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SF MARATHON 1ST HALF 2026

Charles Ong

Eastvale, CA

Bib: 19148 M 43

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M40-44)
#0 / 319
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
9:45/mi
19:31
→ flat
12 ft elev
4M
10:07/mi
39:45
↑ 67↓ 69
10 ft elev
6M
11:34/mi
1:02:54
↑ 1231.1%
126 ft elev
8M
12:16/mi
1:27:26
↑ 166↓ 531.1%
246 ft elev
9.6M
8:45/mi
1:41:26
↑ 68↓ 1931.5%
126 ft elev
10M
20:11/mi
1:49:30
↓ 241.1%
90 ft elev
10.5M
5:28/mi
1:52:14
↓ 732.7%
18 ft elev
12M
16:07/mi
2:16:24
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
12:08/mi
2:29:51
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:02:54
Pace10:29 /mi
2nd Half
Distance7.11 mi
Time1:26:57
Pace12:14 /mi
📊Positive Split: 38.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:5719:319:4519:31
9:45
-
4M
4.00 mi07:29:1139:459:5620:14
10:07
+0:22
6M
6.00 mi07:52:201:02:5410:2923:09
11:34
+1:27
8M
8.00 mi08:16:521:27:2610:5624:32
12:16
+0:42
9.6M
9.60 mi08:30:521:41:2610:3414:00
8:45
-3:31
10M
10.00 mi08:38:561:49:3010:578:04
20:11
+11:26
10.5M
10.50 mi08:41:401:52:1410:412:44
5:28
-14:43
12M
12.00 mi09:05:502:16:2411:2224:10
16:07
+10:39
Finish
13.11 mi09:19:172:29:5111:2613:27
12:08
-3:59

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

5:28 /mi

Average Pace

11:26 /mi

Slowest Pace

20:11 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:44

11% of race

Time at Steady Pace

1:40:53

67% of race

Time at Slower Pace

32:14

22% of race

Average Pace: 11:26 /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 mi07:08:5719:319:4519:31
9:45
#2665
4M
4.00 mi07:29:1139:459:5620:14
10:07
#2762
6M
6.00 mi07:52:201:02:5410:2923:09
11:34
#3468
8M
8.00 mi08:16:521:27:2610:5624:32
12:16
#3863
9.6M
9.60 mi08:30:521:41:2610:3414:00
8:45
#3590
10M
10.00 mi08:38:561:49:3010:578:04
20:11
#3577
10.5M
10.50 mi08:41:401:52:1410:412:44
5:28
#3588
12M
12.00 mi09:05:502:16:2411:2224:10
16:07
#3715
Finish
13.11 mi09:19:172:29:5111:2613:27
12:08
#3828
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 56%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:48

Segment Time

12:00/mi

Pace

0.90 mi

Distance

Overall

3663

Men

2345

Division

200

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi2665186215642922618217
4M4.00 mi2.00 mi2762-971905-43160-429882041168
6M6.00 mi2.00 mi3468-7062298-393189-2945932864240
8M8.00 mi2.00 mi3863-3952516-218210-2148272992260
9.6M9.60 mi1.60 mi3590+2732370+146195+1524171565121
10M10.00 mi0.40 mi3577+132358+12192+335782284194
10.5M10.50 mi0.50 mi3588-112367-9193-142882666223
12M12.00 mi1.50 mi3715-1272418-51202-942922618217
Finish13.11 mi1.11 mi3828-1132469-51207-550032903244

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 65%
~flat
+5ft-3ft

Overall

4292

Males

2618

M40-44

217

2M→4M

2.0 - 4.0 mi

Top 45%
×4story building
+67ft-69ft

Overall

2988

Males

2041

M40-44

168

4M→6M

4.0 - 6.0 mi

Top 70%
×9story building
+123ft-9ft

Overall

4593

Males

2864

M40-44

240

6M→8M

6.0 - 8.0 mi

Top 73%
×12story building
+166ft-53ft

Overall

4827

Males

2992

M40-44

260

8M→9.6M

8.0 - 9.6 mi

Top 37%
×13story building
+68ft-193ft

Overall

2417

Males

1565

M40-44

121

9.6M→10M

9.6 - 10.0 mi

Top 54%
×2story building
+0ft-24ft

Overall

3578

Males

2284

M40-44

194

10M→10.5M

10.0 - 10.5 mi

Top 65%
×6story building
+1ft-73ft

Overall

4288

Males

2666

M40-44

223

10.5M→12M

10.5 - 12.0 mi

Top 65%
×21story building
+280ft-26ft

Overall

4292

Males

2618

M40-44

217

12M→Finish

12.0 - 13.1 mi

Top 76%
×7story building
+14ft-89ft

Overall

5003

Males

2903

M40-44

244

Passing Analysis

Category:
Athletes Passed
571*
Passed By
1734
Net Change
-1163
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2665
2M → 4M117214-97#2665#2762
4M → 6M8714-706#2762#3468
6M → 8M14*409-395#3468#3863
8M → 9.6M30431+273#3863#3590
9.6M → 10M5037+13#3590#3577
10M → 10.5M314-11#3577#3588
10.5M → 12M43*170-127#3588#3715
12M → Finish32*145-113#3715#3828
TOTALS571*1734-1163

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

Passing Charts

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