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SF MARATHON 1ST HALF 2026

Tyler Chew

Bib: 16444•M•Age: 28

Daly City, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 26%
Gender (Male)
#0 / 3619
Top 35%
Division (M25-29)
#0 / 796
Top 39%
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
8:56/mi
17:52
→ flat
4M
8:56/mi
35:44
↑ 67↓ 69
6M
8:49/mi
53:23
↑ 1231.1%
8M
8:59/mi
1:11:22
↑ 166↓ 531.1%
9.6M
8:59/mi
1:25:45
↑ 68↓ 1931.5%
10M
16:56/mi
1:32:31
↓ 241.1%
10.5M
4:14/mi
1:34:38
↓ 732.7%
12M
13:32/mi
1:54:56
↑ 2803.2%
Finish· 13.11 mi
10:11/mi
2:06:14
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:23
Pace8:54 /mi
2nd Half
Distance7.11 mi
Time1:12:51
Pace10:15 /mi
📊Positive Split: 36.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:58:2117:528:5617:52
8:56
-
4M
4.00 mi07:16:1335:448:5617:52
8:56
0:00
6M
6.00 mi07:33:5253:238:5417:39
8:49
-0:07
8M
8.00 mi07:51:511:11:228:5517:59
8:59
+0:10
9.6M
9.60 mi08:06:141:25:458:5614:23
8:59
0:00
10M
10.00 mi08:13:001:32:319:156:46
16:56
+7:57
10.5M
10.50 mi08:15:071:34:389:012:07
4:14
-12:42
12M
12.00 mi08:35:251:54:569:3520:18
13:32
+9:18
Finish
13.11 mi08:46:432:06:149:3811:18
10:11
-3:21

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

4:14 /mi

Average Pace

9:38 /mi

Slowest Pace

16:56 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07

2% of race

Time at Steady Pace

1:37:03

77% of race

Time at Slower Pace

27:04

21% of race

Average Pace: 9:38 /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 mi06:58:2117:528:5617:52
8:56
#1428
4M
4.00 mi07:16:1335:448:5617:52
8:56
#1387
6M
6.00 mi07:33:5253:238:5417:39
8:49
#1306
8M
8.00 mi07:51:511:11:228:5517:59
8:59
#1246
9.6M
9.60 mi08:06:141:25:458:5614:23
8:59
#1487
10M
10.00 mi08:13:001:32:319:156:46
16:56
#1498
10.5M
10.50 mi08:15:071:34:389:012:07
4:14
#1491
12M
12.00 mi08:35:251:54:569:3520:18
13:32
#1610
Finish
13.11 mi08:46:432:06:149:3811:18
10:11
#1685
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 24%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:53

Segment Time

9:52/mi

Pace

0.90 mi

Distance

Overall

1573

Men

1186

Division

289

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi142810942732357(Top 36%)1629(Top 45%)390(Top 49%)
4M4.00 mi2.00 mi1387+411076+18260+131333(Top 20%)1044(Top 29%)247(Top 31%)
6M6.00 mi2.00 mi1306+811028+48247+131223(Top 19%)974(Top 27%)243(Top 31%)
8M8.00 mi2.00 mi1246+601003+25242+51268(Top 19%)999(Top 28%)238(Top 30%)
9.6M9.60 mi1.60 mi1487-2411156-153281-392726(Top 41%)1728(Top 48%)411(Top 52%)
10M10.00 mi0.40 mi1498-111160-42811775(Top 27%)1296(Top 36%)312(Top 39%)
10.5M10.50 mi0.50 mi1491+71156+42811153(Top 18%)911(Top 25%)220(Top 28%)
12M12.00 mi1.50 mi1610-1191220-64296-152357(Top 36%)1629(Top 45%)390(Top 49%)
Finish13.11 mi1.11 mi1685-751270-50307-113093(Top 47%)2016(Top 56%)487(Top 61%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 36%
~flat
+5ft-3ft

Overall

2357

Males

1629

M25-29

391

2M→4M

2.0 - 4.0 mi

Top 20%
×4story building
+67ft-69ft

Overall

1333

Males

1044

M25-29

247

4M→6M

4.0 - 6.0 mi

Top 19%
×9story building
+123ft-9ft

Overall

1223

Males

974

M25-29

243

6M→8M

6.0 - 8.0 mi

Top 19%
×12story building
+166ft-53ft

Overall

1268

Males

999

M25-29

239

8M→9.6M

8.0 - 9.6 mi

Top 41%
×13story building
+68ft-193ft

Overall

2726

Males

1728

M25-29

412

9.6M→10M

9.6 - 10.0 mi

Top 27%
×2story building
+0ft-24ft

Overall

1775

Males

1296

M25-29

313

10M→10.5M

10.0 - 10.5 mi

Top 18%
×6story building
+1ft-73ft

Overall

1153

Males

911

M25-29

221

10.5M→12M

10.5 - 12.0 mi

Top 36%
×21story building
+280ft-26ft

Overall

2357

Males

1629

M25-29

391

12M→Finish

12.0 - 13.1 mi

Top 47%
×7story building
+14ft-89ft

Overall

3093

Males

2016

M25-29

487

Passing Analysis

Category:
Athletes Passed
436*
Passed By
693
Net Change
-257
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1428
2M → 4M9655+41#1428#1387
4M → 6M11837+81#1387#1306
6M → 8M14383+60#1306#1246
8M → 9.6M8249-241#1246#1487
9.6M → 10M1526-11#1487#1498
10M → 10.5M81+7#1498#1491
10.5M → 12M21140-119#1491#1610
12M → Finish27*102-75#1610#1685
TOTALS436*693-257

* 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