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SF MARATHON 2023

Zachary Backas

Bib: 7841•M•Age: 29

Alameda, CA

0:00
0:00
/ mi
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Overall
#0 / 4888
Top 20%
Gender (Male)
#0 / 3570
Top 24%
Division (M25-29)
#0 / 732
Top 26%
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2.2 Miles
18:49
Rank: #2813
Start → 2.2 Miles
18:49 | 8:33/mi
5.7 Miles
52:55
Rank: #2253 (+560)
2.2 Miles → 5.7 Miles
34:06 | 9:45/mi
6.43 Miles
1:02:27
Rank: #2234 (+19)
5.7 Miles → 6.43 Miles
9:32 | 13:03/mi
10.92 Miles
1:39:34
Rank: #1859 (+375)
6.43 Miles → 10.92 Miles
37:07 | 8:16/mi
Garmin Hill Challenge· 11.42 mi
1:45:04
Rank: #1829 (+30)
10.92 Miles → Garmin Hill Challenge
5:30 | 11:00/mi
14.95 Miles
2:12:12
Rank: #1592 (+237)
Garmin Hill Challenge → 14.95 Miles
27:08 | 7:41/mi
18 Miles
2:41:28
Rank: #1423 (+169)
14.95 Miles → 18 Miles
29:16 | 9:36/mi
24 Miles
3:31:56
Rank: #1123 (+300)
18 Miles → 24 Miles
50:28 | 8:25/mi
Finish· 26.22 mi
3:48:38
Rank: #992 (+131)
24 Miles → Finish
16:42 | 7:32/mi

Course Map & Elevation

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:47:3318:498:3318:49
8:33
-
5.7 Miles
5.70 mi06:21:3952:559:1734:06
9:45
+1:12
6.43 Miles
6.43 mi06:31:111:02:279:439:32
13:03
+3:18
10.92 Miles
10.92 mi07:08:181:39:349:0737:07
8:16
-4:47
Garmin Hill Challenge
11.42 mi07:13:481:45:049:125:30
11:00
+2:44
14.95 Miles
14.95 mi07:40:562:12:128:5127:08
7:41
-3:19
18 Miles
18.00 mi08:10:122:41:288:5829:16
9:36
+1:55
24 Miles
24.00 mi09:00:403:31:568:5050:28
8:25
-1:11
Finish
26.22 mi09:17:223:48:388:4416:42
7:32
-0:53

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

7:32 /mi

Average Pace

8:44 /mi

Slowest Pace

13:03 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

43:50

19% of race

Time at Steady Pace

1:46:24

47% of race

Time at Slower Pace

1:18:24

34% of race

Average Pace: 8:43 /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...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2.2 Miles
2.20 mi05:47:3318:498:3318:49
8:33
#2813
5.7 Miles
5.70 mi06:21:3952:559:1734:06
9:45
#2253
6.43 Miles
6.43 mi06:31:111:02:279:439:32
13:03
#2234
10.92 Miles
10.92 mi07:08:181:39:349:0737:07
8:16
#1859
Garmin Hill Challenge
11.42 mi07:13:481:45:049:125:30
11:00
#1829
14.95 Miles
14.95 mi07:40:562:12:128:5127:08
7:41
#1592
18 Miles
18.00 mi08:10:122:41:288:5829:16
9:36
#1423
24 Miles
24.00 mi09:00:403:31:568:5050:28
8:25
#1123
Finish
26.22 mi09:17:223:48:388:4416:42
7:32
#992
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2.2 Miles2.20 mi2.20 mi281322574782813(Top 58%)2257(Top 63%)478(Top 65%)
5.7 Miles5.70 mi3.50 mi2253+5601874+383414+642036(Top 42%)1713(Top 48%)382(Top 52%)
6.43 Miles6.43 mi0.73 mi2234+191865+9409+52200(Top 45%)1847(Top 52%)424(Top 58%)
10.92 Miles10.92 mi4.49 mi1859+3751585+280357+521233(Top 25%)1089(Top 31%)249(Top 34%)
Garmin Hill Challenge11.42 mi0.50 mi1829+301563+22353+41520(Top 31%)1335(Top 37%)322(Top 44%)
14.95 Miles14.95 mi3.53 mi1592+2371372+191308+451012(Top 21%)902(Top 25%)198(Top 27%)
18 Miles18.00 mi3.05 mi1423+1691228+144274+341028(Top 21%)917(Top 26%)205(Top 28%)
24 Miles24.00 mi6.00 mi1123+300989+239224+50661(Top 14%)594(Top 17%)121(Top 17%)
Finish26.22 mi2.22 mi992+131873+116193+31244(Top 5%)226(Top 6%)48(Top 7%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 58%
×1human
+8ft-12ft

Overall

2813

Males

2257

M25-29

482

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 42%
×6stories
+92ft-87ft

Overall

2036

Males

1713

M25-29

385

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 45%
×11stories
+137ft-3ft

Overall

2200

Males

1847

M25-29

428

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 25%
×21stories
+225ft-318ft

Overall

1233

Males

1089

M25-29

251

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 31%
×11stories
+134ft-123ft

Overall

1520

Males

1335

M25-29

324

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 21%
×16stories
+234ft-225ft

Overall

1012

Males

902

M25-29

199

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 21%
×12stories
+165ft-60ft

Overall

1028

Males

917

M25-29

206

18 Miles→24 Miles

18.0 - 24.0 mi

Top 14%
×21stories
+142ft-377ft

Overall

661

Males

594

M25-29

121

24 Miles→Finish

24.0 - 26.2 mi

Top 5%
~flat
+2ft-2ft

Overall

244

Males

226

M25-29

48

Passing Analysis

Category:
Athletes Passed
1888*
Passed By
67
Net Change
+1821
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#2813
2.2 Miles → 5.7 Miles584*24+560#2813#2253
5.7 Miles → 6.43 Miles4223+19#2253#2234
6.43 Miles → 10.92 Miles377*2+375#2234#1859
10.92 Miles → Garmin Hill Challenge388+30#1859#1829
Garmin Hill Challenge → 14.95 Miles2370+237#1829#1592
14.95 Miles → 18 Miles173*4+169#1592#1423
18 Miles → 24 Miles305*5+300#1423#1123
24 Miles → Finish132*1+131#1123#992
TOTALS1888*67+1821

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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