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SF MARATHON 1ST HALF 2026

Melissa Nguyen

Palo Alto, CA

Bib: 18201 F 36

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
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
10:44/mi
21:29
→ flat
12 ft elev
4M
11:28/mi
44:25
↑ 67↓ 69
10 ft elev
6M
12:34/mi
1:09:33
↑ 1231.1%
126 ft elev
8M
12:42/mi
1:34:58
↑ 166↓ 531.1%
246 ft elev
9.6M
12:42/mi
1:55:18
↑ 68↓ 1931.5%
126 ft elev
10M
26:12/mi
2:05:46
↓ 241.1%
90 ft elev
10.5M
6:08/mi
2:08:50
↓ 732.7%
18 ft elev
12M
23:56/mi
2:44:44
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
13:49/mi
3:00:04
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:09:3311:36 /mi⚡ faster
2nd Half
1:50:3115:33 /mi+58.9%
Positive split — 58.9% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
21:2910:442.00 mi21:29
10:44
-
4M
44:2511:062.00 mi22:56
11:28
+0:44
6M
1:09:3311:362.00 mi25:08
12:34
+1:06
8M
1:34:5811:522.00 mi25:25
12:42
+0:08
9.6M
1:55:1812:011.60 mi20:20
12:42
0:00
10M
2:05:4612:350.40 mi10:28
26:12
+13:30
10.5M
2:08:5012:160.50 mi3:04
6:08
-20:04
12M
2:44:4413:441.50 mi35:54
23:56
+17:48
Finish(13.11 mi)
3:00:0413:441.11 mi15:20
13:49
-10:07
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

6:08 /mi

Average Pace

13:44 /mi

Slowest Pace

26:12 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:04

2% of race

Time at Steady Pace

2:10:38

73% of race

Time at Slower Pace

46:22

26% of race

Average Pace: 13:44 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 88%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:32

Segment Time

15:02/mi

Pace

0.90 mi

Distance

Overall

5791

Women

2480

Division

322

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi4297155519465262913387
4M2.00 mi4570-2731697-142210-1648311870229
6M2.00 mi5036-4661955-258238-2855782286280
8M2.00 mi5086-501971-16246-851882020266
9.6M1.60 mi5427-3412184-213267-2161792693346
10M0.40 mi5499-722237-53277-1058902546337
10.5M0.50 mi5498+12237276+155502334290
12M1.50 mi6047-5492583-346335-5965262913387
Finish(13.11 mi)1.11 mi6049-22588-5336-159262583340

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 99%
~flat
+5ft-3ft

Overall

6526

Females

2913

F35-39

387

2M→4M

2.0 - 4.0 mi

Top 73%
×4story building
+67ft-69ft

Overall

4831

Females

1870

F35-39

229

4M→6M

4.0 - 6.0 mi

Top 85%
×9story building
+123ft-9ft

Overall

5578

Females

2286

F35-39

280

6M→8M

6.0 - 8.0 mi

Top 79%
×12story building
+166ft-53ft

Overall

5188

Females

2020

F35-39

266

8M→9.6M

8.0 - 9.6 mi

Top 94%
×13story building
+68ft-193ft

Overall

6179

Females

2693

F35-39

346

9.6M→10M

9.6 - 10.0 mi

Top 90%
×2story building
+0ft-24ft

Overall

5890

Females

2546

F35-39

337

10M→10.5M

10.0 - 10.5 mi

Top 84%
×6story building
+1ft-73ft

Overall

5550

Females

2334

F35-39

290

10.5M→12M

10.5 - 12.0 mi

Top 99%
×21story building
+280ft-26ft

Overall

6526

Females

2913

F35-39

387

12M→Finish

12.0 - 13.1 mi

Top 90%
×7story building
+14ft-89ft

Overall

5926

Females

2583

F35-39

340

Passing Analysis

Category:
Passed
305*
Passed By
2057
Net Change
-1752
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4297
2M → 4M92365-273#4297#4570
4M → 6M45*511-466#4570#5036
6M → 8M111*161-50#5036#5086
8M → 9.6M3344-341#5086#5427
9.6M → 10M2294-72#5427#5499
10M → 10.5M65+1#5499#5498
10.5M → 12M1*550-549#5498#6047
12M → Finish25*27-2#6047#6049
TOTALS305*2057-1752

* 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

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