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SF MARATHON 1ST HALF 2026

Boqian Shi

Bib: 19960•M•Age: 26

SANTA CLARA, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
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
11:05/mi
22:11
→ flat
4M
11:22/mi
44:54
↑ 67↓ 69
6M
11:06/mi
1:07:07
↑ 1231.1%
8M
10:24/mi
1:27:54
↑ 166↓ 531.1%
9.6M
10:24/mi
1:44:32
↑ 68↓ 1931.5%
10M
17:49/mi
1:51:39
↓ 241.1%
10.5M
4:38/mi
1:53:58
↓ 732.7%
12M
13:29/mi
2:14:12
↑ 2803.2%
Finish· 13.11 mi
9:49/mi
2:25:05
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:07:07
Pace11:11 /mi
2nd Half
Distance7.11 mi
Time1:17:58
Pace10:58 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:2522:1111:0522:11
11:05
-
4M
4.00 mi07:31:0844:5411:1422:43
11:22
+0:17
6M
6.00 mi07:53:211:07:0711:1122:13
11:06
-0:16
8M
8.00 mi08:14:081:27:5410:5920:47
10:24
-0:42
9.6M
9.60 mi08:30:461:44:3210:5316:38
10:24
0:00
10M
10.00 mi08:37:531:51:3911:107:07
17:49
+7:25
10.5M
10.50 mi08:40:121:53:5810:512:19
4:38
-13:11
12M
12.00 mi09:00:262:14:1211:1120:14
13:29
+8:51
Finish
13.11 mi09:11:192:25:0511:0410:53
9:49
-3:40

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

4:38 /mi

Average Pace

11:04 /mi

Slowest Pace

17:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19

2% of race

Time at Steady Pace

1:55:25

80% of race

Time at Slower Pace

27:21

19% of race

Average Pace: 11:04 /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 mi07:08:2522:1111:0522:11
11:05
#4840
4M
4.00 mi07:31:0844:5411:1422:43
11:22
#4769
6M
6.00 mi07:53:211:07:0711:1122:13
11:06
#4479
8M
8.00 mi08:14:081:27:5410:5920:47
10:24
#3942
9.6M
9.60 mi08:30:461:44:3210:5316:38
10:24
#3994
10M
10.00 mi08:37:531:51:3911:107:07
17:49
#3817
10.5M
10.50 mi08:40:121:53:5810:512:19
4:38
#3769
12M
12.00 mi09:00:262:14:1211:1120:14
13:29
#3503
Finish
13.11 mi09:11:192:25:0511:0410:53
9:49
#3416
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 33%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:26

Segment Time

10:29/mi

Pace

0.90 mi

Distance

Overall

2184

Men

1545

Division

378

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi484029736782331(Top 35%)1616(Top 45%)387(Top 49%)
4M4.00 mi2.00 mi4769+712945+28672+64682(Top 71%)2882(Top 80%)663(Top 83%)
6M6.00 mi2.00 mi4479+2902810+135643+294020(Top 61%)2577(Top 71%)601(Top 76%)
8M8.00 mi2.00 mi3942+5372563+247590+532847(Top 43%)1999(Top 55%)466(Top 59%)
9.6M9.60 mi1.60 mi3994-522570-7596-64447(Top 68%)2646(Top 73%)618(Top 78%)
10M10.00 mi0.40 mi3817+1772470+100575+212270(Top 35%)1589(Top 44%)386(Top 48%)
10.5M10.50 mi0.50 mi3769+482449+21572+32215(Top 34%)1571(Top 43%)373(Top 47%)
12M12.00 mi1.50 mi3503+2662308+141545+272331(Top 35%)1616(Top 45%)387(Top 49%)
Finish13.11 mi1.11 mi3416+872254+54532+132633(Top 40%)1784(Top 49%)428(Top 54%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 35%
~flat
+5ft-3ft

Overall

2331

Males

1616

M25-29

388

2M→4M

2.0 - 4.0 mi

Top 71%
×4story building
+67ft-69ft

Overall

4682

Males

2882

M25-29

665

4M→6M

4.0 - 6.0 mi

Top 61%
×9story building
+123ft-9ft

Overall

4020

Males

2577

M25-29

602

6M→8M

6.0 - 8.0 mi

Top 43%
×12story building
+166ft-53ft

Overall

2847

Males

1999

M25-29

467

8M→9.6M

8.0 - 9.6 mi

Top 68%
×13story building
+68ft-193ft

Overall

4447

Males

2646

M25-29

619

9.6M→10M

9.6 - 10.0 mi

Top 35%
×2story building
+0ft-24ft

Overall

2270

Males

1589

M25-29

387

10M→10.5M

10.0 - 10.5 mi

Top 34%
×6story building
+1ft-73ft

Overall

2215

Males

1571

M25-29

374

10.5M→12M

10.5 - 12.0 mi

Top 35%
×21story building
+280ft-26ft

Overall

2331

Males

1616

M25-29

388

12M→Finish

12.0 - 13.1 mi

Top 40%
×7story building
+14ft-89ft

Overall

2633

Males

1784

M25-29

428

Passing Analysis

Category:
Athletes Passed
1776*
Passed By
352
Net Change
+1424
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4840
2M → 4M226155+71#4840#4769
4M → 6M313*23+290#4769#4479
6M → 8M541*4+537#4479#3942
8M → 9.6M98150-52#3942#3994
9.6M → 10M1792+177#3994#3817
10M → 10.5M491+48#3817#3769
10.5M → 12M280*14+266#3769#3503
12M → Finish90*3+87#3503#3416
TOTALS1776*352+1424

* 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