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SF MARATHON 1ST HALF 2026

Steven Cao

Irvine, CA

Bib: 12478 M 20

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
M20-29
#0 / 358
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
9:10/mi
18:20
→ flat
12 ft elev
4M
9:32/mi
37:24
↑ 67↓ 69
10 ft elev
6M
10:32/mi
58:28
↑ 1231.1%
126 ft elev
8M
11:15/mi
1:20:59
↑ 166↓ 531.1%
246 ft elev
9.6M
8:23/mi
1:34:24
↑ 68↓ 1931.5%
126 ft elev
10M
18:59/mi
1:41:59
↓ 241.1%
90 ft elev
10.5M
5:04/mi
1:44:31
↓ 732.7%
18 ft elev
12M
20:07/mi
2:14:42
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
21:03/mi
2:38:03
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
58:289:45 /mi⚡ faster
2nd Half
1:39:3514:00 /mi+70.3%
Positive split — 70.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:55:4118:209:1018:20
9:10
-
4M
4.00 mi07:14:4537:249:2119:04
9:32
+0:22
6M
6.00 mi07:35:4958:289:4521:04
10:32
+1:00
8M
8.00 mi07:58:201:20:5910:0722:31
11:15
+0:43
9.6M
9.60 mi08:11:451:34:249:5013:25
8:23
-2:52
10M
10.00 mi08:19:201:41:5910:127:35
18:59
+10:36
10.5M
10.50 mi08:21:521:44:319:572:32
5:04
-13:55
12M
12.00 mi08:52:032:14:4211:1430:11
20:07
+15:03
Finish
13.11 mi09:15:242:38:0312:0323:21
21:03
+0:56

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

5:04 /mi

Average Pace

12:03 /mi

Slowest Pace

21:03 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:32

2% of race

Time at Steady Pace

1:34:24

60% of race

Time at Slower Pace

1:01:07

39% of race

Average Pace: 12:03 /mi

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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.

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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 mi06:55:4118:209:1018:20
9:10
#1748
4M
4.00 mi07:14:4537:249:2119:04
9:32
#1951
6M
6.00 mi07:35:4958:289:4521:04
10:32
#2405
8M
8.00 mi07:58:201:20:5910:0722:31
11:15
#2820
9.6M
9.60 mi08:11:451:34:249:5013:25
8:23
#2606
10M
10.00 mi08:19:201:41:5910:127:35
18:59
#2610
10.5M
10.50 mi08:21:521:44:319:572:32
5:04
#2618
12M
12.00 mi08:52:032:14:4211:1430:11
20:07
#3556
Finish
13.11 mi09:15:242:38:0312:0323:21
21:03
#4580
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 45%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:07

Segment Time

11:15/mi

Pace

0.90 mi

Distance

Overall

2957

Men

1974

Division

228

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi1748130715961713433341
4M4.00 mi2.00 mi1951-2031444-137173-1421641579192
6M6.00 mi2.00 mi2405-4541711-267211-3833702248271
8M8.00 mi2.00 mi2820-4151973-262233-2238242495274
9.6M9.60 mi1.60 mi2606+2141825+148220+1319801307164
10M10.00 mi0.40 mi2610-41822+3217+329631978225
10.5M10.50 mi0.50 mi2618-81829-7219-233572196243
12M12.00 mi1.50 mi3556-9382334-505266-4761713433341
Finish13.11 mi1.11 mi4580-10242822-488306-4065533607358

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 94%
~flat
+5ft-3ft

Overall

6171

Males

3433

M20-24

342

2M→4M

2.0 - 4.0 mi

Top 33%
×4story building
+67ft-69ft

Overall

2164

Males

1579

M20-24

193

4M→6M

4.0 - 6.0 mi

Top 51%
×9story building
+123ft-9ft

Overall

3370

Males

2248

M20-24

274

6M→8M

6.0 - 8.0 mi

Top 58%
×12story building
+166ft-53ft

Overall

3824

Males

2495

M20-24

275

8M→9.6M

8.0 - 9.6 mi

Top 30%
×13story building
+68ft-193ft

Overall

1980

Males

1307

M20-24

165

9.6M→10M

9.6 - 10.0 mi

Top 45%
×2story building
+0ft-24ft

Overall

2963

Males

1978

M20-24

226

10M→10.5M

10.0 - 10.5 mi

Top 51%
×6story building
+1ft-73ft

Overall

3357

Males

2196

M20-24

244

10.5M→12M

10.5 - 12.0 mi

Top 94%
×21story building
+280ft-26ft

Overall

6171

Males

3433

M20-24

342

12M→Finish

12.0 - 13.1 mi

Top 100%
×7story building
+14ft-89ft

Overall

6553

Males

3607

M20-24

358

Passing Analysis

Category:
Athletes Passed
383*
Passed By
3215
Net Change
-2832
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1748
2M → 4M41244-203#1748#1951
4M → 6M6460-454#1951#2405
6M → 8M14*429-415#2405#2820
8M → 9.6M26753+214#2820#2606
9.6M → 10M3741-4#2606#2610
10M → 10.5M210-8#2610#2618
10.5M → 12M1939-938#2618#3556
12M → Finish15*1039-1024#3556#4580
TOTALS383*3215-2832

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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