Erin Brereton

Bib: 795•F•Age: 33

Sausalito, CA

0:00

0:00

/ mi

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Overall

#0 / 7166

Top 6%

Gender (Female)

#0 / 2086

Top 2%

Division (F30-34)

#0 / 395

Top 2%

Race Day Weather

59°/49°F

scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

15:04

Rank: #457

Start → 2M

15:04 | 7:32/mi

15:04

Rank: #457

Start → 2M

15:04 | 7:32/mi

29:54

Rank: #383 (+74)

2M → 4M

14:50 | 7:25/mi

29:54

Rank: #383 (+74)

2M → 4M

14:50 | 7:25/mi

44:32

Rank: #344 (+39)

4M → 6M

14:38 | 7:19/mi

44:32

Rank: #344 (+39)

4M → 6M

14:38 | 7:19/mi

58:48

Rank: #327 (+17)

6M → 8M

14:16 | 7:08/mi

58:48

Rank: #327 (+17)

6M → 8M

14:16 | 7:08/mi

9.6M

1:11:02

Rank: #322 (+5)

8M → 9.6M

12:14 | 7:39/mi

9.6M

1:11:02

Rank: #322 (+5)

8M → 9.6M

12:14 | 7:39/mi

10M

1:13:03

Rank: #323 (-1)

9.6M → 10M

2:01 | 5:03/mi

10M

1:13:03

Rank: #323 (-1)

9.6M → 10M

2:01 | 5:03/mi

10.5M

1:17:52

Rank: #322 (+1)

10M → 10.5M

4:49 | 9:38/mi

10.5M

1:17:52

Rank: #322 (+1)

10M → 10.5M

4:49 | 9:38/mi

12M

1:28:00

Rank: #311 (+11)

10.5M → 12M

10:08 | 6:45/mi

12M

1:28:00

Rank: #311 (+11)

10.5M → 12M

10:08 | 6:45/mi

14M

1:43:32

Rank: #301 (+10)

12M → 14M

15:32 | 7:46/mi

14M

1:43:32

Rank: #301 (+10)

12M → 14M

15:32 | 7:46/mi

16M

1:57:58

Rank: #329 (-28)

14M → 16M

14:26 | 7:13/mi

16M

1:57:58

Rank: #329 (-28)

14M → 16M

14:26 | 7:13/mi

18M

2:12:23

Rank: #274 (+55)

16M → 18M

14:25 | 7:13/mi

18M

2:12:23

Rank: #274 (+55)

16M → 18M

14:25 | 7:13/mi

20M

2:27:24

Rank: #266 (+8)

18M → 20M

15:01 | 7:30/mi

20M

2:27:24

Rank: #266 (+8)

18M → 20M

15:01 | 7:30/mi

22M

2:41:51

Rank: #262 (+4)

20M → 22M

14:27 | 7:13/mi

22M

2:41:51

Rank: #262 (+4)

20M → 22M

14:27 | 7:13/mi

24M

3:00:56

Rank: #304 (-42)

22M → 24M

19:05 | 9:33/mi

24M

3:00:56

Rank: #304 (-42)

22M → 24M

19:05 | 9:33/mi

Finish· 26.22 mi

3:27:21

Rank: #460 (-156)

24M → Finish

26:25 | 11:54/mi

Finish· 26.22 mi

3:27:21

Rank: #460 (-156)

24M → Finish

26:25 | 11:54/mi

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Half Splits

1st Half· via 14M⚖️ Balanced

Distance14.00 mi

Time1:43:32

Pace7:24 /mi

2nd Half⚖️ Balanced

Distance12.22 mi

Time1:43:49

Pace8:30 /mi

📊Even Split: Consistent pacing between halves

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:30:59	15:04	7:32	15:04	7:32	-
4M	4.00 mi	05:45:49	29:54	7:29	14:50	7:25	-0:07
6M	6.00 mi	06:00:27	44:32	7:25	14:38	7:19	-0:06
8M	8.00 mi	06:14:43	58:48	7:21	14:16	7:08	-0:11
9.6M	9.60 mi	06:26:57	1:11:02	7:24	12:14	7:39	+0:31
10M	10.00 mi	06:28:58	1:13:03	7:18	2:01	5:03	-2:36
10.5M	10.50 mi	06:33:47	1:17:52	7:25	4:49	9:38	+4:35
12M	12.00 mi	06:43:55	1:28:00	7:20	10:08	6:45	-2:53
14M	14.00 mi	06:59:27	1:43:32	7:24	15:32	7:46	+1:01
16M	16.00 mi	07:13:53	1:57:58	7:22	14:26	7:13	-0:33
18M	18.00 mi	07:28:18	2:12:23	7:21	14:25	7:13	0:00
20M	20.00 mi	07:43:19	2:27:24	7:22	15:01	7:30	+0:17
22M	22.00 mi	07:57:46	2:41:51	7:21	14:27	7:13	-0:17
24M	24.00 mi	08:16:51	3:00:56	7:32	19:05	9:33	+2:20
Finish	26.22 mi	08:43:16	3:27:21	7:55	26:25	11:54	+2:21

