Hiroki Iwakoshi

Mitaka, Tokyo

Bib: 57314 M 44

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 61036

Gender (Male)

#0 / 31978

Masters (Masters Men)

#0 / 14572

Division (M40-44)

#0 / 3949

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

8:49/mi

26:26

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

8:25/mi

27:20

→ flat

76 ft elev

8:22/mi

34:48

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

8:19/mi

43:07

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

8:22/mi

51:29

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

8:21/mi

53:16

→ flat0.6% grade

58 ft elev

8:15/mi

59:45

↓ 30 ft0.6% grade

33 ft elev

8:40/mi

1:08:25

↑ 30 ft0.4% grade

54 ft elev

9:31/mi

1:17:56

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

8:44/mi

1:20:44

↓ 13 ft0.8% grade

66 ft elev

10M

9:33/mi

1:27:13

↓ 36 ft0.9% grade

33 ft elev

11M

10:07/mi

1:37:20

↑ 43 ft0.7% grade

72 ft elev

12M

11:25/mi

1:48:45

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

10:13/mi

1:53:07

↑ 16 ft0.7% grade

54 ft elev

13M

11:57/mi

1:59:57

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

11:57/mi

2:01:16

→ flat0.5% grade

49 ft elev

14M

11:00/mi

2:11:04

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

10:55/mi

2:21:59

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

13:10/mi

2:29:01

↑ 68 ft2.4% grade

169 ft elev

16M

12:48/mi

2:34:59

↓ 45 ft1.7% grade

125 ft elev

17M

11:22/mi

2:46:21

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

11:16/mi

2:57:37

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

11:07/mi

3:04:45

→ flat

41 ft elev

19M

11:33/mi

3:08:54

→ flat0.2% grade

39 ft elev

20M

13:17/mi

3:22:11

↑ 43 ft0.7% grade

72 ft elev

21M

13:35/mi

3:35:46

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

11:43/mi

3:44:32

↑ 20 ft↓ 23 ft

52 ft elev

22M

12:21/mi

3:47:39

→ flat0.2% grade

51 ft elev

23M

11:30/mi

3:59:09

↓ 10 ft0.1% grade

46 ft elev

24M

11:24/mi

4:10:33

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

10:27/mi

4:19:29

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

9:58/mi

4:20:56

↑ 10 ft1.3% grade

111 ft elev

26M

9:43/mi

4:30:39

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

10:26/mi

4:32:56

↓ 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

2:01:169:15 /mi⚡ faster

2nd Half

2:31:4011:34 /mi+25.1%

Positive split — 25.1% slower in the second half

AI Race Performance Report

Hiroki'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	26:26	8:49	3.00 mi	26:26	8:49	-
5K	27:20	8:48	0.11 mi	0:54	8:25	-0:24
4M	34:48	8:42	0.89 mi	7:28	8:22	-0:03
5M	43:07	8:37	1.00 mi	8:19	8:19	-0:03
6M	51:29	8:35	1.00 mi	8:22	8:22	+0:03
10K	53:16	8:34	0.21 mi	1:47	8:21	-0:01
7M	59:45	8:32	0.79 mi	6:29	8:15	-0:06
8M	1:08:25	8:33	1.00 mi	8:40	8:40	+0:25
9M	1:17:56	8:40	1.00 mi	9:31	9:31	+0:51
15K	1:20:44	8:40	0.32 mi	2:48	8:44	-0:47
10M	1:27:13	8:43	0.68 mi	6:29	9:33	+0:49
11M	1:37:20	8:51	1.00 mi	10:07	10:07	+0:34
12M	1:48:45	9:04	1.00 mi	11:25	11:25	+1:18
20K	1:53:07	9:06	0.43 mi	4:22	10:13	-1:12
13M	1:59:57	9:14	0.57 mi	6:50	11:57	+1:44
Half(13.11 mi)	2:01:16	9:15	0.11 mi	1:19	11:57	0:00
14M	2:11:04	9:22	0.89 mi	9:48	11:00	-0:57
15M	2:21:59	9:28	1.00 mi	10:55	10:55	-0:05
25K	2:29:01	9:36	0.53 mi	7:02	13:10	+2:15
16M	2:34:59	9:41	0.47 mi	5:58	12:48	-0:22
17M	2:46:21	9:47	1.00 mi	11:22	11:22	-1:26
18M	2:57:37	9:52	1.00 mi	11:16	11:16	-0:06
30K	3:04:45	9:55	0.64 mi	7:08	11:07	-0:09
19M	3:08:54	9:57	0.36 mi	4:09	11:33	+0:26
20M	3:22:11	10:07	1.00 mi	13:17	13:17	+1:44
21M	3:35:46	10:16	1.00 mi	13:35	13:35	+0:18
35K	3:44:32	10:19	0.75 mi	8:46	11:43	-1:52
22M	3:47:39	10:21	0.25 mi	3:07	12:21	+0:38
23M	3:59:09	10:24	1.00 mi	11:30	11:30	-0:51
24M	4:10:33	10:26	1.00 mi	11:24	11:24	-0:06
40K	4:19:29	10:26	0.85 mi	8:56	10:27	-0:57
25M	4:20:56	10:26	0.15 mi	1:27	9:58	-0:29
26M	4:30:39	10:25	1.00 mi	9:43	9:43	-0:15
Finish(26.22 mi)	4:32:56	10:25	0.22 mi	2:17	10:26	+0:43

