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SF MARATHON 1ST HALF 2023

Gregg Holbrook

Danville, CA

Bib: 9563 M 47

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 15%
Gender (Male)
#0 / 3331
Top 20%
Masters (Masters Men)
#0 / 1028
Top 12%
Division (M45-49)
#0 / 241
Top 15%
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
7:47/mi
10:54
→ flat
11 ft elev
2.13M
15:57/mi
22:33
→ flat
13 ft elev
6.43M
11:00/mi
1:09:51
↑ 274↓ 780.9%
213 ft elev
6.62M
-29:-3/mi
1:04:31
↑ 161.6%
239 ft elev
10.65M
8:10/mi
1:37:26
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
6:57/mi
1:54:31
↑ 244↓ 1141.0%
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 6.62M
Distance6.62 mi
Time1:04:31
Pace9:45 /mi
2nd Half✓ Faster
Distance6.49 mi
Time50:00
Pace7:42 /mi
📊Negative Split: 22.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:53:0210:547:4710:54
7:47
-
2.13M
2.13 mi07:04:4122:3310:3511:39
15:57
+8:10
6.43M
6.43 mi07:51:591:09:5110:5247:18
11:00
-4:57
6.62M
6.62 mi07:46:391:04:319:45
-29:-3
-40:03
10.65M
10.65 mi08:19:341:37:269:0932:55
8:10
+37:13
Finish
13.11 mi08:36:391:54:318:4417:05
6:57
-1:13

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

-30:-3 /mi

Average Pace

8:44 /mi

Slowest Pace

15:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:31

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:44 /mi

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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
1.40M
1.40 mi06:53:0210:547:4710:54
7:47
#653
2.13M
2.13 mi07:04:4122:3310:3511:39
15:57
#686
6.43M
6.43 mi07:51:591:09:5110:5247:18
11:00
#1394
6.62M
6.62 mi07:46:391:04:319:45
-29:-3
#1506
10.65M
10.65 mi08:19:341:37:269:0932:55
8:10
#1161
Finish
13.11 mi08:36:391:54:318:4417:05
6:57
#888
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
1.40M1.40 mi1.40 mi65350323653(Top 11%)503(Top 15%)23(Top 10%)
2.13M2.13 mi0.73 mi686-33525-2223793(Top 13%)591(Top 18%)29(Top 12%)
6.43M6.43 mi4.30 mi1394-7081012-48756-331939(Top 32%)1339(Top 40%)83(Top 34%)
6.62M6.62 mi0.19 mi1506-1121073-6161-5---
10.65M10.65 mi4.03 mi1161+345877+19646+15707(Top 12%)559(Top 17%)23(Top 10%)
Finish13.11 mi2.46 mi888+273678+19936+10222(Top 4%)194(Top 6%)5(Top 2%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 11%
~flat
+3ft-2ft

Overall

653

Males

503

M45-49

23

1.40M→2.13M

1.4 - 2.1 mi

Top 13%
~flat
+3ft-1ft

Overall

793

Males

591

M45-49

31

2.13M→6.43M

2.1 - 6.4 mi

Top 32%
×17story building
+274ft-78ft

Overall

1939

Males

1339

M45-49

83

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M45-49

-

6.62M→10.65M

6.6 - 10.7 mi

Top 12%
×21story building
+153ft-361ft

Overall

707

Males

559

M45-49

23

10.65M→Finish

10.7 - 13.1 mi

Top 4%
×17story building
+244ft-114ft

Overall

222

Males

194

M45-49

5

Passing Analysis

Category:
Athletes Passed
701*
Passed By
936
Net Change
-235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#653
1.40M → 2.13M5689-33#653#686
2.13M → 6.43M5713-708#686#1394
6.43M → 6.62M12124-112#1394#1506
6.62M → 10.65M355*10+345#1506#1161
10.65M → Finish273*0+273#1161#888
TOTALS701*936-235

* 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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The San Francisco Marathon

The San Francisco Marathon

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