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SF MARATHON 1ST HALF 2026

Julian Van Giessen

Bib: 14918•M•Age: 36

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 32%
Gender (Male)
#0 / 3619
Top 41%
Division (M35-39)
#0 / 582
Top 44%
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
10:11/mi
20:22
→ flat
4M
10:13/mi
40:47
↑ 67↓ 69
6M
10:24/mi
1:01:36
↑ 1231.1%
8M
10:37/mi
1:22:51
↑ 166↓ 531.1%
9.6M
6:56/mi
1:33:57
↑ 68↓ 1931.5%
10M
16:06/mi
1:40:23
↓ 241.1%
10.5M
4:46/mi
1:42:46
↓ 732.7%
12M
11:51/mi
2:00:32
↑ 2803.2%
Finish· 13.11 mi
9:05/mi
2:10:36
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:01:36
Pace10:16 /mi
2nd Half
Distance7.11 mi
Time1:09:00
Pace9:42 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:06:5620:2210:1120:22
10:11
-
4M
4.00 mi07:27:2140:4710:1220:25
10:13
+0:02
6M
6.00 mi07:48:101:01:3610:1620:49
10:24
+0:11
8M
8.00 mi08:09:251:22:5110:2121:15
10:37
+0:13
9.6M
9.60 mi08:20:311:33:579:4711:06
6:56
-3:41
10M
10.00 mi08:26:571:40:2310:026:26
16:06
+9:10
10.5M
10.50 mi08:29:201:42:469:472:23
4:46
-11:20
12M
12.00 mi08:47:062:00:3210:0317:46
11:51
+7:05
Finish
13.11 mi08:57:102:10:369:5810:04
9:05
-2:46

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

4:46 /mi

Average Pace

9:58 /mi

Slowest Pace

16:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:29

10% of race

Time at Steady Pace

1:32:55

71% of race

Time at Slower Pace

24:12

19% of race

Average Pace: 9:58 /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 mi07:06:5620:2210:1120:22
10:11
#3333
4M
4.00 mi07:27:2140:4710:1220:25
10:13
#3179
6M
6.00 mi07:48:101:01:3610:1620:49
10:24
#3171
8M
8.00 mi08:09:251:22:5110:2121:15
10:37
#3122
9.6M
9.60 mi08:20:311:33:579:4711:06
6:56
#2531
10M
10.00 mi08:26:571:40:2310:026:26
16:06
#2409
10.5M
10.50 mi08:29:201:42:469:472:23
4:46
#2404
12M
12.00 mi08:47:062:00:3210:0317:46
11:51
#2131
Finish
13.11 mi08:57:102:10:369:5810:04
9:05
#2079
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 23%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:49

Segment Time

9:48/mi

Pace

0.90 mi

Distance

Overall

1504

Men

1144

Division

192

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi333322183861125(Top 17%)870(Top 24%)137(Top 24%)
4M4.00 mi2.00 mi3179+1542147+71368+183102(Top 47%)2106(Top 58%)357(Top 61%)
6M6.00 mi2.00 mi3171+82146+1359+93158(Top 48%)2146(Top 59%)360(Top 62%)
8M8.00 mi2.00 mi3122+492136+103593137(Top 48%)2143(Top 59%)363(Top 62%)
9.6M9.60 mi1.60 mi2531+5911779+357302+57646(Top 10%)483(Top 13%)73(Top 13%)
10M10.00 mi0.40 mi2409+1221702+77293+91311(Top 20%)995(Top 27%)163(Top 28%)
10.5M10.50 mi0.50 mi2404+51699+3292+12509(Top 38%)1731(Top 48%)295(Top 51%)
12M12.00 mi1.50 mi2131+2731523+176260+321125(Top 17%)870(Top 24%)137(Top 24%)
Finish13.11 mi1.11 mi2079+521495+28256+41737(Top 26%)1272(Top 35%)205(Top 35%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 17%
~flat
+5ft-3ft

Overall

1125

Males

870

M35-39

137

2M→4M

2.0 - 4.0 mi

Top 47%
×4story building
+67ft-69ft

Overall

3102

Males

2106

M35-39

357

4M→6M

4.0 - 6.0 mi

Top 48%
×9story building
+123ft-9ft

Overall

3158

Males

2146

M35-39

360

6M→8M

6.0 - 8.0 mi

Top 48%
×12story building
+166ft-53ft

Overall

3137

Males

2143

M35-39

363

8M→9.6M

8.0 - 9.6 mi

Top 10%
×13story building
+68ft-193ft

Overall

646

Males

483

M35-39

73

9.6M→10M

9.6 - 10.0 mi

Top 20%
×2story building
+0ft-24ft

Overall

1311

Males

995

M35-39

163

10M→10.5M

10.0 - 10.5 mi

Top 38%
×6story building
+1ft-73ft

Overall

2509

Males

1731

M35-39

295

10.5M→12M

10.5 - 12.0 mi

Top 17%
×21story building
+280ft-26ft

Overall

1125

Males

870

M35-39

137

12M→Finish

12.0 - 13.1 mi

Top 26%
×7story building
+14ft-89ft

Overall

1737

Males

1272

M35-39

205

Passing Analysis

Category:
Athletes Passed
1598*
Passed By
344
Net Change
+1254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3333
2M → 4M24288+154#3333#3179
4M → 6M123115+8#3179#3171
6M → 8M160*111+49#3171#3122
8M → 9.6M5910+591#3122#2531
9.6M → 10M1220+122#2531#2409
10M → 10.5M94+5#2409#2404
10.5M → 12M28613+273#2404#2131
12M → Finish65*13+52#2131#2079
TOTALS1598*344+1254

* 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