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SF MARATHON 1ST HALF 2026

Bobby Groth

Bib: 16489•M•Age: 24

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 7%
Gender (Male)
#0 / 3619
Top 10%
M20-29
#0 / 358
Top 12%
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
6:56/mi
13:52
→ flat
4M
7:27/mi
28:45
↑ 67↓ 69
6M
7:48/mi
44:22
↑ 1231.1%
8M
7:58/mi
1:00:19
↑ 166↓ 531.1%
9.6M
7:58/mi
1:13:04
↑ 68↓ 1931.5%
10M
15:06/mi
1:19:06
↓ 241.1%
10.5M
4:10/mi
1:21:11
↓ 732.7%
12M
11:37/mi
1:38:37
↑ 2803.2%
Finish· 13.11 mi
9:04/mi
1:48:40
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time44:22
Pace7:24 /mi
2nd Half
Distance7.11 mi
Time1:04:18
Pace9:03 /mi
📊Positive Split: 44.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:44:1513:526:5613:52
6:56
-
4M
4.00 mi06:59:0828:457:1114:53
7:27
+0:31
6M
6.00 mi07:14:4544:227:2415:37
7:48
+0:21
8M
8.00 mi07:30:421:00:197:3215:57
7:58
+0:10
9.6M
9.60 mi07:43:271:13:047:3712:45
7:58
0:00
10M
10.00 mi07:49:291:19:067:556:02
15:06
+7:08
10.5M
10.50 mi07:51:341:21:117:442:05
4:10
-10:56
12M
12.00 mi08:09:001:38:378:1317:26
11:37
+7:27
Finish
13.11 mi08:19:031:48:408:1710:03
9:04
-2:33

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

4:10 /mi

Average Pace

8:17 /mi

Slowest Pace

15:06 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05

2% of race

Time at Steady Pace

1:23:07

76% of race

Time at Slower Pace

23:28

22% of race

Average Pace: 8:17 /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 mi06:44:1513:526:5613:52
6:56
#103
4M
4.00 mi06:59:0828:457:1114:53
7:27
#133
6M
6.00 mi07:14:4544:227:2415:37
7:48
#167
8M
8.00 mi07:30:421:00:197:3215:57
7:58
#202
9.6M
9.60 mi07:43:271:13:047:3712:45
7:58
#288
10M
10.00 mi07:49:291:19:067:556:02
15:06
#322
10.5M
10.50 mi07:51:341:21:117:442:05
4:10
#325
12M
12.00 mi08:09:001:38:378:1317:26
11:37
#389
Finish
13.11 mi08:19:031:48:408:1710:03
9:04
#444
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 11%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:07

Segment Time

9:01/mi

Pace

0.90 mi

Distance

Overall

742

Men

601

Division

77

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi103967985(Top 15%)776(Top 21%)99(Top 28%)
4M4.00 mi2.00 mi133-30124-2810-3175(Top 3%)159(Top 4%)18(Top 5%)
6M6.00 mi2.00 mi167-34153-2917-7363(Top 6%)310(Top 9%)40(Top 11%)
8M8.00 mi2.00 mi202-35180-2718-1430(Top 7%)374(Top 10%)42(Top 12%)
9.6M9.60 mi1.60 mi288-86251-7133-151504(Top 23%)996(Top 28%)129(Top 36%)
10M10.00 mi0.40 mi322-34278-2735-2750(Top 11%)587(Top 16%)73(Top 20%)
10.5M10.50 mi0.50 mi325-3279-134+1927(Top 14%)749(Top 21%)97(Top 27%)
12M12.00 mi1.50 mi389-64330-5141-7985(Top 15%)776(Top 21%)99(Top 28%)
Finish13.11 mi1.11 mi444-55371-4143-21708(Top 26%)1251(Top 35%)163(Top 46%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 15%
~flat
+5ft-3ft

Overall

985

Males

776

M20-24

100

2M→4M

2.0 - 4.0 mi

Top 3%
×4story building
+67ft-69ft

Overall

175

Males

159

M20-24

19

4M→6M

4.0 - 6.0 mi

Top 6%
×9story building
+123ft-9ft

Overall

363

Males

310

M20-24

41

6M→8M

6.0 - 8.0 mi

Top 7%
×12story building
+166ft-53ft

Overall

430

Males

374

M20-24

43

8M→9.6M

8.0 - 9.6 mi

Top 23%
×13story building
+68ft-193ft

Overall

1504

Males

996

M20-24

130

9.6M→10M

9.6 - 10.0 mi

Top 11%
×2story building
+0ft-24ft

Overall

750

Males

587

M20-24

74

10M→10.5M

10.0 - 10.5 mi

Top 14%
×6story building
+1ft-73ft

Overall

927

Males

749

M20-24

97

10.5M→12M

10.5 - 12.0 mi

Top 15%
×21story building
+280ft-26ft

Overall

985

Males

776

M20-24

100

12M→Finish

12.0 - 13.1 mi

Top 26%
×7story building
+14ft-89ft

Overall

1708

Males

1251

M20-24

163

Passing Analysis

Category:
Athletes Passed
35*
Passed By
376
Net Change
-341
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#103
2M → 4M232-30#103#133
4M → 6M236-34#133#167
6M → 8M1247-35#167#202
8M → 9.6M187-86#202#288
9.6M → 10M034-34#288#322
10M → 10.5M14-3#322#325
10.5M → 12M165-64#325#389
12M → Finish16*71-55#389#444
TOTALS35*376-341

* 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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Questions or issues regarding timing data?

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events