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SF MARATHON 2ND HALF 2026

Isaac Kwan

Bib: 22574•M•Age: 43

Burlingame, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Top 23%
Gender (Male)
#0 / 2065
Top 32%
Masters (Masters Men)
#0 / 555
Top 26%
Division (M40-44)
#0 / 200
Top 28%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
8:41/mi
17:23
↑ 138↓ 680.7%
4M
8:00/mi
33:23
↑ 1631.4%
6M
10:25/mi
54:13
↑ 55↓ 830.3%
8M
6:31/mi
1:07:15
↑ 65↓ 1510.8%
10M
8:44/mi
1:24:43
↑ 61↓ 1741.1%
12M
9:43/mi
1:44:09
↑ 41↓ 530.1%
Finish· 13.11 mi
9:27/mi
1:54:38
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time54:13
Pace9:02 /mi
2nd Half
Distance7.11 mi
Time1:00:25
Pace8:30 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:49:3317:238:4117:23
8:41
-
4M
4.00 mi09:05:3333:238:2116:00
8:00
-0:41
6M
6.00 mi09:26:2354:139:0220:50
10:25
+2:25
8M
8.00 mi09:39:251:07:158:2413:02
6:31
-3:54
10M
10.00 mi09:56:531:24:438:2817:28
8:44
+2:13
12M
12.00 mi10:16:191:44:098:4119:26
9:43
+0:59
Finish
13.11 mi10:26:481:54:388:4510:29
9:27
-0:16

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

6:31 /mi

Average Pace

8:45 /mi

Slowest Pace

10:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:02

25% of race

Time at Steady Pace

34:51

30% of race

Time at Slower Pace

50:45

44% of race

Average Pace: 8:45 /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
2M
2.00 mi08:49:3317:238:4117:23
8:41
#946
4M
4.00 mi09:05:3333:238:2116:00
8:00
#871
6M
6.00 mi09:26:2354:139:0220:50
10:25
#839
8M
8.00 mi09:39:251:07:158:2413:02
6:31
#835
10M
10.00 mi09:56:531:24:438:2817:28
8:44
#818
12M
12.00 mi10:16:191:44:098:4119:26
9:43
#863
Finish
13.11 mi10:26:481:54:388:4510:29
9:27
#891
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi946694631174(Top 31%)811(Top 39%)68(Top 34%)
4M4.00 mi2.00 mi871+75644+5057+6828(Top 22%)613(Top 30%)51(Top 26%)
6M6.00 mi2.00 mi839+32625+1954+3827(Top 22%)626(Top 30%)53(Top 27%)
8M8.00 mi2.00 mi835+4622+352+2846(Top 22%)628(Top 30%)52(Top 26%)
10M10.00 mi2.00 mi818+17612+1052771(Top 20%)581(Top 28%)43(Top 22%)
12M12.00 mi2.00 mi863-45636-24521174(Top 31%)811(Top 39%)68(Top 34%)
Finish13.11 mi1.11 mi891-28653-1757-51251(Top 33%)854(Top 41%)72(Top 36%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 31%
×9story building
+138ft-68ft

Overall

1174

Males

811

M40-44

68

2M→4M

2.0 - 4.0 mi

Top 22%
×13story building
+163ft-19ft

Overall

828

Males

613

M40-44

51

4M→6M

4.0 - 6.0 mi

Top 22%
×4story building
+55ft-83ft

Overall

827

Males

626

M40-44

54

6M→8M

6.0 - 8.0 mi

Top 22%
×10story building
+65ft-151ft

Overall

846

Males

628

M40-44

52

8M→10M

8.0 - 10.0 mi

Top 20%
×10story building
+61ft-174ft

Overall

771

Males

581

M40-44

43

10M→12M

10.0 - 12.0 mi

Top 31%
×3story building
+41ft-53ft

Overall

1174

Males

811

M40-44

68

12M→Finish

12.0 - 13.1 mi

Top 33%
×1human
+6ft-6ft

Overall

1251

Males

854

M40-44

72

Passing Analysis

Category:
Athletes Passed
216*
Passed By
161
Net Change
+55
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#946
2M → 4M9823+75#946#871
4M → 6M4513+32#871#839
6M → 8M2117+4#839#835
8M → 10M36*19+17#835#818
10M → 12M752-45#818#863
12M → Finish937-28#863#891
TOTALS216*161+55

* 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