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SF MARATHON 1ST HALF 2026

Andrew Tsai

Bib: 12303•M•Age: 29

Brooklyn, NY

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 23%
Gender (Male)
#0 / 3619
Top 32%
Division (M25-29)
#0 / 796
Top 35%
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
8:39/mi
17:19
→ flat
4M
8:58/mi
35:14
↑ 67↓ 69
6M
9:07/mi
53:28
↑ 1231.1%
8M
8:36/mi
1:10:40
↑ 166↓ 531.1%
9.6M
8:36/mi
1:24:25
↑ 68↓ 1931.5%
10M
16:26/mi
1:30:59
↓ 241.1%
10.5M
4:22/mi
1:33:10
↓ 732.7%
12M
13:16/mi
1:53:04
↑ 2803.2%
Finish· 13.11 mi
10:07/mi
2:04:17
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:28
Pace8:55 /mi
2nd Half
Distance7.11 mi
Time1:10:49
Pace9:58 /mi
📊Positive Split: 32.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:52:2217:198:3917:19
8:39
-
4M
4.00 mi07:10:1735:148:4917:55
8:58
+0:19
6M
6.00 mi07:28:3153:288:5518:14
9:07
+0:09
8M
8.00 mi07:45:431:10:408:5017:12
8:36
-0:31
9.6M
9.60 mi07:59:281:24:258:4813:45
8:36
0:00
10M
10.00 mi08:06:021:30:599:066:34
16:26
+7:50
10.5M
10.50 mi08:08:131:33:108:522:11
4:22
-12:04
12M
12.00 mi08:28:071:53:049:2519:54
13:16
+8:54
Finish
13.11 mi08:39:202:04:179:2911:13
10:07
-3:09

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

4:22 /mi

Average Pace

9:29 /mi

Slowest Pace

16:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11

2% of race

Time at Steady Pace

1:35:38

77% of race

Time at Slower Pace

26:28

21% of race

Average Pace: 9:29 /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 mi06:52:2217:198:3917:19
8:39
#1085
4M
4.00 mi07:10:1735:148:4917:55
8:58
#1210
6M
6.00 mi07:28:3153:288:5518:14
9:07
#1325
8M
8.00 mi07:45:431:10:408:5017:12
8:36
#1143
9.6M
9.60 mi07:59:281:24:258:4813:45
8:36
#1306
10M
10.00 mi08:06:021:30:599:066:34
16:26
#1309
10.5M
10.50 mi08:08:131:33:108:522:11
4:22
#1309
12M
12.00 mi08:28:071:53:049:2519:54
13:16
#1448
Finish
13.11 mi08:39:202:04:179:2911:13
10:07
#1513
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 22%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:45

Segment Time

9:43/mi

Pace

0.90 mi

Distance

Overall

1414

Men

1083

Division

266

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi10858622182157(Top 33%)1516(Top 42%)366(Top 46%)
4M4.00 mi2.00 mi1210-125952-90229-111383(Top 21%)1080(Top 30%)255(Top 32%)
6M6.00 mi2.00 mi1325-1151039-87249-201572(Top 24%)1204(Top 33%)290(Top 36%)
8M8.00 mi2.00 mi1143+182924+115219+30912(Top 14%)760(Top 21%)193(Top 24%)
9.6M9.60 mi1.60 mi1306-1631032-108251-322237(Top 34%)1467(Top 41%)359(Top 45%)
10M10.00 mi0.40 mi1309-31032250+11485(Top 23%)1113(Top 31%)262(Top 33%)
10.5M10.50 mi0.50 mi13091033-1253-31479(Top 22%)1143(Top 32%)279(Top 35%)
12M12.00 mi1.50 mi1448-1391115-82272-192157(Top 33%)1516(Top 42%)366(Top 46%)
Finish13.11 mi1.11 mi1513-651162-47277-52989(Top 45%)1964(Top 54%)473(Top 59%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 33%
~flat
+5ft-3ft

Overall

2157

Males

1516

M25-29

367

2M→4M

2.0 - 4.0 mi

Top 21%
×4story building
+67ft-69ft

Overall

1383

Males

1080

M25-29

255

4M→6M

4.0 - 6.0 mi

Top 24%
×9story building
+123ft-9ft

Overall

1572

Males

1204

M25-29

290

6M→8M

6.0 - 8.0 mi

Top 14%
×12story building
+166ft-53ft

Overall

912

Males

760

M25-29

193

8M→9.6M

8.0 - 9.6 mi

Top 34%
×13story building
+68ft-193ft

Overall

2237

Males

1467

M25-29

359

9.6M→10M

9.6 - 10.0 mi

Top 23%
×2story building
+0ft-24ft

Overall

1485

Males

1113

M25-29

263

10M→10.5M

10.0 - 10.5 mi

Top 22%
×6story building
+1ft-73ft

Overall

1479

Males

1143

M25-29

280

10.5M→12M

10.5 - 12.0 mi

Top 33%
×21story building
+280ft-26ft

Overall

2157

Males

1516

M25-29

367

12M→Finish

12.0 - 13.1 mi

Top 45%
×7story building
+14ft-89ft

Overall

2989

Males

1964

M25-29

473

Passing Analysis

Category:
Athletes Passed
368*
Passed By
796
Net Change
-428
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1085
2M → 4M26151-125#1085#1210
4M → 6M35150-115#1210#1325
6M → 8M20927+182#1325#1143
8M → 9.6M19182-163#1143#1306
9.6M → 10M2730-3#1306#1309
10M → 10.5M990#1309#1309
10.5M → 12M20159-139#1309#1448
12M → Finish23*88-65#1448#1513
TOTALS368*796-428

* 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