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SF MARATHON 2024

Mark Chalwin

Bib: 8414•M•Age: 50

Lafayette, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 5694
Top 43%
Gender (Male)
#0 / 4127
Top 48%
Masters (Masters Men)
#0 / 1221
Top 40%
Division (M50-54)
#0 / 219
Top 41%
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81M
15:23
Rank: #1398
Start → 1.81M
15:23 | 8:30/mi
6.52M
57:24
Rank: #1678 (-280)
1.81M → 6.52M
42:01 | 8:55/mi
10.89M
1:35:41
Rank: #1670 (+8)
6.52M → 10.89M
38:17 | 8:46/mi
Garmin Hill Challenge· 11.40 mi
1:41:24
Rank: #1710 (-40)
10.89M → Garmin Hill Challenge
5:43 | 11:12/mi
14.95M
2:10:56
Rank: #1764 (-54)
Garmin Hill Challenge → 14.95M
29:32 | 8:19/mi
18M
2:42:00
Rank: #1775 (-11)
14.95M → 18M
31:04 | 10:11/mi
24.69M
4:02:06
Rank: #2362 (-587)
18M → 24.69M
1:20:06 | 11:58/mi
Finish· 26.22 mi
4:19:38
Rank: #2456 (-94)
24.69M → Finish
17:32 | 11:28/mi

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi05:38:0215:238:3015:23
8:30
-
6.52M
6.52 mi06:20:0357:248:4842:01
8:55
+0:25
10.89M
10.89 mi06:58:201:35:418:4738:17
8:46
-0:09
Garmin Hill Challenge
11.40 mi07:04:031:41:248:545:43
11:12
+2:26
14.95M
14.95 mi07:33:352:10:568:4529:32
8:19
-2:53
18M
18.00 mi08:04:392:42:009:0031:04
10:11
+1:52
24.69M
24.69 mi09:24:454:02:069:481:20:06
11:58
+1:47
Finish
26.22 mi09:42:174:19:389:5517:32
11:28
-0:30

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

8:19 /mi

Average Pace

9:55 /mi

Slowest Pace

11:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:13

48% of race

Time at Steady Pace

31:04

12% of race

Time at Slower Pace

1:43:21

40% of race

Average Pace: 9:54 /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
1.81M
1.81 mi05:38:0215:238:3015:23
8:30
#1398
6.52M
6.52 mi06:20:0357:248:4842:01
8:55
#1678
10.89M
10.89 mi06:58:201:35:418:4738:17
8:46
#1670
Garmin Hill Challenge
11.40 mi07:04:031:41:248:545:43
11:12
#1710
14.95M
14.95 mi07:33:352:10:568:4529:32
8:19
#1764
18M
18.00 mi08:04:392:42:009:0031:04
10:11
#1775
24.69M
24.69 mi09:24:454:02:069:481:20:06
11:58
#2362
Finish
26.22 mi09:42:174:19:389:5517:32
11:28
#2456
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
1.81M1.81 mi1.81 mi13981231601398(Top 25%)1231(Top 30%)60(Top 27%)
6.52M6.52 mi4.71 mi1678-2801448-21768-81824(Top 32%)1560(Top 38%)72(Top 33%)
10.89M10.89 mi4.37 mi1670+81435+1365+31747(Top 31%)1494(Top 36%)67(Top 31%)
Garmin Hill Challenge11.40 mi0.51 mi1710-401465-30652290(Top 40%)1910(Top 46%)74(Top 34%)
14.95M14.95 mi3.55 mi1764-541511-4668-31979(Top 35%)1673(Top 41%)76(Top 35%)
18M18.00 mi3.05 mi1775-111515-471-31877(Top 33%)1585(Top 38%)73(Top 33%)
24.69M24.69 mi6.69 mi2362-5871921-40687-163639(Top 64%)2718(Top 66%)137(Top 63%)
Finish26.22 mi1.53 mi2456-941976-5589-24037(Top 71%)2980(Top 72%)147(Top 67%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 25%
×1human
+6ft-10ft

Overall

1398

Males

1231

M50-54

60

1.81M→6.52M

1.8 - 6.5 mi

Top 32%
×16stories
+275ft-93ft

Overall

1824

Males

1560

M50-54

72

6.52M→10.89M

6.5 - 10.9 mi

Top 31%
×20stories
+201ft-318ft

Overall

1747

Males

1494

M50-54

67

10.89M→Garmin Hill Challenge

10.9 - 11.4 mi

Top 40%
×11stories
+134ft-79ft

Overall

2290

Males

1910

M50-54

74

Garmin Hill Challenge→14.95M

11.4 - 14.9 mi

Top 35%
×17stories
+251ft-225ft

Overall

1979

Males

1673

M50-54

76

14.95M→18M

14.9 - 18.0 mi

Top 33%
×12stories
+165ft-60ft

Overall

1877

Males

1585

M50-54

73

18M→24.69M

18.0 - 24.7 mi

Top 64%
×22stories
+142ft-377ft

Overall

3639

Males

2718

M50-54

137

24.69M→Finish

24.7 - 26.2 mi

Top 71%
~flat
+2ft-2ft

Overall

4037

Males

2980

M50-54

147

Passing Analysis

Category:
Athletes Passed
268*
Passed By
1326
Net Change
-1058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#1398
1.81M → 6.52M52*332-280#1398#1678
6.52M → 10.89M7264+8#1678#1670
10.89M → Garmin Hill Challenge1353-40#1670#1710
Garmin Hill Challenge → 14.95M3488-54#1710#1764
14.95M → 18M7283-11#1764#1775
18M → 24.69M18*605-587#1775#2362
24.69M → Finish7*101-94#2362#2456
TOTALS268*1326-1058

* 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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