Guibai Xia

Bib: 22458•F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 25550

Gender (Female)

#0 / 10924

Masters (Masters Women)

#0 / 6263

Division (F55-59)

#0 / 876

Race Day Weather

55°/45°F

scattered clouds

⏱️ Race Timeline

Course Elevation

7–469 ft

≈

×2stacked redwood trees

•▲ 890 ft climb · ▼ 1342 ft descent

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

5K· 3.11 mi

9:04/mi

28:09

↑ 97 ft↓ 345 ft1.5% grade

10K· 6.21 mi

8:59/mi

56:05

↑ 79 ft↓ 138 ft0.4% grade

15K· 9.32 mi

9:05/mi

1:24:17

↑ 67 ft↓ 78 ft

20K· 12.43 mi

9:17/mi

1:53:09

↑ 106 ft↓ 86 ft0.1% grade

Half· 13.11 mi

8:46/mi

1:59:08

↑ 19 ft↓ 37 ft0.5% grade

25K· 15.53 mi

9:56/mi

2:23:12

↑ 66 ft↓ 88 ft0.2% grade

30K· 18.64 mi

11:30/mi

2:58:57

↑ 181 ft↓ 148 ft0.2% grade

20M

11:41/mi

3:14:50

↑ 64 ft↓ 50 ft0.2% grade

21M

13:42/mi

3:28:32

↑ 106 ft↓ 24 ft1.6% grade

35K· 21.75 mi

12:17/mi

3:37:43

↑ 17 ft↓ 86 ft1.7% grade

23M

12:23/mi

3:53:13

↑ 23 ft↓ 63 ft0.6% grade

24M

12:41/mi

4:05:54

↓ 82 ft1.3% grade

40K· 24.85 mi

16:29/mi

4:20:00

↓ 20 ft0.3% grade

25.2M

18:07/mi

4:26:15

↑ 13 ft↓ 16 ft0.2% grade

Finish· 26.22 mi

13:02/mi

4:39:32

↑ 22 ft↓ 21 ft

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:59:08

Pace9:05 /mi

2nd Half

Distance13.11 mi

Time2:40:24

Pace12:14 /mi

📊Positive Split: 34.6% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:27:09	28:09	9:04	28:09	9:04	-
10K	6.21 mi	11:55:05	56:05	9:02	27:56	8:59	-0:05
15K	9.32 mi	12:23:17	1:24:17	9:03	28:12	9:05	+0:06
20K	12.43 mi	12:52:09	1:53:09	9:06	28:52	9:17	+0:12
Half	13.11 mi	12:58:08	1:59:08	9:05	5:59	8:46	-0:31
25K	15.53 mi	13:22:12	2:23:12	9:13	24:04	9:56	+1:10
30K	18.64 mi	13:57:57	2:58:57	9:36	35:45	11:30	+1:34
20M	20.00 mi	14:13:50	3:14:50	9:44	15:53	11:41	+0:11
21M	21.00 mi	14:27:32	3:28:32	9:56	13:42	13:42	+2:01
35K	21.75 mi	14:36:43	3:37:43	10:01	9:11	12:17	-1:25
23M	23.00 mi	14:52:13	3:53:13	10:08	15:30	12:23	+0:06
24M	24.00 mi	15:04:54	4:05:54	10:15	12:41	12:41	+0:18
40K	24.85 mi	15:19:00	4:20:00	10:28	14:06	16:29	+3:48
25.2M	25.20 mi	15:25:15	4:26:15	10:34	6:15	18:07	+1:38
Finish	26.22 mi	15:38:32	4:39:32	10:40	13:17	13:02	-5:05

