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SF MARATHON 1ST HALF 2026

Mai Nguyen

Bib: 20650•F•Age: 28

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F25-29)
#0 / 674
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
10:31/mi
21:02
→ flat
4M
12:40/mi
46:21
↑ 67↓ 69
6M
12:45/mi
1:11:52
↑ 1231.1%
8M
16:11/mi
1:44:14
↑ 166↓ 531.1%
9.6M
14:53/mi
2:08:03
↑ 68↓ 1931.5%
10M
32:40/mi
2:21:06
↓ 241.1%
10.5M
5:20/mi
2:23:46
↓ 732.7%
12M
19:07/mi
2:52:26
↑ 2803.2%
Finish· 13.11 mi
14:03/mi
3:08:01
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:11:52
Pace11:59 /mi
2nd Half
Distance7.11 mi
Time1:56:09
Pace16:20 /mi
📊Positive Split: 61.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:55:3021:0210:3121:02
10:31
-
4M
4.00 mi07:20:4946:2111:3525:19
12:40
+2:09
6M
6.00 mi07:46:201:11:5211:5925:31
12:45
+0:05
8M
8.00 mi08:18:421:44:1413:0232:22
16:11
+3:26
9.6M
9.60 mi08:42:312:08:0313:2023:49
14:53
-1:18
10M
10.00 mi08:55:342:21:0614:0713:03
32:40
+17:47
10.5M
10.50 mi08:58:142:23:4613:422:40
5:20
-27:20
12M
12.00 mi09:26:542:52:2614:2228:40
19:07
+13:47
Finish
13.11 mi09:42:293:08:0114:2115:35
14:03
-5:04

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

5:20 /mi

Average Pace

14:21 /mi

Slowest Pace

32:40 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40

1% of race

Time at Steady Pace

2:23:38

76% of race

Time at Slower Pace

41:43

22% of race

Average Pace: 14:20 /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 mi06:55:3021:0210:3121:02
10:31
#3962
4M
4.00 mi07:20:4946:2111:3525:19
12:40
#5287
6M
6.00 mi07:46:201:11:5211:5925:31
12:45
#5428
8M
8.00 mi08:18:421:44:1413:0232:22
16:11
#6066
9.6M
9.60 mi08:42:312:08:0313:2023:49
14:53
#6277
10M
10.00 mi08:55:342:21:0614:0713:03
32:40
#6339
10.5M
10.50 mi08:58:142:23:4613:422:40
5:20
#6313
12M
12.00 mi09:26:542:52:2614:2228:40
19:07
#6287
Finish
13.11 mi09:42:293:08:0114:2115:35
14:03
#6258
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 96%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

15:43

Segment Time

17:28/mi

Pace

0.90 mi

Distance

Overall

6343

Women

2811

Division

655

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi396213873405908(Top 90%)2562(Top 87%)615(Top 91%)
4M4.00 mi2.00 mi5287-13252106-719510-1705948(Top 90%)2524(Top 86%)600(Top 89%)
6M6.00 mi2.00 mi5428-1412183-77534-245698(Top 87%)2351(Top 80%)572(Top 85%)
8M8.00 mi2.00 mi6066-6382570-387613-796448(Top 98%)2840(Top 97%)656(Top 97%)
9.6M9.60 mi1.60 mi6277-2112723-153637-246537(Top 99%)2907(Top 99%)666(Top 99%)
10M10.00 mi0.40 mi6339-622763-40649-126512(Top 99%)2905(Top 99%)667(Top 99%)
10.5M10.50 mi0.50 mi6313+262750+13645+44018(Top 61%)1469(Top 50%)362(Top 54%)
12M12.00 mi1.50 mi6287+262741+9643+25908(Top 90%)2562(Top 87%)615(Top 91%)
Finish13.11 mi1.11 mi6258+292724+176435977(Top 91%)2609(Top 89%)625(Top 93%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 90%
~flat
+5ft-3ft

Overall

5908

Females

2562

F25-29

615

2M→4M

2.0 - 4.0 mi

Top 90%
×4story building
+67ft-69ft

Overall

5948

Females

2524

F25-29

602

4M→6M

4.0 - 6.0 mi

Top 87%
×9story building
+123ft-9ft

Overall

5698

Females

2351

F25-29

572

6M→8M

6.0 - 8.0 mi

Top 98%
×12story building
+166ft-53ft

Overall

6448

Females

2840

F25-29

657

8M→9.6M

8.0 - 9.6 mi

Top 99%
×13story building
+68ft-193ft

Overall

6537

Females

2907

F25-29

667

9.6M→10M

9.6 - 10.0 mi

Top 99%
×2story building
+0ft-24ft

Overall

6512

Females

2905

F25-29

668

10M→10.5M

10.0 - 10.5 mi

Top 61%
×6story building
+1ft-73ft

Overall

4018

Females

1469

F25-29

362

10.5M→12M

10.5 - 12.0 mi

Top 90%
×21story building
+280ft-26ft

Overall

5908

Females

2562

F25-29

615

12M→Finish

12.0 - 13.1 mi

Top 91%
×7story building
+14ft-89ft

Overall

5977

Females

2609

F25-29

625

Passing Analysis

Category:
Athletes Passed
204*
Passed By
2500
Net Change
-2296
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3962
2M → 4M101335-1325#3962#5287
4M → 6M78*219-141#5287#5428
6M → 8M6*644-638#5428#6066
8M → 9.6M2213-211#6066#6277
9.6M → 10M567-62#6277#6339
10M → 10.5M260+26#6339#6313
10.5M → 12M42*16+26#6313#6287
12M → Finish35*6+29#6287#6258
TOTALS204*2500-2296

* 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