Rebecca Armstrong

London, London

Bib: 16883 F 40

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 61036

Top 21%

Gender (Female)

#0 / 28901

Top 12%

Masters (Masters Women)

#0 / 10324

Top 10%

Division (W40-44)

#0 / 2960

Top 13%

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

8:18/mi

24:55

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

8:25/mi

25:49

→ flat

76 ft elev

8:08/mi

33:05

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

7:58/mi

41:03

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

8:02/mi

49:05

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

8:21/mi

50:52

→ flat0.6% grade

58 ft elev

8:05/mi

57:13

↓ 30 ft0.6% grade

33 ft elev

8:04/mi

1:05:17

↑ 30 ft0.4% grade

54 ft elev

8:20/mi

1:13:37

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

8:31/mi

1:16:21

↓ 13 ft0.8% grade

66 ft elev

10M

8:13/mi

1:21:56

↓ 36 ft0.9% grade

33 ft elev

11M

8:19/mi

1:30:15

↑ 43 ft0.7% grade

72 ft elev

12M

8:22/mi

1:38:37

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

8:28/mi

1:42:14

↑ 16 ft0.7% grade

54 ft elev

13M

8:33/mi

1:47:08

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

8:33/mi

1:48:04

→ flat0.5% grade

49 ft elev

14M

8:25/mi

1:55:34

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

8:48/mi

2:04:22

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

9:14/mi

2:09:18

↑ 68 ft2.4% grade

169 ft elev

16M

8:39/mi

2:13:20

↓ 45 ft1.7% grade

125 ft elev

17M

8:39/mi

2:21:59

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

8:48/mi

2:30:47

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

9:04/mi

2:36:36

→ flat

41 ft elev

19M

9:25/mi

2:39:59

→ flat0.2% grade

39 ft elev

20M

9:04/mi

2:49:03

↑ 43 ft0.7% grade

72 ft elev

21M

9:11/mi

2:58:14

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

9:16/mi

3:05:10

↑ 20 ft↓ 23 ft

52 ft elev

22M

9:31/mi

3:07:34

→ flat0.2% grade

51 ft elev

23M

9:22/mi

3:16:56

↓ 10 ft0.1% grade

46 ft elev

24M

9:49/mi

3:26:45

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

9:25/mi

3:34:48

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

9:17/mi

3:36:09

↑ 10 ft1.3% grade

111 ft elev

26M

9:09/mi

3:45:18

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

8:32/mi

3:47:10

↓ 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

1:48:048:15 /mi⚡ faster

2nd Half

1:59:069:05 /mi+10.2%

Positive split — 10.2% slower in the second half

AI Race Performance Report

Rebecca'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.

Free account · no payment

Checkpoint Splits

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

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

7:58 /mi

Average Pace

8:40 /mi

Slowest Pace

9:49 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:08:11

30% of race

Time at Steady Pace

1:01:56

27% of race

Time at Slower Pace

1:37:03

43% of race

Average Pace: 8:40 /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	Females	W40-44	Seg. Overall	Seg. Females	Seg. W40-44
3M	3.00 mi	13145	3110	357	11447	2684	315
5K	0.11 mi	13167-22	3121-11	356+1	15589	4118	462
4M	0.89 mi	13010+157	3050+71	356	12622	2896	360
5M	1.00 mi	12658+352	2930+120	352+4	11642	2610	319
6M	1.00 mi	12466+192	2866+64	347+5	11694	2571	318
10K	0.21 mi	12506-40	2880-14	350-3	13793	3304	386
7M	0.79 mi	12591-85	2898-18	352-2	13533	3143	372
8M	1.00 mi	12343+248	2807+91	342+10	10995	2341	284
9M	1.00 mi	12381-38	2804+3	339+3	12930	2950	361
15K	0.32 mi	12512-131	2850-46	347-8	17303	4588	513
10M	0.68 mi	12537-25	2850	346+1	13157	3102	370
11M	1.00 mi	12464+73	2823+27	337+9	11993	2680	332
12M	1.00 mi	12514-50	2839-16	345-8	13430	3198	376
20K	0.43 mi	12535-21	2839	348-3	13591	3260	382
13M	0.57 mi	12377+158	2807+32	343+5	11447	2684	315
Half(13.11 mi)	0.11 mi	12475-98	2831-24	345-2	13375	3494	387
14M	0.89 mi	12500-25	2850-19	347-2	13143	3227	382
15M	1.00 mi	12440+60	2847+3	351-4	12963	3198	365
25K	0.53 mi	12462-22	2863-16	351	15062	4091	442
16M	0.47 mi	12539-77	2906-43	353-2	16494	4612	510
17M	1.00 mi	12583-44	2935-29	356-3	14059	3680	412
18M	1.00 mi	12689-106	2992-57	357-1	15562	4385	478
30K	0.64 mi	12769-80	3036-44	362-5	16833	5095	516
19M	0.36 mi	12869-100	3081-45	367-5	21852	7414	750
20M	1.00 mi	12801+68	3100-19	368-1	13687	3964	422
21M	1.00 mi	12742+59	3125-25	370-2	13924	4153	449
35K	0.75 mi	12760-18	3157-32	371-1	15421	4971	521
22M	0.25 mi	12796-36	3175-18	372-1	15907	5099	538
23M	1.00 mi	12838-42	3233-58	379-7	15564	5138	537
24M	1.00 mi	12899-61	3295-62	381-2	16227	5588	572
40K	0.85 mi	12902-3	3343-48	384-3	15959	5673	579
25M	0.15 mi	12905-3	3346-3	385-1	15899	5465	560
26M	1.00 mi	12891+14	3393-47	393-8	15453	5475	551
Finish(26.22 mi)	0.22 mi	12890+1	3404-11	393	14734	5048	458

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 19%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

11447

Females

2684

No position changes recorded for this athlete.

More below

See the rest of Rebecca's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

New York Road Runners