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SF MARATHON 1ST HALF 2026

Changgeng Xu

Bib: 19290•M•Age: 26

Milpitas, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 27%
Gender (Male)
#0 / 3619
Top 36%
Division (M25-29)
#0 / 796
Top 39%
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
9:04/mi
18:09
→ flat
4M
9:15/mi
36:38
↑ 67↓ 69
6M
9:22/mi
55:23
↑ 1231.1%
8M
10:41/mi
1:16:45
↑ 166↓ 531.1%
9.6M
7:09/mi
1:28:12
↑ 68↓ 1931.5%
10M
18:09/mi
1:35:27
↓ 241.1%
10.5M
4:54/mi
1:37:54
↓ 732.7%
12M
12:55/mi
1:57:16
↑ 2803.2%
Finish· 13.11 mi
8:33/mi
2:06:45
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time55:23
Pace9:14 /mi
2nd Half
Distance7.11 mi
Time1:11:22
Pace10:02 /mi
📊Positive Split: 28.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:2318:099:0418:09
9:04
-
4M
4.00 mi07:22:5236:389:1018:29
9:15
+0:11
6M
6.00 mi07:41:3755:239:1418:45
9:22
+0:07
8M
8.00 mi08:02:591:16:459:3621:22
10:41
+1:19
9.6M
9.60 mi08:14:261:28:129:1111:27
7:09
-3:32
10M
10.00 mi08:21:411:35:279:337:15
18:09
+11:00
10.5M
10.50 mi08:24:081:37:549:192:27
4:54
-13:15
12M
12.00 mi08:43:301:57:169:4619:22
12:55
+8:01
Finish
13.11 mi08:52:592:06:459:409:29
8:33
-4:22

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

4:54 /mi

Average Pace

9:40 /mi

Slowest Pace

18:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:54

11% of race

Time at Steady Pace

1:26:14

68% of race

Time at Slower Pace

26:37

21% of race

Average Pace: 9:40 /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.

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 mi07:04:2318:099:0418:09
9:04
#1608
4M
4.00 mi07:22:5236:389:1018:29
9:15
#1672
6M
6.00 mi07:41:3755:239:1418:45
9:22
#1753
8M
8.00 mi08:02:591:16:459:3621:22
10:41
#2101
9.6M
9.60 mi08:14:261:28:129:1111:27
7:09
#1768
10M
10.00 mi08:21:411:35:279:337:15
18:09
#1819
10.5M
10.50 mi08:24:081:37:549:192:27
4:54
#1840
12M
12.00 mi08:43:301:57:169:4619:22
12:55
#1821
Finish
13.11 mi08:52:592:06:459:409:29
8:33
#1744
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 37%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:42

Segment Time

10:47/mi

Pace

0.90 mi

Distance

Overall

2461

Men

1714

Division

411

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi160812102951856(Top 28%)1334(Top 37%)317(Top 40%)
4M4.00 mi2.00 mi1672-641267-57314-191766(Top 27%)1329(Top 37%)315(Top 40%)
6M6.00 mi2.00 mi1753-811323-56320-61886(Top 29%)1405(Top 39%)333(Top 42%)
8M8.00 mi2.00 mi2101-3481546-223371-513187(Top 48%)2173(Top 60%)506(Top 64%)
9.6M9.60 mi1.60 mi1768+3331327+219318+53791(Top 12%)566(Top 16%)132(Top 17%)
10M10.00 mi0.40 mi1819-511354-27324-62459(Top 37%)1703(Top 47%)407(Top 51%)
10.5M10.50 mi0.50 mi1840-211367-133242830(Top 43%)1907(Top 53%)452(Top 57%)
12M12.00 mi1.50 mi1821+191346+21325-11856(Top 28%)1334(Top 37%)317(Top 40%)
Finish13.11 mi1.11 mi1744+771302+44314+111140(Top 17%)889(Top 25%)221(Top 28%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 28%
~flat
+5ft-3ft

Overall

1856

Males

1334

M25-29

318

2M→4M

2.0 - 4.0 mi

Top 27%
×4story building
+67ft-69ft

Overall

1766

Males

1329

M25-29

315

4M→6M

4.0 - 6.0 mi

Top 29%
×9story building
+123ft-9ft

Overall

1886

Males

1405

M25-29

333

6M→8M

6.0 - 8.0 mi

Top 48%
×12story building
+166ft-53ft

Overall

3187

Males

2173

M25-29

507

8M→9.6M

8.0 - 9.6 mi

Top 12%
×13story building
+68ft-193ft

Overall

791

Males

566

M25-29

132

9.6M→10M

9.6 - 10.0 mi

Top 37%
×2story building
+0ft-24ft

Overall

2459

Males

1703

M25-29

408

10M→10.5M

10.0 - 10.5 mi

Top 43%
×6story building
+1ft-73ft

Overall

2830

Males

1907

M25-29

453

10.5M→12M

10.5 - 12.0 mi

Top 28%
×21story building
+280ft-26ft

Overall

1856

Males

1334

M25-29

318

12M→Finish

12.0 - 13.1 mi

Top 17%
×7story building
+14ft-89ft

Overall

1140

Males

889

M25-29

221

Passing Analysis

Category:
Athletes Passed
646*
Passed By
782
Net Change
-136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1608
2M → 4M76140-64#1608#1672
4M → 6M35116-81#1672#1753
6M → 8M14*362-348#1753#2101
8M → 9.6M3407+333#2101#1768
9.6M → 10M1162-51#1768#1819
10M → 10.5M324-21#1819#1840
10.5M → 12M8566+19#1840#1821
12M → Finish82*5+77#1821#1744
TOTALS646*782-136

* 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