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SF MARATHON 1ST HALF 2023

Ben Nguyen

Bib: 9923•M•Age: 26

Mountain View, 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
8:44/mi
12:14
→ flat
2.13M
18:38/mi
25:50
→ flat
6.43M
12:37/mi
1:20:06
↑ 274↓ 780.9%
6.62M
-40:-58/mi
1:12:30
↑ 161.6%
10.65M
10:39/mi
1:55:26
↑ 153↓ 3611.0%
Finish· 13.11 mi
11:28/mi
2:23:37
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:12:30
Pace10:57 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:11:07
Pace10:58 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:51:2512:148:4412:14
8:44
-
2.13M
2.13 mi07:05:0125:5012:0813:36
18:38
+9:54
6.43M
6.43 mi07:59:171:20:0612:2754:16
12:37
-6:01
6.62M
6.62 mi07:51:411:12:3010:57
-40:-58
-53:35
10.65M
10.65 mi08:34:371:55:2610:5042:56
10:39
+51:37
Finish
13.11 mi09:02:482:23:3710:5728:11
11:28
+0:49

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

-41:-58 /mi

Average Pace

10:57 /mi

Slowest Pace

18:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:37

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:57 /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 mi06:51:2512:148:4412:14
8:44
#1945
2.13M
2.13 mi07:05:0125:5012:0813:36
18:38
#2227
6.43M
6.43 mi07:59:171:20:0612:2754:16
12:37
#3267
6.62M
6.62 mi07:51:411:12:3010:57
-40:-58
#3141
10.65M
10.65 mi08:34:371:55:2610:5042:56
10:39
#3370
Finish
13.11 mi09:02:482:23:3710:5728:11
11:28
#3660
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi194513383191945(Top 32%)1338(Top 40%)319(Top 46%)
2.13M2.13 mi0.73 mi2227-2821513-175355-362678(Top 44%)1766(Top 53%)400(Top 58%)
6.43M6.43 mi4.30 mi3267-10402083-570474-1193753(Top 62%)2327(Top 70%)529(Top 77%)
6.62M6.62 mi0.19 mi3141+1262008+75460+14---
10.65M10.65 mi4.03 mi3370-2292141-133488-283778(Top 62%)2311(Top 69%)523(Top 76%)
Finish13.11 mi2.46 mi3660-2902275-134516-284550(Top 75%)2659(Top 80%)584(Top 85%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 32%
~flat
+3ft-2ft

Overall

1945

Males

1338

M25-29

321

1.40M→2.13M

1.4 - 2.1 mi

Top 44%
~flat
+3ft-1ft

Overall

2678

Males

1766

M25-29

405

2.13M→6.43M

2.1 - 6.4 mi

Top 62%
×17story building
+274ft-78ft

Overall

3753

Males

2327

M25-29

531

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 62%
×21story building
+153ft-361ft

Overall

3778

Males

2311

M25-29

524

10.65M→Finish

10.7 - 13.1 mi

Top 75%
×17story building
+244ft-114ft

Overall

4550

Males

2659

M25-29

584

Passing Analysis

Category:
Athletes Passed
312*
Passed By
2027
Net Change
-1715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#1945
1.40M → 2.13M54336-282#1945#2227
2.13M → 6.43M30*1070-1040#2227#3267
6.43M → 6.62M14822+126#3267#3141
6.62M → 10.65M60*289-229#3141#3370
10.65M → Finish20*310-290#3370#3660
TOTALS312*2027-1715

* 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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