Tsun Tsai

Campbell, CA

Bib: 39083 M 49

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 61036

Gender (Male)

#0 / 31978

Masters (Masters Men)

#0 / 14572

Division (M45-49)

#0 / 3266

Race Day Weather

50°/40°F

clear sky

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 1 · 259 ft

Mile 2 · 64 ft

Start

0:00

Race begins

118 ft elev

10:28/mi

31:24

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

9:40/mi

32:26

→ flat

76 ft elev

9:42/mi

41:06

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

9:51/mi

50:57

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

10:03/mi

1:01:00

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

9:59/mi

1:03:08

→ flat0.6% grade

58 ft elev

9:38/mi

1:10:42

↓ 30 ft0.6% grade

33 ft elev

10:38/mi

1:21:20

↑ 30 ft0.4% grade

54 ft elev

10:27/mi

1:31:47

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

12:07/mi

1:35:40

↓ 13 ft0.8% grade

66 ft elev

10M

10:42/mi

1:42:56

↓ 36 ft0.9% grade

33 ft elev

11M

10:43/mi

1:53:39

↑ 43 ft0.7% grade

72 ft elev

12M

10:54/mi

2:04:33

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

11:21/mi

2:09:24

↑ 16 ft0.7% grade

54 ft elev

13M

12:01/mi

2:16:17

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

12:01/mi

2:17:36

→ flat0.5% grade

49 ft elev

14M

11:40/mi

2:27:59

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

11:48/mi

2:39:47

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

13:04/mi

2:46:46

↑ 68 ft2.4% grade

169 ft elev

16M

11:22/mi

2:52:04

↓ 45 ft1.7% grade

125 ft elev

17M

12:05/mi

3:04:09

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

12:45/mi

3:16:54

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

12:25/mi

3:24:52

→ flat

41 ft elev

19M

11:56/mi

3:29:09

→ flat0.2% grade

39 ft elev

20M

12:48/mi

3:41:57

↑ 43 ft0.7% grade

72 ft elev

21M

14:39/mi

3:56:36

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

13:21/mi

4:06:35

↑ 20 ft↓ 23 ft

52 ft elev

22M

12:29/mi

4:09:44

→ flat0.2% grade

51 ft elev

23M

11:49/mi

4:21:33

↓ 10 ft0.1% grade

46 ft elev

24M

13:55/mi

4:35:28

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

12:29/mi

4:46:08

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

11:48/mi

4:47:51

↑ 10 ft1.3% grade

111 ft elev

26M

13:01/mi

5:00:52

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

11:53/mi

5:03:28

↓ 10 ft0.9% grade

102 ft elev

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

2:17:3610:30 /mi⚡ faster

2nd Half

2:45:5212:39 /mi+20.5%

Positive split — 20.5% slower in the second half

AI Race Performance Report

Tsun's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
3M	31:24	10:28	3.00 mi	31:24	10:28	-
5K	32:26	10:26	0.11 mi	1:02	9:40	-0:48
4M	41:06	10:17	0.89 mi	8:40	9:42	+0:02
5M	50:57	10:11	1.00 mi	9:51	9:51	+0:09
6M	1:01:00	10:10	1.00 mi	10:03	10:03	+0:12
10K	1:03:08	10:10	0.21 mi	2:08	9:59	-0:04
7M	1:10:42	10:06	0.79 mi	7:34	9:38	-0:21
8M	1:21:20	10:10	1.00 mi	10:38	10:38	+1:00
9M	1:31:47	10:12	1.00 mi	10:27	10:27	-0:11
15K	1:35:40	10:16	0.32 mi	3:53	12:07	+1:40
10M	1:42:56	10:18	0.68 mi	7:16	10:42	-1:25
11M	1:53:39	10:20	1.00 mi	10:43	10:43	+0:01
12M	2:04:33	10:23	1.00 mi	10:54	10:54	+0:11
20K	2:09:24	10:25	0.43 mi	4:51	11:21	+0:27
13M	2:16:17	10:29	0.57 mi	6:53	12:01	+0:40
Half(13.11 mi)	2:17:36	10:30	0.11 mi	1:19	12:01	0:00
14M	2:27:59	10:34	0.89 mi	10:23	11:40	-0:21
15M	2:39:47	10:39	1.00 mi	11:48	11:48	+0:08
25K	2:46:46	10:44	0.53 mi	6:59	13:04	+1:16
16M	2:52:04	10:45	0.47 mi	5:18	11:22	-1:42
17M	3:04:09	10:50	1.00 mi	12:05	12:05	+0:43
18M	3:16:54	10:56	1.00 mi	12:45	12:45	+0:40
30K	3:24:52	10:59	0.64 mi	7:58	12:25	-0:20
19M	3:29:09	11:00	0.36 mi	4:17	11:56	-0:29
20M	3:41:57	11:06	1.00 mi	12:48	12:48	+0:52
21M	3:56:36	11:16	1.00 mi	14:39	14:39	+1:51
35K	4:06:35	11:20	0.75 mi	9:59	13:21	-1:18
22M	4:09:44	11:21	0.25 mi	3:09	12:29	-0:52
23M	4:21:33	11:22	1.00 mi	11:49	11:49	-0:40
24M	4:35:28	11:29	1.00 mi	13:55	13:55	+2:06
40K	4:46:08	11:31	0.85 mi	10:40	12:29	-1:26
25M	4:47:51	11:31	0.15 mi	1:43	11:48	-0:41
26M	5:00:52	11:34	1.00 mi	13:01	13:01	+1:13
Finish(26.22 mi)	5:03:28	11:35	0.22 mi	2:36	11:53	-1:08