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:15 /mi

Average Pace

10:25 /mi

Slowest Pace

13:35 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:48:30

40% of race

Time at Steady Pace

1:44:32

38% of race

Time at Slower Pace

59:54

22% of race

Average Pace: 10:25 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
3M	3.00 mi	19449	13925	1877	44640	25790	3258
5K	0.11 mi	19233+216	13791+134	1856+21	16953	12221	1669
4M	0.89 mi	18273+960	13214+577	1789+67	15302	11402	1599
5M	1.00 mi	17697+576	12863+351	1763+26	15649	11611	1593
6M	1.00 mi	17211+486	12578+285	1724+39	15366	11465	1585
10K	0.21 mi	17046+165	12479+99	1719+5	14339	10836	1485
7M	0.79 mi	16829+217	12350+129	1708+11	15572	11668	1615
8M	1.00 mi	16878-49	12395-45	1711-3	17639	12915	1755
9M	1.00 mi	18095-1217	13148-753	1793-82	28993	19343	2500
15K	0.32 mi	18144-49	13181-33	1797-4	20628	14602	1931
10M	0.68 mi	18943-799	13663-482	1846-49	29685	19464	2508
11M	1.00 mi	20390-1447	14514-851	1929-83	34194	21648	2795
12M	1.00 mi	23573-3183	16340-1826	2122-193	45394	26443	3352
20K	0.43 mi	24224-651	16716-376	2174-52	35196	22004	2836
13M	0.57 mi	25790-1566	17557-841	2288-114	44640	25790	3258
Half(13.11 mi)	0.11 mi	26055-265	17695-138	2303-15	45126	26005	3283
14M	0.89 mi	27230-1175	18319-624	2372-69	40527	24032	3063
15M	1.00 mi	27723-493	18524-205	2390-18	34285	21122	2704
25K	0.53 mi	28659-936	18975-451	2446-56	46339	26116	3283
16M	0.47 mi	29661-1002	19457-482	2507-61	52629	28509	3581
17M	1.00 mi	30376-715	19784-327	2551-44	40617	23800	3044
18M	1.00 mi	30828-452	19957-173	2578-27	38628	22572	2892
30K	0.64 mi	30850-22	19893+64	2571+7	34240	20200	2637
19M	0.36 mi	31006-156	19932-39	2585-14	40471	22878	2937
20M	1.00 mi	31895-889	20234-302	2615-30	44404	24620	3108
21M	1.00 mi	32937-1042	20648-414	2670-55	46882	25580	3241
35K	0.75 mi	33019-82	20609+39	2647+23	36101	20508	2654
22M	0.25 mi	33117-98	20642-33	2650-3	40935	22694	2907
23M	1.00 mi	33121-4	20562+80	2644+6	34215	19365	2514
24M	1.00 mi	32938+183	20385+177	2622+22	30087	17355	2227
40K	0.85 mi	32627+311	20162+223	2590+32	25750	15155	1955
25M	0.15 mi	32571+56	20132+30	2586+4	23809	14514	1915
26M	1.00 mi	32130+441	19866+266	2562+24	21328	12997	1680
Finish(26.22 mi)	0.22 mi	32169-39	19868-2	2561+1	37267	20795	2601

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 73%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

44640

Males

25790

No position changes recorded for this athlete.

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