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SF MARATHON 1ST HALF 2026

Niloy Sen

Bib: 17481•M•Age: 45

Danville, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M45-49)
#0 / 220
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
12:43/mi
25:26
→ flat
4M
11:46/mi
48:57
↑ 67↓ 69
6M
12:33/mi
1:14:03
↑ 1231.1%
8M
12:29/mi
1:39:01
↑ 166↓ 531.1%
9.6M
9:16/mi
1:53:51
↑ 68↓ 1931.5%
10M
18:09/mi
2:01:06
↓ 241.1%
10.5M
3:36/mi
2:02:54
↓ 732.7%
12M
17:52/mi
2:29:42
↑ 2803.2%
Finish· 13.11 mi
10:48/mi
2:41:41
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:14:03
Pace12:21 /mi
2nd Half
Distance7.11 mi
Time1:27:38
Pace12:20 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:11:2025:2612:4325:26
12:43
-
4M
4.00 mi07:34:5148:5712:1423:31
11:46
-0:57
6M
6.00 mi07:59:571:14:0312:2125:06
12:33
+0:47
8M
8.00 mi08:24:551:39:0112:2324:58
12:29
-0:04
9.6M
9.60 mi08:39:451:53:5111:5214:50
9:16
-3:13
10M
10.00 mi08:47:002:01:0612:077:15
18:09
+8:53
10.5M
10.50 mi08:48:482:02:5411:421:48
3:36
-14:33
12M
12.00 mi09:15:362:29:4212:2926:48
17:52
+14:16
Finish
13.11 mi09:27:352:41:4112:2011:59
10:48
-7:04

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

3:36 /mi

Average Pace

12:20 /mi

Slowest Pace

18:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:38

10% of race

Time at Steady Pace

1:51:00

69% of race

Time at Slower Pace

34:03

21% of race

Average Pace: 12:20 /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 mi07:11:2025:2612:4325:26
12:43
#6306
4M
4.00 mi07:34:5148:5712:1423:31
11:46
#5880
6M
6.00 mi07:59:571:14:0312:2125:06
12:33
#5770
8M
8.00 mi08:24:551:39:0112:2324:58
12:29
#5595
9.6M
9.60 mi08:39:451:53:5111:5214:50
9:16
#5266
10M
10.00 mi08:47:002:01:0612:077:15
18:09
#5039
10.5M
10.50 mi08:48:482:02:5411:421:48
3:36
#4914
12M
12.00 mi09:15:362:29:4212:2926:48
17:52
#5018
Finish
13.11 mi09:27:352:41:4112:2011:59
10:48
#4877
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 27%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:03

Segment Time

10:04/mi

Pace

0.90 mi

Distance

Overall

1769

Men

1309

Division

64

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2M2.00 mi2.00 mi630635462115358(Top 81%)3090(Top 85%)179(Top 81%)
4M4.00 mi2.00 mi5880+4263397+149194+175195(Top 79%)3111(Top 86%)174(Top 79%)
6M6.00 mi2.00 mi5770+1103355+42187+75554(Top 84%)3266(Top 90%)185(Top 84%)
8M8.00 mi2.00 mi5595+1753300+55185+25017(Top 76%)3072(Top 85%)183(Top 83%)
9.6M9.60 mi1.60 mi5266+3293158+142178+73084(Top 47%)1920(Top 53%)102(Top 46%)
10M10.00 mi0.40 mi5039+2273059+99172+62488(Top 38%)1717(Top 47%)90(Top 41%)
10.5M10.50 mi0.50 mi4914+1253001+58166+6172(Top 3%)160(Top 4%)4(Top 2%)
12M12.00 mi1.50 mi5018-1043026-25171-55358(Top 81%)3090(Top 85%)179(Top 81%)
Finish13.11 mi1.11 mi4877+1412953+73165+63818(Top 58%)2384(Top 66%)123(Top 56%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 81%
~flat
+5ft-3ft

Overall

5358

Males

3090

M45-49

179

2M→4M

2.0 - 4.0 mi

Top 79%
×4story building
+67ft-69ft

Overall

5195

Males

3111

M45-49

174

4M→6M

4.0 - 6.0 mi

Top 84%
×9story building
+123ft-9ft

Overall

5554

Males

3266

M45-49

185

6M→8M

6.0 - 8.0 mi

Top 76%
×12story building
+166ft-53ft

Overall

5017

Males

3072

M45-49

183

8M→9.6M

8.0 - 9.6 mi

Top 47%
×13story building
+68ft-193ft

Overall

3084

Males

1920

M45-49

102

9.6M→10M

9.6 - 10.0 mi

Top 38%
×2story building
+0ft-24ft

Overall

2488

Males

1717

M45-49

90

10M→10.5M

10.0 - 10.5 mi

Top 3%
×6story building
+1ft-73ft

Overall

172

Males

160

M45-49

4

10.5M→12M

10.5 - 12.0 mi

Top 81%
×21story building
+280ft-26ft

Overall

5358

Males

3090

M45-49

179

12M→Finish

12.0 - 13.1 mi

Top 58%
×7story building
+14ft-89ft

Overall

3818

Males

2384

M45-49

123

Passing Analysis

Category:
Athletes Passed
1687*
Passed By
258
Net Change
+1429
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6306
2M → 4M430*4+426#6306#5880
4M → 6M153*43+110#5880#5770
6M → 8M222*47+175#5770#5595
8M → 9.6M3345+329#5595#5266
9.6M → 10M2314+227#5266#5039
10M → 10.5M1250+125#5039#4914
10.5M → 12M46*150-104#4914#5018
12M → Finish146*5+141#5018#4877
TOTALS1687*258+1429

* 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