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

9:38 /mi

Average Pace

11:35 /mi

Slowest Pace

14:39 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:00:40

40% of race

Time at Steady Pace

1:24:53

28% of race

Time at Slower Pace

1:37:55

32% of race

Average Pace: 11:34 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
3M	3.00 mi	41047	24888	2543	45108	25990	2637
5K	0.11 mi	40572+475	24651+237	2521+22	33628	21199	2138
4M	0.89 mi	39081+1491	23991+660	2454+67	34118	21780	2205
5M	1.00 mi	38527+554	23760+231	2427+27	36600	22909	2318
6M	1.00 mi	38291+236	23647+113	2413+14	37643	23287	2348
10K	0.21 mi	38188+103	23598+49	2408+5	36365	22758	2288
7M	0.79 mi	37865+323	23474+124	2389+19	35258	22383	2246
8M	1.00 mi	38286-421	23667-193	2402-13	41473	25018	2540
9M	1.00 mi	38407-121	23726-59	2409-7	39526	24260	2460
15K	0.32 mi	39080-673	24016-290	2443-34	52385	29024	2978
10M	0.68 mi	39216-136	24057-41	2448-5	41165	24683	2497
11M	1.00 mi	39297-81	24099-42	2455-7	40593	24453	2477
12M	1.00 mi	39501-204	24189-90	2461-6	41690	24927	2533
20K	0.43 mi	39728-227	24281-92	2473-12	45632	26418	2669
13M	0.57 mi	40048-320	24406-125	2486-13	45108	25990	2637
Half(13.11 mi)	0.11 mi	40138-90	24431-25	2487-1	45583	26204	2659
14M	0.89 mi	40506-368	24558-127	2499-12	45225	25974	2626
15M	1.00 mi	40506	24493+65	2499	41172	24086	2440
25K	0.53 mi	40818-312	24584-91	2509-10	45958	25954	2643
16M	0.47 mi	40900-82	24601-17	2507+2	45169	25623	2618
17M	1.00 mi	41220-320	24690-89	2510-3	45520	25848	2630
18M	1.00 mi	41742-522	24848-158	2524-14	47809	26543	2714
30K	0.64 mi	41713+29	24765+83	2519+5	42713	23971	2460
19M	0.36 mi	41726-13	24748+17	2523-4	42916	23970	2455
20M	1.00 mi	41727-1	24648+100	2517+6	41777	23413	2387
21M	1.00 mi	42528-801	24932-284	2544-27	51520	27669	2824
35K	0.75 mi	42787-259	24984-52	2548-4	47030	25572	2611
22M	0.25 mi	42795-8	24977+7	2544+4	41975	23189	2339
23M	1.00 mi	42550+245	24813+164	2536+8	36826	20593	2071
24M	1.00 mi	42940-390	24908-95	2536	47839	25906	2635
40K	0.85 mi	43045-105	24922-14	2539-3	42976	23465	2367
25M	0.15 mi	43033+12	24911+11	2539	41415	22925	2322
26M	1.00 mi	43377-344	25009-98	2540-1	49056	26349	2659
Finish(26.22 mi)	0.22 mi	43416-39	25020-11	2541-1	49185	26443	2636

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 74%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

45108

Males

25990

No position changes recorded for this athlete.

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Race managed by

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