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SF MARATHON 1ST HALF 2023

Calvin Chen

Bib: 15725•M•Age: 29

Daly City, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M25-29)
#0 / 688
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
9:18/mi
13:01
→ flat
2.13M
21:23/mi
28:38
→ flat
6.43M
12:06/mi
1:20:38
↑ 274↓ 780.9%
6.62M
-39:00/mi
1:13:13
↑ 161.6%
10.65M
10:27/mi
1:55:21
↑ 153↓ 3611.0%
Finish· 13.11 mi
10:37/mi
2:21:27
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:13:13
Pace11:04 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:08:14
Pace10:31 /mi
📊Negative Split: 6.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:07:1913:019:1813:01
9:18
-
2.13M
2.13 mi07:22:5628:3813:2715:37
21:23
+12:05
6.43M
6.43 mi08:14:561:20:3812:3252:00
12:06
-9:17
6.62M
6.62 mi08:07:311:13:1311:04
-39:00
-51:06
10.65M
10.65 mi08:49:391:55:2110:5042:08
10:27
+49:27
Finish
13.11 mi09:15:452:21:2710:4726:06
10:37
+0:10

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

-39:00 /mi

Average Pace

10:47 /mi

Slowest Pace

21:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:27

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:47 /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 mi07:07:1913:019:1813:01
9:18
#2889
2.13M
2.13 mi07:22:5628:3813:2715:37
21:23
#3837
6.43M
6.43 mi08:14:561:20:3812:3252:00
12:06
#3369
6.62M
6.62 mi08:07:311:13:1311:04
-39:00
#3292
10.65M
10.65 mi08:49:391:55:2110:5042:08
10:27
#3360
Finish
13.11 mi09:15:452:21:2710:4726:06
10:37
#3460
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi288918824472889(Top 48%)1882(Top 56%)447(Top 65%)
2.13M2.13 mi0.73 mi3837-9482366-484533-864725(Top 78%)2791(Top 84%)608(Top 88%)
6.43M6.43 mi4.30 mi3369+4682135+231485+483239(Top 53%)2062(Top 62%)465(Top 68%)
6.62M6.62 mi0.19 mi3292+772075+60473+12---
10.65M10.65 mi4.03 mi3360-682134-59485-123554(Top 59%)2199(Top 66%)507(Top 74%)
Finish13.11 mi2.46 mi3460-1002168-34488-33921(Top 65%)2356(Top 71%)536(Top 78%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 48%
~flat
+3ft-2ft

Overall

2889

Males

1882

M25-29

450

1.40M→2.13M

1.4 - 2.1 mi

Top 78%
~flat
+3ft-1ft

Overall

4725

Males

2791

M25-29

614

2.13M→6.43M

2.1 - 6.4 mi

Top 53%
×17story building
+274ft-78ft

Overall

3239

Males

2062

M25-29

467

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 59%
×21story building
+153ft-361ft

Overall

3554

Males

2199

M25-29

508

10.65M→Finish

10.7 - 13.1 mi

Top 65%
×17story building
+244ft-114ft

Overall

3921

Males

2356

M25-29

536

Passing Analysis

Category:
Athletes Passed
856*
Passed By
1427
Net Change
-571
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2889
1.40M → 2.13M20968-948#2889#3837
2.13M → 6.43M568*100+468#3837#3369
6.43M → 6.62M11235+77#3369#3292
6.62M → 10.65M106*174-68#3292#3360
10.65M → Finish50*150-100#3360#3460
TOTALS856*1427-571

* 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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