San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Flang Nguyen

Bib: 12873•M•Age: 38

Novato, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 1%
Gender (Male)
#0 / 3619
Top 3%
Division (M35-39)
#0 / 582
Top 2%
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
6:58/mi
13:56
→ flat
4M
7:01/mi
27:57
↑ 67↓ 69
6M
7:06/mi
42:10
↑ 1231.1%
8M
7:53/mi
57:56
↑ 166↓ 531.1%
9.6M
5:27/mi
1:06:40
↑ 68↓ 1931.5%
10M
12:46/mi
1:11:46
↓ 241.1%
10.5M
3:22/mi
1:13:27
↓ 732.7%
12M
9:32/mi
1:27:45
↑ 2803.2%
Finish· 13.11 mi
7:00/mi
1:35:31
↑ 14↓ 891.3%

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time42:10
Pace7:02 /mi
2nd Half
Distance7.11 mi
Time53:21
Pace7:30 /mi
📊Positive Split: 26.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:44:2213:566:5813:56
6:58
-
4M
4.00 mi06:58:2327:576:5914:01
7:01
+0:03
6M
6.00 mi07:12:3642:107:0214:13
7:06
+0:05
8M
8.00 mi07:28:2257:567:1415:46
7:53
+0:47
9.6M
9.60 mi07:37:061:06:406:578:44
5:27
-2:26
10M
10.00 mi07:42:121:11:467:115:06
12:46
+7:19
10.5M
10.50 mi07:43:531:13:277:001:41
3:22
-9:24
12M
12.00 mi07:58:111:27:457:1914:18
9:32
+6:10
Finish
13.11 mi08:05:571:35:317:177:46
7:00
-2:32

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

3:22 /mi

Average Pace

7:17 /mi

Slowest Pace

12:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:25

11% of race

Time at Steady Pace

1:05:42

69% of race

Time at Slower Pace

19:24

20% of race

Average Pace: 7:17 /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 mi06:44:2213:566:5813:56
6:58
#112
4M
4.00 mi06:58:2327:576:5914:01
7:01
#107
6M
6.00 mi07:12:3642:107:0214:13
7:06
#101
8M
8.00 mi07:28:2257:567:1415:46
7:53
#129
9.6M
9.60 mi07:37:061:06:406:578:44
5:27
#102
10M
10.00 mi07:42:121:11:467:115:06
12:46
#104
10.5M
10.50 mi07:43:531:13:277:001:41
3:22
#103
12M
12.00 mi07:58:111:27:457:1914:18
9:32
#111
Finish
13.11 mi08:05:571:35:317:177:46
7:00
#94
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 2%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

6:47

Segment Time

7:32/mi

Pace

0.90 mi

Distance

Overall

104

Men

100

Division

16

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi11210517150(Top 2%)123(Top 3%)16(Top 3%)
4M4.00 mi2.00 mi107+5100+515+298(Top 1%)92(Top 3%)16(Top 3%)
6M6.00 mi2.00 mi101+695+516-1107(Top 2%)100(Top 3%)16(Top 3%)
8M8.00 mi2.00 mi129-28123-2821-5388(Top 6%)336(Top 9%)57(Top 10%)
9.6M9.60 mi1.60 mi102+2796+2716+544(Top 0.7%)39(Top 1%)5(Top 0.9%)
10M10.00 mi0.40 mi104-297-116165(Top 3%)131(Top 4%)19(Top 3%)
10.5M10.50 mi0.50 mi103+196+11666(Top 1%)64(Top 2%)9(Top 2%)
12M12.00 mi1.50 mi111-8102-615+1150(Top 2%)123(Top 3%)16(Top 3%)
Finish13.11 mi1.11 mi94+1792+1014+1122(Top 2%)117(Top 3%)17(Top 3%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 2%
~flat
+5ft-3ft

Overall

150

Males

123

M35-39

16

2M→4M

2.0 - 4.0 mi

Top 1%
×4story building
+67ft-69ft

Overall

98

Males

92

M35-39

16

4M→6M

4.0 - 6.0 mi

Top 2%
×9story building
+123ft-9ft

Overall

107

Males

100

M35-39

16

6M→8M

6.0 - 8.0 mi

Top 6%
×12story building
+166ft-53ft

Overall

388

Males

336

M35-39

57

8M→9.6M

8.0 - 9.6 mi

Top 0.7%
×13story building
+68ft-193ft

Overall

44

Males

39

M35-39

5

9.6M→10M

9.6 - 10.0 mi

Top 3%
×2story building
+0ft-24ft

Overall

165

Males

131

M35-39

19

10M→10.5M

10.0 - 10.5 mi

Top 1%
×6story building
+1ft-73ft

Overall

66

Males

64

M35-39

9

10.5M→12M

10.5 - 12.0 mi

Top 2%
×21story building
+280ft-26ft

Overall

150

Males

123

M35-39

16

12M→Finish

12.0 - 13.1 mi

Top 2%
×7story building
+14ft-89ft

Overall

122

Males

117

M35-39

17

Passing Analysis

Category:
Athletes Passed
72*
Passed By
54
Net Change
+18
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#112
2M → 4M105+5#112#107
4M → 6M82+6#107#101
6M → 8M129-28#101#129
8M → 9.6M270+27#129#102
9.6M → 10M24-2#102#104
10M → 10.5M21+1#104#103
10.5M → 12M513-8#103#111
12M → Finish17*0+17#111#94
TOTALS72*54+18

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

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events