Kimberly Chalfin

Bib: 13940 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 26622

Top 49%

Gender (Female)

#0 / 11423

Top 33%

Masters (Masters Women)

#0 / 6539

Top 19%

Division (F50-54)

#0 / 1207

Top 12%

Race Day Weather

49°/39°F

light intensity drizzle

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

7:59/mi

24:48

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

7:58/mi

49:33

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

7:59/mi

1:14:21

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

8:01/mi

1:39:15

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

7:52/mi

1:44:37

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

8:03/mi

2:04:08

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

8:15/mi

2:29:45

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

8:20/mi

2:41:04

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

8:53/mi

2:49:57

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

8:09/mi

2:56:03

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

8:22/mi

3:06:32

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

7:59/mi

3:14:31

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

8:21/mi

3:21:39

↓ 20 ft0.3% grade

20 ft elev

25.2M

9:08/mi

3:24:48

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

8:11/mi

3:33:08

↑ 22 ft↓ 21 ft

17 ft elev

Course Elevation

7–469 ft

≈

×2stacked redwood trees

•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half

1:44:377:59 /mi⚡ faster

2nd Half

1:48:318:17 /mi+3.7%

Positive split — 3.7% slower in the second half

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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	24:48	7:59	3.11 mi	24:48	7:59	-
10K	49:33	7:58	3.10 mi	24:45	7:58	-0:01
15K	1:14:21	7:59	3.11 mi	24:48	7:59	+0:01
20K	1:39:15	7:59	3.11 mi	24:54	8:01	+0:02
Half(13.11 mi)	1:44:37	7:59	0.68 mi	5:22	7:52	-0:09
25K	2:04:08	7:59	2.42 mi	19:31	8:03	+0:11
30K	2:29:45	8:02	3.11 mi	25:37	8:15	+0:12
20M	2:41:04	8:03	1.36 mi	11:19	8:20	+0:05
21M	2:49:57	8:06	1.00 mi	8:53	8:53	+0:33
35K	2:56:03	8:06	0.75 mi	6:06	8:09	-0:44
23M	3:06:32	8:07	1.25 mi	10:29	8:22	+0:13
24M	3:14:31	8:06	1.00 mi	7:59	7:59	-0:23
40K	3:21:39	8:07	0.85 mi	7:08	8:21	+0:22
25.2M	3:24:48	8:08	0.35 mi	3:09	9:08	+0:47
Finish(26.22 mi)	3:33:08	8:08	1.02 mi	8:20	8:11	-0:57

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:52 /mi

Average Pace

8:08 /mi

Slowest Pace

9:08 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:21:06

94% of race

Time at Steady Pace

12:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:08 /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	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	13901	3965	3965	14242	4222	4222
10K	3.10 mi	14202-301	4165-200	4165-200	14547	4383	4383
15K	3.11 mi	14195+7	4173-8	4173-8	14242	4222	4222
20K	3.11 mi	13996+199	4086+87	4086+87	13566	3852	3852
Half(13.11 mi)	0.68 mi	13947+49	4054+32	4054+32	13377	3726	3726
25K	2.42 mi	13793+154	3983+71	3983+71	13159	3720	3720
30K	3.11 mi	13547+246	3869+114	3869+114	12658	3562	3562
20M	1.36 mi	13457+90	3833+36	3833+36	12561	3618	3618
21M	1.00 mi	13393+64	3813+20	3813+20	12780	3831	3831
35K	0.75 mi	13367+26	3811+2	3811+2	13171	4092	4092
23M	1.25 mi	13280+87	3785+26	3785+26	12419	3749	3749
24M	1.00 mi	13160+120	3746+39	3746+39	11155	3179	3179
40K	0.85 mi	13098+62	3731+15	3731+15	12369	3869	3869
25.2M	0.35 mi	13091+7	3737-6	3737-6	13308	4379	4379
Finish(26.22 mi)	1.02 mi	13093-2	3754-17	3754-17	13305	4364	4364

4364

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#13901
5K → 10K	464163-301	#13901 → #14202
10K → 15K	180187+7	#14202 → #14195
15K → 20K	80279+199	#14195 → #13996
20K → Half	1564+49	#13996 → #13947
Half → 25K	54208+154	#13947 → #13793
25K → 30K	67313+246	#13793 → #13547
30K → 20M	45135+90	#13547 → #13457
20M → 21M	54118+64	#13457 → #13393
21M → 35K	4066+26	#13393 → #13367
35K → 23M	49136+87	#13367 → #13280
23M → 24M	24144+120	#13280 → #13160
24M → 40K	2385+62	#13160 → #13098
40K → 25.2M	3037+7	#13098 → #13091
25.2M → Finish	5957-2	#13091 → #13093
TOTALS	11841992+808	#13901 → #13093

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed about 1 month ago

Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing