Alex Lai

Lexington, MA

Bib: 15583 M 47

0:00
0:00
/ mi
Masters
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Overall
#0 / 61036
Top 20%
Gender (Male)
#0 / 31978
Top 28%
Masters (Masters Men)
#0 / 14572
Top 24%
Division (M45-49)
#0 / 3266
Top 28%
Race Day Weather
50°/40°F
clear sky

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 1
Mile 2
Start
0:00
Race begins
3M
8:02/mi
24:07
↑ 182↓ 221
5K· 3.11 mi
7:48/mi
24:57
→ flat
4M
7:56/mi
32:02
↑ 23↓ 16
5M
7:57/mi
39:59
↑ 13↓ 30
6M
7:58/mi
47:57
↑ 16↓ 36
10K· 6.21 mi
8:07/mi
49:41
→ flat
7M
7:52/mi
55:52
↓ 30
8M
8:02/mi
1:03:54
↑ 30
9M
8:02/mi
1:11:56
↑ 61↓ 33
15K· 9.32 mi
7:54/mi
1:14:28
↓ 13
10M
8:00/mi
1:19:54
↓ 36
11M
8:01/mi
1:27:55
↑ 43
12M
8:02/mi
1:35:57
↓ 46
20K· 12.43 mi
7:57/mi
1:39:21
↑ 16
13M
9:31/mi
1:44:48
↓ 26
Half· 13.11 mi
1:04/mi
1:44:55
→ flat
14M
7:51/mi
1:51:54
↑ 23↓ 39
15M
8:16/mi
2:00:10
↑ 62
25K· 15.53 mi
8:25/mi
2:04:40
↑ 68
16M
7:50/mi
2:08:19
↓ 45
17M
8:22/mi
2:16:41
↑ 10↓ 59
18M
8:05/mi
2:24:46
↑ 30↓ 49
30K· 18.64 mi
8:05/mi
2:29:57
→ flat
19M
8:02/mi
2:32:50
→ flat
20M
8:45/mi
2:41:35
↑ 43
21M
8:51/mi
2:50:26
↑ 20↓ 39
35K· 21.75 mi
9:11/mi
2:57:18
↑ 20↓ 23
22M
9:23/mi
2:59:40
→ flat
23M
10:01/mi
3:09:41
↓ 10
24M
11:04/mi
3:20:45
↑ 92
40K· 24.85 mi
11:23/mi
3:30:29
↑ 13↓ 62
25M
11:14/mi
3:32:07
↑ 10
26M
10:43/mi
3:42:50
↑ 39↓ 39
Finish· 26.22 mi
10:17/mi
3:45:05
↓ 10
Course Elevation
926ft
Total climb
232ft
Range
30 to 262 ft
943ft
Total descent
About the height of two Statues of Liberty

The Course

Half Splits

1st Half· via Half
1:44:558:00 /mi⚡ faster
2nd Half
2:00:109:10 /mi+14.5%
Positive split — 14.5% slower in the second half
AI Race Performance Report

Alex's race, broken down like a coach

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
3M
24:078:023.00 mi24:07
8:02
-
5K
24:578:020.11 mi0:50
7:48
-0:14
4M
32:028:010.89 mi7:05
7:56
+0:08
5M
39:598:001.00 mi7:57
7:57
+0:01
6M
47:578:001.00 mi7:58
7:58
+0:01
10K
49:418:000.21 mi1:44
8:07
+0:09
7M
55:527:590.79 mi6:11
7:52
-0:15
8M
1:03:547:591.00 mi8:02
8:02
+0:10
9M
1:11:568:001.00 mi8:02
8:02
0:00
15K
1:14:287:590.32 mi2:32
7:54
-0:08
10M
1:19:547:590.68 mi5:26
8:00
+0:06
11M
1:27:558:001.00 mi8:01
8:01
+0:01
12M
1:35:578:001.00 mi8:02
8:02
+0:01
20K
1:39:218:000.43 mi3:24
7:57
-0:05
13M
1:44:488:040.57 mi5:27
9:31
+1:34
Half(13.11 mi)
1:44:558:000.11 mi0:07
1:04
-8:27
14M
1:51:548:000.89 mi6:59
7:51
+6:47
15M
2:00:108:011.00 mi8:16
8:16
+0:25
25K
2:04:408:020.53 mi4:30
8:25
+0:09
16M
2:08:198:010.47 mi3:39
7:50
-0:35
17M
2:16:418:021.00 mi8:22
8:22
+0:32
18M
2:24:468:031.00 mi8:05
8:05
-0:17
30K
2:29:578:030.64 mi5:11
8:05
0:00
19M
2:32:508:030.36 mi2:53
8:02
-0:03
20M
2:41:358:051.00 mi8:45
8:45
+0:43
21M
2:50:268:071.00 mi8:51
8:51
+0:06
35K
2:57:188:090.75 mi6:52
9:11
+0:20
22M
2:59:408:100.25 mi2:22
9:23
+0:12
23M
3:09:418:151.00 mi10:01
10:01
+0:38
24M
3:20:458:221.00 mi11:04
11:04
+1:03
40K
3:30:298:280.85 mi9:44
11:23
+0:19
25M
3:32:078:290.15 mi1:38
11:14
-0:09
26M
3:42:508:341.00 mi10:43
10:43
-0:31
Finish(26.22 mi)
3:45:058:350.22 mi2:15
10:17
-0:26
Trend:
Faster pace
Steady pace
Slower pace
More below

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Public Race Data

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