Alexander Kerr

Bib: 26281M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:48
Rank: #20605
Start5K
8:38/mi
26:48 split
10K· 6.21 mi
53:42
Rank: #20623 (-18)
5K10K
8:39/mi
26:54 split
15K· 9.32 mi
1:21:19
Rank: #20871 (-248)
10K15K
8:53/mi
27:37 split
20K· 12.43 mi
1:49:44
Rank: #21064 (-193)
15K20K
9:09/mi
28:25 split
Half· 13.11 mi
1:55:47
Rank: #21091 (-27)
20KHalf
8:52/mi
6:03 split
25K· 15.53 mi
2:18:08
Rank: #21056 (+35)
Half25K
9:13/mi
22:21 split
30K· 18.64 mi
2:49:08
Rank: #21212 (-156)
25K30K
9:59/mi
31:00 split
20M
3:03:10
Rank: #21281 (-69)
30K20M
10:20/mi
14:02 split
21M
3:14:13
Rank: #21315 (-34)
20M21M
11:03/mi
11:03 split
35K· 21.75 mi
3:21:56
Rank: #21395 (-80)
21M35K
10:19/mi
7:43 split
23M
3:35:55
Rank: #21575 (-180)
35K23M
11:10/mi
13:59 split
24M
3:47:05
Rank: #21741 (-166)
23M24M
11:10/mi
11:10 split
40K· 24.85 mi
3:56:15
Rank: #21761 (-20)
24M40K
10:43/mi
9:10 split
25.2M
4:00:16
Rank: #21760 (+1)
40K25.2M
11:39/mi
4:01 split
Finish· 26.22 mi
4:10:14
Rank: #21774 (-14)
25.2MFinish
9:47/mi
9:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:47
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:14:27
Pace10:15 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:5926:488:3826:48
8:38
-
10K
6.21 mi12:08:5353:428:3926:54
8:39
+0:01
15K
9.32 mi12:36:301:21:198:4327:37
8:53
+0:14
20K
12.43 mi13:04:551:49:448:5028:25
9:09
+0:16
Half
13.11 mi13:10:581:55:478:506:03
8:52
-0:17
25K
15.53 mi13:33:192:18:088:5422:21
9:13
+0:21
30K
18.64 mi14:04:192:49:089:0431:00
9:59
+0:46
20M
20.00 mi14:18:213:03:109:0914:02
10:20
+0:21
21M
21.00 mi14:29:243:14:139:1511:03
11:03
+0:43
35K
21.75 mi14:37:073:21:569:177:43
10:19
-0:44
23M
23.00 mi14:51:063:35:559:2313:59
11:10
+0:51
24M
24.00 mi15:02:163:47:059:2811:10
11:10
0:00
40K
24.85 mi15:11:263:56:159:309:10
10:43
-0:27
25.2M
25.20 mi15:15:274:00:169:324:01
11:39
+0:56
Finish
26.22 mi15:25:254:10:149:339:58
9:47
-1:52

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

8:38 /mi

Average Pace

9:33 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:08

55% of race

Time at Steady Pace

1:02:43

25% of race

Time at Slower Pace

49:23

20% of race

Average Pace: 9:33 /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 mi11:41:5926:488:3826:48
8:38
#20605
10K
6.21 mi12:08:5353:428:3926:54
8:39
#20623
15K
9.32 mi12:36:301:21:198:4327:37
8:53
#20871
20K
12.43 mi13:04:551:49:448:5028:25
9:09
#21064
Half
13.11 mi13:10:581:55:478:506:03
8:52
#21091
25K
15.53 mi13:33:192:18:088:5422:21
9:13
#21056
30K
18.64 mi14:04:192:49:089:0431:00
9:59
#21212
20M
20.00 mi14:18:213:03:109:0914:02
10:20
#21281
21M
21.00 mi14:29:243:14:139:1511:03
11:03
#21315
35K
21.75 mi14:37:073:21:569:177:43
10:19
#21395
23M
23.00 mi14:51:063:35:559:2313:59
11:10
#21575
24M
24.00 mi15:02:163:47:059:2811:10
11:10
#21741
40K
24.85 mi15:11:263:56:159:309:10
10:43
#21761
25.2M
25.20 mi15:15:274:00:169:324:01
11:39
#21760
Finish
26.22 mi15:25:254:10:149:339:58
9:47
#21774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20605126881268821510(Top 76%)13170(Top 82%)13170(Top 233%)
10K6.21 mi3.10 mi20623-1812720-3212720-3220647(Top 73%)12762(Top 79%)12762(Top 226%)
15K9.32 mi3.11 mi20871-24812847-12712847-12721510(Top 76%)13170(Top 82%)13170(Top 233%)
20K12.43 mi3.11 mi21064-19312940-9312940-9321654(Top 76%)13194(Top 82%)13194(Top 234%)
Half13.11 mi0.68 mi21091-2712957-1712957-1721212(Top 75%)13009(Top 81%)13009(Top 231%)
25K15.53 mi2.42 mi21056+3512927+3012927+3020829(Top 73%)12780(Top 79%)12780(Top 227%)
30K18.64 mi3.11 mi21212-15612957-3012957-3021534(Top 76%)12961(Top 80%)12961(Top 230%)
20M20.00 mi1.36 mi21281-6912961-412961-421934(Top 77%)13023(Top 81%)13023(Top 231%)
21M21.00 mi1.00 mi21315-3412967-612967-621533(Top 76%)12751(Top 79%)12751(Top 226%)
35K21.75 mi0.75 mi21395-8012993-2612993-2622715(Top 80%)13257(Top 82%)13257(Top 235%)
23M23.00 mi1.25 mi21575-18013040-4713040-4723593(Top 83%)13630(Top 85%)13630(Top 242%)
24M24.00 mi1.00 mi21741-16613090-5013090-5024314(Top 86%)13972(Top 87%)13972(Top 248%)
40K24.85 mi0.85 mi21761-2013075+1513075+1522493(Top 79%)12980(Top 81%)12980(Top 230%)
25.2M25.20 mi0.35 mi21760+113068+713068+722415(Top 79%)12993(Top 81%)12993(Top 230%)
Finish26.22 mi1.02 mi21774-1413062+613062+622191(Top 78%)12874(Top 80%)12874(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21510

Males

13170

M18-39

13170

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20647

Males

12762

M18-39

12762

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21510

Males

13170

M18-39

13170

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21654

Males

13194

M18-39

13194

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21212

Males

13009

M18-39

13009

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20829

Males

12780

M18-39

12780

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21534

Males

12961

M18-39

12961

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21934

Males

13023

M18-39

13023

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21533

Males

12751

M18-39

12751

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22715

Males

13257

M18-39

13257

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23593

Males

13630

M18-39

13630

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24314

Males

13972

M18-39

13972

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22493

Males

12980

M18-39

12980

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22415

Males

12993

M18-39

12993

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22191

Males

12874

M18-39

12874

Passing Analysis

Category:
Athletes Passed
1207
Passed By
2376
Net Change
-1169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20605
5K10K269287-18#20605#20623
10K15K110358-248#20623#20871
15K20K141334-193#20871#21064
20KHalf2350-27#21064#21091
Half25K158123+35#21091#21056
25K30K161317-156#21056#21212
30K20M77146-69#21212#21281
20M21M71105-34#21281#21315
21M35K24104-80#21315#21395
35K23M52232-180#21395#21575
23M24M13179-166#21575#21741
24M40K4262-20#21741#21761
40K25.2M2423+1#21761#21760
25.2MFinish4256-14#21760#21774
TOTALS12072376-1169
📊

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