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SF MARATHON 1ST HALF 2026

Zach Chester

Bib: 20637•M•Age: 21

Gilbert, AZ

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

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
12:29/mi
24:59
→ flat
4M
13:10/mi
51:19
↑ 67↓ 69
6M
12:01/mi
1:15:21
↑ 1231.1%
8M
13:15/mi
1:41:51
↑ 166↓ 531.1%
9.6M
9:16/mi
1:56:40
↑ 68↓ 1931.5%
10M
26:09/mi
2:07:07
↓ 241.1%
10.5M
6:00/mi
2:10:07
↓ 732.7%
12M
14:59/mi
2:32:36
↑ 2803.2%
Finish· 13.11 mi
9:23/mi
2:43:00
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:15:21
Pace12:34 /mi
2nd Half
Distance7.11 mi
Time1:27:39
Pace12:20 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:14:4024:5912:2924:59
12:29
-
4M
4.00 mi07:41:0051:1912:5026:20
13:10
+0:41
6M
6.00 mi08:05:021:15:2112:3424:02
12:01
-1:09
8M
8.00 mi08:31:321:41:5112:4426:30
13:15
+1:14
9.6M
9.60 mi08:46:211:56:4012:0914:49
9:16
-3:59
10M
10.00 mi08:56:482:07:0712:4310:27
26:09
+16:53
10.5M
10.50 mi08:59:482:10:0712:243:00
6:00
-20:09
12M
12.00 mi09:22:172:32:3612:4322:29
14:59
+8:59
Finish
13.11 mi09:32:412:43:0012:2610:24
9:23
-5:36

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

6:00 /mi

Average Pace

12:26 /mi

Slowest Pace

26:09 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:13

17% of race

Time at Steady Pace

2:04:20

76% of race

Time at Slower Pace

10:27

6% of race

Average Pace: 12:26 /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 mi07:14:4024:5912:2924:59
12:29
#6219
4M
4.00 mi07:41:0051:1912:5026:20
13:10
#6217
6M
6.00 mi08:05:021:15:2112:3424:02
12:01
#5939
8M
8.00 mi08:31:321:41:5112:4426:30
13:15
#5882
9.6M
9.60 mi08:46:211:56:4012:0914:49
9:16
#5546
10M
10.00 mi08:56:482:07:0712:4310:27
26:09
#5625
10.5M
10.50 mi08:59:482:10:0712:243:00
6:00
#5618
12M
12.00 mi09:22:172:32:3612:4322:29
14:59
#5277
Finish
13.11 mi09:32:412:43:0012:2610:24
9:23
#4982
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 87%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:27

Segment Time

14:57/mi

Pace

0.90 mi

Distance

Overall

5747

Men

3273

Division

329

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi621935123533541(Top 54%)2237(Top 62%)248(Top 69%)
4M4.00 mi2.00 mi6217+23511+1352+16185(Top 94%)3489(Top 96%)348(Top 97%)
6M6.00 mi2.00 mi5939+2783418+93347+55092(Top 77%)3087(Top 85%)333(Top 93%)
8M8.00 mi2.00 mi5882+573401+17348-15611(Top 85%)3295(Top 91%)336(Top 94%)
9.6M9.60 mi1.60 mi5546+3363266+135341+73072(Top 47%)1913(Top 53%)221(Top 62%)
10M10.00 mi0.40 mi5625-793297-31343-25881(Top 89%)3317(Top 92%)331(Top 92%)
10.5M10.50 mi0.50 mi5618+73292+5342+15360(Top 82%)3119(Top 86%)323(Top 90%)
12M12.00 mi1.50 mi5277+3413140+152332+103541(Top 54%)2237(Top 62%)248(Top 69%)
Finish13.11 mi1.11 mi4982+2953000+140321+112111(Top 32%)1501(Top 41%)186(Top 52%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 54%
~flat
+5ft-3ft

Overall

3541

Males

2237

M20-24

249

2M→4M

2.0 - 4.0 mi

Top 94%
×4story building
+67ft-69ft

Overall

6185

Males

3489

M20-24

351

4M→6M

4.0 - 6.0 mi

Top 77%
×9story building
+123ft-9ft

Overall

5092

Males

3087

M20-24

336

6M→8M

6.0 - 8.0 mi

Top 85%
×12story building
+166ft-53ft

Overall

5611

Males

3295

M20-24

338

8M→9.6M

8.0 - 9.6 mi

Top 47%
×13story building
+68ft-193ft

Overall

3072

Males

1913

M20-24

222

9.6M→10M

9.6 - 10.0 mi

Top 89%
×2story building
+0ft-24ft

Overall

5881

Males

3317

M20-24

332

10M→10.5M

10.0 - 10.5 mi

Top 82%
×6story building
+1ft-73ft

Overall

5360

Males

3119

M20-24

324

10.5M→12M

10.5 - 12.0 mi

Top 54%
×21story building
+280ft-26ft

Overall

3541

Males

2237

M20-24

249

12M→Finish

12.0 - 13.1 mi

Top 32%
×7story building
+14ft-89ft

Overall

2111

Males

1501

M20-24

186

Passing Analysis

Category:
Athletes Passed
1550*
Passed By
313
Net Change
+1237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6219
2M → 4M93*91+2#6219#6217
4M → 6M286*8+278#6217#5939
6M → 8M141*84+57#5939#5882
8M → 9.6M3404+336#5882#5546
9.6M → 10M1594-79#5546#5625
10M → 10.5M1710+7#5625#5618
10.5M → 12M363*22+341#5618#5277
12M → Finish295*0+295#5277#4982
TOTALS1550*313+1237

* 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