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SF MARATHON 1ST HALF 2026

Jason Ren

Bib: 15803•M•Age: 22

Austin, TX

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 38%
Gender (Male)
#0 / 3619
Top 48%
M20-29
#0 / 358
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
9:55/mi
19:50
→ flat
4M
10:03/mi
39:55
↑ 67↓ 69
6M
9:59/mi
59:53
↑ 1231.1%
8M
9:42/mi
1:19:18
↑ 166↓ 531.1%
9.6M
9:42/mi
1:34:50
↑ 68↓ 1931.5%
10M
17:54/mi
1:41:59
↓ 241.1%
10.5M
4:54/mi
1:44:26
↓ 732.7%
12M
13:36/mi
2:04:50
↑ 2803.2%
Finish· 13.11 mi
9:21/mi
2:15:12
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time59:53
Pace9:59 /mi
2nd Half
Distance7.11 mi
Time1:15:19
Pace10:36 /mi
📊Positive Split: 25.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:59:5819:509:5519:50
9:55
-
4M
4.00 mi07:20:0339:559:5920:05
10:03
+0:08
6M
6.00 mi07:40:0159:539:5919:58
9:59
-0:04
8M
8.00 mi07:59:261:19:189:5519:25
9:42
-0:17
9.6M
9.60 mi08:14:581:34:509:5315:32
9:42
0:00
10M
10.00 mi08:22:071:41:5910:127:09
17:54
+8:12
10.5M
10.50 mi08:24:341:44:269:572:27
4:54
-13:00
12M
12.00 mi08:44:582:04:5010:2420:24
13:36
+8:42
Finish
13.11 mi08:55:202:15:1210:1910:22
9:21
-4:15

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

4:54 /mi

Average Pace

10:19 /mi

Slowest Pace

17:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27

2% of race

Time at Steady Pace

1:45:12

78% of race

Time at Slower Pace

27:33

20% of race

Average Pace: 10:19 /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 mi06:59:5819:509:5519:50
9:55
#2891
4M
4.00 mi07:20:0339:559:5920:05
10:03
#2829
6M
6.00 mi07:40:0159:539:5919:58
9:59
#2736
8M
8.00 mi07:59:261:19:189:5519:25
9:42
#2527
9.6M
9.60 mi08:14:581:34:509:5315:32
9:42
#2659
10M
10.00 mi08:22:071:41:5910:127:09
17:54
#2608
10.5M
10.50 mi08:24:341:44:269:572:27
4:54
#2612
12M
12.00 mi08:44:582:04:5010:2420:24
13:36
#2538
Finish
13.11 mi08:55:202:15:1210:1910:22
9:21
#2475
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 36%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:36

Segment Time

10:40/mi

Pace

0.90 mi

Distance

Overall

2350

Men

1649

Division

195

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi289119842282417(Top 37%)1668(Top 46%)193(Top 54%)
4M4.00 mi2.00 mi2829+621951+33233-52865(Top 44%)1976(Top 55%)236(Top 66%)
6M6.00 mi2.00 mi2736+931896+55230+32649(Top 40%)1855(Top 51%)221(Top 62%)
8M8.00 mi2.00 mi2527+2091797+99214+162013(Top 31%)1501(Top 41%)169(Top 47%)
9.6M9.60 mi1.60 mi2659-1321854-57223-93608(Top 55%)2210(Top 61%)246(Top 69%)
10M10.00 mi0.40 mi2608+511820+34216+72320(Top 35%)1624(Top 45%)191(Top 53%)
10.5M10.50 mi0.50 mi2612-41824-4218-22862(Top 44%)1930(Top 53%)221(Top 62%)
12M12.00 mi1.50 mi2538+741768+56210+82417(Top 37%)1668(Top 46%)193(Top 54%)
Finish13.11 mi1.11 mi2475+631736+32209+12069(Top 31%)1481(Top 41%)185(Top 52%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 37%
~flat
+5ft-3ft

Overall

2417

Males

1668

M20-24

194

2M→4M

2.0 - 4.0 mi

Top 44%
×4story building
+67ft-69ft

Overall

2865

Males

1976

M20-24

238

4M→6M

4.0 - 6.0 mi

Top 40%
×9story building
+123ft-9ft

Overall

2649

Males

1855

M20-24

223

6M→8M

6.0 - 8.0 mi

Top 31%
×12story building
+166ft-53ft

Overall

2013

Males

1501

M20-24

170

8M→9.6M

8.0 - 9.6 mi

Top 55%
×13story building
+68ft-193ft

Overall

3608

Males

2210

M20-24

247

9.6M→10M

9.6 - 10.0 mi

Top 35%
×2story building
+0ft-24ft

Overall

2320

Males

1624

M20-24

192

10M→10.5M

10.0 - 10.5 mi

Top 44%
×6story building
+1ft-73ft

Overall

2862

Males

1930

M20-24

222

10.5M→12M

10.5 - 12.0 mi

Top 37%
×21story building
+280ft-26ft

Overall

2417

Males

1668

M20-24

194

12M→Finish

12.0 - 13.1 mi

Top 31%
×7story building
+14ft-89ft

Overall

2069

Males

1481

M20-24

185

Passing Analysis

Category:
Athletes Passed
875*
Passed By
459
Net Change
+416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2891
2M → 4M183121+62#2891#2829
4M → 6M15057+93#2829#2736
6M → 8M252*43+209#2736#2527
8M → 9.6M36168-132#2527#2659
9.6M → 10M6211+51#2659#2608
10M → 10.5M37-4#2608#2612
10.5M → 12M11945+74#2612#2538
12M → Finish70*7+63#2538#2475
TOTALS875*459+416

* 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