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SF MARATHON 2ND HALF 2026

Jason Zhang

Millbrae, CA

Bib: 22813 M 29

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 23%
Gender (Male)
#0 / 2065
Top 32%
Division (M25-29)
#0 / 503
Top 34%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
2M
9:32/mi
19:04
↑ 138↓ 680.7%
122 ft elev
4M
8:32/mi
36:07
↑ 1631.4%
280 ft elev
6M
10:19/mi
56:46
↑ 55↓ 830.3%
247 ft elev
8M
6:18/mi
1:09:22
↑ 65↓ 1510.8%
143 ft elev
10M
8:47/mi
1:26:56
↑ 61↓ 1741.1%
25 ft elev
12M
9:03/mi
1:45:03
↑ 41↓ 530.1%
12 ft elev
Finish· 13.11 mi
8:43/mi
1:54:43
→ flat
11 ft elev
Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent

The Course

Half Splits

1st Half· via 6M
56:469:28 /mi⚡ faster
2nd Half
57:578:09 /mi+2.1%
Positive split — 2.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:55:1319:049:3219:04
9:32
-
4M
4.00 mi09:12:1636:079:0217:03
8:32
-1:00
6M
6.00 mi09:32:5556:469:2820:39
10:19
+1:47
8M
8.00 mi09:45:311:09:228:4012:36
6:18
-4:01
10M
10.00 mi10:03:051:26:568:4217:34
8:47
+2:29
12M
12.00 mi10:21:121:45:038:4518:07
9:03
+0:16
Finish
13.11 mi10:30:521:54:438:459:40
8:43
-0:20

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

6:18 /mi

Average Pace

8:45 /mi

Slowest Pace

10:19 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

12:36

11% of race

Time at Steady Pace

1:02:24

54% of race

Time at Slower Pace

39:43

35% 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.

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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 mi08:55:1319:049:3219:04
9:32
#1628
4M
4.00 mi09:12:1636:079:0217:03
8:32
#1439
6M
6.00 mi09:32:5556:469:2820:39
10:19
#1149
8M
8.00 mi09:45:311:09:228:4012:36
6:18
#1019
10M
10.00 mi10:03:051:26:568:4217:34
8:47
#964
12M
12.00 mi10:21:121:45:038:4518:07
9:03
#924
Finish
13.11 mi10:30:521:54:438:459:40
8:43
#898
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi16281114281775568151
4M4.00 mi2.00 mi1439+189998+116256+251245867227
6M6.00 mi2.00 mi1149+290808+190213+43766582156
8M8.00 mi2.00 mi1019+130732+76198+15654504137
10M10.00 mi2.00 mi964+55696+36186+12800597163
12M12.00 mi2.00 mi924+40671+25177+9775568151
Finish13.11 mi1.11 mi898+26656+15173+4781578155

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 20%
×9story building
+138ft-68ft

Overall

775

Males

568

M25-29

151

2M→4M

2.0 - 4.0 mi

Top 32%
×13story building
+163ft-19ft

Overall

1245

Males

867

M25-29

227

4M→6M

4.0 - 6.0 mi

Top 20%
×4story building
+55ft-83ft

Overall

766

Males

582

M25-29

156

6M→8M

6.0 - 8.0 mi

Top 17%
×10story building
+65ft-151ft

Overall

654

Males

504

M25-29

137

8M→10M

8.0 - 10.0 mi

Top 21%
×10story building
+61ft-174ft

Overall

800

Males

597

M25-29

163

10M→12M

10.0 - 12.0 mi

Top 20%
×3story building
+41ft-53ft

Overall

775

Males

568

M25-29

151

12M→Finish

12.0 - 13.1 mi

Top 20%
×1human
+6ft-6ft

Overall

781

Males

578

M25-29

155

Passing Analysis

Category:
Athletes Passed
769*
Passed By
39
Net Change
+730
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1628
2M → 4M20718+189#1628#1439
4M → 6M2911+290#1439#1149
6M → 8M1300+130#1149#1019
8M → 10M60*5+55#1019#964
10M → 12M488+40#964#924
12M → Finish337+26#924#898
TOTALS769*39+730

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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