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SF MARATHON 1ST HALF 2026

Calvin Ly

Bib: 14457•M•Age: 46

South San Francisco, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 38%
Gender (Male)
#0 / 3619
Top 48%
Masters (Masters Men)
#0 / 1030
Top 38%
Division (M45-49)
#0 / 220
Top 38%
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
9:28/mi
18:56
→ flat
4M
9:38/mi
38:12
↑ 67↓ 69
6M
9:52/mi
57:56
↑ 1231.1%
8M
9:42/mi
1:17:20
↑ 166↓ 531.1%
9.6M
9:42/mi
1:32:52
↑ 68↓ 1931.5%
10M
19:29/mi
1:40:39
↓ 241.1%
10.5M
5:12/mi
1:43:15
↓ 732.7%
12M
14:20/mi
2:04:45
↑ 2803.2%
Finish· 13.11 mi
9:37/mi
2:15:25
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time57:56
Pace9:39 /mi
2nd Half
Distance7.11 mi
Time1:17:29
Pace10:54 /mi
📊Positive Split: 33.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:56:1918:569:2818:56
9:28
-
4M
4.00 mi07:15:3538:129:3319:16
9:38
+0:10
6M
6.00 mi07:35:1957:569:3919:44
9:52
+0:14
8M
8.00 mi07:54:431:17:209:4019:24
9:42
-0:10
9.6M
9.60 mi08:10:151:32:529:4015:32
9:42
0:00
10M
10.00 mi08:18:021:40:3910:047:47
19:29
+9:47
10.5M
10.50 mi08:20:381:43:159:502:36
5:12
-14:17
12M
12.00 mi08:42:082:04:4510:2421:30
14:20
+9:08
Finish
13.11 mi08:52:482:15:2510:2010:40
9:37
-4:43

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

5:12 /mi

Average Pace

10:20 /mi

Slowest Pace

19:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36

2% of race

Time at Steady Pace

1:43:32

76% of race

Time at Slower Pace

29:17

22% of race

Average Pace: 10:20 /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 mi06:56:1918:569:2818:56
9:28
#2206
4M
4.00 mi07:15:3538:129:3319:16
9:38
#2231
6M
6.00 mi07:35:1957:569:3919:44
9:52
#2295
8M
8.00 mi07:54:431:17:209:4019:24
9:42
#2189
9.6M
9.60 mi08:10:151:32:529:4015:32
9:42
#2389
10M
10.00 mi08:18:021:40:3910:047:47
19:29
#2436
10.5M
10.50 mi08:20:381:43:159:502:36
5:12
#2461
12M
12.00 mi08:42:082:04:4510:2421:30
14:20
#2533
Finish
13.11 mi08:52:482:15:2510:2010:40
9:37
#2497
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 49%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:23

Segment Time

11:32/mi

Pace

0.90 mi

Distance

Overall

3209

Men

2117

Division

106

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2M2.00 mi2.00 mi22061587773012(Top 46%)1985(Top 55%)103(Top 47%)
4M4.00 mi2.00 mi2231-251614-2779-22310(Top 35%)1658(Top 46%)86(Top 39%)
6M6.00 mi2.00 mi2295-641644-3080-12477(Top 38%)1744(Top 48%)88(Top 40%)
8M8.00 mi2.00 mi2189+1061605+3979+12003(Top 30%)1495(Top 41%)79(Top 36%)
9.6M9.60 mi1.60 mi2389-2001693-8881-23604(Top 55%)2207(Top 61%)114(Top 52%)
10M10.00 mi0.40 mi2436-471718-2584-33197(Top 49%)2096(Top 58%)108(Top 49%)
10.5M10.50 mi0.50 mi2461-251735-17843624(Top 55%)2345(Top 65%)126(Top 57%)
12M12.00 mi1.50 mi2533-721764-2983+13012(Top 46%)1985(Top 55%)103(Top 47%)
Finish13.11 mi1.11 mi2497+361750+1484-12406(Top 37%)1652(Top 46%)84(Top 38%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 46%
~flat
+5ft-3ft

Overall

3012

Males

1985

M45-49

103

2M→4M

2.0 - 4.0 mi

Top 35%
×4story building
+67ft-69ft

Overall

2310

Males

1658

M45-49

86

4M→6M

4.0 - 6.0 mi

Top 38%
×9story building
+123ft-9ft

Overall

2477

Males

1744

M45-49

88

6M→8M

6.0 - 8.0 mi

Top 30%
×12story building
+166ft-53ft

Overall

2003

Males

1495

M45-49

79

8M→9.6M

8.0 - 9.6 mi

Top 55%
×13story building
+68ft-193ft

Overall

3604

Males

2207

M45-49

114

9.6M→10M

9.6 - 10.0 mi

Top 49%
×2story building
+0ft-24ft

Overall

3197

Males

2096

M45-49

108

10M→10.5M

10.0 - 10.5 mi

Top 55%
×6story building
+1ft-73ft

Overall

3624

Males

2345

M45-49

126

10.5M→12M

10.5 - 12.0 mi

Top 46%
×21story building
+280ft-26ft

Overall

3012

Males

1985

M45-49

103

12M→Finish

12.0 - 13.1 mi

Top 37%
×7story building
+14ft-89ft

Overall

2406

Males

1652

M45-49

84

Passing Analysis

Category:
Athletes Passed
475*
Passed By
766
Net Change
-291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2206
2M → 4M103128-25#2206#2231
4M → 6M62126-64#2231#2295
6M → 8M168*62+106#2295#2189
8M → 9.6M15215-200#2189#2389
9.6M → 10M1663-47#2389#2436
10M → 10.5M328-25#2436#2461
10.5M → 12M53125-72#2461#2533
12M → Finish55*19+36#2533#2497
TOTALS475*766-291

* 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