Hao Zhao

Bib: 3976β€’Mβ€’Age: 37

Palo Alto, CA

San Francisco Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7166
Top 37%
Gender (Male)
#0 / 5052
Top 42%
Division (M35-39)
#0 / 717
Top 41%
Race Day Weather
59Β°/49Β°F
scattered clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
14:49
Rank: #381
Start β†’ 2M
14:49 | 7:24/mi
4M
30:20
Rank: #443 (-62)
2M β†’ 4M
15:31 | 7:46/mi
6M
45:43
Rank: #443
4M β†’ 6M
15:23 | 7:41/mi
8M
1:01:17
Rank: #491 (-48)
6M β†’ 8M
15:34 | 7:47/mi
9.6M
1:15:05
Rank: #552 (-61)
8M β†’ 9.6M
13:48 | 8:37/mi
10M
1:17:25
Rank: #562 (-10)
9.6M β†’ 10M
2:20 | 5:50/mi
10.5M
1:35:48
Rank: #2293 (-1731)
10M β†’ 10.5M
18:23 | 36:45/mi
12M
1:51:05
Rank: #2623 (-330)
10.5M β†’ 12M
15:17 | 10:11/mi
14M
2:16:50
Rank: #3207 (-584)
12M β†’ 14M
25:45 | 12:52/mi
16M
2:40:05
Rank: #3660 (-453)
14M β†’ 16M
23:15 | 11:38/mi
18M
3:03:20
Rank: #3694 (-34)
16M β†’ 18M
23:15 | 11:38/mi
20M
3:20:58
Rank: #3373 (+321)
18M β†’ 20M
17:38 | 8:49/mi
22M
3:36:31
Rank: #3062 (+311)
20M β†’ 22M
15:33 | 7:46/mi
24M
3:56:25
Rank: #2847 (+215)
22M β†’ 24M
19:54 | 9:57/mi
FinishΒ· 26.22 mi
4:17:09
Rank: #2661 (+186)
24M β†’ Finish
20:44 | 9:21/mi
Is this your race?

Claim it β€” get your free Race Performance Report

An AI deep-dive into your pacing, rankings, and passing β€” built from your real splits and emailed to you, free.

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via 14M
Distance14.00 mi
Time2:16:50
Pace9:46 /mi
2nd Halfβœ“ Faster
Distance12.22 mi
Time2:00:19
Pace9:51 /mi
πŸ“ŠNegative Split: 12.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:37:2114:497:2414:49
7:24
-
4M
4.00 mi05:52:5230:207:3515:31
7:46
+0:22
6M
6.00 mi06:08:1545:437:3715:23
7:41
-0:05
8M
8.00 mi06:23:491:01:177:4015:34
7:47
+0:06
9.6M
9.60 mi06:37:371:15:057:4913:48
8:37
+0:50
10M
10.00 mi06:39:571:17:257:452:20
5:50
-2:47
10.5M
10.50 mi06:58:201:35:489:0718:23
36:45
+30:55
12M
12.00 mi07:13:371:51:059:1515:17
10:11
-26:34
14M
14.00 mi07:39:222:16:509:4625:45
12:52
+2:41
16M
16.00 mi08:02:372:40:0510:0023:15
11:38
-1:14
18M
18.00 mi08:25:523:03:2010:1123:15
11:38
0:00
20M
20.00 mi08:43:303:20:5810:0317:38
8:49
-2:49
22M
22.00 mi08:59:033:36:319:5015:33
7:46
-1:03
24M
24.00 mi09:18:573:56:259:5119:54
9:57
+2:11
Finish
26.22 mi09:39:414:17:099:4920:44
9:21
-0:36

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

5:50 /mi

Average Pace

9:49 /mi

Slowest Pace

36:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

0:00

0% of race

Time at Steady Pace

3:33:01

83% of race

Time at Slower Pace

44:08

17% of race

Average Pace: 9:48 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:37:2114:497:2414:49
7:24
#381
4M
4.00 mi05:52:5230:207:3515:31
7:46
#443
6M
6.00 mi06:08:1545:437:3715:23
7:41
#443
8M
8.00 mi06:23:491:01:177:4015:34
7:47
#491
9.6M
9.60 mi06:37:371:15:057:4913:48
8:37
#552
10M
10.00 mi06:39:571:17:257:452:20
5:50
#562
10.5M
10.50 mi06:58:201:35:489:0718:23
36:45
#2293
12M
12.00 mi07:13:371:51:059:1515:17
10:11
#2623
14M
14.00 mi07:39:222:16:509:4625:45
12:52
#3207
16M
16.00 mi08:02:372:40:0510:0023:15
11:38
#3660
18M
18.00 mi08:25:523:03:2010:1123:15
11:38
#3694
20M
20.00 mi08:43:303:20:5810:0317:38
8:49
#3373
22M
22.00 mi08:59:033:36:319:5015:33
7:46
#3062
24M
24.00 mi09:18:573:56:259:5119:54
9:57
#2847
Finish
26.22 mi09:39:414:17:099:4920:44
9:21
#2661
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 100%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge Β· 9.6–10.5 mi Β· Β© Mapbox Β© OpenStreetMap

