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SF MARATHON 2023

Alistair Blacklock

Bib: 2813•M•Age: 32

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 4888
Top 34%
Gender (Male)
#0 / 3570
Top 39%
Division (M30-34)
#0 / 692
Top 39%
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Course Elevation
4–285 ft
≈
×23story building
•▲ 1212 ft climb · ▼ 1211 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2.2 Miles
8:12/mi
18:03
↓ 12
5.7 Miles
10:09/mi
53:34
↑ 92↓ 87
6.43 Miles
13:21/mi
1:03:19
↑ 1373.5%
10.92 Miles
9:10/mi
1:44:30
↑ 225↓ 3180.4%
Garmin Hill Challenge· 11.42 mi
11:16/mi
1:50:08
↑ 134↓ 1230.4%
14.95 Miles
8:44/mi
2:20:56
↑ 234↓ 225
18 Miles
10:22/mi
2:52:34
↑ 165↓ 600.7%
24 Miles
9:00/mi
3:46:32
↑ 142↓ 3770.7%
Finish· 26.22 mi
9:18/mi
4:07:11
→ flat

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:40:3518:038:1218:03
8:12
-
5.7 Miles
5.70 mi06:16:0653:349:2435:31
10:09
+1:57
6.43 Miles
6.43 mi06:25:511:03:199:519:45
13:21
+3:12
10.92 Miles
10.92 mi07:07:021:44:309:3441:11
9:10
-4:11
Garmin Hill Challenge
11.42 mi07:12:401:50:089:395:38
11:16
+2:06
14.95 Miles
14.95 mi07:43:282:20:569:2630:48
8:44
-2:32
18 Miles
18.00 mi08:15:062:52:349:3531:38
10:22
+1:38
24 Miles
24.00 mi09:09:043:46:329:2653:58
9:00
-1:22
Finish
26.22 mi09:29:434:07:119:2620:39
9:18
+0:18

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

8:12 /mi

Average Pace

9:26 /mi

Slowest Pace

13:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:03

7% of race

Time at Steady Pace

2:26:36

59% of race

Time at Slower Pace

1:22:32

33% of race

Average Pace: 9:26 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
2.2 Miles
2.20 mi05:40:3518:038:1218:03
8:12
#2276
5.7 Miles
5.70 mi06:16:0653:349:2435:31
10:09
#2379
6.43 Miles
6.43 mi06:25:511:03:199:519:45
13:21
#2379
10.92 Miles
10.92 mi07:07:021:44:309:3441:11
9:10
#2350
Garmin Hill Challenge
11.42 mi07:12:401:50:089:395:38
11:16
#2296
14.95 Miles
14.95 mi07:43:282:20:569:2630:48
8:44
#2266
18 Miles
18.00 mi08:15:062:52:349:3531:38
10:22
#2095
24 Miles
24.00 mi09:09:043:46:329:2653:58
9:00
#1750
Finish
26.22 mi09:29:434:07:119:2620:39
9:18
#1670
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2.2 Miles2.20 mi2.20 mi227618773592276(Top 47%)1877(Top 53%)359(Top 52%)
5.7 Miles5.70 mi3.50 mi2379-1031972-95372-132425(Top 50%)2005(Top 56%)374(Top 54%)
6.43 Miles6.43 mi0.73 mi23791977-5376-42444(Top 50%)2024(Top 57%)386(Top 56%)
10.92 Miles10.92 mi4.49 mi2350+291960+17371+52363(Top 48%)1971(Top 55%)379(Top 55%)
Garmin Hill Challenge11.42 mi0.50 mi2296+541920+40362+91749(Top 36%)1510(Top 42%)296(Top 43%)
14.95 Miles14.95 mi3.53 mi2266+301900+20356+62227(Top 46%)1844(Top 52%)347(Top 50%)
18 Miles18.00 mi3.05 mi2095+1711760+140334+221696(Top 35%)1435(Top 40%)272(Top 39%)
24 Miles24.00 mi6.00 mi1750+3451469+291280+541100(Top 23%)942(Top 26%)188(Top 27%)
Finish26.22 mi2.22 mi1670+801400+69269+111386(Top 28%)1143(Top 32%)224(Top 32%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 47%
×1human
+8ft-12ft

Overall

2276

Males

1877

M30-34

363

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 50%
×6story building
+92ft-87ft

Overall

2425

Males

2005

M30-34

380

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 50%
×11story building
+137ft-3ft

Overall

2444

Males

2024

M30-34

392

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 48%
×21story building
+225ft-318ft

Overall

2363

Males

1971

M30-34

385

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 36%
×11story building
+134ft-123ft

Overall

1749

Males

1510

M30-34

300

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 46%
×16story building
+234ft-225ft

Overall

2227

Males

1844

M30-34

353

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 35%
×12story building
+165ft-60ft

Overall

1696

Males

1435

M30-34

273

18 Miles→24 Miles

18.0 - 24.0 mi

Top 23%
×21story building
+142ft-377ft

Overall

1100

Males

942

M30-34

188

24 Miles→Finish

24.0 - 26.2 mi

Top 28%
~flat
+2ft-2ft

Overall

1386

Males

1143

M30-34

224

Passing Analysis

Category:
Athletes Passed
925*
Passed By
319
Net Change
+606
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#2276
2.2 Miles → 5.7 Miles84*187-103#2276#2379
5.7 Miles → 6.43 Miles26260#2379#2379
6.43 Miles → 10.92 Miles86*57+29#2379#2350
10.92 Miles → Garmin Hill Challenge551+54#2350#2296
Garmin Hill Challenge → 14.95 Miles6030+30#2296#2266
14.95 Miles → 18 Miles177*6+171#2266#2095
18 Miles → 24 Miles351*6+345#2095#1750
24 Miles → Finish86*6+80#1750#1670
TOTALS925*319+606

* 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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