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SF MARATHON 2026

Andrea Chau

Bib: 4027•F•Age: 28

Monterey Park, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 43%
Gender (Female)
#0 / 2086
Top 31%
Division (F25-29)
#0 / 614
Top 33%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
21:26
Rank: #5488
Start → 2M
21:26 | 10:43/mi
4M
41:16
Rank: #4640 (+848)
2M → 4M
19:50 | 9:55/mi
6M
1:00:38
Rank: #4092 (+548)
4M → 6M
19:22 | 9:41/mi
8M
1:20:15
Rank: #3995 (+97)
6M → 8M
19:37 | 9:48/mi
9.6M
1:37:14
Rank: #3945 (+50)
8M → 9.6M
16:59 | 10:37/mi
10M
1:39:58
Rank: #3936 (+9)
9.6M → 10M
2:44 | 6:50/mi
10.5M
1:46:33
Rank: #3869 (+67)
10M → 10.5M
6:35 | 13:10/mi
12M
2:00:02
Rank: #3684 (+185)
10.5M → 12M
13:29 | 8:59/mi
14M
2:21:15
Rank: #3638 (+46)
12M → 14M
21:13 | 10:36/mi
16M
2:41:44
Rank: #3795 (-157)
14M → 16M
20:29 | 10:15/mi
18M
3:02:13
Rank: #3613 (+182)
16M → 18M
20:29 | 10:15/mi
20M
3:22:52
Rank: #3522 (+91)
18M → 20M
20:39 | 10:19/mi
22M
3:40:50
Rank: #3317 (+205)
20M → 22M
17:58 | 8:59/mi
24M
4:02:39
Rank: #3223 (+94)
22M → 24M
21:49 | 10:55/mi
Finish· 26.22 mi
4:24:18
Rank: #3086 (+137)
24M → Finish
21:39 | 9:45/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:21:15
Pace10:05 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:03:03
Pace10:04 /mi
📊Negative Split: 12.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:58:2721:2610:4321:26
10:43
-
4M
4.00 mi06:18:1741:1610:1919:50
9:55
-0:48
6M
6.00 mi06:37:391:00:3810:0619:22
9:41
-0:14
8M
8.00 mi06:57:161:20:1510:0219:37
9:48
+0:07
9.6M
9.60 mi07:14:151:37:1410:0816:59
10:37
+0:49
10M
10.00 mi07:16:591:39:5810:002:44
6:50
-3:47
10.5M
10.50 mi07:23:341:46:3310:096:35
13:10
+6:20
12M
12.00 mi07:37:032:00:0210:0013:29
8:59
-4:11
14M
14.00 mi07:58:162:21:1510:0521:13
10:36
+1:37
16M
16.00 mi08:18:452:41:4410:0720:29
10:15
-0:21
18M
18.00 mi08:39:143:02:1310:0720:29
10:15
0:00
20M
20.00 mi08:59:533:22:5210:0920:39
10:19
+0:04
22M
22.00 mi09:17:513:40:5010:0217:58
8:59
-1:20
24M
24.00 mi09:39:404:02:3910:0721:49
10:55
+1:56
Finish
26.22 mi10:01:194:24:1810:0521:39
9:45
-1:10

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

6:50 /mi

Average Pace

10:05 /mi

Slowest Pace

13:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:11

13% of race

Time at Steady Pace

3:21:43

76% of race

Time at Slower Pace

28:24

11% of race

Average Pace: 10:05 /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.

Loading...
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

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:58:2721:2610:4321:26
10:43
#5488
4M
4.00 mi06:18:1741:1610:1919:50
9:55
#4640
6M
6.00 mi06:37:391:00:3810:0619:22
9:41
#4092
8M
8.00 mi06:57:161:20:1510:0219:37
9:48
#3995
9.6M
9.60 mi07:14:151:37:1410:0816:59
10:37
#3945
10M
10.00 mi07:16:591:39:5810:002:44
6:50
#3936
10.5M
10.50 mi07:23:341:46:3310:096:35
13:10
#3869
12M
12.00 mi07:37:032:00:0210:0013:29
8:59
#3684
14M
14.00 mi07:58:162:21:1510:0521:13
10:36
#3638
16M
16.00 mi08:18:452:41:4410:0720:29
10:15
#3795
18M
18.00 mi08:39:143:02:1310:0720:29
10:15
#3613
20M
20.00 mi08:59:533:22:5210:0920:39
10:19
#3522
22M
22.00 mi09:17:513:40:5010:0217:58
8:59
#3317
24M
24.00 mi09:39:404:02:3910:0721:49
10:55
#3223
Finish
26.22 mi10:01:194:24:1810:0521:39
9:45
#3086
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 48%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:19