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

5:03 /mi

Average Pace

7:55 /mi

Slowest Pace

11:54 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:01

1% of race

Time at Steady Pace

2:35:01

75% of race

Time at Slower Pace

50:19

24% of race

Average Pace: 7:54 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
2M	2.00 mi	05:30:59	15:04	7:32	15:04	7:32	#457
4M	4.00 mi	05:45:49	29:54	7:29	14:50	7:25	#383
6M	6.00 mi	06:00:27	44:32	7:25	14:38	7:19	#344
8M	8.00 mi	06:14:43	58:48	7:21	14:16	7:08	#327
9.6M	9.60 mi	06:26:57	1:11:02	7:24	12:14	7:39	#322
10M	10.00 mi	06:28:58	1:13:03	7:18	2:01	5:03	#323
10.5M	10.50 mi	06:33:47	1:17:52	7:25	4:49	9:38	#322
12M	12.00 mi	06:43:55	1:28:00	7:20	10:08	6:45	#311
14M	14.00 mi	06:59:27	1:43:32	7:24	15:32	7:46	#301
16M	16.00 mi	07:13:53	1:57:58	7:22	14:26	7:13	#329
18M	18.00 mi	07:28:18	2:12:23	7:21	14:25	7:13	#274
20M	20.00 mi	07:43:19	2:27:24	7:22	15:01	7:30	#266
22M	22.00 mi	07:57:46	2:41:51	7:21	14:27	7:13	#262
24M	24.00 mi	08:16:51	3:00:56	7:32	19:05	9:33	#304
Finish	26.22 mi	08:43:16	3:27:21	7:55	26:25	11:54	#460

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 4%

Garmin Challenge

Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

6:50

Segment Time

7:36/mi

Pace

0.90 mi

Distance

Overall

282

Women

Division

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F30-34	Seg. Overall	Seg. Females	Seg. F30-34
2M	2.00 mi	2.00 mi	457	38	8	221(Top 3%)	14(Top 0.7%)	1(Top 0.3%)
4M	4.00 mi	2.00 mi	383+74	24+14	4+4	324(Top 5%)	17(Top 0.8%)	4(Top 1%)
6M	6.00 mi	2.00 mi	344+39	17+7	3+1	324(Top 5%)	18(Top 0.9%)	3(Top 0.8%)
8M	8.00 mi	2.00 mi	327+17	17	3	290(Top 4%)	18(Top 0.9%)	2(Top 0.5%)
9.6M	9.60 mi	1.60 mi	322+5	16+1	3	325(Top 5%)	19(Top 0.9%)	1(Top 0.3%)
10M	10.00 mi	0.40 mi	323-1	16	3	280(Top 4%)	19(Top 0.9%)	5(Top 1%)
10.5M	10.50 mi	0.50 mi	322+1	16	3	315(Top 4%)	25(Top 1%)	4(Top 1%)
12M	12.00 mi	1.50 mi	311+11	16	3	221(Top 3%)	14(Top 0.7%)	1(Top 0.3%)
14M	14.00 mi	2.00 mi	301+10	18-2	3	265(Top 4%)	17(Top 0.8%)	1(Top 0.3%)
16M	16.00 mi	2.00 mi	329-28	19-1	3	1225(Top 17%)	181(Top 9%)	27(Top 7%)
18M	18.00 mi	2.00 mi	274+55	15+4	2+1	108(Top 2%)	6(Top 0.3%)	1(Top 0.3%)
20M	20.00 mi	2.00 mi	266+8	16-1	3-1	251(Top 4%)	21(Top 1%)	4(Top 1%)
22M	22.00 mi	2.00 mi	262+4	16	3	347(Top 5%)	43(Top 2%)	8(Top 2%)
24M	24.00 mi	2.00 mi	304-42	23-7	5-2	1259(Top 18%)	251(Top 12%)	48(Top 12%)
Finish	26.22 mi	2.22 mi	460-156	45-22	8-3	4461(Top 62%)	1222(Top 59%)	220(Top 56%)

181

F30-34

16M→18M

16.0 - 18.0 mi

Top 2%

×8stories

+106ft-45ft

Overall

108

Females

F30-34

18M→20M

18.0 - 20.0 mi

Top 4%

×3stories

+52ft-26ft

Overall

251

Females

F30-34

20M→22M

20.0 - 22.0 mi

Top 5%

×21stories

+17ft-266ft

Overall

347

Females

F30-34

22M→24M

22.0 - 24.0 mi

Top 18%

×3stories

+70ft-85ft

Overall

1259

Females

251

F30-34

24M→Finish

24.0 - 26.2 mi

Top 62%

~flat

+2ft-2ft

Overall

4461

Females

1222

F30-34

220

Passing Analysis

Category:

Athletes Passed

263*

Passed By

266

Net Change

-3

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#457
2M → 4M	76	2	+74	#457	#383
4M → 6M	42	3	+39	#383	#344
6M → 8M	18*	1	+17	#344	#327
8M → 9.6M	8	3	+5	#327	#322
9.6M → 10M	1	2	-1	#322	#323
10M → 10.5M	3	2	+1	#323	#322
10.5M → 12M	12	1	+11	#322	#311
12M → 14M	14*	4	+10	#311	#301
14M → 16M	11	39	-28	#301	#329
16M → 18M	55	0	+55	#329	#274
18M → 20M	13	5	+8	#274	#266
20M → 22M	8	4	+4	#266	#262
22M → 24M	2	44	-42	#262	#304
24M → Finish	0	156	-156	#304	#460
TOTALS	263*	266	-3

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 4 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

The San Francisco Marathon

Race timed by

Race Place Events

Erin Brereton

⏱️ Race Timeline

Race Animation with Course Map

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Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Garmin Challenge

Checkpoint and Segment Rankings

Segment Performance Analysis

10.5M→12M

2M→4M

4M→6M

6M→8M

8M→9.6M

9.6M→10M

10M→10.5M

10.5M→12M

12M→14M

14M→16M

16M→18M

18M→20M

20M→22M

22M→24M

24M→Finish

Passing Analysis

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

⚖️ Age Grade

Export Track Data

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All Results

Race Analytics

Course Information

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Public Race Data