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SF MARATHON 1ST HALF 2026

Jonas Kloeckner

Bib: 13344•M•Age: 37

PALO ALTO, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 41%
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
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
9:48/mi
19:37
→ flat
4M
9:36/mi
38:48
↑ 67↓ 69
6M
11:32/mi
1:01:53
↑ 1231.1%
8M
10:57/mi
1:23:48
↑ 166↓ 531.1%
9.6M
7:36/mi
1:35:58
↑ 68↓ 1931.5%
10M
18:31/mi
1:43:22
↓ 241.1%
10.5M
4:50/mi
1:45:47
↓ 732.7%
12M
14:03/mi
2:06:51
↑ 2803.2%
Finish· 13.11 mi
9:42/mi
2:17:36
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:01:53
Pace10:19 /mi
2nd Half
Distance7.11 mi
Time1:15:43
Pace10:39 /mi
📊Positive Split: 22.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:02:4319:379:4819:37
9:48
-
4M
4.00 mi07:21:5438:489:4219:11
9:36
-0:12
6M
6.00 mi07:44:591:01:5310:1923:05
11:32
+1:56
8M
8.00 mi08:06:541:23:4810:2821:55
10:57
-0:35
9.6M
9.60 mi08:19:041:35:5810:0012:10
7:36
-3:21
10M
10.00 mi08:26:281:43:2210:207:24
18:31
+10:55
10.5M
10.50 mi08:28:531:45:4710:042:25
4:50
-13:41
12M
12.00 mi08:49:572:06:5110:3421:04
14:03
+9:13
Finish
13.11 mi09:00:422:17:3610:3010:45
9:42
-4:21

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

4:50 /mi

Average Pace

10:30 /mi

Slowest Pace

18:31 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:35

11% of race

Time at Steady Pace

1:34:33

69% of race

Time at Slower Pace

28:28

21% of race

Average Pace: 10:30 /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 mi07:02:4319:379:4819:37
9:48
#2730
4M
4.00 mi07:21:5438:489:4219:11
9:36
#2443
6M
6.00 mi07:44:591:01:5310:1923:05
11:32
#3240
8M
8.00 mi08:06:541:23:4810:2821:55
10:57
#3279
9.6M
9.60 mi08:19:041:35:5810:0012:10
7:36
#2828
10M
10.00 mi08:26:281:43:2210:207:24
18:31
#2794
10.5M
10.50 mi08:28:531:45:4710:042:25
4:50
#2787
12M
12.00 mi08:49:572:06:5110:3421:04
14:03
#2738
Finish
13.11 mi09:00:422:17:3610:3010:45
9:42
#2696
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 40%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:49

Segment Time

10:55/mi

Pace

0.90 mi

Distance

Overall

2631

Men

1806

Division

302

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi273018993292772(Top 42%)1860(Top 51%)316(Top 54%)
4M4.00 mi2.00 mi2443+2871730+169298+312248(Top 34%)1625(Top 45%)275(Top 47%)
6M6.00 mi2.00 mi3240-7972188-458367-694549(Top 69%)2844(Top 79%)467(Top 80%)
8M8.00 mi2.00 mi3279-392217-29372-53497(Top 53%)2323(Top 64%)390(Top 67%)
9.6M9.60 mi1.60 mi2828+4511948+269331+411156(Top 18%)786(Top 22%)128(Top 22%)
10M10.00 mi0.40 mi2794+341924+24329+22701(Top 41%)1827(Top 50%)305(Top 52%)
10.5M10.50 mi0.50 mi2787+71921+3330-12711(Top 41%)1841(Top 51%)309(Top 53%)
12M12.00 mi1.50 mi2738+491891+30331-12772(Top 42%)1860(Top 51%)316(Top 54%)
Finish13.11 mi1.11 mi2696+421861+30318+132496(Top 38%)1702(Top 47%)270(Top 46%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 42%
~flat
+5ft-3ft

Overall

2772

Males

1860

M35-39

316

2M→4M

2.0 - 4.0 mi

Top 34%
×4story building
+67ft-69ft

Overall

2248

Males

1625

M35-39

275

4M→6M

4.0 - 6.0 mi

Top 69%
×9story building
+123ft-9ft

Overall

4549

Males

2844

M35-39

467

6M→8M

6.0 - 8.0 mi

Top 53%
×12story building
+166ft-53ft

Overall

3497

Males

2323

M35-39

390

8M→9.6M

8.0 - 9.6 mi

Top 18%
×13story building
+68ft-193ft

Overall

1156

Males

786

M35-39

128

9.6M→10M

9.6 - 10.0 mi

Top 41%
×2story building
+0ft-24ft

Overall

2701

Males

1827

M35-39

305

10M→10.5M

10.0 - 10.5 mi

Top 41%
×6story building
+1ft-73ft

Overall

2711

Males

1841

M35-39

309

10.5M→12M

10.5 - 12.0 mi

Top 42%
×21story building
+280ft-26ft

Overall

2772

Males

1860

M35-39

316

12M→Finish

12.0 - 13.1 mi

Top 38%
×7story building
+14ft-89ft

Overall

2496

Males

1702

M35-39

270

Passing Analysis

Category:
Athletes Passed
1109*
Passed By
1075
Net Change
+34
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2730
2M → 4M30922+287#2730#2443
4M → 6M2799-797#2443#3240
6M → 8M119*158-39#3240#3279
8M → 9.6M4521+451#3279#2828
9.6M → 10M4915+34#2828#2794
10M → 10.5M103+7#2794#2787
10.5M → 12M10657+49#2787#2738
12M → Finish62*20+42#2738#2696
TOTALS1109*1075+34

* 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