Brianna Jefferson

Cambridge, MA

Bib: 24630 F 24

0:00
0:00
/ mi
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Overall
#0 / 61036
Top 42%
Gender (Female)
#0 / 28901
Top 31%
Division (W20-24)
#0 / 2433
Top 36%
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
9:11/mi
27:32
↑ 182↓ 221
5K· 3.11 mi
9:49/mi
28:35
→ flat
4M
9:14/mi
36:50
↑ 23↓ 16
5M
9:18/mi
46:08
↑ 13↓ 30
6M
9:21/mi
55:29
↑ 16↓ 36
10K· 6.21 mi
9:17/mi
57:28
→ flat
7M
9:24/mi
1:04:51
↓ 30
8M
9:36/mi
1:14:27
↑ 30
9M
9:38/mi
1:24:05
↑ 61↓ 33
15K· 9.32 mi
9:09/mi
1:27:01
↓ 13
10M
9:09/mi
1:33:14
↓ 36
11M
9:23/mi
1:42:37
↑ 43
12M
9:26/mi
1:52:03
↓ 46
20K· 12.43 mi
9:28/mi
1:56:06
↑ 16
13M
9:27/mi
2:01:31
↓ 26
Half· 13.11 mi
9:27/mi
2:02:33
→ flat
14M
9:07/mi
2:10:40
↑ 23↓ 39
15M
9:35/mi
2:20:15
↑ 62
25K· 15.53 mi
9:57/mi
2:25:34
↑ 68
16M
9:33/mi
2:30:01
↓ 45
17M
9:25/mi
2:39:26
↑ 10↓ 59
18M
9:35/mi
2:49:01
↑ 30↓ 49
30K· 18.64 mi
9:40/mi
2:55:13
→ flat
19M
9:53/mi
2:58:46
→ flat
20M
10:29/mi
3:09:15
↑ 43
21M
10:33/mi
3:19:48
↑ 20↓ 39
35K· 21.75 mi
10:34/mi
3:27:42
↑ 20↓ 23
22M
10:42/mi
3:30:24
→ flat
23M
10:38/mi
3:41:02
↓ 10
24M
11:54/mi
3:52:56
↑ 92
40K· 24.85 mi
10:53/mi
4:02:14
↑ 13↓ 62
25M
11:28/mi
4:03:54
↑ 10
26M
11:07/mi
4:15:01
↑ 39↓ 39
Finish· 26.22 mi
10:31/mi
4:17:19
↓ 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
2:02:339:21 /mi⚡ faster
2nd Half
2:14:4610:17 /mi+10.0%
Positive split — 10.0% slower in the second half
AI Race Performance Report

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
3M
27:329:113.00 mi27:32
9:11
-
5K
28:359:120.11 mi1:03
9:49
+0:38
4M
36:509:130.89 mi8:15
9:14
-0:35
5M
46:089:141.00 mi9:18
9:18
+0:04
6M
55:299:151.00 mi9:21
9:21
+0:03
10K
57:289:150.21 mi1:59
9:17
-0:04
7M
1:04:519:160.79 mi7:23
9:24
+0:07
8M
1:14:279:181.00 mi9:36
9:36
+0:12
9M
1:24:059:211.00 mi9:38
9:38
+0:02
15K
1:27:019:200.32 mi2:56
9:09
-0:29
10M
1:33:149:190.68 mi6:13
9:09
0:00
11M
1:42:379:201.00 mi9:23
9:23
+0:14
12M
1:52:039:201.00 mi9:26
9:26
+0:03
20K
1:56:069:210.43 mi4:03
9:28
+0:02
13M
2:01:319:210.57 mi5:25
9:27
-0:01
Half(13.11 mi)
2:02:339:210.11 mi1:02
9:27
0:00
14M
2:10:409:200.89 mi8:07
9:07
-0:20
15M
2:20:159:211.00 mi9:35
9:35
+0:28
25K
2:25:349:220.53 mi5:19
9:57
+0:22
16M
2:30:019:230.47 mi4:27
9:33
-0:24
17M
2:39:269:231.00 mi9:25
9:25
-0:08
18M
2:49:019:231.00 mi9:35
9:35
+0:10
30K
2:55:139:240.64 mi6:12
9:40
+0:05
19M
2:58:469:250.36 mi3:33
9:53
+0:13
20M
3:09:159:281.00 mi10:29
10:29
+0:36
21M
3:19:489:311.00 mi10:33
10:33
+0:04
35K
3:27:429:330.75 mi7:54
10:34
+0:01
22M
3:30:249:340.25 mi2:42
10:42
+0:08
23M
3:41:029:371.00 mi10:38
10:38
-0:04
24M
3:52:569:421.00 mi11:54
11:54
+1:16
40K
4:02:149:450.85 mi9:18
10:53
-1:01
25M
4:03:549:450.15 mi1:40
11:28
+0:35
26M
4:15:019:481.00 mi11:07
11:07
-0:21
Finish(26.22 mi)
4:17:199:490.22 mi2:18
10:31
-0:36
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
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Public Race Data

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