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SF MARATHON 1ST HALF 2023

Tim Bronson

Bib: 13316•M•Age: 43

Redwood City, 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
19:30/mi
27:18
→ flat
2.13M
22:15/mi
43:33
→ flat
6.43M
14:22/mi
1:45:18
↑ 274↓ 780.9%
6.62M
-49:00/mi
1:35:59
↑ 161.6%
10.65M
11:45/mi
2:23:21
↑ 153↓ 3611.0%
Finish· 13.11 mi
11:16/mi
2:51:04
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:35:59
Pace14:30 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:15:05
Pace11:34 /mi
📊Negative Split: 21.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:09:3727:1819:3027:18
19:30
-
2.13M
2.13 mi07:25:5243:3320:2716:15
22:15
+2:45
6.43M
6.43 mi08:27:371:45:1816:231:01:45
14:22
-7:53
6.62M
6.62 mi08:18:181:35:5914:30
-49:00
-63:22
10.65M
10.65 mi09:05:402:23:2113:2847:22
11:45
+60:45
Finish
13.11 mi09:33:232:51:0413:0327:43
11:16
-0:29

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

-49:00 /mi

Average Pace

13:03 /mi

Slowest Pace

22:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:04

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:03 /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 mi07:09:3727:1819:3027:18
19:30
#6065
2.13M
2.13 mi07:25:5243:3320:2716:15
22:15
#6035
6.43M
6.43 mi08:27:371:45:1816:231:01:45
14:22
#5771
6.62M
6.62 mi08:18:181:35:5914:30
-49:00
#5770
10.65M
10.65 mi09:05:402:23:2113:2847:22
11:45
#5522
Finish
13.11 mi09:33:232:51:0413:0327:43
11:16
#5405
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
1.40M1.40 mi1.40 mi606533363326065(Top 100%)3336(Top 100%)332(Top 100%)
2.13M2.13 mi0.73 mi6035+303329+73325121(Top 84%)2964(Top 89%)291(Top 88%)
6.43M6.43 mi4.30 mi5771+2643229+100324+85116(Top 84%)2962(Top 89%)282(Top 85%)
6.62M6.62 mi0.19 mi5770+13228+1325-1---
10.65M10.65 mi4.03 mi5522+2483121+107311+144809(Top 79%)2819(Top 85%)273(Top 82%)
Finish13.11 mi2.46 mi5405+1173074+47304+74424(Top 73%)2605(Top 78%)249(Top 75%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 100%
~flat
+3ft-2ft

Overall

6065

Males

3336

M40-44

334

1.40M→2.13M

1.4 - 2.1 mi

Top 84%
~flat
+3ft-1ft

Overall

5121

Males

2964

M40-44

293

2.13M→6.43M

2.1 - 6.4 mi

Top 84%
×17story building
+274ft-78ft

Overall

5116

Males

2962

M40-44

283

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 79%
×21story building
+153ft-361ft

Overall

4809

Males

2819

M40-44

273

10.65M→Finish

10.7 - 13.1 mi

Top 73%
×17story building
+244ft-114ft

Overall

4424

Males

2605

M40-44

249

Passing Analysis

Category:
Athletes Passed
725*
Passed By
65
Net Change
+660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#6065
1.40M → 2.13M32*2+30#6065#6035
2.13M → 6.43M289*25+264#6035#5771
6.43M → 6.62M2019+1#5771#5770
6.62M → 10.65M253*5+248#5770#5522
10.65M → Finish131*14+117#5522#5405
TOTALS725*65+660

* 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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