Iain Williams

Bib: 9033M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 19%
Gender (Male)
#0 / 14578
Top 29%
Masters (Masters Men)
#0 / 9729
Top 17%
Division (M50-54)
#0 / 1935
Top 13%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:42
Rank: #6931
Start5K
21:42 | 6:59/mi
10K· 6.21 mi
43:29
Rank: #6809 (+122)
5K10K
21:47 | 7:01/mi
15K· 9.32 mi
1:05:50
Rank: #6995 (-186)
10K15K
22:21 | 7:12/mi
20K· 12.43 mi
1:28:12
Rank: #6752 (+243)
15K20K
22:22 | 7:12/mi
Half· 13.11 mi
1:33:04
Rank: #6741 (+11)
20KHalf
4:52 | 7:08/mi
25K· 15.53 mi
1:50:32
Rank: #6430 (+311)
Half25K
17:28 | 7:12/mi
30K· 18.64 mi
2:13:31
Rank: #5932 (+498)
25K30K
22:59 | 7:24/mi
20M
2:23:48
Rank: #5749 (+183)
30K20M
10:17 | 7:34/mi
21M
2:31:39
Rank: #5516 (+233)
20M21M
7:51 | 7:51/mi
35K· 21.75 mi
2:37:05
Rank: #5391 (+125)
21M35K
5:26 | 7:16/mi
23M
2:46:38
Rank: #5197 (+194)
35K23M
9:33 | 7:38/mi
24M
2:54:08
Rank: #5074 (+123)
23M24M
7:30 | 7:30/mi
40K· 24.85 mi
3:00:45
Rank: #4967 (+107)
24M40K
6:37 | 7:44/mi
25.2M
3:03:40
Rank: #4925 (+42)
40K25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:11:14
Rank: #4869 (+56)
25.2MFinish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:04
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:38:10
Pace7:29 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1921:426:5921:42
6:59
-
10K
6.21 mi11:09:0643:297:0021:47
7:01
+0:02
15K
9.32 mi11:31:271:05:507:0422:21
7:12
+0:11
20K
12.43 mi11:53:491:28:127:0622:22
7:12
0:00
Half
13.11 mi11:58:411:33:047:064:52
7:08
-0:04
25K
15.53 mi12:16:091:50:327:0717:28
7:12
+0:04
30K
18.64 mi12:39:082:13:317:1022:59
7:24
+0:12
20M
20.00 mi12:49:252:23:487:1110:17
7:34
+0:10
21M
21.00 mi12:57:162:31:397:137:51
7:51
+0:17
35K
21.75 mi13:02:422:37:057:135:26
7:16
-0:35
23M
23.00 mi13:12:152:46:387:159:33
7:38
+0:22
24M
24.00 mi13:19:452:54:087:157:30
7:30
-0:08
40K
24.85 mi13:26:223:00:457:166:37
7:44
+0:14
25.2M
25.20 mi13:29:173:03:407:172:55
8:27
+0:43
Finish
26.22 mi13:36:513:11:147:187:34
7:26
-1:01

