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SF MARATHON 1ST HALF 2026

Johnson Nguyen

Bib: 15798•M•Age: 36

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
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
10:30/mi
21:01
→ flat
4M
10:24/mi
41:48
↑ 67↓ 69
6M
10:24/mi
1:02:35
↑ 1231.1%
8M
12:17/mi
1:27:09
↑ 166↓ 531.1%
9.6M
9:51/mi
1:42:55
↑ 68↓ 1931.5%
10M
19:04/mi
1:50:32
↓ 241.1%
10.5M
5:12/mi
1:53:08
↓ 732.7%
12M
14:24/mi
2:14:44
↑ 2803.2%
Finish· 13.11 mi
10:16/mi
2:26:07
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:02:35
Pace10:26 /mi
2nd Half
Distance7.11 mi
Time1:23:32
Pace11:45 /mi
📊Positive Split: 33.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:5621:0110:3021:01
10:30
-
4M
4.00 mi07:25:4341:4810:2720:47
10:24
-0:06
6M
6.00 mi07:46:301:02:3510:2620:47
10:24
0:00
8M
8.00 mi08:11:041:27:0910:5424:34
12:17
+1:53
9.6M
9.60 mi08:26:501:42:5510:4315:46
9:51
-2:26
10M
10.00 mi08:34:271:50:3211:037:37
19:04
+9:13
10.5M
10.50 mi08:37:031:53:0810:462:36
5:12
-13:52
12M
12.00 mi08:58:392:14:4411:1421:36
14:24
+9:12
Finish
13.11 mi09:10:022:26:0711:0911:23
10:16
-4:08

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

5:12 /mi

Average Pace

11:09 /mi

Slowest Pace

19:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36

2% of race

Time at Steady Pace

1:29:44

61% of race

Time at Slower Pace

53:47

37% of race

Average Pace: 11:09 /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 mi07:04:5621:0110:3021:01
10:30
#3938
4M
4.00 mi07:25:4341:4810:2720:47
10:24
#3614
6M
6.00 mi07:46:301:02:3510:2620:47
10:24
#3393
8M
8.00 mi08:11:041:27:0910:5424:34
12:17
#3816
9.6M
9.60 mi08:26:501:42:5510:4315:46
9:51
#3777
10M
10.00 mi08:34:271:50:3211:037:37
19:04
#3687
10.5M
10.50 mi08:37:031:53:0810:462:36
5:12
#3689
12M
12.00 mi08:58:392:14:4411:1421:36
14:24
#3562
Finish
13.11 mi09:10:022:26:0711:0911:23
10:16
#3501
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 47%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:13

Segment Time

11:21/mi

Pace

0.90 mi

Distance

Overall

3063

Men

2033

Division

344

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi393825524283066(Top 47%)2009(Top 56%)342(Top 59%)
4M4.00 mi2.00 mi3614+3242381+171406+223353(Top 51%)2243(Top 62%)382(Top 66%)
6M6.00 mi2.00 mi3393+2212260+121379+273149(Top 48%)2142(Top 59%)359(Top 62%)
8M8.00 mi2.00 mi3816-4232494-234424-454842(Top 74%)2997(Top 83%)500(Top 86%)
9.6M9.60 mi1.60 mi3777+392465+29412+123820(Top 58%)2314(Top 64%)387(Top 66%)
10M10.00 mi0.40 mi3687+902414+51402+103008(Top 46%)2004(Top 55%)338(Top 58%)
10.5M10.50 mi0.50 mi3689-22416-2404-23661(Top 56%)2365(Top 65%)394(Top 68%)
12M12.00 mi1.50 mi3562+1272338+78396+83066(Top 47%)2009(Top 56%)342(Top 59%)
Finish13.11 mi1.11 mi3501+612303+35390+63202(Top 49%)2081(Top 58%)338(Top 58%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 47%
~flat
+5ft-3ft

Overall

3066

Males

2009

M35-39

342

2M→4M

2.0 - 4.0 mi

Top 51%
×4story building
+67ft-69ft

Overall

3353

Males

2243

M35-39

382

4M→6M

4.0 - 6.0 mi

Top 48%
×9story building
+123ft-9ft

Overall

3149

Males

2142

M35-39

359

6M→8M

6.0 - 8.0 mi

Top 74%
×12story building
+166ft-53ft

Overall

4842

Males

2997

M35-39

500

8M→9.6M

8.0 - 9.6 mi

Top 58%
×13story building
+68ft-193ft

Overall

3820

Males

2314

M35-39

387

9.6M→10M

9.6 - 10.0 mi

Top 46%
×2story building
+0ft-24ft

Overall

3008

Males

2004

M35-39

338

10M→10.5M

10.0 - 10.5 mi

Top 56%
×6story building
+1ft-73ft

Overall

3661

Males

2365

M35-39

394

10.5M→12M

10.5 - 12.0 mi

Top 47%
×21story building
+280ft-26ft

Overall

3066

Males

2009

M35-39

342

12M→Finish

12.0 - 13.1 mi

Top 49%
×7story building
+14ft-89ft

Overall

3202

Males

2081

M35-39

338

Passing Analysis

Category:
Athletes Passed
1108*
Passed By
671
Net Change
+437
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3938
2M → 4M36440+324#3938#3614
4M → 6M255*34+221#3614#3393
6M → 8M12*435-423#3393#3816
8M → 9.6M13596+39#3816#3777
9.6M → 10M999+90#3777#3687
10M → 10.5M911-2#3687#3689
10.5M → 12M161*34+127#3689#3562
12M → Finish73*12+61#3562#3501
TOTALS1108*671+437

* 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