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SF MARATHON 2ND HALF 2026

Boyuan Chen

Bib: 26775•M•Age: 27

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 26%
Gender (Male)
#0 / 2065
Top 35%
Division (M25-29)
#0 / 503
Top 38%
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
9:03/mi
18:07
↑ 138↓ 680.7%
4M
8:23/mi
34:52
↑ 1631.4%
6M
10:59/mi
56:50
↑ 55↓ 830.3%
8M
6:44/mi
1:10:19
↑ 65↓ 1510.8%
10M
9:01/mi
1:28:20
↑ 61↓ 1741.1%
12M
9:21/mi
1:47:03
↑ 41↓ 530.1%
Finish· 13.11 mi
8:36/mi
1:56:35
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time56:50
Pace9:28 /mi
2nd Half
Distance7.11 mi
Time59:45
Pace8:24 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:04:2018:079:0318:07
9:03
-
4M
4.00 mi09:21:0534:528:4316:45
8:23
-0:40
6M
6.00 mi09:43:0356:509:2821:58
10:59
+2:36
8M
8.00 mi09:56:321:10:198:4713:29
6:44
-4:15
10M
10.00 mi10:14:331:28:208:5018:01
9:01
+2:17
12M
12.00 mi10:33:161:47:038:5518:43
9:21
+0:20
Finish
13.11 mi10:42:481:56:358:549:32
8:36
-0:45

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

6:44 /mi

Average Pace

8:54 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:14

26% of race

Time at Steady Pace

1:04:23

55% of race

Time at Slower Pace

21:58

19% of race

Average Pace: 8:54 /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 mi09:04:2018:079:0318:07
9:03
#1237
4M
4.00 mi09:21:0534:528:4316:45
8:23
#1168
6M
6.00 mi09:43:0356:509:2821:58
10:59
#1156
8M
8.00 mi09:56:321:10:198:4713:29
6:44
#1134
10M
10.00 mi10:14:331:28:208:5018:01
9:01
#1078
12M
12.00 mi10:33:161:47:038:5518:43
9:21
#1040
Finish
13.11 mi10:42:481:56:358:549:32
8:36
#994
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi1237876224956(Top 25%)677(Top 33%)180(Top 36%)
4M4.00 mi2.00 mi1168+69823+53214+101133(Top 30%)797(Top 39%)207(Top 41%)
6M6.00 mi2.00 mi1156+12813+10215-11203(Top 31%)845(Top 41%)224(Top 45%)
8M8.00 mi2.00 mi1134+22798+15214+11068(Top 28%)767(Top 37%)206(Top 41%)
10M10.00 mi2.00 mi1078+56766+32209+5946(Top 25%)691(Top 33%)191(Top 38%)
12M12.00 mi2.00 mi1040+38741+25200+9956(Top 25%)677(Top 33%)180(Top 36%)
Finish13.11 mi1.11 mi994+46717+24190+10714(Top 19%)538(Top 26%)141(Top 28%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 25%
×9story building
+138ft-68ft

Overall

956

Males

677

M25-29

180

2M→4M

2.0 - 4.0 mi

Top 30%
×13story building
+163ft-19ft

Overall

1133

Males

797

M25-29

207

4M→6M

4.0 - 6.0 mi

Top 31%
×4story building
+55ft-83ft

Overall

1203

Males

845

M25-29

224

6M→8M

6.0 - 8.0 mi

Top 28%
×10story building
+65ft-151ft

Overall

1068

Males

767

M25-29

206

8M→10M

8.0 - 10.0 mi

Top 25%
×10story building
+61ft-174ft

Overall

946

Males

691

M25-29

191

10M→12M

10.0 - 12.0 mi

Top 25%
×3story building
+41ft-53ft

Overall

956

Males

677

M25-29

180

12M→Finish

12.0 - 13.1 mi

Top 19%
×1human
+6ft-6ft

Overall

714

Males

538

M25-29

141

Passing Analysis

Category:
Athletes Passed
381*
Passed By
138
Net Change
+243
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1237
2M → 4M11950+69#1237#1168
4M → 6M6048+12#1168#1156
6M → 8M3513+22#1156#1134
8M → 10M62*6+56#1134#1078
10M → 12M5214+38#1078#1040
12M → Finish537+46#1040#994
TOTALS381*138+243

* 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