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SF MARATHON 2ND HALF 2026

Gen Yuan (Bill) Chen

Bib: 25741•M•Age: 26

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 13%
Gender (Male)
#0 / 2065
Top 20%
Division (M25-29)
#0 / 503
Top 20%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:04/mi
18:08
↑ 138↓ 680.7%
4M
7:51/mi
33:49
↑ 1631.4%
6M
9:27/mi
52:43
↑ 55↓ 830.3%
8M
5:51/mi
1:04:25
↑ 65↓ 1510.8%
10M
7:58/mi
1:20:20
↑ 61↓ 1741.1%
12M
8:45/mi
1:37:51
↑ 41↓ 530.1%
Finish· 13.11 mi
8:10/mi
1:46:54
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time52:43
Pace8:47 /mi
2nd Half
Distance7.11 mi
Time54:11
Pace7:37 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:04:5818:089:0418:08
9:04
-
4M
4.00 mi09:20:3933:498:2715:41
7:51
-1:13
6M
6.00 mi09:39:3352:438:4718:54
9:27
+1:36
8M
8.00 mi09:51:151:04:258:0311:42
5:51
-3:36
10M
10.00 mi10:07:101:20:208:0215:55
7:58
+2:07
12M
12.00 mi10:24:411:37:518:0917:31
8:45
+0:47
Finish
13.11 mi10:33:441:46:548:099:03
8:10
-0:35

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

5:51 /mi

Average Pace

8:09 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

11:42

11% of race

Time at Steady Pace

40:39

38% of race

Time at Slower Pace

54:33

51% of race

Average Pace: 8:09 /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 mi09:04:5818:089:0418:08
9:04
#1251
4M
4.00 mi09:20:3933:498:2715:41
7:51
#935
6M
6.00 mi09:39:3352:438:4718:54
9:27
#658
8M
8.00 mi09:51:151:04:258:0311:42
5:51
#584
10M
10.00 mi10:07:101:20:208:0215:55
7:58
#527
12M
12.00 mi10:24:411:37:518:0917:31
8:45
#527
Finish
13.11 mi10:33:441:46:548:099:03
8:10
#518
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi1251883226602(Top 16%)461(Top 22%)124(Top 25%)
4M4.00 mi2.00 mi935+316681+202181+45682(Top 18%)520(Top 25%)136(Top 27%)
6M6.00 mi2.00 mi658+277501+180131+50357(Top 9%)281(Top 14%)75(Top 15%)
8M8.00 mi2.00 mi584+74455+46113+18361(Top 9%)289(Top 14%)76(Top 15%)
10M10.00 mi2.00 mi527+57417+38105+8379(Top 10%)305(Top 15%)78(Top 16%)
12M12.00 mi2.00 mi527409+8103+2602(Top 16%)461(Top 22%)124(Top 25%)
Finish13.11 mi1.11 mi518+9403+6102+1506(Top 13%)386(Top 19%)100(Top 20%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 16%
×9story building
+138ft-68ft

Overall

602

Males

461

M25-29

124

2M→4M

2.0 - 4.0 mi

Top 18%
×13story building
+163ft-19ft

Overall

682

Males

520

M25-29

136

4M→6M

4.0 - 6.0 mi

Top 9%
×4story building
+55ft-83ft

Overall

357

Males

281

M25-29

75

6M→8M

6.0 - 8.0 mi

Top 9%
×10story building
+65ft-151ft

Overall

361

Males

289

M25-29

76

8M→10M

8.0 - 10.0 mi

Top 10%
×10story building
+61ft-174ft

Overall

379

Males

305

M25-29

78

10M→12M

10.0 - 12.0 mi

Top 16%
×3story building
+41ft-53ft

Overall

602

Males

461

M25-29

124

12M→Finish

12.0 - 13.1 mi

Top 13%
×1human
+6ft-6ft

Overall

506

Males

386

M25-29

100

Passing Analysis

Category:
Athletes Passed
758*
Passed By
25
Net Change
+733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1251
2M → 4M3160+316#1251#935
4M → 6M2770+277#935#658
6M → 8M740+74#658#584
8M → 10M58*1+57#584#527
10M → 12M18180#527#527
12M → Finish156+9#527#518
TOTALS758*25+733

* 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