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SF MARATHON 2026

Simon Callewier

Bib: 3224•M•Age: 30

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 12%
Gender (Male)
#0 / 5052
Top 15%
Division (M30-34)
#0 / 1040
Top 16%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
16:24
Rank: #993
Start → 2M
16:24 | 8:12/mi
4M
33:03
Rank: #1038 (-45)
2M → 4M
16:39 | 8:20/mi
6M
49:56
Rank: #1099 (-61)
4M → 6M
16:53 | 8:26/mi
8M
1:05:59
Rank: #1040 (+59)
6M → 8M
16:03 | 8:01/mi
9.6M
1:19:51
Rank: #1034 (+6)
8M → 9.6M
13:52 | 8:40/mi
10M
1:22:10
Rank: #1035 (-1)
9.6M → 10M
2:19 | 5:48/mi
10.5M
1:27:40
Rank: #1032 (+3)
10M → 10.5M
5:30 | 11:00/mi
12M
1:38:58
Rank: #992 (+40)
10.5M → 12M
11:18 | 7:32/mi
14M
1:56:13
Rank: #934 (+58)
12M → 14M
17:15 | 8:37/mi
16M
2:12:11
Rank: #1022 (-88)
14M → 16M
15:58 | 7:59/mi
18M
2:28:09
Rank: #869 (+153)
16M → 18M
15:58 | 7:59/mi
20M
2:44:42
Rank: #831 (+38)
18M → 20M
16:33 | 8:16/mi
22M
3:01:35
Rank: #842 (-11)
20M → 22M
16:53 | 8:26/mi
24M
3:20:28
Rank: #858 (-16)
22M → 24M
18:53 | 9:27/mi
Finish· 26.22 mi
3:41:21
Rank: #880 (-22)
24M → Finish
20:53 | 9:25/mi

Course Map & Elevation

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time1:56:13
Pace8:18 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:45:08
Pace8:36 /mi
📊Negative Split: 9.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:33:0416:248:1216:24
8:12
-
4M
4.00 mi05:49:4333:038:1616:39
8:20
+0:08
6M
6.00 mi06:06:3649:568:1916:53
8:26
+0:06
8M
8.00 mi06:22:391:05:598:1516:03
8:01
-0:25
9.6M
9.60 mi06:36:311:19:518:1913:52
8:40
+0:39
10M
10.00 mi06:38:501:22:108:132:19
5:48
-2:52
10.5M
10.50 mi06:44:201:27:408:215:30
11:00
+5:12
12M
12.00 mi06:55:381:38:588:1511:18
7:32
-3:28
14M
14.00 mi07:12:531:56:138:1817:15
8:37
+1:05
16M
16.00 mi07:28:512:12:118:1615:58
7:59
-0:38
18M
18.00 mi07:44:492:28:098:1415:58
7:59
0:00
20M
20.00 mi08:01:222:44:428:1416:33
8:16
+0:17
22M
22.00 mi08:18:153:01:358:1516:53
8:26
+0:10
24M
24.00 mi08:37:083:20:288:2118:53
9:27
+1:01
Finish
26.22 mi08:58:013:41:218:2720:53
9:25
-0:02

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

5:48 /mi

Average Pace

8:27 /mi

Slowest Pace

11:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

13:37

6% of race

Time at Steady Pace

2:42:28

73% of race

Time at Slower Pace

45:16

20% of race

Average Pace: 8:27 /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...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:33:0416:248:1216:24
8:12
#993
4M
4.00 mi05:49:4333:038:1616:39
8:20
#1038
6M
6.00 mi06:06:3649:568:1916:53
8:26
#1099
8M
8.00 mi06:22:391:05:598:1516:03
8:01
#1040
9.6M
9.60 mi06:36:311:19:518:1913:52
8:40
#1034
10M
10.00 mi06:38:501:22:108:132:19
5:48
#1035
10.5M
10.50 mi06:44:201:27:408:215:30
11:00
#1032
12M
12.00 mi06:55:381:38:588:1511:18
7:32
#992
14M
14.00 mi07:12:531:56:138:1817:15
8:37
#934
16M
16.00 mi07:28:512:12:118:1615:58
7:59
#1022
18M
18.00 mi07:44:492:28:098:1415:58
7:59
#869
20M
20.00 mi08:01:222:44:428:1416:33
8:16
#831
22M
22.00 mi08:18:153:01:358:1516:53
8:26
#842
24M
24.00 mi08:37:083:20:288:2118:53
9:27
#858
Finish
26.22 mi08:58:013:41:218:2720:53
9:25
#880
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 15%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:49