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:46 /mi

Average Pace

10:40 /mi

Slowest Pace

18:07 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:12

51% of race

Time at Steady Pace

1:42:17

37% of race

Time at Slower Pace

34:03

12% of race

Average Pace: 10:40 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:27:09	28:09	9:04	28:09	9:04	#20320
10K	6.21 mi	11:55:05	56:05	9:02	27:56	8:59	#20011
15K	9.32 mi	12:23:17	1:24:17	9:03	28:12	9:05	#19742
20K	12.43 mi	12:52:09	1:53:09	9:06	28:52	9:17	#19396
Half	13.11 mi	12:58:08	1:59:08	9:05	5:59	8:46	#19296
25K	15.53 mi	13:22:12	2:23:12	9:13	24:04	9:56	#19234
30K	18.64 mi	13:57:57	2:58:57	9:36	35:45	11:30	#19672
20M	20.00 mi	14:13:50	3:14:50	9:44	15:53	11:41	#19760
21M	21.00 mi	14:27:32	3:28:32	9:56	13:42	13:42	#19909
35K	21.75 mi	14:36:43	3:37:43	10:01	9:11	12:17	#20026
23M	23.00 mi	14:52:13	3:53:13	10:08	15:30	12:23	#20141
24M	24.00 mi	15:04:54	4:05:54	10:15	12:41	12:41	#20272
40K	24.85 mi	15:19:00	4:20:00	10:28	14:06	16:29	#20662
25.2M	25.20 mi	15:25:15	4:26:15	10:34	6:15	18:07	#20812
Finish	26.22 mi	15:38:32	4:39:32	10:40	13:17	13:02	#20991

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	3.11 mi	20320	8054	8054	19239(Top 75%)	7379(Top 68%)	7379(Top 842%)
10K	6.21 mi	3.10 mi	20011+309	7874+180	7874+180	19732(Top 77%)	7693(Top 70%)	7693(Top 878%)
15K	9.32 mi	3.11 mi	19742+269	7709+165	7709+165	19239(Top 75%)	7379(Top 68%)	7379(Top 842%)
20K	12.43 mi	3.11 mi	19396+346	7513+196	7513+196	18533(Top 73%)	7010(Top 64%)	7010(Top 800%)
Half	13.11 mi	0.68 mi	19296+100	7465+48	7465+48	17260(Top 68%)	6383(Top 58%)	6383(Top 729%)
25K	15.53 mi	2.42 mi	19234+62	7429+36	7429+36	18923(Top 74%)	7336(Top 67%)	7336(Top 837%)
30K	18.64 mi	3.11 mi	19672-438	7726-297	7726-297	21038(Top 82%)	8657(Top 79%)	8657(Top 988%)
20M	20.00 mi	1.36 mi	19760-88	7794-68	7794-68	20797(Top 81%)	8643(Top 79%)	8643(Top 987%)
21M	21.00 mi	1.00 mi	19909-149	7896-102	7896-102	21917(Top 86%)	9242(Top 85%)	9242(Top 1055%)
35K	21.75 mi	0.75 mi	20026-117	7975-79	7975-79	22256(Top 87%)	9477(Top 87%)	9477(Top 1082%)
23M	23.00 mi	1.25 mi	20141-115	8067-92	8067-92	21475(Top 84%)	9112(Top 83%)	9112(Top 1040%)
24M	24.00 mi	1.00 mi	20272-131	8161-94	8161-94	22589(Top 88%)	9706(Top 89%)	9706(Top 1108%)
40K	24.85 mi	0.85 mi	20662-390	8388-227	8388-227	25111(Top 98%)	10799(Top 99%)	10799(Top 1233%)
25.2M	25.20 mi	0.35 mi	20812-150	8470-82	8470-82	25059(Top 98%)	10768(Top 99%)	10768(Top 1229%)
Finish	26.22 mi	1.02 mi	20991-179	8575-105	8575-105	24382(Top 95%)	10539(Top 96%)	10539(Top 1203%)

10539

Passing Analysis

Category:

Athletes Passed

1852

Passed By

2523

Net Change

-671

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#20320
5K → 10K	439	130	+309	#20320	#20011
10K → 15K	349	80	+269	#20011	#19742
15K → 20K	412	66	+346	#19742	#19396
20K → Half	103	3	+100	#19396	#19296
Half → 25K	213	151	+62	#19296	#19234
25K → 30K	89	527	-438	#19234	#19672
30K → 20M	63	151	-88	#19672	#19760
20M → 21M	41	190	-149	#19760	#19909
21M → 35K	29	146	-117	#19909	#20026
35K → 23M	50	165	-115	#20026	#20141
23M → 24M	28	159	-131	#20141	#20272
24M → 40K	6	396	-390	#20272	#20662
40K → 25.2M	5	155	-150	#20662	#20812
25.2M → Finish	25	204	-179	#20812	#20991
TOTALS	1852	2523	-671

📊

Passing Visuals

Category:

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 22 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing