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SF MARATHON 1ST HALF 2026

Aline Nguyen

Bib: 18178•F•Age: 39

Elk Grove, CA

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

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
11:15/mi
22:31
→ flat
4M
12:14/mi
46:59
↑ 67↓ 69
6M
12:14/mi
1:11:27
↑ 1231.1%
8M
12:18/mi
1:36:04
↑ 166↓ 531.1%
9.6M
12:18/mi
1:55:45
↑ 68↓ 1931.5%
10M
23:24/mi
2:05:06
↓ 241.1%
10.5M
6:18/mi
2:08:15
↓ 732.7%
12M
18:13/mi
2:35:34
↑ 2803.2%
Finish· 13.11 mi
12:53/mi
2:49:51
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:11:27
Pace11:55 /mi
2nd Half
Distance7.11 mi
Time1:38:24
Pace13:50 /mi
📊Positive Split: 37.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:1822:3111:1522:31
11:15
-
4M
4.00 mi07:32:4646:5911:4524:28
12:14
+0:59
6M
6.00 mi07:57:141:11:2711:5524:28
12:14
0:00
8M
8.00 mi08:21:511:36:0412:0024:37
12:18
+0:04
9.6M
9.60 mi08:41:321:55:4512:0319:41
12:18
0:00
10M
10.00 mi08:50:532:05:0612:319:21
23:24
+11:06
10.5M
10.50 mi08:54:022:08:1512:133:09
6:18
-17:06
12M
12.00 mi09:21:212:35:3412:5827:19
18:13
+11:55
Finish
13.11 mi09:35:382:49:5112:5714:17
12:53
-5:20

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

6:18 /mi

Average Pace

12:57 /mi

Slowest Pace

23:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09

2% of race

Time at Steady Pace

2:10:02

77% of race

Time at Slower Pace

36:40

22% of race

Average Pace: 12:57 /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 mi07:08:1822:3111:1522:31
11:15
#5135
4M
4.00 mi07:32:4646:5911:4524:28
12:14
#5421
6M
6.00 mi07:57:141:11:2711:5524:28
12:14
#5366
8M
8.00 mi08:21:511:36:0412:0024:37
12:18
#5226
9.6M
9.60 mi08:41:321:55:4512:0319:41
12:18
#5461
10M
10.00 mi08:50:532:05:0612:319:21
23:24
#5445
10.5M
10.50 mi08:54:022:08:1512:133:09
6:18
#5462
12M
12.00 mi09:21:212:35:3412:5827:19
18:13
#5529
Finish
13.11 mi09:35:382:49:5112:5714:17
12:53
#5543
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 79%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:30

Segment Time

13:54/mi

Pace

0.90 mi

Distance

Overall

5224

Women

2150

Division

271

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi513520292545539(Top 84%)2358(Top 80%)312(Top 80%)
4M4.00 mi2.00 mi5421-2862189-160267-135639(Top 86%)2328(Top 79%)282(Top 73%)
6M6.00 mi2.00 mi5366+552145+44263+45304(Top 81%)2119(Top 72%)255(Top 66%)
8M8.00 mi2.00 mi5226+1402055+90255+84870(Top 74%)1839(Top 63%)242(Top 62%)
9.6M9.60 mi1.60 mi5461-2352206-151272-176001(Top 91%)2592(Top 88%)335(Top 86%)
10M10.00 mi0.40 mi5445+162202+4270+25129(Top 78%)2097(Top 72%)262(Top 68%)
10.5M10.50 mi0.50 mi5462-172213-11272-25695(Top 87%)2413(Top 82%)305(Top 79%)
12M12.00 mi1.50 mi5529-672271-58284-125539(Top 84%)2358(Top 80%)312(Top 80%)
Finish13.11 mi1.11 mi5543-142289-18292-85505(Top 84%)2353(Top 80%)309(Top 80%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 84%
~flat
+5ft-3ft

Overall

5539

Females

2358

F35-39

312

2M→4M

2.0 - 4.0 mi

Top 86%
×4story building
+67ft-69ft

Overall

5639

Females

2328

F35-39

283

4M→6M

4.0 - 6.0 mi

Top 81%
×9story building
+123ft-9ft

Overall

5304

Females

2119

F35-39

255

6M→8M

6.0 - 8.0 mi

Top 74%
×12story building
+166ft-53ft

Overall

4870

Females

1839

F35-39

242

8M→9.6M

8.0 - 9.6 mi

Top 91%
×13story building
+68ft-193ft

Overall

6001

Females

2592

F35-39

335

9.6M→10M

9.6 - 10.0 mi

Top 78%
×2story building
+0ft-24ft

Overall

5129

Females

2097

F35-39

262

10M→10.5M

10.0 - 10.5 mi

Top 87%
×6story building
+1ft-73ft

Overall

5695

Females

2413

F35-39

305

10.5M→12M

10.5 - 12.0 mi

Top 84%
×21story building
+280ft-26ft

Overall

5539

Females

2358

F35-39

312

12M→Finish

12.0 - 13.1 mi

Top 84%
×7story building
+14ft-89ft

Overall

5505

Females

2353

F35-39

309

Passing Analysis

Category:
Athletes Passed
549*
Passed By
957
Net Change
-408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5135
2M → 4M63349-286#5135#5421
4M → 6M138*83+55#5421#5366
6M → 8M200*60+140#5366#5226
8M → 9.6M12247-235#5226#5461
9.6M → 10M4731+16#5461#5445
10M → 10.5M522-17#5445#5462
10.5M → 12M37*104-67#5462#5529
12M → Finish47*61-14#5529#5543
TOTALS549*957-408

* 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