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

6:59 /mi

Average Pace

7:18 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:32

58% of race

Time at Steady Pace

53:46

28% of race

Time at Slower Pace

26:56

14% of race

Average Pace: 7:18 /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 mi10:47:1921:426:5921:42
6:59
#6931
10K
6.21 mi11:09:0643:297:0021:47
7:01
#6809
15K
9.32 mi11:31:271:05:507:0422:21
7:12
#6995
20K
12.43 mi11:53:491:28:127:0622:22
7:12
#6752
Half
13.11 mi11:58:411:33:047:064:52
7:08
#6741
25K
15.53 mi12:16:091:50:327:0717:28
7:12
#6430
30K
18.64 mi12:39:082:13:317:1022:59
7:24
#5932
20M
20.00 mi12:49:252:23:487:1110:17
7:34
#5749
21M
21.00 mi12:57:162:31:397:137:51
7:51
#5516
35K
21.75 mi13:02:422:37:057:135:26
7:16
#5391
23M
23.00 mi13:12:152:46:387:159:33
7:38
#5197
24M
24.00 mi13:19:452:54:087:157:30
7:30
#5074
40K
24.85 mi13:26:223:00:457:166:37
7:44
#4967
25.2M
25.20 mi13:29:173:03:407:172:55
8:27
#4925
Finish
26.22 mi13:36:513:11:147:187:34
7:26
#4869
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6931611861187426(Top 29%)6350(Top 44%)6350(Top 328%)
10K6.21 mi3.10 mi6809+1226011+1076011+1076719(Top 26%)5922(Top 41%)5922(Top 306%)
15K9.32 mi3.11 mi6995-1866111-1006111-1007426(Top 29%)6350(Top 44%)6350(Top 328%)
20K12.43 mi3.11 mi6752+2435934+1775934+1776365(Top 25%)5565(Top 38%)5565(Top 288%)
Half13.11 mi0.68 mi6741+115924+105924+106484(Top 25%)5637(Top 39%)5637(Top 291%)
25K15.53 mi2.42 mi6430+3115661+2635661+2635319(Top 21%)4720(Top 32%)4720(Top 244%)
30K18.64 mi3.11 mi5932+4985244+4175244+4174616(Top 18%)4072(Top 28%)4072(Top 210%)
20M20.00 mi1.36 mi5749+1835081+1635081+1634590(Top 18%)3972(Top 27%)3972(Top 205%)
21M21.00 mi1.00 mi5516+2334884+1974884+1973639(Top 14%)3202(Top 22%)3202(Top 165%)
35K21.75 mi0.75 mi5391+1254778+1064778+1064021(Top 16%)3472(Top 24%)3472(Top 179%)
23M23.00 mi1.25 mi5197+1944604+1744604+1744099(Top 16%)3440(Top 24%)3440(Top 178%)
24M24.00 mi1.00 mi5074+1234490+1144490+1144135(Top 16%)3395(Top 23%)3395(Top 175%)
40K24.85 mi0.85 mi4967+1074380+1104380+1104488(Top 18%)3498(Top 24%)3498(Top 181%)
25.2M25.20 mi0.35 mi4925+424341+394341+394250(Top 17%)3314(Top 23%)3314(Top 171%)
Finish26.22 mi1.02 mi4869+564272+694272+695185(Top 20%)3898(Top 27%)3898(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7426

Males

6350

M50-54

6350

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6719

Males

5922

M50-54

5922

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7426

Males

6350

M50-54

6350

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6365

Males

5565

M50-54

5565

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6484

Males

5637

M50-54

5637

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5319

Males

4720

M50-54

4720

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4616

Males

4072

M50-54

4072

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4590

Males

3972

M50-54

3972

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3639

Males

3202

M50-54

3202

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4021

Males

3472

M50-54

3472

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4099

Males

3440

M50-54

3440

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4135

Males

3395

M50-54

3395

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4488

Males

3498

M50-54

3498

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4250

Males

3314

M50-54

3314

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5185

Males

3898

M50-54

3898

Passing Analysis

Category:
Athletes Passed
2723
Passed By
661
Net Change
+2062
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6931
5K10K252130+122#6931#6809
10K15K95281-186#6809#6995
15K20K29148+243#6995#6752
20KHalf3524+11#6752#6741
Half25K32817+311#6741#6430
25K30K52325+498#6430#5932
30K20M20522+183#5932#5749
20M21M2407+233#5749#5516
21M35K13510+125#5516#5391
35K23M21218+194#5391#5197
23M24M13714+123#5197#5074
24M40K13124+107#5074#4967
40K25.2M5311+42#4967#4925
25.2MFinish8630+56#4925#4869
TOTALS2723661+2062
📊

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