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SF MARATHON 1ST HALF 2026

Toby Nguyen

Mountain View, CA

Bib: 17436 M 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 28%
Gender (Male)
#0 / 3619
Top 37%
M20-29
#0 / 358
Top 47%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
9:32/mi
19:05
→ flat
12 ft elev
4M
9:40/mi
38:25
↑ 67↓ 69
10 ft elev
6M
9:22/mi
57:10
↑ 1231.1%
126 ft elev
8M
10:30/mi
1:18:10
↑ 166↓ 531.1%
246 ft elev
9.6M
7:29/mi
1:30:08
↑ 68↓ 1931.5%
126 ft elev
10M
16:21/mi
1:36:40
↓ 241.1%
90 ft elev
10.5M
4:26/mi
1:38:53
↓ 732.7%
18 ft elev
12M
12:50/mi
1:58:08
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
8:49/mi
2:07:55
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time57:10
Pace9:32 /mi
2nd Half
Distance7.11 mi
Time1:10:45
Pace9:57 /mi
📊Positive Split: 23.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:56:4219:059:3219:05
9:32
-
4M
4.00 mi07:16:0238:259:3619:20
9:40
+0:08
6M
6.00 mi07:34:4757:109:3218:45
9:22
-0:18
8M
8.00 mi07:55:471:18:109:4621:00
10:30
+1:08
9.6M
9.60 mi08:07:451:30:089:2311:58
7:29
-3:01
10M
10.00 mi08:14:171:36:409:406:32
16:21
+8:52
10.5M
10.50 mi08:16:301:38:539:252:13
4:26
-11:55
12M
12.00 mi08:35:451:58:089:5119:15
12:50
+8:24
Finish
13.11 mi08:45:322:07:559:459:47
8:49
-4:01

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

4:26 /mi

Average Pace

9:45 /mi

Slowest Pace

16:21 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:11

11% of race

Time at Steady Pace

1:27:57

69% of race

Time at Slower Pace

25:47

20% of race

Average Pace: 9:45 /mi

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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 mi06:56:4219:059:3219:05
9:32
#2322
4M
4.00 mi07:16:0238:259:3619:20
9:40
#2313
6M
6.00 mi07:34:4757:109:3218:45
9:22
#2131
8M
8.00 mi07:55:471:18:109:4621:00
10:30
#2317
9.6M
9.60 mi08:07:451:30:089:2311:58
7:29
#2037
10M
10.00 mi08:14:171:36:409:406:32
16:21
#1959
10.5M
10.50 mi08:16:301:38:539:252:13
4:26
#1946
12M
12.00 mi08:35:451:58:089:5119:15
12:50
#1909
Finish
13.11 mi08:45:322:07:559:459:47
8:49
#1829
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 22%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:45

Segment Time

9:43/mi

Pace

0.90 mi

Distance

Overall

1420

Men

1087

Division

140

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi2322165919718021300158
4M4.00 mi2.00 mi2313+91656+3204-723501684204
6M6.00 mi2.00 mi2131+1821557+99194+1018881407176
8M8.00 mi2.00 mi2317-1861684-127203-929802065229
9.6M9.60 mi1.60 mi2037+2801491+193184+191041715100
10M10.00 mi0.40 mi1959+781433+58179+514351082139
10.5M10.50 mi0.50 mi1946+131427+6177+216581248155
12M12.00 mi1.50 mi1909+371395+32172+518021300158
Finish13.11 mi1.11 mi1829+801346+49167+514481097146

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 27%
~flat
+5ft-3ft

Overall

1802

Males

1300

M20-24

159

2M→4M

2.0 - 4.0 mi

Top 36%
×4story building
+67ft-69ft

Overall

2350

Males

1684

M20-24

205

4M→6M

4.0 - 6.0 mi

Top 29%
×9story building
+123ft-9ft

Overall

1888

Males

1407

M20-24

177

6M→8M

6.0 - 8.0 mi

Top 45%
×12story building
+166ft-53ft

Overall

2980

Males

2065

M20-24

230

8M→9.6M

8.0 - 9.6 mi

Top 16%
×13story building
+68ft-193ft

Overall

1041

Males

715

M20-24

101

9.6M→10M

9.6 - 10.0 mi

Top 22%
×2story building
+0ft-24ft

Overall

1435

Males

1082

M20-24

140

10M→10.5M

10.0 - 10.5 mi

Top 25%
×6story building
+1ft-73ft

Overall

1658

Males

1248

M20-24

155

10.5M→12M

10.5 - 12.0 mi

Top 27%
×21story building
+280ft-26ft

Overall

1802

Males

1300

M20-24

159

12M→Finish

12.0 - 13.1 mi

Top 22%
×7story building
+14ft-89ft

Overall

1448

Males

1097

M20-24

146

Passing Analysis

Category:
Athletes Passed
947*
Passed By
454
Net Change
+493
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2322
2M → 4M122113+9#2322#2313
4M → 6M20018+182#2313#2131
6M → 8M53*239-186#2131#2317
8M → 9.6M29616+280#2317#2037
9.6M → 10M857+78#2037#1959
10M → 10.5M141+13#1959#1946
10.5M → 12M9356+37#1946#1909
12M → Finish84*4+80#1909#1829
TOTALS947*454+493

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

Passing Charts

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