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SF MARATHON 1ST HALF 2023

Jonathan Ybona

Bib: 12481•M•Age: 41

Brentwood, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Masters (Masters Men)
#0 / 1028
Division (M40-44)
#0 / 332
Race Day Weather
60°/50°F
overcast 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
1.40M
9:41/mi
13:34
→ flat
2.13M
18:03/mi
26:45
→ flat
6.43M
13:34/mi
1:25:07
↑ 274↓ 780.9%
6.62M
-33:-10/mi
1:19:00
↑ 161.6%
10.65M
9:51/mi
1:58:41
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:36/mi
2:22:18
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:19:00
Pace11:56 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:03:18
Pace9:45 /mi
📊Negative Split: 19.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:07:4513:349:4113:34
9:41
-
2.13M
2.13 mi07:20:5626:4512:3313:11
18:03
+8:22
6.43M
6.43 mi08:19:181:25:0713:1458:22
13:34
-4:29
6.62M
6.62 mi08:13:111:19:0011:56
-33:-10
-46:44
10.65M
10.65 mi08:52:521:58:4111:0939:41
9:51
+43:01
Finish
13.11 mi09:16:292:22:1810:5123:37
9:36
-0:15

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

-34:-10 /mi

Average Pace

10:51 /mi

Slowest Pace

18:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:18

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:51 /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
1.40M
1.40 mi07:07:4513:349:4113:34
9:41
#3569
2.13M
2.13 mi07:20:5626:4512:3313:11
18:03
#2762
6.43M
6.43 mi08:19:181:25:0713:1458:22
13:34
#4070
6.62M
6.62 mi08:13:111:19:0011:56
-33:-10
#4300
10.65M
10.65 mi08:52:521:58:4111:0939:41
9:51
#3744
Finish
13.11 mi09:16:292:22:1810:5123:37
9:36
#3553
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
1.40M1.40 mi1.40 mi356922442173569(Top 59%)2244(Top 67%)217(Top 65%)
2.13M2.13 mi0.73 mi2762+8071820+424167+502168(Top 36%)1453(Top 44%)127(Top 38%)
6.43M6.43 mi4.30 mi4070-13082510-690244-774581(Top 75%)2729(Top 82%)262(Top 79%)
6.62M6.62 mi0.19 mi4300-2302617-107256-12---
10.65M10.65 mi4.03 mi3744+5562329+288222+342760(Top 45%)1802(Top 54%)165(Top 50%)
Finish13.11 mi2.46 mi3553+1912216+113209+132862(Top 47%)1818(Top 55%)176(Top 53%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 59%
~flat
+3ft-2ft

Overall

3569

Males

2244

M40-44

217

1.40M→2.13M

1.4 - 2.1 mi

Top 36%
~flat
+3ft-1ft

Overall

2168

Males

1453

M40-44

129

2.13M→6.43M

2.1 - 6.4 mi

Top 75%
×17story building
+274ft-78ft

Overall

4581

Males

2729

M40-44

262

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M40-44

-

6.62M→10.65M

6.6 - 10.7 mi

Top 45%
×21story building
+153ft-361ft

Overall

2760

Males

1802

M40-44

165

10.65M→Finish

10.7 - 13.1 mi

Top 47%
×17story building
+244ft-114ft

Overall

2862

Males

1818

M40-44

176

Passing Analysis

Category:
Athletes Passed
1664*
Passed By
1648
Net Change
+16
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3569
1.40M → 2.13M83326+807#3569#2762
2.13M → 6.43M32*1340-1308#2762#4070
6.43M → 6.62M24254-230#4070#4300
6.62M → 10.65M566*10+556#4300#3744
10.65M → Finish209*18+191#3744#3553
TOTALS1664*1648+16

* 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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