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SF MARATHON 1ST HALF 2026

Jonathen Chen

Bib: 19068•M•Age: 31

Cupertino, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M30-34)
#0 / 772
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
11:35/mi
23:11
→ flat
4M
11:56/mi
47:03
↑ 67↓ 69
6M
12:19/mi
1:11:42
↑ 1231.1%
8M
11:14/mi
1:34:10
↑ 166↓ 531.1%
9.6M
11:14/mi
1:52:08
↑ 68↓ 1931.5%
10M
19:34/mi
1:59:57
↓ 241.1%
10.5M
5:38/mi
2:02:46
↓ 732.7%
12M
15:00/mi
2:25:16
↑ 2803.2%
Finish· 13.11 mi
10:17/mi
2:36:40
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:11:42
Pace11:57 /mi
2nd Half
Distance7.11 mi
Time1:24:58
Pace11:57 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:06:5523:1111:3523:11
11:35
-
4M
4.00 mi07:30:4747:0311:4623:52
11:56
+0:21
6M
6.00 mi07:55:261:11:4211:5724:39
12:19
+0:23
8M
8.00 mi08:17:541:34:1011:4622:28
11:14
-1:05
9.6M
9.60 mi08:35:521:52:0811:4117:58
11:14
0:00
10M
10.00 mi08:43:411:59:5712:007:49
19:34
+8:20
10.5M
10.50 mi08:46:302:02:4611:422:49
5:38
-13:56
12M
12.00 mi09:09:002:25:1612:0622:30
15:00
+9:22
Finish
13.11 mi09:20:242:36:4011:5711:24
10:17
-4:43

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

5:38 /mi

Average Pace

11:57 /mi

Slowest Pace

19:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49

2% of race

Time at Steady Pace

2:03:32

79% of race

Time at Slower Pace

30:19

19% of race

Average Pace: 11:57 /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 mi07:06:5523:1111:3523:11
11:35
#5505
4M
4.00 mi07:30:4747:0311:4623:52
11:56
#5441
6M
6.00 mi07:55:261:11:4211:5724:39
12:19
#5405
8M
8.00 mi08:17:541:34:1011:4622:28
11:14
#4972
9.6M
9.60 mi08:35:521:52:0811:4117:58
11:14
#5087
10M
10.00 mi08:43:411:59:5712:007:49
19:34
#4911
10.5M
10.50 mi08:46:302:02:4611:422:49
5:38
#4900
12M
12.00 mi09:09:002:25:1612:0622:30
15:00
#4636
Finish
13.11 mi09:20:242:36:4011:5711:24
10:17
#4458
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 53%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:38

Segment Time

11:49/mi

Pace

0.90 mi

Distance

Overall

3473

Men

2247

Division

488

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi550532416903549(Top 54%)2241(Top 62%)488(Top 63%)
4M4.00 mi2.00 mi5441+643219+22684+65369(Top 82%)3183(Top 88%)679(Top 88%)
6M6.00 mi2.00 mi5405+363216+3687-35376(Top 82%)3198(Top 88%)688(Top 89%)
8M8.00 mi2.00 mi4972+4333043+173644+433796(Top 58%)2473(Top 68%)531(Top 69%)
9.6M9.60 mi1.60 mi5087-1153081-38662-185241(Top 80%)3024(Top 84%)647(Top 84%)
10M10.00 mi0.40 mi4911+1763002+79645+173262(Top 50%)2134(Top 59%)470(Top 61%)
10.5M10.50 mi0.50 mi4900+112992+10642+34719(Top 72%)2858(Top 79%)621(Top 80%)
12M12.00 mi1.50 mi4636+2642853+139610+323549(Top 54%)2241(Top 62%)488(Top 63%)
Finish13.11 mi1.11 mi4458+1782768+85591+193222(Top 49%)2088(Top 58%)471(Top 61%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 54%
~flat
+5ft-3ft

Overall

3549

Males

2241

M30-34

489

2M→4M

2.0 - 4.0 mi

Top 82%
×4story building
+67ft-69ft

Overall

5369

Males

3183

M30-34

682

4M→6M

4.0 - 6.0 mi

Top 82%
×9story building
+123ft-9ft

Overall

5376

Males

3198

M30-34

690

6M→8M

6.0 - 8.0 mi

Top 58%
×12story building
+166ft-53ft

Overall

3796

Males

2473

M30-34

533

8M→9.6M

8.0 - 9.6 mi

Top 80%
×13story building
+68ft-193ft

Overall

5241

Males

3024

M30-34

649

9.6M→10M

9.6 - 10.0 mi

Top 50%
×2story building
+0ft-24ft

Overall

3262

Males

2134

M30-34

471

10M→10.5M

10.0 - 10.5 mi

Top 72%
×6story building
+1ft-73ft

Overall

4719

Males

2858

M30-34

623

10.5M→12M

10.5 - 12.0 mi

Top 54%
×21story building
+280ft-26ft

Overall

3549

Males

2241

M30-34

489

12M→Finish

12.0 - 13.1 mi

Top 49%
×7story building
+14ft-89ft

Overall

3222

Males

2088

M30-34

471

Passing Analysis

Category:
Athletes Passed
1471*
Passed By
424
Net Change
+1047
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5505
2M → 4M162*98+64#5505#5441
4M → 6M135*99+36#5441#5405
6M → 8M440*7+433#5405#4972
8M → 9.6M69184-115#4972#5087
9.6M → 10M1793+176#5087#4911
10M → 10.5M176+11#4911#4900
10.5M → 12M290*26+264#4900#4636
12M → Finish179*1+178#4636#4458
TOTALS1471*424+1047

* 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