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SF MARATHON 2023

Masatoshi Iwao

Bib: 7211•M•Age: 52

Irvine, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 4888
Top 27%
Gender (Male)
#0 / 3570
Top 32%
Masters (Masters Men)
#0 / 1128
Top 26%
Division (M50-54)
#0 / 237
Top 27%
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2.2 Miles
16:50
Rank: #1461
Start → 2.2 Miles
16:50 | 7:39/mi
5.7 Miles
49:41
Rank: #1526 (-65)
2.2 Miles → 5.7 Miles
32:51 | 9:23/mi
6.43 Miles
58:31
Rank: #1499 (+27)
5.7 Miles → 6.43 Miles
8:50 | 12:06/mi
10.92 Miles
1:35:57
Rank: #1410 (+89)
6.43 Miles → 10.92 Miles
37:26 | 8:20/mi
Garmin Hill Challenge· 11.42 mi
1:41:34
Rank: #1403 (+7)
10.92 Miles → Garmin Hill Challenge
5:37 | 11:14/mi
14.95 Miles
2:10:00
Rank: #1394 (+9)
Garmin Hill Challenge → 14.95 Miles
28:26 | 8:03/mi
18 Miles
2:40:42
Rank: #1378 (+16)
14.95 Miles → 18 Miles
30:42 | 10:04/mi
24 Miles
3:35:47
Rank: #1300 (+78)
18 Miles → 24 Miles
55:05 | 9:11/mi
Finish· 26.22 mi
3:57:37
Rank: #1338 (-38)
24 Miles → Finish
21:50 | 9:50/mi

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:45:3816:507:3916:50
7:39
-
5.7 Miles
5.70 mi06:18:2949:418:4332:51
9:23
+1:44
6.43 Miles
6.43 mi06:27:1958:319:068:50
12:06
+2:43
10.92 Miles
10.92 mi07:04:451:35:578:4737:26
8:20
-3:46
Garmin Hill Challenge
11.42 mi07:10:221:41:348:545:37
11:14
+2:54
14.95 Miles
14.95 mi07:38:482:10:008:4228:26
8:03
-3:11
18 Miles
18.00 mi08:09:302:40:428:5630:42
10:04
+2:01
24 Miles
24.00 mi09:04:353:35:478:5955:05
9:11
-0:53
Finish
26.22 mi09:26:253:57:379:0421:50
9:50
+0:39

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

7:39 /mi

Average Pace

9:04 /mi

Slowest Pace

12:06 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:42

35% of race

Time at Steady Pace

2:20:28

59% of race

Time at Slower Pace

14:27

6% of race

Average Pace: 9:04 /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 mi05:45:3816:507:3916:50
7:39
#1461
5.7 Miles
5.70 mi06:18:2949:418:4332:51
9:23
#1526
6.43 Miles
6.43 mi06:27:1958:319:068:50
12:06
#1499
10.92 Miles
10.92 mi07:04:451:35:578:4737:26
8:20
#1410
Garmin Hill Challenge
11.42 mi07:10:221:41:348:545:37
11:14
#1403
14.95 Miles
14.95 mi07:38:482:10:008:4228:26
8:03
#1394
18 Miles
18.00 mi08:09:302:40:428:5630:42
10:04
#1378
24 Miles
24.00 mi09:04:353:35:478:5955:05
9:11
#1300
Finish
26.22 mi09:26:253:57:379:0421:50
9:50
#1338
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2.2 Miles2.20 mi2.20 mi14611260671461(Top 30%)1260(Top 35%)67(Top 28%)
5.7 Miles5.70 mi3.50 mi1526-651316-5669-21584(Top 32%)1364(Top 38%)68(Top 29%)
6.43 Miles6.43 mi0.73 mi1499+271294+2268+11344(Top 27%)1178(Top 33%)54(Top 23%)
10.92 Miles10.92 mi4.49 mi1410+891225+6961+71334(Top 27%)1174(Top 33%)60(Top 25%)
Garmin Hill Challenge11.42 mi0.50 mi1403+71220+5611718(Top 35%)1487(Top 42%)65(Top 27%)
14.95 Miles14.95 mi3.53 mi1394+91214+6611409(Top 29%)1226(Top 34%)61(Top 26%)
18 Miles18.00 mi3.05 mi1378+161198+1664-31451(Top 30%)1253(Top 35%)62(Top 26%)
24 Miles24.00 mi6.00 mi1300+781120+7862+21244(Top 25%)1051(Top 29%)55(Top 23%)
Finish26.22 mi2.22 mi1338-381154-3464-21832(Top 37%)1456(Top 41%)83(Top 35%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 30%
×1human
+8ft-12ft

Overall

1461

Males

1260

M50-54

67

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 32%
×6stories
+92ft-87ft

Overall

1584

Males

1364

M50-54

68

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 27%
×11stories
+137ft-3ft

Overall

1344

Males

1178

M50-54

54

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 27%
×21stories
+225ft-318ft

Overall

1334

Males

1174

M50-54

60

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 35%
×11stories
+134ft-123ft

Overall

1718

Males

1487

M50-54

65

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 29%
×16stories
+234ft-225ft

Overall

1409

Males

1226

M50-54

61

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 30%
×12stories
+165ft-60ft

Overall

1451

Males

1253

M50-54

62

18 Miles→24 Miles

18.0 - 24.0 mi

Top 25%
×21stories
+142ft-377ft

Overall

1244

Males

1051

M50-54

55

24 Miles→Finish

24.0 - 26.2 mi

Top 37%
~flat
+2ft-2ft

Overall

1832

Males

1456

M50-54

83

Passing Analysis

Category:
Athletes Passed
513*
Passed By
390
Net Change
+123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#1461
2.2 Miles → 5.7 Miles66*131-65#1461#1526
5.7 Miles → 6.43 Miles4417+27#1526#1499
6.43 Miles → 10.92 Miles121*32+89#1499#1410
10.92 Miles → Garmin Hill Challenge2215+7#1410#1403
Garmin Hill Challenge → 14.95 Miles4536+9#1403#1394
14.95 Miles → 18 Miles63*47+16#1394#1378
18 Miles → 24 Miles131*53+78#1378#1300
24 Miles → Finish21*59-38#1300#1338
TOTALS513*390+123

* 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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