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SF MARATHON 1ST HALF 2026

Yifan Xiao

Bib: 16182•M•Age: 34

Campbell, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 39%
Gender (Male)
#0 / 3619
Top 49%
Division (M30-34)
#0 / 772
Top 49%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:18/mi
18:37
→ flat
4M
9:46/mi
38:08
↑ 67↓ 69
6M
10:15/mi
58:38
↑ 1231.1%
8M
11:14/mi
1:21:07
↑ 166↓ 531.1%
9.6M
7:54/mi
1:33:45
↑ 68↓ 1931.5%
10M
19:14/mi
1:41:26
↓ 241.1%
10.5M
4:40/mi
1:43:46
↓ 732.7%
12M
14:08/mi
2:04:58
↑ 2803.2%
Finish· 13.11 mi
9:52/mi
2:15:55
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time58:38
Pace9:46 /mi
2nd Half
Distance7.11 mi
Time1:17:17
Pace10:52 /mi
📊Positive Split: 31.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:51:0518:379:1818:37
9:18
-
4M
4.00 mi07:10:3638:089:3219:31
9:46
+0:28
6M
6.00 mi07:31:0658:389:4620:30
10:15
+0:29
8M
8.00 mi07:53:351:21:0710:0822:29
11:14
+0:59
9.6M
9.60 mi08:06:131:33:459:4612:38
7:54
-3:20
10M
10.00 mi08:13:541:41:2610:097:41
19:14
+11:20
10.5M
10.50 mi08:16:141:43:469:532:20
4:40
-14:34
12M
12.00 mi08:37:262:04:5810:2521:12
14:08
+9:28
Finish
13.11 mi08:48:232:15:5510:2210:57
9:52
-4:16

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

4:40 /mi

Average Pace

10:22 /mi

Slowest Pace

19:14 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:58

11% of race

Time at Steady Pace

1:32:04

68% of race

Time at Slower Pace

28:53

21% of race

Average Pace: 10:22 /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...
0mi3.3mi6.6mi9.8mi13.1mi
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 mi06:51:0518:379:1818:37
9:18
#1960
4M
4.00 mi07:10:3638:089:3219:31
9:46
#2207
6M
6.00 mi07:31:0658:389:4620:30
10:15
#2437
8M
8.00 mi07:53:351:21:0710:0822:29
11:14
#2843
9.6M
9.60 mi08:06:131:33:459:4612:38
7:54
#2509
10M
10.00 mi08:13:541:41:2610:097:41
19:14
#2539
10.5M
10.50 mi08:16:141:43:469:532:20
4:40
#2528
12M
12.00 mi08:37:262:04:5810:2521:12
14:08
#2553
Finish
13.11 mi08:48:232:15:5510:2210:57
9:52
#2542
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 43%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:01

Segment Time

11:08/mi

Pace

0.90 mi

Distance

Overall

2836

Men

1904

Division

424

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi196014383182842(Top 43%)1887(Top 52%)407(Top 53%)
4M4.00 mi2.00 mi2207-2471597-159347-292469(Top 38%)1747(Top 48%)372(Top 48%)
6M6.00 mi2.00 mi2437-2301729-132364-172981(Top 45%)2051(Top 57%)425(Top 55%)
8M8.00 mi2.00 mi2843-4061984-255413-493809(Top 58%)2483(Top 69%)534(Top 69%)
9.6M9.60 mi1.60 mi2509+3341765+219371+421424(Top 22%)947(Top 26%)213(Top 28%)
10M10.00 mi0.40 mi2539-301780-15377-63093(Top 47%)2048(Top 57%)448(Top 58%)
10.5M10.50 mi0.50 mi2528+111770+10374+32284(Top 35%)1610(Top 44%)350(Top 45%)
12M12.00 mi1.50 mi2553-251774-4377-32842(Top 43%)1887(Top 52%)407(Top 53%)
Finish13.11 mi1.11 mi2542+111770+4378-12710(Top 41%)1825(Top 50%)410(Top 53%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 43%
~flat
+5ft-3ft

Overall

2842

Males

1887

M30-34

408

2M→4M

2.0 - 4.0 mi

Top 38%
×4story building
+67ft-69ft

Overall

2469

Males

1747

M30-34

374

4M→6M

4.0 - 6.0 mi

Top 45%
×9story building
+123ft-9ft

Overall

2981

Males

2051

M30-34

427

6M→8M

6.0 - 8.0 mi

Top 58%
×12story building
+166ft-53ft

Overall

3809

Males

2483

M30-34

536

8M→9.6M

8.0 - 9.6 mi

Top 22%
×13story building
+68ft-193ft

Overall

1424

Males

947

M30-34

214

9.6M→10M

9.6 - 10.0 mi

Top 47%
×2story building
+0ft-24ft

Overall

3093

Males

2048

M30-34

449

10M→10.5M

10.0 - 10.5 mi

Top 35%
×6story building
+1ft-73ft

Overall

2284

Males

1610

M30-34

352

10.5M→12M

10.5 - 12.0 mi

Top 43%
×21story building
+280ft-26ft

Overall

2842

Males

1887

M30-34

408

12M→Finish

12.0 - 13.1 mi

Top 41%
×7story building
+14ft-89ft

Overall

2710

Males

1825

M30-34

410

Passing Analysis

Category:
Athletes Passed
582*
Passed By
1164
Net Change
-582
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1960
2M → 4M43290-247#1960#2207
4M → 6M22252-230#2207#2437
6M → 8M15*421-406#2437#2843
8M → 9.6M35723+334#2843#2509
9.6M → 10M2151-30#2509#2539
10M → 10.5M154+11#2539#2528
10.5M → 12M6489-25#2528#2553
12M → Finish45*34+11#2553#2542
TOTALS582*1164-582

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events