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SF MARATHON 1ST HALF 2026

Alex Zhu

Bib: 13115•M•Age: 24

Houston, TX

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
M20-29
#0 / 358
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
12:33/mi
25:07
→ flat
4M
13:09/mi
51:25
↑ 67↓ 69
6M
13:14/mi
1:17:54
↑ 1231.1%
8M
11:51/mi
1:41:35
↑ 166↓ 531.1%
9.6M
11:51/mi
2:00:32
↑ 68↓ 1931.5%
10M
23:34/mi
2:09:57
↓ 241.1%
10.5M
5:50/mi
2:12:52
↓ 732.7%
12M
14:40/mi
2:34:52
↑ 2803.2%
Finish· 13.11 mi
10:43/mi
2:46:45
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:17:54
Pace12:59 /mi
2nd Half
Distance7.11 mi
Time1:28:51
Pace12:30 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:11:1725:0712:3325:07
12:33
-
4M
4.00 mi07:37:3551:2512:5126:18
13:09
+0:36
6M
6.00 mi08:04:041:17:5412:5926:29
13:14
+0:05
8M
8.00 mi08:27:451:41:3512:4223:41
11:51
-1:23
9.6M
9.60 mi08:46:422:00:3212:3318:57
11:51
0:00
10M
10.00 mi08:56:072:09:5713:009:25
23:34
+11:43
10.5M
10.50 mi08:59:022:12:5212:392:55
5:50
-17:44
12M
12.00 mi09:21:022:34:5212:5422:00
14:40
+8:50
Finish
13.11 mi09:32:552:46:4512:4311:53
10:43
-3:57

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

5:50 /mi

Average Pace

12:43 /mi

Slowest Pace

23:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55

2% of race

Time at Steady Pace

2:34:25

93% of race

Time at Slower Pace

9:25

6% of race

Average Pace: 12:43 /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 mi07:11:1725:0712:3325:07
12:33
#6257
4M
4.00 mi07:37:3551:2512:5126:18
13:09
#6230
6M
6.00 mi08:04:041:17:5412:5926:29
13:14
#6177
8M
8.00 mi08:27:451:41:3512:4223:41
11:51
#5854
9.6M
9.60 mi08:46:422:00:3212:3318:57
11:51
#5900
10M
10.00 mi08:56:072:09:5713:009:25
23:34
#5875
10.5M
10.50 mi08:59:022:12:5212:392:55
5:50
#5845
12M
12.00 mi09:21:022:34:5212:5422:00
14:40
#5470
Finish
13.11 mi09:32:552:46:4512:4311:53
10:43
#5270
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 78%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:20

Segment Time

13:42/mi

Pace

0.90 mi

Distance

Overall

5108

Men

3014

Division

313

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi625735303553284(Top 50%)2110(Top 58%)236(Top 66%)
4M4.00 mi2.00 mi6230+273515+15353+26180(Top 94%)3488(Top 96%)347(Top 97%)
6M6.00 mi2.00 mi6177+533506+9354-15984(Top 91%)3431(Top 95%)351(Top 98%)
8M8.00 mi2.00 mi5854+3233389+117347+74417(Top 67%)2799(Top 77%)300(Top 84%)
9.6M9.60 mi1.60 mi5900-463397-8348-15718(Top 87%)3253(Top 90%)337(Top 94%)
10M10.00 mi0.40 mi5875+253384+133485196(Top 79%)3038(Top 84%)312(Top 87%)
10.5M10.50 mi0.50 mi5845+303374+10347+15084(Top 77%)3006(Top 83%)317(Top 89%)
12M12.00 mi1.50 mi5470+3753214+160338+93284(Top 50%)2110(Top 58%)236(Top 66%)
Finish13.11 mi1.11 mi5270+2003124+90331+73725(Top 57%)2345(Top 65%)262(Top 73%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 50%
~flat
+5ft-3ft

Overall

3284

Males

2110

M20-24

237

2M→4M

2.0 - 4.0 mi

Top 94%
×4story building
+67ft-69ft

Overall

6180

Males

3488

M20-24

350

4M→6M

4.0 - 6.0 mi

Top 91%
×9story building
+123ft-9ft

Overall

5984

Males

3431

M20-24

355

6M→8M

6.0 - 8.0 mi

Top 67%
×12story building
+166ft-53ft

Overall

4417

Males

2799

M20-24

302

8M→9.6M

8.0 - 9.6 mi

Top 87%
×13story building
+68ft-193ft

Overall

5718

Males

3253

M20-24

339

9.6M→10M

9.6 - 10.0 mi

Top 79%
×2story building
+0ft-24ft

Overall

5196

Males

3038

M20-24

313

10M→10.5M

10.0 - 10.5 mi

Top 77%
×6story building
+1ft-73ft

Overall

5084

Males

3006

M20-24

318

10.5M→12M

10.5 - 12.0 mi

Top 50%
×21story building
+280ft-26ft

Overall

3284

Males

2110

M20-24

237

12M→Finish

12.0 - 13.1 mi

Top 57%
×7story building
+14ft-89ft

Overall

3725

Males

2345

M20-24

262

Passing Analysis

Category:
Athletes Passed
1261*
Passed By
274
Net Change
+987
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6257
2M → 4M101*74+27#6257#6230
4M → 6M84*31+53#6230#6177
6M → 8M324*1+323#6177#5854
8M → 9.6M74120-46#5854#5900
9.6M → 10M5732+25#5900#5875
10M → 10.5M344+30#5875#5845
10.5M → 12M384*9+375#5845#5470
12M → Finish203*3+200#5470#5270
TOTALS1261*274+987

* 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