15:332:14:067:1224:39
7:56
#6958
20M
20.00 mi12:26:472:25:207:1611:14
8:16
#7231
21M
21.00 mi12:35:332:34:067:208:46
8:46
#7446
35K
21.75 mi12:41:402:40:137:226:07
8:11
#7604
23M
23.00 mi12:52:372:51:107:2710:57
8:45
#8019
24M
24.00 mi13:01:132:59:467:298:36
8:36
#8336
40K
24.85 mi13:09:013:07:347:337:48
9:07
#8667
25.2M
25.20 mi13:12:023:10:357:343:01
8:45
#8697
Finish
26.22 mi13:20:043:18:377:358:02
7:53
#8776
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi4813447944795627(Top 21%)5169(Top 34%)5169(Top 364%)
10K6.21 mi3.10 mi5134-3214758-2794758-2795576(Top 21%)5126(Top 34%)5126(Top 360%)
15K9.32 mi3.11 mi5296-1624905-1474905-1475627(Top 21%)5169(Top 34%)5169(Top 364%)
20K12.43 mi3.11 mi5875-5795378-4735378-4737140(Top 27%)6318(Top 42%)6318(Top 444%)
Half13.11 mi0.68 mi6023-1485494-1165494-1168428(Top 32%)7167(Top 47%)7167(Top 504%)
25K15.53 mi2.42 mi6481-4585837-3435837-3439491(Top 36%)7702(Top 51%)7702(Top 542%)
30K18.64 mi3.11 mi6958-4776180-3436180-34310376(Top 39%)8018(Top 53%)8018(Top 564%)
20M20.00 mi1.36 mi7231-2736369-1896369-18912104(Top 45%)8741(Top 58%)8741(Top 615%)
21M21.00 mi1.00 mi7446-2156480-1116480-11112029(Top 45%)8587(Top 57%)8587(Top 604%)
35K21.75 mi0.75 mi7604-1586580-1006580-10013224(Top 50%)9065(Top 60%)9065(Top 637%)
23M23.00 mi1.25 mi8019-4156816-2366816-23614631(Top 55%)9633(Top 63%)9633(Top 677%)
24M24.00 mi1.00 mi8336-3176999-1836999-18315018(Top 56%)9749(Top 64%)9749(Top 686%)
40K24.85 mi0.85 mi8667-3317181-1827181-18216694(Top 63%)10432(Top 69%)10432(Top 734%)
25.2M25.20 mi0.35 mi8697-307183-27183-210934(Top 41%)7745(Top 51%)7745(Top 545%)
Finish26.22 mi1.02 mi8776-797210-277210-2711252(Top 42%)7909(Top 52%)7909(Top 556%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5627

Males

5169

M55-59

5169

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5576

Males

5126

M55-59

5126

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5627

Males

5169

M55-59

5169

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7140

Males

6318

M55-59

6318

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8428

Males

7167

M55-59

7167

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9491

Males

7702

M55-59

7702

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10376

Males

8018

M55-59

8018

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12104

Males

8741

M55-59

8741

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12029

Males

8587

M55-59

8587

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13224

Males

9065

M55-59

9065

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14631

Males

9633

M55-59

9633

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15018

Males

9749

M55-59

9749

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16694

Males

10432

M55-59

10432

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10934

Males

7745

M55-59

7745

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11252

Males

7909

M55-59

7909

Passing Analysis

Category:
Athletes Passed
357
Passed By
4320
Net Change
-3963
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4813
5K10K89410-321#4813#5134
10K15K58220-162#5134#5296
15K20K20599-579#5296#5875
20KHalf2150-148#5875#6023
Half25K19477-458#6023#6481
25K30K26503-477#6481#6958
30K20M14287-273#6958#7231
20M21M21236-215#7231#7446
21M35K11169-158#7446#7604
35K23M20435-415#7604#8019
23M24M17334-317#8019#8336
24M40K12343-331#8336#8667
40K25.2M1646-30#8667#8697
25.2MFinish32111-79#8697#8776
TOTALS3574320-3963
📊

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