Segment Time

8:41/mi

Pace

0.90 mi

Distance

Overall

1109

Men

985

Division

212

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi993877187705(Top 10%)637(Top 13%)145(Top 14%)
4M4.00 mi2.00 mi1038-45917-40190-31089(Top 15%)960(Top 19%)201(Top 19%)
6M6.00 mi2.00 mi1099-61969-52203-131248(Top 17%)1087(Top 22%)221(Top 21%)
8M8.00 mi2.00 mi1040+59925+44193+10868(Top 12%)773(Top 15%)162(Top 16%)
9.6M9.60 mi1.60 mi1034+6921+4190+31156(Top 16%)1026(Top 20%)215(Top 21%)
10M10.00 mi0.40 mi1035-1921189+11214(Top 17%)1064(Top 21%)237(Top 23%)
10.5M10.50 mi0.50 mi1032+3917+4187+21171(Top 16%)1027(Top 20%)221(Top 21%)
12M12.00 mi1.50 mi992+40884+33182+5705(Top 10%)637(Top 13%)145(Top 14%)
14M14.00 mi2.00 mi934+58829+55172+10811(Top 11%)724(Top 14%)159(Top 15%)
16M16.00 mi2.00 mi1022-88906-77195-232158(Top 30%)1746(Top 35%)353(Top 34%)
18M18.00 mi2.00 mi869+153775+131169+26419(Top 6%)380(Top 8%)84(Top 8%)
20M20.00 mi2.00 mi831+38742+33164+5713(Top 10%)629(Top 12%)137(Top 13%)
22M22.00 mi2.00 mi842-11746-4168-41342(Top 19%)1107(Top 22%)224(Top 22%)
24M24.00 mi2.00 mi858-16757-11166+21171(Top 16%)945(Top 19%)191(Top 18%)
Finish26.22 mi2.22 mi880-22770-13167-11587(Top 22%)1259(Top 25%)256(Top 25%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 10%
×1human
+6ft-11ft

Overall

705

Males

637

M30-34

147

2M→4M

2.0 - 4.0 mi

Top 15%
×4stories
+75ft-70ft

Overall

1089

Males

960

M30-34

203

4M→6M

4.0 - 6.0 mi

Top 17%
×5stories
+71ft-18ft

Overall

1248

Males

1087

M30-34

223

6M→8M

6.0 - 8.0 mi

Top 12%
×9stories
+106ft-21ft

Overall

868

Males

773

M30-34

164

8M→9.6M

8.0 - 9.6 mi

Top 16%
×13stories
+117ft-177ft

Overall

1156

Males

1026

M30-34

217

9.6M→10M

9.6 - 10.0 mi

Top 17%
×1story
+17ft-12ft

Overall

1214

Males

1064

M30-34

239

10M→10.5M

10.0 - 10.5 mi

Top 16%
×9stories
+0ft-102ft

Overall

1171

Males

1027

M30-34

224

10.5M→12M

10.5 - 12.0 mi

Top 10%
×18stories
+304ft-125ft

Overall

705

Males

637

M30-34

147

12M→14M

12.0 - 14.0 mi

Top 11%
×9stories
+99ft-125ft

Overall

811

Males

724

M30-34

161

14M→16M

14.0 - 16.0 mi

Top 30%
×9stories
+124ft-78ft

Overall

2158

Males

1746

M30-34

354

16M→18M

16.0 - 18.0 mi

Top 6%
×8stories
+106ft-45ft

Overall

419

Males

380

M30-34

85

18M→20M

18.0 - 20.0 mi

Top 10%
×3stories
+52ft-26ft

Overall

713

Males

629

M30-34

137

20M→22M

20.0 - 22.0 mi

Top 19%
×21stories
+17ft-266ft

Overall

1342

Males

1107

M30-34

224

22M→24M

22.0 - 24.0 mi

Top 16%
×3stories
+70ft-85ft

Overall

1171

Males

945

M30-34

191

24M→Finish

24.0 - 26.2 mi

Top 22%
~flat
+2ft-2ft

Overall

1587

Males

1259

M30-34

256

Passing Analysis

Category:
Athletes Passed
568*
Passed By
455
Net Change
+113
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#993
2M → 4M3681-45#993#1038
4M → 6M2384-61#1038#1099
6M → 8M63*4+59#1099#1040
8M → 9.6M2721+6#1040#1034
9.6M → 10M56-1#1034#1035
10M → 10.5M1714+3#1035#1032
10.5M → 12M455+40#1032#992
12M → 14M58*0+58#992#934
14M → 16M31*119-88#934#1022
16M → 18M1574+153#1022#869
18M → 20M42*4+38#869#831
20M → 22M21*32-11#831#842
22M → 24M1834-16#842#858
24M → Finish25*47-22#858#880
TOTALS568*455+113

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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