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SF MARATHON 1ST HALF 2026

Dalanna Nguyen

Bib: 17564•F•Age: 26

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 38%
Gender (Female)
#0 / 2930
Top 25%
Division (F25-29)
#0 / 674
Top 28%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
19:01
Rank: #2268
Start → 2M
19:01 | 9:30/mi
4M
38:26
Rank: #2318 (-50)
2M → 4M
19:25 | 9:43/mi
6M
57:58
Rank: #2300 (+18)
4M → 6M
19:32 | 9:46/mi
8M
1:20:46
Rank: #2773 (-473)
6M → 8M
22:48 | 11:24/mi
9.6M
1:34:04
Rank: #2549 (+224)
8M → 9.6M
13:18 | 8:19/mi
10M
1:41:26
Rank: #2538 (+11)
9.6M → 10M
7:22 | 18:26/mi
10.5M
1:43:46
Rank: #2527 (+11)
10M → 10.5M
2:20 | 4:40/mi
12M
2:04:26
Rank: #2496 (+31)
10.5M → 12M
20:40 | 13:47/mi
Finish· 13.11 mi
2:15:14
Rank: #2476 (+20)
12M → Finish
10:48 | 9:44/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time57:58
Pace9:40 /mi
2nd Half
Distance7.11 mi
Time1:17:16
Pace10:52 /mi
📊Positive Split: 33.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:02:5419:019:3019:01
9:30
-
4M
4.00 mi07:22:1938:269:3719:25
9:43
+0:13
6M
6.00 mi07:41:5157:589:4019:32
9:46
+0:03
8M
8.00 mi08:04:391:20:4610:0622:48
11:24
+1:38
9.6M
9.60 mi08:17:571:34:049:4813:18
8:19
-3:05
10M
10.00 mi08:25:191:41:2610:097:22
18:26
+10:07
10.5M
10.50 mi08:27:391:43:469:532:20
4:40
-13:46
12M
12.00 mi08:48:192:04:2610:2220:40
13:47
+9:07
Finish
13.11 mi08:59:072:15:1410:1910:48
9:44
-4:03

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

4:40 /mi

Average Pace

10:19 /mi

Slowest Pace

18:26 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20

2% of race

Time at Steady Pace

1:44:52

78% of race

Time at Slower Pace

28:02

21% of race

Average Pace: 10:19 /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 mi07:02:5419:019:3019:01
9:30
#2268
4M
4.00 mi07:22:1938:269:3719:25
9:43
#2318
6M
6.00 mi07:41:5157:589:4019:32
9:46
#2300
8M
8.00 mi08:04:391:20:4610:0622:48
11:24
#2773
9.6M
9.60 mi08:17:571:34:049:4813:18
8:19
#2549
10M
10.00 mi08:25:191:41:2610:097:22
18:26
#2538
10.5M
10.50 mi08:27:391:43:469:532:20
4:40
#2527
12M
12.00 mi08:48:192:04:2610:2220:40
13:47
#2496
Finish
13.11 mi08:59:072:15:1410:1910:48
9:44
#2476
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 38%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:42

Segment Time

10:47/mi

Pace

0.90 mi

Distance

Overall

2472

Women

746

Division

187

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi22686361512534(Top 39%)801(Top 27%)209(Top 31%)
4M4.00 mi2.00 mi2318-50653-17156-52406(Top 37%)688(Top 23%)165(Top 24%)
6M6.00 mi2.00 mi2300+18650+3158-22370(Top 36%)681(Top 23%)168(Top 25%)
8M8.00 mi2.00 mi2773-473820-170198-403967(Top 60%)1376(Top 47%)343(Top 51%)
9.6M9.60 mi1.60 mi2549+224753+67181+171879(Top 29%)628(Top 21%)156(Top 23%)
10M10.00 mi0.40 mi2538+11752+1183-22638(Top 40%)835(Top 28%)202(Top 30%)
10.5M10.50 mi0.50 mi2527+11751+11832282(Top 35%)668(Top 23%)169(Top 25%)
12M12.00 mi1.50 mi2496+31748+3186-32534(Top 39%)801(Top 27%)209(Top 31%)
Finish13.11 mi1.11 mi2476+20735+13187-12537(Top 39%)801(Top 27%)223(Top 33%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 39%
~flat
+5ft-3ft

Overall

2534

Females

801

F25-29

209

2M→4M

2.0 - 4.0 mi

Top 37%
×4stories
+67ft-69ft

Overall

2406

Females

688

F25-29

165

4M→6M

4.0 - 6.0 mi

Top 36%
×9stories
+123ft-9ft

Overall

2370

Females

681

F25-29

168

6M→8M

6.0 - 8.0 mi

Top 60%
×12stories
+166ft-53ft

Overall

3967

Females

1376

F25-29

343

8M→9.6M

8.0 - 9.6 mi

Top 29%
×13stories
+68ft-193ft

Overall

1879

Females

628

F25-29

156

9.6M→10M

9.6 - 10.0 mi

Top 40%
×2stories
+0ft-24ft

Overall

2638

Females

835

F25-29

202

10M→10.5M

10.0 - 10.5 mi

Top 35%
×6stories
+1ft-73ft

Overall

2282

Females

668

F25-29

169

10.5M→12M

10.5 - 12.0 mi

Top 39%
×21stories
+280ft-26ft

Overall

2534

Females

801

F25-29

209

12M→Finish

12.0 - 13.1 mi

Top 39%
×7stories
+14ft-89ft

Overall

2537

Females

801

F25-29

223

Passing Analysis

Category:
Athletes Passed
652*
Passed By
860
Net Change
-208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2268
2M → 4M95145-50#2268#2318
4M → 6M9577+18#2318#2300
6M → 8M12*485-473#2300#2773
8M → 9.6M27147+224#2773#2549
9.6M → 10M3423+11#2549#2538
10M → 10.5M154+11#2538#2527
10.5M → 12M8756+31#2527#2496
12M → Finish43*23+20#2496#2476
TOTALS652*860-208

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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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