Jian Guo Cui

Bib: 18029 M CN

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Top 48%

Gender (Male)

#0 / 16105

Masters (Masters Men)

#0 / 10463

Division (M70-74)

#0 / 228

Top 2%

Race Day Weather

50°/40°F

broken clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 2 · 298 ft

Mile 4 · 178 ft

Mile 8 · 159 ft

Mile 10 · 171 ft

Mile 14 · 142 ft

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

7:32/mi

23:25

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

7:34/mi

46:57

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

7:36/mi

1:10:34

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

7:37/mi

1:34:13

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

8:15/mi

1:39:51

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

7:49/mi

1:58:47

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

8:10/mi

2:24:10

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

8:35/mi

2:35:50

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

10:10/mi

2:46:00

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

8:31/mi

2:52:22

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

8:54/mi

3:03:30

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

8:54/mi

3:12:24

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

8:56/mi

3:20:02

↓ 20 ft0.3% grade

20 ft elev

25.2M

10:00/mi

3:23:29

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

8:22/mi

3:32:01

↑ 22 ft↓ 21 ft

17 ft elev

Course Elevation

890ft

Total climb

462ft

Range

7 to 469 ft

1,342ft

Total descent

About the height of two redwood trees

The Course

Half Splits

1st Half· via Half

1:39:517:37 /mi⚡ faster

2nd Half

1:52:108:33 /mi+12.3%

Positive split — 12.3% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	23:25	7:32	3.11 mi	23:25	7:32	-
10K	46:57	7:33	3.10 mi	23:32	7:34	+0:02
15K	1:10:34	7:34	3.11 mi	23:37	7:36	+0:02
20K	1:34:13	7:35	3.11 mi	23:39	7:37	+0:01
Half(13.11 mi)	1:39:51	7:37	0.68 mi	5:38	8:15	+0:38
25K	1:58:47	7:39	2.42 mi	18:56	7:49	-0:26
30K	2:24:10	7:44	3.11 mi	25:23	8:10	+0:21
20M	2:35:50	7:47	1.36 mi	11:40	8:35	+0:25
21M	2:46:00	7:54	1.00 mi	10:10	10:10	+1:35
35K	2:52:22	7:56	0.75 mi	6:22	8:31	-1:39
23M	3:03:30	7:59	1.25 mi	11:08	8:54	+0:23
24M	3:12:24	8:01	1.00 mi	8:54	8:54	0:00
40K	3:20:02	8:03	0.85 mi	7:38	8:56	+0:02
25.2M	3:23:29	8:04	0.35 mi	3:27	10:00	+1:04
Finish(26.22 mi)	3:32:01	8:06	1.02 mi	8:32	8:22	-1:38

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:32 /mi

Average Pace

8:06 /mi

Slowest Pace

10:10 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:53:09

53% of race

Time at Steady Pace

57:35

27% of race

Time at Slower Pace

41:17

19% of race

Average Pace: 8:05 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M70-74	Seg. Overall	Seg. Males	Seg. M70-74
5K	3.11 mi	12565	9434	9434	12595	9346	9346
10K	3.10 mi	12628-63	9450-16	9450-16	12785	9506	9506
15K	3.11 mi	12597+31	9410+40	9410+40	12595	9346	9346
20K	3.11 mi	12323+274	9245+165	9245+165	11683	8827	8827
Half(13.11 mi)	0.68 mi	12632-309	9364-119	9364-119	17583	11425	11425
25K	2.42 mi	12565+67	9304+60	9304+60	12427	9044	9044
30K	3.11 mi	12531+34	9216+88	9216+88	12591	8948	8948
20M	1.36 mi	12657-126	9235-19	9235-19	14319	9601	9601
21M	1.00 mi	13126-469	9414-179	9414-179	18896	11556	11556
35K	0.75 mi	13213-87	9430-16	9430-16	15495	9926	9926
23M	1.25 mi	13356-143	9448-18	9448-18	15615	9897	9897
24M	1.00 mi	13518-162	9498-50	9498-50	16827	10382	10382
40K	0.85 mi	13633-115	9518-20	9518-20	15874	9850	9850
25.2M	0.35 mi	13695-62	9527-9	9527-9	16979	10344	10344
Finish(26.22 mi)	1.02 mi	13758-63	9531-4	9531-4	15368	9648	9648

9648

Passing Analysis

No position changes recorded for this athlete.

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All Results

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Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing