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SF MARATHON 2ND HALF 2026

Bo-Yen Chang

Bib: 26492•M•Age: 26

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Male)
#0 / 2065
Division (M25-29)
#0 / 503
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
11:53/mi
23:47
↑ 138↓ 680.7%
4M
11:45/mi
47:17
↑ 1631.4%
6M
14:05/mi
1:15:28
↑ 55↓ 830.3%
8M
9:14/mi
1:33:57
↑ 65↓ 1510.8%
10M
12:35/mi
1:59:06
↑ 61↓ 1741.1%
12M
12:29/mi
2:24:05
↑ 41↓ 530.1%
Finish· 13.11 mi
11:53/mi
2:37:16
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:15:28
Pace12:35 /mi
2nd Half
Distance7.11 mi
Time1:21:48
Pace11:30 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:16:5623:4711:5323:47
11:53
-
4M
4.00 mi09:40:2647:1711:4923:30
11:45
-0:08
6M
6.00 mi10:08:371:15:2812:3528:11
14:05
+2:20
8M
8.00 mi10:27:061:33:5711:4518:29
9:14
-4:51
10M
10.00 mi10:52:151:59:0611:5525:09
12:35
+3:21
12M
12.00 mi11:17:142:24:0512:0024:59
12:29
-0:06
Finish
13.11 mi11:30:252:37:1612:0013:11
11:53
-0:36

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

9:14 /mi

Average Pace

12:00 /mi

Slowest Pace

14:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:29

12% of race

Time at Steady Pace

1:25:27

54% of race

Time at Slower Pace

53:20

34% of race

Average Pace: 12:00 /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 mi09:16:5623:4711:5323:47
11:53
#3258
4M
4.00 mi09:40:2647:1711:4923:30
11:45
#3239
6M
6.00 mi10:08:371:15:2812:3528:11
14:05
#3144
8M
8.00 mi10:27:061:33:5711:4518:29
9:14
#3134
10M
10.00 mi10:52:151:59:0611:5525:09
12:35
#3099
12M
12.00 mi11:17:142:24:0512:0024:59
12:29
#3041
Finish
13.11 mi11:30:252:37:1612:0013:11
11:53
#2999
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi325818484622679(Top 70%)1562(Top 76%)389(Top 77%)
4M4.00 mi2.00 mi3239+191836+12455+73188(Top 83%)1808(Top 88%)448(Top 89%)
6M6.00 mi2.00 mi3144+951810+26453+22977(Top 78%)1742(Top 84%)434(Top 86%)
8M8.00 mi2.00 mi3134+101803+7451+23073(Top 80%)1764(Top 85%)445(Top 88%)
10M10.00 mi2.00 mi3099+351785+18442+93005(Top 78%)1740(Top 84%)436(Top 87%)
12M12.00 mi2.00 mi3041+581756+29437+52679(Top 70%)1562(Top 76%)389(Top 77%)
Finish13.11 mi1.11 mi2999+421738+18432+52615(Top 68%)1524(Top 74%)381(Top 76%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 70%
×9story building
+138ft-68ft

Overall

2679

Males

1562

M25-29

389

2M→4M

2.0 - 4.0 mi

Top 83%
×13story building
+163ft-19ft

Overall

3188

Males

1808

M25-29

448

4M→6M

4.0 - 6.0 mi

Top 78%
×4story building
+55ft-83ft

Overall

2977

Males

1742

M25-29

434

6M→8M

6.0 - 8.0 mi

Top 80%
×10story building
+65ft-151ft

Overall

3073

Males

1764

M25-29

445

8M→10M

8.0 - 10.0 mi

Top 78%
×10story building
+61ft-174ft

Overall

3005

Males

1740

M25-29

436

10M→12M

10.0 - 12.0 mi

Top 70%
×3story building
+41ft-53ft

Overall

2679

Males

1562

M25-29

389

12M→Finish

12.0 - 13.1 mi

Top 68%
×1human
+6ft-6ft

Overall

2615

Males

1524

M25-29

381

Passing Analysis

Category:
Athletes Passed
389*
Passed By
130
Net Change
+259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3258
2M → 4M9172+19#3258#3239
4M → 6M11116+95#3239#3144
6M → 8M33*23+10#3144#3134
8M → 10M45*10+35#3134#3099
10M → 12M646+58#3099#3041
12M → Finish45*3+42#3041#2999
TOTALS389*130+259

* 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