James Lew

Bib: 18362MAge: 28

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M25-29)
#0 / 899
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
11:23/mi
20:37
→ flat
5.34M
11:04/mi
59:42
8074
6.15M
13:15/mi
1:10:26
1262.8%
10.54M
14:10/mi
2:12:39
2303610.6%
11.05M
19:11/mi
2:22:26
1726.4%
Finish· 13.11 mi
13:01/mi
2:49:15
971140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:10:26
Pace11:27 /mi
2nd Half
Distance6.96 mi
Time1:38:49
Pace14:12 /mi
📊Positive Split: 40.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:01:0720:3711:2320:37
11:23
-
5.34M
5.34 mi07:40:1259:4211:1139:05
11:04
-0:19
6.15M
6.15 mi07:50:561:10:2611:2710:44
13:15
+2:11
10.54M
10.54 mi08:53:092:12:3912:351:02:13
14:10
+0:55
11.05M
11.05 mi09:02:562:22:2612:539:47
19:11
+5:01
Finish
13.11 mi09:29:452:49:1512:5526:49
13:01
-6:10

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

11:04 /mi

Average Pace

12:55 /mi

Slowest Pace

19:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:42

35% of race

Time at Steady Pace

1:39:46

59% of race

Time at Slower Pace

9:47

6% of race

Average Pace: 12:55 /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...
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
1.81M
1.81 mi07:01:0720:3711:2320:37
11:23
#6121
5.34M
5.34 mi07:40:1259:4211:1139:05
11:04
#5451
6.15M
6.15 mi07:50:561:10:2611:2710:44
13:15
#5590
10.54M
10.54 mi08:53:092:12:3912:351:02:13
14:10
#6254
11.05M
11.05 mi09:02:562:22:2612:539:47
19:11
#6285
Finish
13.11 mi09:29:452:49:1512:5526:49
13:01
#6170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.81M1.81 mi1.81 mi612135878296121(Top 86%)3587(Top 90%)829(Top 92%)
5.34M5.34 mi3.53 mi5451+6703300+287777+525118(Top 72%)3147(Top 79%)749(Top 83%)
6.15M6.15 mi0.81 mi5590-1393371-71798-216184(Top 87%)3623(Top 91%)854(Top 95%)
10.54M10.54 mi4.39 mi6254-6643638-267852-546679(Top 94%)3794(Top 95%)877(Top 98%)
11.05M11.05 mi0.51 mi6285-313650-12853-16355(Top 90%)3666(Top 92%)859(Top 96%)
Finish13.11 mi2.06 mi6170+1153594+56843+105693(Top 80%)3286(Top 83%)764(Top 85%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 86%
~flat
+4ft-3ft

Overall

6121

Males

3587

M25-29

830

1.81M→5.34M

1.8 - 5.3 mi

Top 72%
×4story building
+80ft-74ft

Overall

5118

Males

3147

M25-29

750

5.34M→6.15M

5.3 - 6.2 mi

Top 87%
×10story building
+126ft-4ft

Overall

6184

Males

3623

M25-29

856

6.15M→10.54M

6.2 - 10.5 mi

Top 94%
×21story building
+230ft-361ft

Overall

6679

Males

3794

M25-29

878

10.54M→11.05M

10.5 - 11.1 mi

Top 90%
×14story building
+172ft-0ft

Overall

6355

Males

3666

M25-29

860

11.05M→Finish

11.1 - 13.1 mi

Top 80%
×7story building
+97ft-114ft

Overall

5693

Males

3286

M25-29

764

Passing Analysis

Category:
Athletes Passed
857*
Passed By
906
Net Change
-49
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#6121
1.81M5.34M695*25+670#6121#5451
5.34M6.15M10149-139#5451#5590
6.15M10.54M16*680-664#5590#6254
10.54M11.05M940-31#6254#6285
11.05MFinish127*12+115#6285#6170
TOTALS857*906-49

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events