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SF MARATHON 1ST HALF 2026

Samuel Chacko

Bib: 17861•M•Age: 44

San Jose, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M40-44)
#0 / 319
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
9:45/mi
19:30
→ flat
4M
10:20/mi
40:09
↑ 67↓ 69
6M
10:56/mi
1:02:02
↑ 1231.1%
8M
11:19/mi
1:24:41
↑ 166↓ 531.1%
9.6M
11:19/mi
1:42:48
↑ 68↓ 1931.5%
10M
21:39/mi
1:51:27
↓ 241.1%
10.5M
5:10/mi
1:54:02
↓ 732.7%
12M
18:38/mi
2:21:59
↑ 2803.2%
Finish· 13.11 mi
13:16/mi
2:36:42
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:02:02
Pace10:20 /mi
2nd Half
Distance7.11 mi
Time1:34:40
Pace13:19 /mi
📊Positive Split: 52.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:05:3519:309:4519:30
9:45
-
4M
4.00 mi07:26:1440:0910:0220:39
10:20
+0:35
6M
6.00 mi07:48:071:02:0210:2021:53
10:56
+0:36
8M
8.00 mi08:10:461:24:4110:3522:39
11:19
+0:23
9.6M
9.60 mi08:28:531:42:4810:4218:07
11:19
0:00
10M
10.00 mi08:37:321:51:2711:098:39
21:39
+10:20
10.5M
10.50 mi08:40:071:54:0210:522:35
5:10
-16:29
12M
12.00 mi09:08:042:21:5911:5027:57
18:38
+13:28
Finish
13.11 mi09:22:472:36:4211:5714:43
13:16
-5:22

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

5:10 /mi

Average Pace

11:57 /mi

Slowest Pace

21:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35

2% of race

Time at Steady Pace

1:57:31

75% of race

Time at Slower Pace

36:36

23% of race

Average Pace: 11:57 /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 mi07:05:3519:309:4519:30
9:45
#2655
4M
4.00 mi07:26:1440:0910:0220:39
10:20
#2923
6M
6.00 mi07:48:071:02:0210:2021:53
10:56
#3275
8M
8.00 mi08:10:461:24:4110:3522:39
11:19
#3409
9.6M
9.60 mi08:28:531:42:4810:4218:07
11:19
#3763
10M
10.00 mi08:37:321:51:2711:098:39
21:39
#3790
10.5M
10.50 mi08:40:071:54:0210:522:35
5:10
#3785
12M
12.00 mi09:08:042:21:5911:5027:57
18:38
#4273
Finish
13.11 mi09:22:472:36:4211:5714:43
13:16
#4463
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 63%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:14

Segment Time

12:29/mi

Pace

0.90 mi

Distance

Overall

4154

Men

2576

Division

217

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi265518561555732(Top 87%)3245(Top 90%)282(Top 88%)
4M4.00 mi2.00 mi2923-2682008-152166-113269(Top 50%)2204(Top 61%)184(Top 58%)
6M6.00 mi2.00 mi3275-3522201-193175-93820(Top 58%)2483(Top 69%)200(Top 63%)
8M8.00 mi2.00 mi3409-1342274-73185-103886(Top 59%)2525(Top 70%)213(Top 67%)
9.6M9.60 mi1.60 mi3763-3542455-181202-175316(Top 81%)3062(Top 85%)263(Top 82%)
10M10.00 mi0.40 mi3790-272457-2203-14386(Top 67%)2668(Top 74%)225(Top 71%)
10.5M10.50 mi0.50 mi3785+52458-1205-23616(Top 55%)2341(Top 65%)193(Top 61%)
12M12.00 mi1.50 mi4273-4882674-216220-155732(Top 87%)3245(Top 90%)282(Top 88%)
Finish13.11 mi1.11 mi4463-1902771-97234-145699(Top 87%)3221(Top 89%)274(Top 86%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 87%
~flat
+5ft-3ft

Overall

5732

Males

3245

M40-44

282

2M→4M

2.0 - 4.0 mi

Top 50%
×4story building
+67ft-69ft

Overall

3269

Males

2204

M40-44

184

4M→6M

4.0 - 6.0 mi

Top 58%
×9story building
+123ft-9ft

Overall

3820

Males

2483

M40-44

200

6M→8M

6.0 - 8.0 mi

Top 59%
×12story building
+166ft-53ft

Overall

3886

Males

2525

M40-44

213

8M→9.6M

8.0 - 9.6 mi

Top 81%
×13story building
+68ft-193ft

Overall

5316

Males

3062

M40-44

263

9.6M→10M

9.6 - 10.0 mi

Top 67%
×2story building
+0ft-24ft

Overall

4386

Males

2668

M40-44

225

10M→10.5M

10.0 - 10.5 mi

Top 55%
×6story building
+1ft-73ft

Overall

3616

Males

2341

M40-44

193

10.5M→12M

10.5 - 12.0 mi

Top 87%
×21story building
+280ft-26ft

Overall

5732

Males

3245

M40-44

282

12M→Finish

12.0 - 13.1 mi

Top 87%
×7story building
+14ft-89ft

Overall

5699

Males

3221

M40-44

274

Passing Analysis

Category:
Athletes Passed
276*
Passed By
2084
Net Change
-1808
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2655
2M → 4M71339-268#2655#2923
4M → 6M37389-352#2923#3275
6M → 8M75*209-134#3275#3409
8M → 9.6M3357-354#3409#3763
9.6M → 10M3865-27#3763#3790
10M → 10.5M1510+5#3790#3785
10.5M → 12M10*498-488#3785#4273
12M → Finish27*217-190#4273#4463
TOTALS276*2084-1808

* 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