Segment Time

10:21/mi

Pace

0.90 mi

Distance

Overall

3426

Women

664

Division

207

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi548813904122828(Top 39%)489(Top 23%)166(Top 27%)
4M4.00 mi2.00 mi4640+8481064+326320+923875(Top 54%)772(Top 37%)245(Top 40%)
6M6.00 mi2.00 mi4092+548851+213271+493367(Top 47%)622(Top 30%)200(Top 33%)
8M8.00 mi2.00 mi3995+97811+40255+163849(Top 54%)764(Top 37%)239(Top 39%)
9.6M9.60 mi1.60 mi3945+50799+12250+53921(Top 55%)815(Top 39%)259(Top 42%)
10M10.00 mi0.40 mi3936+9797+22503617(Top 50%)713(Top 34%)228(Top 37%)
10.5M10.50 mi0.50 mi3869+67779+18246+43458(Top 48%)692(Top 33%)212(Top 35%)
12M12.00 mi1.50 mi3684+185727+52232+142828(Top 39%)489(Top 23%)166(Top 27%)
14M14.00 mi2.00 mi3638+46718+9230+23441(Top 48%)677(Top 32%)215(Top 35%)
16M16.00 mi2.00 mi3795-157775-57242-124888(Top 68%)1222(Top 59%)379(Top 62%)
18M18.00 mi2.00 mi3613+182734+41236+62560(Top 36%)499(Top 24%)170(Top 28%)
20M20.00 mi2.00 mi3522+91719+15233+32937(Top 41%)636(Top 30%)208(Top 34%)
22M22.00 mi2.00 mi3317+205672+47215+182001(Top 28%)397(Top 19%)126(Top 21%)
24M24.00 mi2.00 mi3223+94667+5213+22734(Top 38%)666(Top 32%)214(Top 35%)
Finish26.22 mi2.22 mi3086+137641+26204+91987(Top 28%)436(Top 21%)147(Top 24%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 39%
×1human
+6ft-11ft

Overall

2828

Females

489

F25-29

167

2M→4M

2.0 - 4.0 mi

Top 54%
×4stories
+75ft-70ft

Overall

3875

Females

772

F25-29

246

4M→6M

4.0 - 6.0 mi

Top 47%
×5stories
+71ft-18ft

Overall

3367

Females

622

F25-29

202

6M→8M

6.0 - 8.0 mi

Top 54%
×9stories
+106ft-21ft

Overall

3849

Females

764

F25-29

241

8M→9.6M

8.0 - 9.6 mi

Top 55%
×13stories
+117ft-177ft

Overall

3921

Females

815

F25-29

261

9.6M→10M

9.6 - 10.0 mi

Top 50%
×1story
+17ft-12ft

Overall

3617

Females

713

F25-29

230

10M→10.5M

10.0 - 10.5 mi

Top 48%
×9stories
+0ft-102ft

Overall

3458

Females

692

F25-29

213

10.5M→12M

10.5 - 12.0 mi

Top 39%
×18stories
+304ft-125ft

Overall

2828

Females

489

F25-29

167

12M→14M

12.0 - 14.0 mi

Top 48%
×9stories
+99ft-125ft

Overall

3441

Females

677

F25-29

216

14M→16M

14.0 - 16.0 mi

Top 68%
×9stories
+124ft-78ft

Overall

4888

Females

1222

F25-29

380

16M→18M

16.0 - 18.0 mi

Top 36%
×8stories
+106ft-45ft

Overall

2560

Females

499

F25-29

171

18M→20M

18.0 - 20.0 mi

Top 41%
×3stories
+52ft-26ft

Overall

2937

Females

636

F25-29

208

20M→22M

20.0 - 22.0 mi

Top 28%
×21stories
+17ft-266ft

Overall

2001

Females

397

F25-29

126

22M→24M

22.0 - 24.0 mi

Top 38%
×3stories
+70ft-85ft

Overall

2734

Females

666

F25-29

214

24M→Finish

24.0 - 26.2 mi

Top 28%
~flat
+2ft-2ft

Overall

1987

Females

436

F25-29

147

Passing Analysis

Category:
Athletes Passed
2836*
Passed By
434
Net Change
+2402
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5488
2M → 4M855*7+848#5488#4640
4M → 6M5502+548#4640#4092
6M → 8M126*29+97#4092#3995
8M → 9.6M103*53+50#3995#3945
9.6M → 10M2415+9#3945#3936
10M → 10.5M703+67#3936#3869
10.5M → 12M1905+185#3869#3684
12M → 14M73*27+46#3684#3638
14M → 16M53*210-157#3638#3795
16M → 18M21634+182#3795#3613
18M → 20M106*15+91#3613#3522
20M → 22M207*2+205#3522#3317
22M → 24M117*23+94#3317#3223
24M → Finish146*9+137#3223#3086
TOTALS2836*434+2402

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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