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SF MARATHON 1ST HALF 2026

Libin Babu

Bib: 18524•M•Age: 40

Sunnyvale, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 35%
Gender (Male)
#0 / 3619
Top 46%
Masters (Masters Men)
#0 / 1030
Top 36%
Division (M40-44)
#0 / 319
Top 42%
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
10:38/mi
21:16
→ flat
4M
10:25/mi
42:06
↑ 67↓ 69
6M
9:58/mi
1:02:03
↑ 1231.1%
8M
9:18/mi
1:20:40
↑ 166↓ 531.1%
9.6M
9:18/mi
1:35:33
↑ 68↓ 1931.5%
10M
17:39/mi
1:42:36
↓ 241.1%
10.5M
4:48/mi
1:45:00
↓ 732.7%
12M
12:31/mi
2:03:46
↑ 2803.2%
Finish· 13.11 mi
8:44/mi
2:13:27
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:02:03
Pace10:21 /mi
2nd Half
Distance7.11 mi
Time1:11:24
Pace10:03 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:56:3921:1610:3821:16
10:38
-
4M
4.00 mi07:17:2942:0610:3220:50
10:25
-0:13
6M
6.00 mi07:37:261:02:0310:2119:57
9:58
-0:27
8M
8.00 mi07:56:031:20:4010:0518:37
9:18
-0:40
9.6M
9.60 mi08:10:561:35:339:5714:53
9:18
0:00
10M
10.00 mi08:17:591:42:3610:167:03
17:39
+8:21
10.5M
10.50 mi08:20:231:45:0010:002:24
4:48
-12:51
12M
12.00 mi08:39:092:03:4610:1918:46
12:31
+7:43
Finish
13.11 mi08:48:502:13:2710:119:41
8:44
-3:47

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

4:48 /mi

Average Pace

10:11 /mi

Slowest Pace

17:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24

2% of race

Time at Steady Pace

1:45:14

79% of race

Time at Slower Pace

25:49

19% of race

Average Pace: 10:11 /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 mi06:56:3921:1610:3821:16
10:38
#4140
4M
4.00 mi07:17:2942:0610:3220:50
10:25
#3731
6M
6.00 mi07:37:261:02:0310:2119:57
9:58
#3277
8M
8.00 mi07:56:031:20:4010:0518:37
9:18
#2755
9.6M
9.60 mi08:10:561:35:339:5714:53
9:18
#2783
10M
10.00 mi08:17:591:42:3610:167:03
17:39
#2689
10.5M
10.50 mi08:20:231:45:0010:002:24
4:48
#2684
12M
12.00 mi08:39:092:03:4610:1918:46
12:31
#2433
Finish
13.11 mi08:48:502:13:2710:119:41
8:44
#2333
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 33%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:27

Segment Time

10:30/mi

Pace

0.90 mi

Distance

Overall

2196

Men

1550

Division

127

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi414026522281574(Top 24%)1153(Top 32%)84(Top 26%)
4M4.00 mi2.00 mi3731+4092440+212201+273399(Top 52%)2270(Top 63%)190(Top 60%)
6M6.00 mi2.00 mi3277+4542203+237176+252637(Top 40%)1848(Top 51%)146(Top 46%)
8M8.00 mi2.00 mi2755+5221933+270158+181589(Top 24%)1216(Top 34%)106(Top 33%)
9.6M9.60 mi1.60 mi2783-281918+15157+13145(Top 48%)1957(Top 54%)160(Top 50%)
10M10.00 mi0.40 mi2689+941869+49152+52181(Top 33%)1526(Top 42%)124(Top 39%)
10.5M10.50 mi0.50 mi2684+51864+5153-12601(Top 40%)1784(Top 49%)150(Top 47%)
12M12.00 mi1.50 mi2433+2511708+156138+151574(Top 24%)1153(Top 32%)84(Top 26%)
Finish13.11 mi1.11 mi2333+1001649+59135+31350(Top 21%)1031(Top 28%)82(Top 26%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 24%
~flat
+5ft-3ft

Overall

1574

Males

1153

M40-44

84

2M→4M

2.0 - 4.0 mi

Top 52%
×4story building
+67ft-69ft

Overall

3399

Males

2270

M40-44

190

4M→6M

4.0 - 6.0 mi

Top 40%
×9story building
+123ft-9ft

Overall

2637

Males

1848

M40-44

146

6M→8M

6.0 - 8.0 mi

Top 24%
×12story building
+166ft-53ft

Overall

1589

Males

1216

M40-44

106

8M→9.6M

8.0 - 9.6 mi

Top 48%
×13story building
+68ft-193ft

Overall

3145

Males

1957

M40-44

160

9.6M→10M

9.6 - 10.0 mi

Top 33%
×2story building
+0ft-24ft

Overall

2181

Males

1526

M40-44

124

10M→10.5M

10.0 - 10.5 mi

Top 40%
×6story building
+1ft-73ft

Overall

2601

Males

1784

M40-44

150

10.5M→12M

10.5 - 12.0 mi

Top 24%
×21story building
+280ft-26ft

Overall

1574

Males

1153

M40-44

84

12M→Finish

12.0 - 13.1 mi

Top 21%
×7story building
+14ft-89ft

Overall

1350

Males

1031

M40-44

82

Passing Analysis

Category:
Athletes Passed
1992*
Passed By
185
Net Change
+1807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4140
2M → 4M43829+409#4140#3731
4M → 6M460*6+454#3731#3277
6M → 8M526*4+522#3277#2755
8M → 9.6M97125-28#2755#2783
9.6M → 10M984+94#2783#2689
10M → 10.5M94+5#2689#2684
10.5M → 12M2598+251#2684#2433
12M → Finish105*5+100#2433#2333
TOTALS1992*185+1807

* 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