20:43

Segment Time

23:02/mi

Pace

0.90 mi

Distance

Overall

7139

Men

5035

Division

715

See the full Garmin Challenge leaderboard

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi381356514325(Top 60%)3359(Top 66%)459(Top 64%)
4M4.00 mi2.00 mi443-62404-4860-9517(Top 7%)470(Top 9%)66(Top 9%)
6M6.00 mi2.00 mi443406-260508(Top 7%)463(Top 9%)66(Top 9%)
8M8.00 mi2.00 mi491-48446-4064-4686(Top 10%)614(Top 12%)88(Top 12%)
9.6M9.60 mi1.60 mi552-61499-5371-71119(Top 16%)1000(Top 20%)146(Top 20%)
10M10.00 mi0.40 mi562-10507-8711362(Top 19%)1178(Top 23%)162(Top 23%)
10.5M10.50 mi0.50 mi2293-17311932-1425258-1877267(Top 101%)5118(Top 101%)716(Top 100%)
12M12.00 mi1.50 mi2623-3302179-247287-294325(Top 60%)3359(Top 66%)459(Top 64%)
14M14.00 mi2.00 mi3207-5842607-428349-625876(Top 82%)4294(Top 85%)609(Top 85%)
16M16.00 mi2.00 mi3660-4532921-314404-555963(Top 83%)4319(Top 85%)611(Top 85%)
18M18.00 mi2.00 mi3694-342929-8405-14086(Top 57%)3083(Top 61%)430(Top 60%)
20M20.00 mi2.00 mi3373+3212694+235372+331188(Top 17%)1007(Top 20%)141(Top 20%)
22M22.00 mi2.00 mi3062+3112459+235342+30666(Top 9%)576(Top 11%)80(Top 11%)
24M24.00 mi2.00 mi2847+2152286+173311+311725(Top 24%)1367(Top 27%)197(Top 27%)
Finish26.22 mi2.22 mi2661+1862142+144296+151508(Top 21%)1200(Top 24%)166(Top 23%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 60%
Γ—1human
+6ft-11ft

Overall

4325

Males

3359

M35-39

461

2M→4M

2.0 - 4.0 mi

Top 7%
Γ—4stories
+75ft-70ft

Overall

517

Males

470

M35-39

67

4M→6M

4.0 - 6.0 mi

Top 7%
Γ—5stories
+71ft-18ft

Overall

508

Males

463

M35-39

67

6M→8M

6.0 - 8.0 mi

Top 10%
Γ—9stories
+106ft-21ft

Overall

686

Males

614

M35-39

88

8M→9.6M

8.0 - 9.6 mi

Top 16%
Γ—13stories
+117ft-177ft

Overall

1119

Males

1000

M35-39

146

9.6M→10M

9.6 - 10.0 mi

Top 19%
Γ—1story
+17ft-12ft

Overall

1362

Males

1178

M35-39

162

10M→10.5M

10.0 - 10.5 mi

Top 101%
Γ—9stories
+0ft-102ft

Overall

7267

Males

5118

M35-39

726

10.5M→12M

10.5 - 12.0 mi

Top 60%
Γ—18stories
+304ft-125ft

Overall

4325

Males

3359

M35-39

461

12M→14M

12.0 - 14.0 mi

Top 82%
Γ—9stories
+99ft-125ft

Overall

5876

Males

4294

M35-39

611

14M→16M

14.0 - 16.0 mi

Top 83%
Γ—9stories
+124ft-78ft

Overall

5963

Males

4319

M35-39

612

16M→18M

16.0 - 18.0 mi

Top 57%
Γ—8stories
+106ft-45ft

Overall

4086

Males

3083

M35-39

431

18M→20M

18.0 - 20.0 mi

Top 17%
Γ—3stories
+52ft-26ft

Overall

1188

Males

1007

M35-39

141

20M→22M

20.0 - 22.0 mi

Top 9%
Γ—21stories
+17ft-266ft

Overall

666

Males

576

M35-39

80

22M→24M

22.0 - 24.0 mi

Top 24%
Γ—3stories
+70ft-85ft

Overall

1725

Males

1367

M35-39

197

24M→Finish

24.0 - 26.2 mi

Top 21%
~flat
+2ft-2ft

Overall

1508

Males

1200

M35-39

166

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1178*
Passed By
3458
Net Change
-2280
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 2M----#381
2M β†’ 4M567-62#381#443
4M β†’ 6M11110#443#443
6M β†’ 8M10*58-48#443#491
8M β†’ 9.6M061-61#491#552
9.6M β†’ 10M010-10#552#562
10M β†’ 10.5M01731-1731#562#2293
10.5M β†’ 12M8338-330#2293#2623
12M β†’ 14M5*589-584#2623#3207
14M β†’ 16M11*464-453#3207#3660
16M β†’ 18M88122-34#3660#3694
18M β†’ 20M321*0+321#3694#3373
20M β†’ 22M311*0+311#3373#3062
22M β†’ 24M218*3+215#3062#2847
24M β†’ Finish190*4+186#2847#2661
TOTALS1178*3458-2280

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

πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events