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SF MARATHON 1ST HALF 2026

Brennan Spreitzer

SF, CA

Bib: 12634 M 35

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 6%
Gender (Male)
#0 / 3619
Top 9%
Division (M35-39)
#0 / 582
Top 10%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
8:51/mi
17:43
→ flat
12 ft elev
4M
8:11/mi
34:05
↑ 67↓ 69
10 ft elev
6M
8:11/mi
50:28
↑ 1231.1%
126 ft elev
8M
7:36/mi
1:05:41
↑ 166↓ 531.1%
246 ft elev
9.6M
7:36/mi
1:17:51
↑ 68↓ 1931.5%
126 ft elev
10M
13:03/mi
1:23:04
↓ 241.1%
90 ft elev
10.5M
3:34/mi
1:24:51
↓ 732.7%
18 ft elev
12M
9:49/mi
1:39:34
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
7:32/mi
1:47:55
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time50:28
Pace8:25 /mi
2nd Half
Distance7.11 mi
Time57:27
Pace8:05 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:4617:438:5117:43
8:51
-
4M
4.00 mi07:21:0834:058:3116:22
8:11
-0:40
6M
6.00 mi07:37:3150:288:2516:23
8:11
0:00
8M
8.00 mi07:52:441:05:418:1315:13
7:36
-0:35
9.6M
9.60 mi08:04:541:17:518:0712:10
7:36
0:00
10M
10.00 mi08:10:071:23:048:185:13
13:03
+5:27
10.5M
10.50 mi08:11:541:24:518:051:47
3:34
-9:29
12M
12.00 mi08:26:371:39:348:1814:43
9:49
+6:15
Finish
13.11 mi08:34:581:47:558:148:21
7:32
-2:17

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

3:34 /mi

Average Pace

8:14 /mi

Slowest Pace

13:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47

2% of race

Time at Steady Pace

1:26:12

80% of race

Time at Slower Pace

19:56

18% of race

Average Pace: 8:14 /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 mi07:04:4617:438:5117:43
8:51
#1332
4M
4.00 mi07:21:0834:058:3116:22
8:11
#890
6M
6.00 mi07:37:3150:288:2516:23
8:11
#757
8M
8.00 mi07:52:441:05:418:1315:13
7:36
#557
9.6M
9.60 mi08:04:541:17:518:0712:10
7:36
#603
10M
10.00 mi08:10:071:23:048:185:13
13:03
#539
10.5M
10.50 mi08:11:541:24:518:051:47
3:34
#523
12M
12.00 mi08:26:371:39:348:1814:43
9:49
#434
Finish
13.11 mi08:34:581:47:558:148:21
7:32
#400
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 2%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:00

Segment Time

7:47/mi

Pace

0.90 mi

Distance

Overall

144

Men

135

Division

26

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi13321035195198(Top 3%)168(Top 5%)23(Top 4%)
4M4.00 mi2.00 mi890+442724+311138+57568(Top 9%)478(Top 13%)84(Top 14%)
6M6.00 mi2.00 mi757+133621+103111+27617(Top 9%)514(Top 14%)91(Top 16%)
8M8.00 mi2.00 mi557+200472+14986+25270(Top 4%)240(Top 7%)43(Top 7%)
9.6M9.60 mi1.60 mi603-46503-3189-31157(Top 18%)787(Top 22%)129(Top 22%)
10M10.00 mi0.40 mi539+64450+5374+15191(Top 3%)155(Top 4%)26(Top 4%)
10.5M10.50 mi0.50 mi523+16439+1172+2151(Top 2%)140(Top 4%)26(Top 4%)
12M12.00 mi1.50 mi434+89360+7962+10198(Top 3%)168(Top 5%)23(Top 4%)
Finish13.11 mi1.11 mi400+34337+2359+3293(Top 4%)263(Top 7%)47(Top 8%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 3%
~flat
+5ft-3ft

Overall

198

Males

168

M35-39

23

2M→4M

2.0 - 4.0 mi

Top 9%
×4story building
+67ft-69ft

Overall

568

Males

478

M35-39

84

4M→6M

4.0 - 6.0 mi

Top 9%
×9story building
+123ft-9ft

Overall

617

Males

514

M35-39

91

6M→8M

6.0 - 8.0 mi

Top 4%
×12story building
+166ft-53ft

Overall

270

Males

240

M35-39

43

8M→9.6M

8.0 - 9.6 mi

Top 18%
×13story building
+68ft-193ft

Overall

1157

Males

787

M35-39

129

9.6M→10M

9.6 - 10.0 mi

Top 3%
×2story building
+0ft-24ft

Overall

191

Males

155

M35-39

26

10M→10.5M

10.0 - 10.5 mi

Top 2%
×6story building
+1ft-73ft

Overall

151

Males

140

M35-39

26

10.5M→12M

10.5 - 12.0 mi

Top 3%
×21story building
+280ft-26ft

Overall

198

Males

168

M35-39

23

12M→Finish

12.0 - 13.1 mi

Top 4%
×7story building
+14ft-89ft

Overall

293

Males

263

M35-39

47

Passing Analysis

Category:
Athletes Passed
1018*
Passed By
86
Net Change
+932
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1332
2M → 4M4431+442#1332#890
4M → 6M1396+133#890#757
6M → 8M2011+200#757#557
8M → 9.6M2167-46#557#603
9.6M → 10M640+64#603#539
10M → 10.5M160+16#539#523
10.5M → 12M9910+89#523#434
12M → Finish35*1+34#434#400
TOTALS1018*86+932

* 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