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SF MARATHON 1ST HALF 2026

Russell Jeffery

Bib: 16027•M•Age: 38

San Bruno, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 16%
Gender (Male)
#0 / 3619
Top 24%
Division (M35-39)
#0 / 582
Top 25%
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
8:17/mi
16:34
→ flat
4M
8:37/mi
33:48
↑ 67↓ 69
6M
8:45/mi
51:18
↑ 1231.1%
8M
8:34/mi
1:08:26
↑ 166↓ 531.1%
9.6M
8:34/mi
1:22:09
↑ 68↓ 1931.5%
10M
16:06/mi
1:28:35
↓ 241.1%
10.5M
4:14/mi
1:30:42
↓ 732.7%
12M
12:01/mi
1:48:44
↑ 2803.2%
Finish· 13.11 mi
8:58/mi
1:58:41
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time51:18
Pace8:33 /mi
2nd Half
Distance7.11 mi
Time1:07:23
Pace9:29 /mi
📊Positive Split: 31.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:54:4216:348:1716:34
8:17
-
4M
4.00 mi07:11:5633:488:2717:14
8:37
+0:20
6M
6.00 mi07:29:2651:188:3317:30
8:45
+0:08
8M
8.00 mi07:46:341:08:268:3317:08
8:34
-0:11
9.6M
9.60 mi08:00:171:22:098:3313:43
8:34
0:00
10M
10.00 mi08:06:431:28:358:526:26
16:06
+7:32
10.5M
10.50 mi08:08:501:30:428:382:07
4:14
-11:52
12M
12.00 mi08:26:521:48:449:0418:02
12:01
+7:47
Finish
13.11 mi08:36:491:58:419:039:57
8:58
-3:03

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

4:14 /mi

Average Pace

9:03 /mi

Slowest Pace

16:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07

2% of race

Time at Steady Pace

1:32:06

78% of race

Time at Slower Pace

24:28

21% of race

Average Pace: 9:03 /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 mi06:54:4216:348:1716:34
8:17
#713
4M
4.00 mi07:11:5633:488:2717:14
8:37
#828
6M
6.00 mi07:29:2651:188:3317:30
8:45
#903
8M
8.00 mi07:46:341:08:268:3317:08
8:34
#834
9.6M
9.60 mi08:00:171:22:098:3313:43
8:34
#981
10M
10.00 mi08:06:431:28:358:526:26
16:06
#984
10.5M
10.50 mi08:08:501:30:428:382:07
4:14
#979
12M
12.00 mi08:26:521:48:449:0418:02
12:01
#1002
Finish
13.11 mi08:36:491:58:419:039:57
8:58
#1050
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 18%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:33

Segment Time

9:30/mi

Pace

0.90 mi

Distance

Overall

1190

Men

937

Division

154

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi7135931061242(Top 19%)939(Top 26%)145(Top 25%)
4M4.00 mi2.00 mi828-115675-82124-18969(Top 15%)782(Top 22%)146(Top 25%)
6M6.00 mi2.00 mi903-75735-60137-131102(Top 17%)890(Top 25%)157(Top 27%)
8M8.00 mi2.00 mi834+69686+49127+10884(Top 13%)739(Top 20%)129(Top 22%)
9.6M9.60 mi1.60 mi981-147793-107145-182198(Top 33%)1445(Top 40%)239(Top 41%)
10M10.00 mi0.40 mi984-3796-3146-11298(Top 20%)987(Top 27%)160(Top 27%)
10.5M10.50 mi0.50 mi979+5792+4145+11119(Top 17%)887(Top 25%)147(Top 25%)
12M12.00 mi1.50 mi1002-23804-12138+71242(Top 19%)939(Top 26%)145(Top 25%)
Finish13.11 mi1.11 mi1050-48854-50148-101612(Top 25%)1196(Top 33%)194(Top 33%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 19%
~flat
+5ft-3ft

Overall

1242

Males

939

M35-39

145

2M→4M

2.0 - 4.0 mi

Top 15%
×4story building
+67ft-69ft

Overall

969

Males

782

M35-39

146

4M→6M

4.0 - 6.0 mi

Top 17%
×9story building
+123ft-9ft

Overall

1102

Males

890

M35-39

157

6M→8M

6.0 - 8.0 mi

Top 13%
×12story building
+166ft-53ft

Overall

884

Males

739

M35-39

129

8M→9.6M

8.0 - 9.6 mi

Top 33%
×13story building
+68ft-193ft

Overall

2198

Males

1445

M35-39

239

9.6M→10M

9.6 - 10.0 mi

Top 20%
×2story building
+0ft-24ft

Overall

1298

Males

987

M35-39

160

10M→10.5M

10.0 - 10.5 mi

Top 17%
×6story building
+1ft-73ft

Overall

1119

Males

887

M35-39

147

10.5M→12M

10.5 - 12.0 mi

Top 19%
×21story building
+280ft-26ft

Overall

1242

Males

939

M35-39

145

12M→Finish

12.0 - 13.1 mi

Top 25%
×7story building
+14ft-89ft

Overall

1612

Males

1196

M35-39

194

Passing Analysis

Category:
Athletes Passed
257*
Passed By
594
Net Change
-337
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#713
2M → 4M26141-115#713#828
4M → 6M2095-75#828#903
6M → 8M11849+69#903#834
8M → 9.6M8155-147#834#981
9.6M → 10M1316-3#981#984
10M → 10.5M72+5#984#979
10.5M → 12M4265-23#979#1002
12M → Finish23*71-48#1002#1050
TOTALS257*594-337

* 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