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SF MARATHON 1ST HALF 2026

Simeon Dong

Bib: 20314•M•Age: 23

Oakland, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 42%
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
11:18/mi
22:36
→ flat
4M
10:48/mi
44:11
↑ 67↓ 69
6M
10:28/mi
1:05:08
↑ 1231.1%
8M
11:50/mi
1:28:48
↑ 166↓ 531.1%
9.6M
7:34/mi
1:40:54
↑ 68↓ 1931.5%
10M
17:01/mi
1:47:42
↓ 241.1%
10.5M
4:38/mi
1:50:01
↓ 732.7%
12M
12:17/mi
2:08:27
↑ 2803.2%
Finish· 13.11 mi
8:57/mi
2:18:23
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:08
Pace10:51 /mi
2nd Half
Distance7.11 mi
Time1:13:15
Pace10:18 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:5722:3611:1822:36
11:18
-
4M
4.00 mi07:30:3244:1111:0321:35
10:48
-0:30
6M
6.00 mi07:51:291:05:0810:5120:57
10:28
-0:20
8M
8.00 mi08:15:091:28:4811:0623:40
11:50
+1:22
9.6M
9.60 mi08:27:151:40:5410:3112:06
7:34
-4:16
10M
10.00 mi08:34:031:47:4210:466:48
17:01
+9:27
10.5M
10.50 mi08:36:221:50:0110:292:19
4:38
-12:23
12M
12.00 mi08:54:482:08:2710:4218:26
12:17
+7:39
Finish
13.11 mi09:04:442:18:2310:339:56
8:57
-3:20

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

4:38 /mi

Average Pace

10:33 /mi

Slowest Pace

17:01 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:21

18% of race

Time at Steady Pace

1:47:14

77% of race

Time at Slower Pace

6:48

5% of race

Average Pace: 10:33 /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 mi07:08:5722:3611:1822:36
11:18
#5179
4M
4.00 mi07:30:3244:1111:0321:35
10:48
#4453
6M
6.00 mi07:51:291:05:0810:5120:57
10:28
#3985
8M
8.00 mi08:15:091:28:4811:0623:40
11:50
#4091
9.6M
9.60 mi08:27:151:40:5410:3112:06
7:34
#3518
10M
10.00 mi08:34:031:47:4210:466:48
17:01
#3346
10.5M
10.50 mi08:36:221:50:0110:292:19
4:38
#3313
12M
12.00 mi08:54:482:08:2710:4218:26
12:17
#2929
Finish
13.11 mi09:04:442:18:2310:339:56
8:57
#2781
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 28%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:07

Segment Time

10:08/mi

Pace

0.90 mi

Distance

Overall

1833

Men

1342

Division

169

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi517931053271433(Top 22%)1056(Top 29%)139(Top 39%)
4M4.00 mi2.00 mi4453+7262796+309310+173949(Top 60%)2556(Top 71%)292(Top 82%)
6M6.00 mi2.00 mi3985+4682584+212294+163256(Top 50%)2194(Top 61%)266(Top 74%)
8M8.00 mi2.00 mi4091-1062648-64300-64402(Top 67%)2790(Top 77%)299(Top 84%)
9.6M9.60 mi1.60 mi3518+5732331+317270+301115(Top 17%)756(Top 21%)107(Top 30%)
10M10.00 mi0.40 mi3346+1722237+94266+41834(Top 28%)1332(Top 37%)165(Top 46%)
10.5M10.50 mi0.50 mi3313+332221+16264+22204(Top 34%)1565(Top 43%)196(Top 55%)
12M12.00 mi1.50 mi2929+3841994+227234+301433(Top 22%)1056(Top 29%)139(Top 39%)
Finish13.11 mi1.11 mi2781+1481908+86225+91609(Top 24%)1193(Top 33%)156(Top 44%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 22%
~flat
+5ft-3ft

Overall

1433

Males

1056

M20-24

140

2M→4M

2.0 - 4.0 mi

Top 60%
×4story building
+67ft-69ft

Overall

3949

Males

2556

M20-24

294

4M→6M

4.0 - 6.0 mi

Top 50%
×9story building
+123ft-9ft

Overall

3256

Males

2194

M20-24

269

6M→8M

6.0 - 8.0 mi

Top 67%
×12story building
+166ft-53ft

Overall

4402

Males

2790

M20-24

301

8M→9.6M

8.0 - 9.6 mi

Top 17%
×13story building
+68ft-193ft

Overall

1115

Males

756

M20-24

108

9.6M→10M

9.6 - 10.0 mi

Top 28%
×2story building
+0ft-24ft

Overall

1834

Males

1332

M20-24

166

10M→10.5M

10.0 - 10.5 mi

Top 34%
×6story building
+1ft-73ft

Overall

2204

Males

1565

M20-24

196

10.5M→12M

10.5 - 12.0 mi

Top 22%
×21story building
+280ft-26ft

Overall

1433

Males

1056

M20-24

140

12M→Finish

12.0 - 13.1 mi

Top 24%
×7story building
+14ft-89ft

Overall

1609

Males

1193

M20-24

156

Passing Analysis

Category:
Athletes Passed
2642*
Passed By
244
Net Change
+2398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5179
2M → 4M74014+726#5179#4453
4M → 6M475*7+468#4453#3985
6M → 8M104*210-106#3985#4091
8M → 9.6M5730+573#4091#3518
9.6M → 10M1742+172#3518#3346
10M → 10.5M330+33#3346#3313
10.5M → 12M3928+384#3313#2929
12M → Finish151*3+148#2929#2781
TOTALS2642*244+2398

* 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